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VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

Results in this title

J. Tavčar, J. Kos, D. Zorko, J. Duhovnik A multi-criteria polymer gears design optimisation procedure S. 1473-1484

„… A Multi-criteria Polymer Gears Design Optimisation Procedure J. Tavčar, PhD, J. Kos, D …” „… ., “Accelerated test and design procedure for polymer gears” Materials and Design, Vol. 65 (2015), pp. 961-973 …” „… for the calculation of polymer gears. In most cases, polymer gear designers do not have a complete …”

F. Cura ISO Standard based method for determining a global in-operation dynamic factor KAV in gears subjected to variable velocity and loading conditions S. 689-700

„… . Introduction Classical design procedures to predict the load capacity of spur and helical gear drives compare …” „… , Torino, Italy Abstract The present paper aims to complete a previously developed procedure, already …” „… same procedure may be easily applied also to the pitting resistance. In this work a practical case is …”

M. Uhlig, C. Pastor Simulation tool-chain for plastic gear design S. 1453-1460

„… Simulation tool-chain for plastic gear design Dipl.-Ing. Martin Uhlig, Robert Bosch GmbH …” „… highly integrated and optimized. Advanced simulation tools allow appropriate design to meet the …” „… concept determines durability of plastic gears. This method is also valid for uncommon designs. Tribology …”

A. Pogačnik, U. Kissling Layout of profile modifications for symmetric and asymmetric plastic gears S. 1461-1472

„… . [2] Pogačnik, A., Tavčar J.: An accelerated multilevel test and design procedure for polymer gears …” „… is not the main design criteria anymore. NVH (noise-vibrations-harshness) is becoming very important …” „… , helix angle, reference profile, profile shift, …) and with appropriate microgeometry design (profile …”

A. Miltenović, M. Banić, V. Miltenović Prediction of heat generation of crossed axis gearbox S. 583-594

„… stability. Procedure, that is shown in this paper, gives opportunity to gearbox designers to use fast FEM …” „… in contact zone. Special problem of gearboxes thermal design is that higher viscosity leads to …” „… problematic. Standard for worm drives DIN 3996 gives procedure for calculation of oil temperature in the …”

D. Marino, H. Binz, M. Bachmann Analytical design method for beveloid gears with a small shaft angle and offset S. 391-402

„… modification unequal to zero in the design face. He also showed two procedures that can be used to realize a …” „… preliminary design of the gearing. To perform these procedures, both cone angles, one helix angle and at …” „… Analytical Design Method for Beveloid Gears with a Small Shaft Angle and Offset Daniel Marino …”

J. Fechler, S. Oberle, M. Knopfle, V. Merz Improvement of the noise and vibration behavior of an electromechanical brake booster – An integral approach S. 1431-1442

„… short explanation of the mechanical and functional system setup it follows the approach and procedure …” „… . Definition of measurement setup and analysis procedure 4. Measurement, analysis and conclusion Fig. 3 …” „… directly linked to the mechanical setup and design of the system. The interaction between these …”

K. Daubach, Manuel Oehler, Bernd Sauer A method to determine local wear of worm gears with highly resolved circumferential backlash curves S. 595-606

„… widely used in transmission applications, since they allow gear drives with a compact design, high gear …” „… . Experimental setup and procedure The focus of the experimental investigations is the early stage of wear …” „… testing procedure for each worm gear is structured in two sub-procedures. In the load test the worm gear …”

G. Vasileiou, N. Rogkas, V. Spitas, P. Zalimidis Optimisation of spur gear tooth fillet for maximum bending strength using Bezier curves S. 149-160

„… design criterion leading introducing many different gear modifications such us the use of asymmetric …” „… root area or to the involute part. According to the proposed procedure, the non-meshing tooth profile …” „… . Introduction Nowadays, the increased power demands in industrial transmission systems, require the design and …”

C. Boehme, D. Vill, P. Tenberge Extension of the application limits for crossed helical gearboxes by new geometries for smaller sliding paths or smaller contact pressures S. 1299-1310

„… more efficient. By selecting design parameters, for example the axis crossing angle or the helix angle …” „… calculations For exemplary calculations, the procedures according to VDI 2736 are applied for the crossed …” „… gear wheel 2 are analysed according to the presented calculation procedure. The gear pair has an axis …”

A. Mihailidis, A. Psarros FEM analysis of the load distribution over the face width of helical gear pairs considering deviations, misalignments and deformations S. 193-202

„… . of Machine Elements and Machine Design, Aristotle University of Thessaloniki, Greece Abstract …” „… ) are used. Surfaces inside them are meshed with different mesh parameters. The meshing procedure is …” „… applied using boxes containing the geometry which will be modified. However, a special procedure called …”

B. H. Kien, D. Iba, Y. Ishii, Y. Tsutsui, N. Miura, T. Iizuka, A. Masuda, A. Sone, I. Moriwaki Vibration-based plastic gear crack detection system using a pre-learned convolutional neural network S. 1443-1452

„… epoch and 45 minutes for the whole training procedure on an i7 6700 processor at 3.4 GHz with 16 GB …” „… procedure is considerable. Additionally, there is a big deviation in the result after around 60 epochs …” „… . VDI-Berichte Nr. 2355, 2019 1451 9. References [1] Robert L. Mort: Machine elements in mechanical design …”

H.-W. Raedt, T. Wurm, A. Busse Lightweight forging initiative III: transmission lightweighting potential based on design and material concepts in a split-axle hybrid vehicle and a heavy-duty truck S. 1777-1786

„… Lightweight Forging Initiative III: Transmission Lightweighting Potential Based on Design and …” „… heavy-duty truck were analyzed. 1. Vehicles and Procedure of The Lightweight Forging Initiative …” „… of around 20 different high-strength steels which allow weight-reduced, leaner part design. These …”

S. Yokoyama A study of gear oil performances contributing to wind turbine lifetime extensions S. 845-856

„… gearbox designers, it is considered that too high scuffing property of the lubricant could make negative …” „… that a load is often applied to gears with rough surface. Even though the standard design for wind …” „… 61400-4 Edition 1.0: Wind turbines-Part4: Design requirements for wind turbine gearboxes, December 2012 …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… highlighting the need of new tools and methodologies to optimize the internal design, avoiding thermal …” „… designs rely on planetary, harmonic and cycloidal architectures. Although, thanks to many years of …” „… not anymore working properly. In addition, the design of harmonic drives is strongly limited by the …”

R. Weidig, H. J. Weimar Powertrain NVH improvement with high-performance polymer gears S. 1421-1430

„… and fluids respectively potential creep, polymer gears can offer many cost, design, processing and …” „… single-step thermoplastic injection moulding process offers more design freedom enabling more efficient gear …” „… , the design approach should not be to copy the incumbent metal gear geometry. Polymer gears usually …”

C. Brecher, C. Lopenhaus, F. Goergen Transfer of the tooth flank stress into an analogy test concept to provoke the damage pattern tooth flank fracture (TFF) S. 25-36

„… in the POI. The procedure of the method is shown in Fig. 4. Fig. 4: Method for optimizing the …” „… actuator (actuator 1, HERTZIAN contact). The procedure for optimizing the pulsator load of the secondary …” „… components can be displayed with a maximum deviation |∆σ,τ| ≤ 39 MPa. Future work will focus on the design …”

M. Chapron, Q. Theurillat-Bonjour Tooth contact analysis of non-circular gears with non-involute tooth profiles: Application to horological spur gears S. 925-936

„… in a parabolic manner, showing that the non-circular primitive curves have not been properly design …” „… . Improved gear design As previously shown, the primitive curves used in the example do not lead to a …” „… : Comparison of the gear design: (a) original, (b) improved and (c) zoom on first teeth The transmitted …”

P. Barreiro, J. Hoffmeister, J. Hermes, A. Bronner New improvement opportunities through applying topology optimization combined with 3D printing to the construction of gearbox housings S. 1823-1834

„… technologies regarding the design of gearbox housings. As a result of this investigation, a topology optimized …” „… topology optimization consisted on the determination and design of the primary load-bearing structure of …” „… the housing. Therefore, an iterative design process was needed in order to develop the final support …”

A. L. Kapelevich, Y. V. Shekhtman Optimization of asymmetric tooth root generated with protuberance hob S. 403-414

„… Gear Design [1] method optimizes various parameters and elements of gear tooth geometry to achieve the …” „… . 2. The Direct Gear Design method applied to asymmetric gears [2] defines the final (after grinding …” „… , developed by Dr. Y.V. Shekhtman, uses three major procedures: defining functions to approximate the fillet …”

K. Takaki, M. Sugimoto Optimization of hypoid gear macro/micro geometries for high efficiency drives, taking into consideration NVH and strength S. 367-378

„… of predicting hypoid gear meshing efficiency with high accuracy was previously proposed to design …” „… , 2019368 3.1 Calculation of mesh friction loss Figure 3 is a flowchart of the procedure for calculating …” „… document [1] Wells Coleman, “Computing Efficiency for Bevel and Hypoid Gears”, Machine Design, August 21 …”

L. Ryali, D. Talbot A gear load distribution model for planetary gear set with a flexible carrier S. 809-822

„… reinforce the need for such models while analyzing heavily optimized planetary gear designs from industry …” „… , preventing them from becoming design tools. The majority of analytical studies on planetary gears take the …” „… modified simplex algorithm is employed to solve this elastic contact problem [20-21]. This procedure is …”

B. Gierl, D. Drummer spur gears S. 1367-1378

„… design in design guides like VDI 2736 [3]. The treatment of friction and wear problems is from great …” „… , it is important for a successful design process to look at all possibilities for improving the …” „… common design approach with regard to VDI 2736 [3] is used. The related improvements in operating …”

F. Lubos, Z. Roth Bionic tooth root: fatigue testing and potential on gear units S. 47-56

„… gearwheel design. As a result, a new bionic gear root fillet contour consisting of a tangent function …” „… influenced by the external load but largely by the design of cross-section modifications and transitions …” „… notches. This method is published in his book “Verborgene Gestaltgesetze der Natur” (Secret Design Rules …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… shifted on gear design in electric drives [5]. In order to achieve the aim of improved power density, it …” „… occurred in the deep rolled specimens, were not examined in detail [17]. 3. Basic idea and tool design …” „… design and the predicted mode of action of the developed tool. Individual rollers arranged one behind …”

I. Bae, U. Kissling Comparison of strength ratings of plastic gears by VDI 2736 and JIS B 1759 – In vision of building a new international standard S. 1267-1278

„… difficult for engineers to exchange knowledge on design and production which are often done on a global …” „… in terms of weight, noise, vibration, lubrication, and in design and production when it is injection …” „… rating considering the special material properties of the plastics is necessary for the reliable design …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… gears design optimisation procedure 1473 J …” „… VDI-Berichte 2355 VDI-Society for Product and Process Design International Conference on Gears …” „… Machine Elements and Machine Design, Dresden FEM analysis of the load distribution over the face width of …”

K. Matsuo, Y. Suzuki, I. Moriwaki Simulation of tooth flank profile in the gear honing process S. 1707-1724

„… quantitatively. The second one is that the effect on the workpiece tooth flank profile of the tool design …” „… in order to be applicable to complex tooth flank profiles. The following procedure is used to …” „… performed with the foregoing procedure, assuming the gear specifications of a secondary reduction gear of a …”

V. I. Goldfarb, E. S. Trubachev, K. V. Bogdanov, T. A. Pushkareva Prospects of manufacturing spiroid gears with small gear ratios S. 1665-1674

„… localized contact. This approach became an integral part of design and series production of spiroid …” „… each next root between threads – by the example of this procedure for bevel gearwheel tooth machining …” „… small gear ratios. Many interesting and important issues of design and production of such gears remained …”

F. Eigner, R. Michel, M. Berger Analysis on the efficiency of HypoGear S. 127-136

„… gearing law. This procedure is suitable for both gearing stages, whereby the smaller gear is specified by …” „… overall efficiency. Due to the design of the HypoGear, the axial forces in the intermediate shaft sum up …” „… the design are physical and optical accessibility as well as the possibility to adjust the position …”

D. Kurten, A. Kailer Hydrogen embrittlement of oil lubricated contacts S. 681-688

„… samples were degreased with acetone and n-hexane. A detailed description of the measurement procedure can …” „… X-ray tomography," Materials and Design, no. 117, pp. 417-429, 2017. [2] A. Ruellan, F. Ville, X …”

T. Sturmlinger, A. Comak, A. Albers, S. Gerdhenrichs, R. H. Schmitt Methodical analysis and selection of auto identification systems in the gear box manufacturing S. 1509-1520

„… to identify and evaluate interdependencies between the design of the current product generation and …” „… technological feasibility in a structured procedure. With the application of this method, the engineer is …” „… of the gear with an Auto-ID system is a product development process in the context of “Design for …”

F. Siglmuller, U. Weinberger, J. Gotz, M. Sedlmair, T. Lohner, K. Stahl Scaling of planetary gear stages according to gear loss similarity S. 115-126

„… design with regard to power loss and efficiency behavior, gear excitation parameters and load carrying …” „… considered planetary gear stage test rig applies the following design boundaries to the investigated …” „… above. Thereby, a manual or automated iterative procedure can be set up. It is stopped, when the …”

M. Geitner, T. Tobie, K. Stahl, B. Zornek Investigations on the pitting load capacity of internal spur and helical gears S. 301-314

„… Abstract Planetary gear boxes are suitable for numerous applications due to their compact design and …” „… (schematically) [10] VDI-Berichte Nr. 2355, 2019 307 The test gears of one design were made of the same …” „… - FZG test procedures - Part 1: FZG test method A/8,3/90 for relative scuffing load-carrying capacity …”

B. van Wissen, M. Kanters, F. Mitsuzuka, K. Iwanaga, Ir. A. Hasanovic Predicting wear for high performance plastic gears S. 1323-1334

„… design. Another option is to use data gathered via simplified tests and test specimens, such as a …” „… impractical procedure. Future work will focus on closing the gap between experimental wear factors and …” „… apparent wear factors with possibly other calculation methods using dedicated gear design software. 7 …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… ]. Worm gears offer advantages in terms of smoothness and compactness of the design. Another positive …” „… physical feature of the surface. The following presents a procedure that meets these requirements. 3 …” „… possible due to the design. Figure 9 shows the measurement setup of the scattered light system, which …”

H. Wang, X. Wen, C. Zhou, Z. Liu Wear prediction for double helical gears grinded by forming method S. 315-330

„… , State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha …” „… , PR China; Changjiang Zhou, State Key Laboratory of Advanced Design and Manufacturing for Vehicle …” „… modified Archard’s wear formula, and a numerical procedure is developed to calculate the wear depth. Then …”

M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… ) dedicated to experimental aspects like the calibration procedure, repeatability issues, separation of WPL …” „… , ASME J Mech Design, pp. 903-908. 6. On the influence of helix angle on gear windage losses. Voeltzel …”

J. Hoffmeister, J. Hermes Optimized tooth root strength by controlled shot peening S. 137-148

„… therefore actually be examined. However, the quality control procedure does not prove to be effective in …” „… root is also relevant for gear design process this condition also was investigated and the nominal …”

W. Wagner, S. Schumann, B. Schlecht Co-simulation of the tooth contact of bevel gears within a multibody simulation S. 217-228

„… Machine Design, Dresden University of Technology Abstract To calculate the load capacity of gear …” „… resulting contact forces. Fig. 1 presents a flowchart of the general procedure. 2.1 Computation of the …”

M. Solf, C. Lopenhaus, T. Bergs Influence of elastic effects on the grinding force in plunging bevel gear grinding S. 1687-1696

„… plays an important role in the knowledge-based process design. Previous investigations showed that the …” „… grinding wheel pass and an increase in the force required for machining. 3. Objective and procedure …”

C. Liu, W. Shi, F. Maria Cura, A. Mura Prediction of transmission accuracy lifetime of RV gearbox S. 425-436

„… Mechanical and Aerospace Engineering, Politecnico di Torino, Torino Italy Abstract A procedure to …” „… MEs of each tooth are considered equal. In fact, only the range of MEs is determined in the design …”

B. Azzam, F. Harzendorf, R. Schelenz, G. Jacobs, W. Holweger White etching crack bearing failure: identification of high risk lubricant compounds using artificial neural networks S. 569-582

„… to classify the risk level of the oil following a procedure outlined in section 2.2. The …” „… neural network, some design parameters, so called hyper parameters, need to be decided by the …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - International Conference on Gears 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

M. F. Stangl, U. Kissling, A. Pogacnik A procedure to find best fitting dresser with grinding worm for a new design S. 1307-1318

„… A procedure to find best fitting dresser with grinding worm for a new design Dr. Michael Franz …” „… and length is determined with established design methods like contact analysis. The procedure for the …” „… behavior but also the strength properties (scuffing, etc.). From design side, the optimal tip relief value …”

A. Pogacnik, S. Beermann Measuring permissible root/flank stress of plastic gears according to the VDI 2736-4 S. 1541-1552

„… J.: An accelerated multilevel test and design procedure for polymer gears, Materials and Design …” „… . Unfortunately for gear designers, “gear data” (SN curves) are rarely measured for new materials. If decision …” „… used at the end. This paper provides an overview of the testing procedure for plastic gear according …”

S. Stoyanov, V. Dobrev, A. Dobreva Investigating dynamic behavior of planetary gear trains through the systematic approach S. 197-208

„… procedure for evaluation and comparative analysis of different design solution for a certain problem …” „… within the first stage of the procedure for analysis and assessment of design solutions, which are …” „… authors’ team enriches and makes more precise the procedures for multivariate design, for analysis and …”

C. Peng, C. Li, B. Chen Development of a test rig for transmission performances of precision planetary reducer S. 1127-1132

„… design guide-rule were versatility, accuracy and shorter testing time. 2. Measurement principle The …” „… design To measurement the torsional characteristics of precision planetary driver, a test rig, shown in …” „… interface 4.Test procedure The installation procedure of a testing reducer (RV-110E-111, produced …”

I. Atanasovska, H. Abderazek Comparative analysis of few new procedures for spur gears tooth profile optimization with different methods and aspects S. 1169-1176

„… Comparative Analysis of few new Procedures for Spur Gears Tooth Profile Optimization with …” „… behavior of gear pairs. Thus, the developing of new optimization procedures and methods for selection of …” „… ' original procedures for selection of optimal tooth profile parameters are explain. All of them are …”

M. McCormick, J. Michaud Isotropic superfinishing of high hardness steels – How using a custom REM ISF® process as a quality control, defect remediation, and isotropic superfinishing procedure can increase the performance of... S. 163-172

„… control, defect remediation, and isotropic superfinishing procedure can increase the performance of …” „… enhanced computational modeling of alloy design and performance. Companies such as Sentient Science and …” „… , toughness, and temper VDI-Berichte Nr. 2294, 2017 163 resistant alloys for next generation gear designs …”

U. Kissling, M. Stangl The documentation of gearbox reliability – an upcoming demand S. 1051-1062

„… deduce if a drive train is save? Although these individual procedures for the design of a single …” „… standard for wind turbines is considering to add a chapter about ‘design for reliability’. Still …” „… redundancy? Thus, the system reliability can be determined with the components reliabilities. 1 Design …”

E. Tanaka, H.-C. Lin Gear diagnostic system using zonal laser beam for practical use S. 845-856

„… measurement procedure. Furthermore, to predict the damaged position not only tooth height direction but also …” „… compared by the measurement procedure. At first, the damage (diameter: 1.35[mm], position: 1.95[mm] from …” „… dimensionally from the error and deviation of measured data. the measurement procedure can be explained as …”

T. Schöler, H. Binz, M. Bachmann Method for the pre-dimensioning of beveloid gears – Efficient design of main gearing data S. 565-578

„… Method for the Pre-dimensioning of Beveloid Gears Efficient design of main gearing data …” „… Engineering Design and Industrial Design (IKTD), University of Stuttgart Abstract Conical involute …” „… . Compared with both cylindrical and bevel gears, there is less knowledge available concerning the design of …”

M. Hein, T. Tobie, K. Stahl Test method for time-scaled fatigue tests of gear transmission systems S. 1073-1084

„… factor 5 to 20 is possible depending on the original load spectrum and transmission design. 2 …” „… the service strength of the gearbox components. Tests with the design VDI-Berichte Nr. 2294, 2017 …” „… can be evaluated. The essential part of the procedure model is the truncation of the given load …”

A. Mihailidis, G. Korbetis, N. Drivakos, I. Nerantzis Finite element method based analysis of planetary gear systems considering backlash and manufacturing deviations S. 75-82

„… manufacturing deviations Prof. Dr. Eng. A. Mihailidis, Lab. of Machine Elements and Machine Design …” „… strongly on design, material and operation conditions. Modern analysis methods, such as the Finite Element …” „… . In this paper, new techniques and tools are introduced aiming to facilitate the modelling procedure …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… I- B er ic ht e 22 94 .1VDI-Society for Product and Process Design VDI-Berichte 2294.1 VDI-Society …” „… for Product and Process Design International Conference on Gears 2017 International Conference on …” „… (TUM), Garching (near Munich), Germany VDI-Society for Product and Process Design © VDI Verlag GmbH …”

J. Fechler, M. Böhm, S. Aberle, V. Merz A contribution to the NVH behavior of plastic gears in automotive applications S. 1531-1540

„… and setup a calculation procedure to minimize the TE to find a low noise gear design. A static finite …” „… tools and procedures to design and manufacture low noise gear wheels and actuators. The design …” „… drive train, autonomous driving and lightweight design are some of the main drivers within the actual …”

C. Gorla, E. Conrado, F. Rosa, F. Concli Austempered Ductile Iron (ADI) for gears: manufacturing, performances and tests S. 977-988

„… . The paper describes the adopted test procedures and the test results obtained on gear specimens by …” „… represents an obstacle for the design of gears made of ADI. In order to obtain a reliable estimation of the …” „… irons of different grades, which could be used for design in combination with the curves for YNT and …”

D. Iba, S. Futagawa, T. Kamimoto, M. Nakamura, N. Miura, T. Iizuka, A. Masuda, A. Sone, I. Moriwaki Print of crack detection sensor for spur gears by laser sintering of conductive ink S. 869-880

„… Table 3. In addition, we design a crack detection sensor along the line of normal profile of the gears …” „… detection sensor for spur gears. VDI-Berichte Nr. 2294, 2017872 5. Manufacturing procedure of polyimide …” „… the procedure of polyimide layer’s manufacturing. Firstly, polyimide liquid is splayed on the print …”

D. Strasser, S. Troll, R. Sperlich, J. Münch Reliability safeguarding for an 8 MW wind energy gearbox in serial production – Prototype and process development ensuring stable quality at the highest level S. 1085-1100

„… . Project & Design Characteristics In 2010 ZF (formerly Bosch Rexroth) started the development of the 8 MW …” „… gearbox. In 2013 ZF delivered the first prototype. The gearbox design was validated within a huge …” „… more than 10 gate reviews and design reviews according to the customer’s development process and …”

B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… directions and wind intensity and realize a stable rotational speed at the generator. Other design …” „… advantages are the coaxial arrangement of input and output and a symmetrical design. A software [2] has …” „… stress concentration under load. The disadvantage of these procedures is high computing times or …”

M. Oehler, B. Magyar, B. Sauer A new standardizable calculation method to predict the efficiency of worm gear drives S. 363-372

„… parameter field for this study was created with design of experiments (DoE) to take into account a wide …” „… design efficient drive solutions, various transmission types and design variants must be comparable with …” „… each other in terms of the expected operating efficiency during the design phase. The approximation …”

M. Kalin, A. Kupec Wear and Fatigue Behaviour of Polymer Gears under Controlled Temperature Conditions S. 1637-1648

„… ., Tavčar, J.: An Accelerated Multilevel Test and Design Procedure for Polymer Gears. Materials & Design …” „… Mechanical Engineering, University of Ljubljana, Slovenia Abstract The testing procedures and reported …” „… pixels. Based on the measurements and calibration procedure, the emissivity of the driven test gear was …”

B. Černe, D. Zorko, J. Duhovnik Semi-analytical method for the prediction of the flank temperatures of polymer gears during running S. 1611-1624

„… speed data obtained from the analysis it is then possible to develop a semi-analytical procedure for …” „… temperature state. Using the developed procedure a test involute gear geometry will be investigated, for …” „… procedure. The main parameters for the analysed geometry are shown in Table 1. Table 1: Main gear …”

J. Papies Load distribution in planetary gears considering effects of manufacturing tolerances with a statistical approach S. 783-794

„… – which have to be avoided within the design process. In the case of prototypes and small series this …” „… RIKOR in the daily design process. In the past good results when compared to experimental tests has been …” „… integral part of simulation routines. This leads to the Design of Experiments (DoE) [2,3] technique to …”

T. Utakapan, B. Kohn, M. Fromberger, M. Otto, K. Stahl Evaluation of gear noise behaviour with application force level S. 695-706

„… application force level was intentionally developed for the gear design, it can also be applied to other …” „… procedure throughout the whole development stages. Proper natural frequencies and excitation frequencies of …” „… gearboxes are the result of considerate design of gear macro geometries, for example number of stages …”

N. Sagraloff, M. Hein, T. Tobie, K. Stahl Practical use of micropitting test results according to FVA 54/7 for calculation of micropitting load capacity acc. to ISO/TR 15144-1 S. 143-152

„… [1]. 2. Test procedure for the investigation of the micropitting capacity of gear lubricants …” „… according to FVA 54/7 FVA-Information Sheet 54/7 [16] describes a test procedure to evaluate the …” „… gear drive for example acc. to ISO/TR15144-1 [2]. The test procedure described in FVA-Information …”

G. Eitzinger Adaptive coatings on gears for NVH improvement S. 1439-1450

„… clearance value and the next thicker shim is selected. The assembly procedure starts again and the …” „… design in a Copper alloy system is starting from CuSn10 followed by CuSn6 and as top layer is a CuSn3 …” „… . Also materials which wouldn’t be possible to mix it together in a casting procedure. The reason for …”

P. Garambois, E. Rigaud, J. Perret-Liaudet Robust optimization of gear macro and micro-geometries in order to minimize static transmission error and gear stiffness fluctuations S. 927-938

„… approximation of the description of the deflection form. For each gear design evaluated by the algorithm, the …” „… are selected as the two objectives minimized by the optimization procedure. Finally, the methodology …” „… provides a decision help tool for the designer. The method is illustrated with a reverse gear. 1 …”

K. Mao, V. Goodship, N. Madhav, R. Ramakrishnan, P. Langlois Experimental Investigations of Polymer Composite Gear Performance S. 1625-1636

„… and commercial standards for the design of polymer composite gears [1, 2] developed mainly using …” „… design techniques derived from metal gear practice. However, it may be noted that the quoted allowable …” „… calculation procedures, was based on the assumption that a lubricant does not contribute significantly to the …”

B. Schlecht, F. Müller, S. Schumann Simulation and measurement of tooth flank deviations on bevel gears caused by pitting and micro pitting S. 293-304

„… , Institute of Machine Elements and Machine Design (IMM), TU Dresden Abstract Fatigue failures on tooth …” „… for measuring purposes. Thus, this paper proposes a procedure combining the ad- VDI-Berichte Nr. 2294 …” „… procedure The test rig consists of four bevel gear stages driven by an asynchronous motor as shown in Fig …”

A. Carbonelli, J.-Y. Guerder Computing and minimizing the whining noise – Application to a bogie gearbox S. 517-526

„… . All that procedure is here applied to a complete gearbox bogie, with two stages of meshes. The system …” „… procedure [7 - 8]. The original spectral iterative method has been extended in order to take into account …” „… gears. Journal of Mechanisms Transmissions and Automation in Design. 108, pp. 86-95. [5] M. Beghini …”

A. L. Kapelevich, Y. V. Shekhtman Root fillet optimization of thin rim planet gears with asymmetric teeth S. 741-750

„… Design method optimizes various parameters and elements of gear tooth geometry to achieve the required …” „… optimization by means of Direct Gear Design provides the ultimate bending stress minimization. Previous …” „… thickness. 1. Tooth Root Fillet Optimization Approach In Direct Gear Design [3], the tooth fillet is …”

B. Leupold, V. Janzen, G. Kotthoff, D. Eichholz Validation approach of PM gears for eDrive applications S. 119-130

„… metal particle shearing through material flow. 3. Design approach & testing When driving a customer …” „… design tools like KissSoft are used, both for gear rolling and forging powder metal gears unique …” „… predictive design tasks for surface densified gears [12]. In particular, the GKN proprietary software KinSim …”

E. Erkilic, Z. Burcay Optimizing tooth proportions to improve topland Saribay balance in aerospace bevel gears S. 447-456

„… performance and load capacity requirements of aerospace bevel gears make smaller module designs more …” „… favorable to obtain higher contact ratio to produce gear sets with less noise and vibration. Such designs …” „… developed to assist gear designers in selecting the optimal tooth proportions to obtain an improved topland …”

R. Saito, Y. Suzuki, K. Matsuo The effect on tooth root breakage strength of tooth root shapes resulting from differing hobbing conditions S. 733-740

„… load design that increases tooth root breakage strength under recent space limitations, it is first …” „… simulate the tooth root shape. The procedure of the hobbing process simulation that we developed is …” „… conditions are necessary for obtaining a gear tooth root radius close to the design value. One is to use a …”

K. Matsuo, Y. Suzuki, K. Fujiki Accuracy analysis of workpiece and tool in the hobbing process using Taguchi Method S. 1331-1342

„… with a new and separate cutting blade. 2.1. Simulation procedure This section explains the …” „… procedure of the hobbing simulation. A) The coordinate points of each cutting blade are found from the hob …” „… the tooth profile coordinate values. The specific procedure is explained below. A) Calculate the …”

J. Cathelin, R. Janssen Material data for advanced plastic gear simulation S. 1553-1564

„… Netherlands Abstract Today, plastic gear designers have much more choices than ever when selecting …” „… Japan and VDI 2736 for Germany, are known. Moreover, designers are facing a lack of material data …” „… ]. Nowadays, gear designers have access to a broad range of polymer materials, possibly modified with …”

J. Neufond, Y. Xu, J. Perret-Liaudet, E. Rigaud The iterative spectral method for computing the planetary gear dynamic response S. 209-218

„… , vibrations, whining noise. VDI-Berichte Nr. 2294, 2017 209 1. Introduction The emergency of new design …” „… systems such as wind turbines, under NVH constraints requires design to integrate the vibroacoustic …” „… they provide compact power transmission design with high gear ratio. Indeed, these transmissions are …”

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… gear design with complex flank features aims to meet the demanding performance requirements of lower …” „… established in current gear tolerancing standards [2], enabling a standardized inspection procedure for an …” „… designers. VDI-Berichte Nr. 2294, 20171028 Fig. 3: Examples of modifications at a gear flank (ISO 21771 …”

Y. Shen, S. Rinderknecht, M. Hoppert General modelling method of power losses in transmission with parameter identification S. 905-916

„… hand, the procedure to estimate the overall power losses of the transmission is based on the sum of …” „… there are different bearing types that vary in terms of geometry and design parameters. Therefore, the …” „… Stuart H. Loewenthal. "Design of spur gears for improved efficiency." Journal of Mechanical Design 104.4 …”

C. Brecher, C. Löpenhaus, M. Schroers, T. Frech, P. Scholzen Optimization of NVH behavior of gears by alternative gear materials S. 539-552

„… an optimized gear design for an improved NVH behavior by using the alternative gear materials PM and …” „… and experimental investigation are compared und discussed. Motivation and Objective In the design …” „… optimized gear design for an improved NVH behavior. Damping and insulation effects can improve the transfer …”

V. Angelopoulos, M. Hirsch PM gear rolling simulations using advanced plasticity material model and improved initial conditions S. 1277-1288

„… that the opposite procedure can be conducted and by using simulations as a design tool predict the …” „… . The optimization of this process is critical in order to reduce the overall design time and to …” „… increase the quality of the rolled gear. One way to optimize the process, tool design and gear with stock …”

F. Concli, C. Gorla Numerical modeling of the churning power losses of gears: an innovative 3D computational tool suitable for planetary gearbox simulation S. 881-892

„… increasingly widespread approach that can help the designers in the development of new products. In the …” „… . Moreover, in the field of structural design and strength analysis, with respect to the various failure …” „… have a very complex design and, with the standard approaches it is quite impossible to have detailed …”

T. Jurkschat, T. Lohner, K. Stahl Improved calculation method for load-dependent gear losses S. 893-904

„… ] were conducted in accordance with the procedure of Doleschel [3] to determine the solid µmz,s|686 and …” „… procedure (Figure 6 right) based on µmz|6861 and HVL and the state of the art (Figure 6: left) based on …” „… ., Michaelis K., Höhn B.-R.: „Lubricant influence on Gear efficiency”, Proc. of the ASME Int. Design …”

J. Champain, S. Dalle, M. Octrue Simultaneous experimental characterization of dynamic transmission error to noise and vibration behavior of a gear system under load S. 953-962

„… ) Acoustic performances can be directly improved with a correct gear design. Several factors influence the …” „… Nr. 2294, 2017 955 Test procedure The experimental characterization of TE and its effects on …”

T. Nagumo, M. Ishizuka, Y. Satou, S. Matsumura, H. Houjoh Estimation of loaded static transmission error using vibration measurement under operating conditions in a two-stage helical gear reducer S. 857-868

„… . The loaded STE under actual load conditions helps to design a tooth surface modification that …” „… same procedure can also be performed to a phase of the FRF according to equation (2). 2.2 …” „… and misalignments, Transactions of the ASME Journal of Mechanical Design 135 (2013) 12 pp …”

M. W. Seidel, A. Zösch, K. Härtel Grinding burn inspection – tools for supervising and objectifying of the testing process S. 1003-1014

„… . According to the needs of the customer, imq designs and generates the artificial defects on the parts …” „… procedure. However, the results of a round robin test (described in [10]) may demonstrate the problems of …” „… according to ISO 14104 or AMS 2649. According to the company specifications imq designs and generates …”

C. Weber, T. Tobie, K. Stahl Investigation on the flank surface durability of gears with increased pressure angle S. 173-184

„… even applies to shaft center distance deviations from the setpoint. For the design of symmetric …” „… conversion factor T→σH0 XT→σH0 - 75.70 72.82 All gears of one design size were made of the same batch of …” „… investigations were evaluated based on standardized test procedures and calculation methods. It could be shown …”

E. Maier, A. Ziegltrum, T. Lohner, K. Stahl Characterization of TEHL contacts of thermoplastic gears S. 1483-1496

„… injection molding. This qualifies thermoplastics for the use in lightweight gear design and more generally …” „… temperature distribution in both solids and lubricant. An iterative procedure is established between both …” „… section is to analyze the impact of contact heat on the tribological performance and the design of …”

C. Brecher, C. Löpenhaus, F. Goergen, D. Mevissen Crack propagation analysis of pitting damages of high-strength material systems in gear applications S. 281-292

„… stresses in lead direction (τxz, τyz) are negligibly small for spur gears. Fig. 6 shows the procedure to …” „… . References [1] Brecher C, Löpenhaus C, Konowalczyk P (2015) FE-based Design Method for Pressure Optimized …”

M. Ophey, F. Klocke, C. Löpenhaus Approach for modeling grinding worm wear S. 1365-1378

„… design is often based on experience and time and cost intensive experiments. The science-based analysis …” „… boundary conditions. © WZL Fig. 5: Procedure to Determine the Coefficient of Friction According to [25 …”

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International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

Results in this title

F. Mieth, D. Tazir Local load capacity analysis for the design of a balanced flank modification for cylindrical gears according to bevel gear procedures S. 927-944

„… Local load capacity analysis for the design of a balanced flank modification for cylindrical gears …” „… according to bevel gear procedures What really happened!Dipl.-Ing. Frederik Mieth, Dipl.-Ing. Dennis Tazir …” „… , FVA-GmbH, Frankfurt, Germany Abstract In order to be able to carry out an optimal gear design with the aim …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… strength characteristics of gears with new tooth profile design is performed. The developed procedure …” „… to improve the tooth profile design and to upgrade the load capacity calculation procedures for …” „… specific models and procedures need to be developed. 2. Tooth root design based on the biomimetics …”

J. D. M. Marafona, J. H. O. Seabra, P. M. T. Marques, R. C. Martins Effect of overlap ratio on gear dynamic behavior and noise level S. 1239-1256

„… required and used in this optimization procedure.Table 2: Parameters imposed for the development of the IOR …” „… the design of integer overlap ratio helical gears in order to reach an almost constant gear mesh …” „… stiffness. Being the overlap ratio the central parameter for the design of these new gears, it is relevant …”

U. Kissling Impact of manufacturing deviations on the NVH behavior of modern gear design concepts S. 367-382

„… grade (ISO 1328) to prescribe. 2.1 Integration in gear design software To enable this procedure to be …” „… Impact of manufacturing deviations on the NVH behavior of modern gear design concepts Dr. Ulrich …” „… Drehweg-abweichung/Festigkeit eingehalten werden.Abstract Gear design is a demanding process. The main objective is clearly the …”

M. Yilmaz, M. Ayar, F. Zerulli, K. Humm, J. König, B. Schwarz Gearbox efficiency of eDrives: correlation between measurement and calculation of load-dependent torque losses S. 985-994

„… VDI-Berichte Nr. 2422, 2023 985with axially parallel design for a wide range of operating conditions. The aim …” „… therefore mainly depend on lubricant properties as well as the mechanical design of the transmission. The …” „… Within this study, the load-dependent torque losses of an eDrive with axially parallel design is …”

B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… sections, a wear measurement procedure has additionally been developed. The procedure relies on a similar …” „… be accurately measured using a micrometer or a microscope before the wear measurement procedure is …” „… a light calibration procedure, like the one used in EDD, is first introduced to obtain homogeneous …”

A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… procedure is intended to harmonize the varying frequency content between the different gear designs with …” „… aspect to a successful gear design. Since the main noise originates from the characteristic power …” „… gearbox design. It is known that the power transmission process leads to an internal vibration excitation …”

M. M. Klein Holistic Sustainability-Assessment of Gearboxes S. 815-828

„… - Functional concepts - Technical drafts - Final design At the end of each development step (synthesis …” „… has to be chosen for the final design. Sustainability-assessment therefore is a method to be applied …” „… several times during the development of a new product. Procedure of sustainability-assessment Based on the …”

S. Sartori, L. Alari, N. Motta, D. Podda Helicopter Drive System Safety Dissertation S. 633-644

„… lubrication, by improving the existing provisions and procedures applicable to critical parts on helicopters …” „… . As a direct consequence, in order also to ensure that design assumptions are valid throughout the …” „… whole service life, the emergency circumstances need to be considered as a mandatory design conditions …”

M. Hausmann, E. Kirchner Investigation of the electrical impedance of the gear mesh of helical gears in an industrial gearbox S. 1173-1180

„… contribution, a research design for the investigation of the electrical impedance of helical gears is proposed …” „… installation space, standardized design interfaces and low uncertainty and disturbance influences. [1 …” „… electrical behavior of helical gears? In this contribution, the procedure to answer these research questions …”

E. Virtanen, M. Kanerva, G. Szanti Fatigue testing of large sized bevel gears S. 897-906

„… topics included the effect of surface quality, verification of ATA advanced tooth contact design concept …” „… , describes some technical struggles and iterations of test gear design and test rig operation. These …” „… effectively. Fig. 3: The original pinion design after exposure to dry ice for installation. Note the …”

L. Bonaiti, M. Brambilla, P. Chiariotti, A. Cigada, C. Gorla, G. Boni, P. Codeluppi The effect of pinion axial positioning on noise and transmission error of face hobbed and face milled bevel gears S. 839-852

„… the design phase, the TE is one of the first parameters the designer can act on in order to modify the …” „… . Those two aspects are related to each other. Indeed, in order to reduce gear noise, designers can try to …” „… intervals smaller than 300 [µ ]. The procedure has been defined by looking at the signal as a series of …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… B-Splines verwendet. Diese Technologie wird auch in Com-puter Aided Design (CAD)-Systemen verwendet, um …” „… technolo-gy used by Computer Aided Design (CAD) systems, to model the geometry as well as the solution field …” „… induced [1]. As such, it is of great importance for design engineers to accurately pre-dict the contact …”

M. Geitner, S. Preintner, T. Tobie, K. Stahl Simulation Study on the Tribological Characteristics in the Meshing Contact in the Context of the Load Carrying Capacity Calculation of Internal Gears with Unbalanced Sliding Conditions S. 429-450

„… characterized by a high power density and a compact design with coaxial in- and output. Consequently, planetary …” „… positioning the pitch point C outside of the active profile. Depending on the gear design, this allows a …” „… noted that such gear designs are already part of some practical applications. However, the existing …”

D. Zorko, N. Vukašinović, B. Černe The effect of gear manufacturing quality on the mechanical and thermal state of a plastic gear S. 1319-1332

„… deviation on the root stress was determined and can be considered in the design procedure of plastic gears …” „… the reliable design of plastic gears. Knowledge on material properties (such as fatigue strength, wear …” „… required for a reliable design. Plastic gears would be probably even more widely adopted, if there would …”

A. Alnahlaui, P. Tenberge Optimised statistical evaluation for the determination of tooth root endurance strength S. 19-32

„… several works on simulating experimental procedures such as by Hück [7] and Liu [8]. To perform a …” „… explained in the following equation. μ μ 𝑋 ∙ 𝜎Test simulation with staircase procedure There are two known …” „… statistical evaluation procedure used. The STB methodologies remain very popular to use as by McPherson [10 …”

F. Eigner, S. Oberle, M. Berger A non-restrictive approach of gear geometry calculation for plastic gears S. 1469-1482

„… an optimal power transmission can be achieved regarding the technical properties. The procedure is …” „… search for product improvement always leads to new ideas in product design. Often, a solution is found …” „… kinematic design, which describe the outer shape of the gear. This calculation basis unfolds the most …”

C. Herzog, D. Drummer Influence of the injection molding process on the tooth deflection of plastic gears during operation S. 1435-1448

„… deformation behavior. The design of the shaft-hub connection of the plastic gear, however, significantly …” „… elastic tooth deflection during operation is essential for the lifetime-oriented design of steel-plastic …” „… design of the shaft-hub connection on the tooth deformation under varying loads.2 Fundamentals2.1 Elastic …”

G. Vasileiou, C. Vakouftsis, C. Kalligeros, V. Spitas, C. Papalexis, A. Tsolakis, P. Zalimidis Continuous prestressed reinforcement of plastic gear teeth and its effect on bending strength vs conventional reinforcement S. 1375-1388

„… .2003.10.028. [2] A. Poga nik and J. Tav ar, “An accelerated multilevel test and design procedure for polymer …” „… , indicating the validity of the proposed design. 2. Fibre positioning design conceptFigure 1 demonstrates the …” „… Material Designer and the composite material orthotropic properties are shown in Table 2. VDI-Berichte Nr …”

H. Yakaria Securing the Quality Chain by the Networking with the Gear Suppliers S. 1617-1630

„… process. It allows for a more detailed and optimized design and enhances the communication between design …” „… proprietary algorithms that can be documented within a standard or design rule. This standardization …” „… procedures and expectations, reducing the learning curve and accelerating their onboarding process. The …”

S. Matkovič, D. Šeruga, M. Nagode, M. Kalin Prediction of tooth root fatigue failure of polymer gears for dry and oil lubricated contact and its comparison to experimentally obtained results S. 1301-1318

„… available. Nevertheless, the gear design with these materials is challenging due to the lack of specific …” „… lifetime curves and detailed tribological behaviour. Therefore, for trustworthy design of the polymer gears …” „… more commonly used in the product design process, not only for basic static stimulation but also for …”

L. Braumann, H. Amri, V. S. Viteri, J. Ochoa LUBGEAR – Experimental Campaign for Aviation Gears in Loss-of- Lubrication S. 1063-1070

„… industry are required to withstand off-design conditions such as loss of lubrication (LOL) for a specified …” „… amount of time during the certification process. While current design solutions such as auxiliary oil …” „… under LOL requires special experimental methods and test article designs. Benefits of testing strategies …”

F. Concli, M. N. Mastrone Latest advancements in the lubrication simulations of geared systems: a technology ready for industrial applications S. 499-518

„… (typically 10 to 20 - but specific procedures based on mesh quality and design parameters can be implemented …” „… , ItalyAbstractEnergy efficiency represents an important aspect of mechanical design. Despite their long history, gears …” „… manufacturers to increase the investments to achieve more efficient designs leading to energy saving, reduction …”

K. Yanagisawa, K. Kamoshida, A. Domon Prediction of Gear Fatigue Life Considering Glass Fiber Orientation S. 1351-1360

„… in FIG. 1.It is important to predict fatigue life and design so that fatigue does not occur Fig.1 …” „… repeated loads during operation, fatigue is one of the most important design requirements.2. Mechanical …” „… the shape shown in FIG. 3 and was manufactured according to the design specifications shown in Table 1 …”

I. Gonzalez-Perez, A. Fuentes-Aznar Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth S. 1083-1090

„… : Geometry and design of spur gear drive associated with low sliding ratio. Advances in Mechanical …” „… gear pairs. Journal of Mechanical Design, Transactions of the ASME 129, 58–68, 2007. [6] M. Kolivand, S …” „… , 2019. [9] V. Roda-Casanova, I. Gonzalez-Perez: Investigation of the effect of contact pattern design on …”

B. Morhard, T. Lohner, K. Stahl Influence of Surface and Material Technologies on Loss of Lubrication Performance of Gears S. 779-784

„… Mechanical Engineering, School of Engineering and Design, Technical University of Munich, Garching …” „… the test gearbox are derived. Further information on the general test rig design can be found in [Loh …” „… detailed description of the test procedure for LOL investigations and the LOL characteristics of gears …”

J. Sanchez-Espiga, A. Diez-Ibarbia, M. Iglesias, A. Fernandez-del-Rincon, F. Viadero, J. Calvo-Irisarri, A. Fernandez-Sison Statistical study of the mesh load factor of planetary gear transmissions affected by inherent manufacturing errors S. 139-156

„… procedure followed for the statistical analysis are presented. Afterwards, in the next section all the …” „… approach. Z 2 ceil 1 (1) VDI-Berichte Nr. 2422, 2023 141However, this procedure solves the linear part of …” „… Weber-Banaschek formulation [29]. Thus, by and iterative procedure a solution is established for the local contact …”

D. Park, A. Rezayat, Y. Gwon Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques by incorporating multibody simulations S. 383-396

„… Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques …” „… pressure angles to the drive side gear flank design at the expense of the coast side performance. This …” „… asymmetric tooth design could lead to a reduction in size and weight for gearboxes as a result. To achieve an …”

P. Chavan, M. Lutz Validation of an industrial gearbox model for predicting vibro-acoustic behavior S. 619-632

„… development is crucial for optimizing gear tooth design. In this way, the VDI-Berichte Nr. 2422, 2023 619 …” „… Validation procedure 5.1 Component validation The first step in the validation procedure involves comparing …” „… Pair Force Element in the MBS. In a new development, the bevel gear design and contact simulation …”

G. Guimarães, L. Robatto, R. Rego, A. Faria, A. Borille, J. Mascheroni Surface integrity of 20MnCr5 pinion gears manufactured through laser powder bed fusion S. 1845-1858

„… electromobility impose new demands on the gear Industry in terms of materials, design and manufacturing. In this …” „… technologies in additive manufacturing (AM), allowing the designer to think beyond traditional constraints. On …” „… engineers with greater design flexibility and reduced tooling requirements. This opens up new possibilities …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… . Alternative materials or coatings and different surface machining procedures for new gear designs have been …” „… entrainment velocity. The developed LOL testing procedure revealed a strong influence of the frictional energy …” „… attached to a heatable oil-circuit is presented along with the test procedure for LOL tests. Supplementary …”

A. Drechsel, J. Pellkofer, K. Stahl Transferability of the scuffing load capacity of gear oils determined on spur gears to hypoid gears S. 881-896

„… , School of Engineering and Design, Garching, Germany 1 Zusammenfassung Die Fresstragfähigkeit ist ein …” „… Veröffentlichung bewertet. 2 Abstract The scuffing load carrying capacity is a decisive design criterion in the …” „… during running-in. After the running-in procedure, the oil is changed to remove wear particles. The …”

D. Matsuura, D. Hashioka, T. Kobayashi, H. Maki Generation Method of Polygonal Shaped Work Pieces Based on Gear Meshing Theory S. 1631-1640

„… presentation, definition of necessary coordinates and given- and unknown design parameters, and determination …” „… and holes [4]. In the following section, theoretical procedure to calculate (i) target work pieces …” „… its conjugate have explained together with the definition of essential coordinate frames and design …”

M. Fürst, S. Sepp, D. Schweigert, M. Otto, K. Stahl Experimental Investigation of Moving Contact Pattern in Helical Planetary Gearboxes S. 569-582

„… Stahl,School of Engineering and Design, Department of MechanicalEngineering, Gear Research Center (FZG …” „… Abstract Planetary gear sets combine the characteristics of high-power density and compact design which are …” „… and cost reduction, new challenges arise regarding a lightweight design. An accurate prediction of the …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… lubricated gears For a dry and solid-lubricated gear box, other challenges arise in the design and subsequent …” „… operation. On the one hand, the design guidelines for gears, such as ISO 6336, are not valid for the …” „… research There are currently no calculation guidelines for the design of dry and solid-lubricated gearing …”

M. Vivet, A. Rezayat, J. Verhoogen, K. Kucukcoskun, S. Donders Numerical analysis of bevel gear transmission acoustic emission using a 3D gear contact force model within a multibody system dynamics simulation environment S. 689-702

„… and presented for three spiral bevel gear variants; two that have a normal gear blank design and one …” „… accurate prediction, and foster prevention.Simulation technology to design, analyze and optimize spur and …” „… helical gear dynamics has evolved significantly in the last years, allowing gear design engineers to …”

C. Kunik, J. Kunert Wetting and oil flow analysis of planetary gearboxes using oil flow simulations S. 467-484

„… gear units, which are characterized in particular by their compact design and their high torque density …” „… , the pre-processing is completed. This procedure is shown in Fig. 6 for the first gearbox used for the …” „… start. This preparation procedure is done very fast and is the main advantage of the SPH method compared …”

J. Langhart, S. Ebrahimi, T. Kelichhaus A comparison of time and frequency domain approaches for NVH S. 583-598

„… performed on standard computers. This is suitable in the design phase, where the NVH evaluation for a high …” „… number of design states is required. This allows to assess the effect of various gear designs, gear body …” „… geometries and shaft designs regarding NVH within a shortest time. On the other hand, in many applications …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… DesignThe VDI SOCIETY PRODUCT AND PROCESS DESIGN (VDI-GPP) and its technical divisions provide all sectors …” „… with verified knowledge on the design of products and processes and their optimization in terms of …” „… and Design, Technical University of Munich, Garching, Germany Tooth root load & carrying …”

S. Chen, C. Liu, D. Qin Forward Performance-driven Design of Gear Parameters S. 211-226

„… constraint, and load capacity constraint. 4.4 Design procedure The flowchart of the forward …” „… Forward Performance-driven Design of Gear Parameters Master student. Shuxin Chen, A. Prof …” „… parameters, the conventional design process requires a number of steps which are time-consuming and complex …”

C. van Oss, A. Hilbig, H. Sardemann, S. Schumann, B. Schlecht Opportunities arising from digital twins in gear development S. 1027-1038

„… Machine Design, IPF - Institute of Photogrammetry and Remote Sensing Technische Universität Dresden …” „… , usually 𝑓 and 𝑓 . The general procedure of the correction calculation is shown in Fig. 7. VDI-Berichte …” „… of Machine Elements and Machine Design in cooperation with the Institute of Photogrammetry and Remote …”

L. Bonaiti, M. Monti, C. Gorla, M. Geitner, T. Tobie, K. Stahl The consequences of different methodologies for the elaboration of pulsator test results with respect to the load spectrum assessment of gears S. 33-52

„… results in a total failure of the transmission. Therefore, a crucial design aspect is an accurate …” „… determine applicable strength characteristics for practical gear design. Literature presents few …” „… guideline 563 I [31] defines it as a recommended procedure to evaluate pulsator test data. Its validity and …”

S. Sepp, A. Wenig, M. Otto, K. Stahl Acoustical behavior of periodic flank modifications under dynamic operating conditions S. 341-356

„… ] Houser, D., Harianto, J.: A gear design optimization procedure that identifies robust, minimum stress and …” „… Munich, TUM School of Engineering and Design, GermanyAbstract Noise emissions belong to the crucial …” „… design characteristics in modern transmissions. The most efficient way to achieve beneficial noise …”

L. Becker, P. Tenberge Crossed helical gears – simulative studies and experimental results on non-involute geometries S. 1499-1514

„… design parameters and demonstrate the effects on operating behavior, with those a design recommendation …” „… ] and Boehme [3] developed extensions and adaptations of the calculation procedure which, in addition to …” „… 15013. Simulative design studies 3.1 Influence of the polynomial coefficients The fourth-order …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… Performance Material Solutions, using material science, application know-how and design expertise …” „… , VDI-Berichte Nr. 2422, 2023 1389dedicated to sustainability enabling future proof designs for everybody. As one …” „… gears suffer intrinsically from non-uniform cooling conditions either due to geometry and/or mold design …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sánchez Analysis of the tip interference in low gear ratio internal spur gears with profile modification S. 957-974

„… cylindrical gear with external teeth. External and internal gears have very similar geometry and design …” „… apply to external gears. VDI-Berichte Nr. 2422, 2023 957Deep studies in design and geometry for external …” „… spur gears and add some specific design requirements [5-8]. The first one is the theoretical …”

J. Vorgerd, P. Tenberge, M. Steinrötter Scuffing load carrying capacity of high-speed gears with an isotropic superfinished surface S. 227-242

„… in electromobility or aerospace. For the proper VDI-Berichte Nr. 2422, 2023 227design of efficient …” „… conditions, the torque was increased stepwise, until the test gears fail due to scuffing. The design of the …” „… a]VDI-Berichte Nr. 2422, 2023234The gear design influences the internal loads during the gear mesh. Variant Geom …”

Y. Koch, E. Kirchner, J. Hirschmann Measuring Instantaneous Angular Speed using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test S. 81-96

„… gearbox housing. This requires additional mounting at the rotating shaft and a design change. Koch et al …” „… and a design change. Therefore, Koch et al. [1] used the gear wheel as a material measure and an …” „… gearboxes? Method First, the test stand and design of the endurance test are presented. Then the integrated …”

D. Gallagher, E. Wiita, R. Weidig Improved Method for Validation of Root Stress in Polymer Gears S. 1333-1350

„… standards for design verification, culminating with the release of VDI 2736 in 2014. Given the relatively …” „… considerably more design freedom than conventional generative manufacture. Injection mould tools are usually …” „… scale of possibilities. This design freedom allows manipulation of contact ratio, as well as optimizing …”

J. Zhang, B. Shaw, A. Hammer, I. Sewell Effects of Surface Engineering on the Efficiency of Involute Helical Gears – An Experimental Investigation S. 995-1016

„… Investigation Dr. Jishan Zhang, Prof. Brian Shaw, Andy Hammer, Ian Sewell, Design Unit, School of Engineering …” „… value to the design of in-wheel drive systems that are used by electric vehicles where space is limited …” „… kind of gear design: 1) The contact would be even among all gear teeth involved since any tooth of one …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… Exploration of trade-offs between NVH and efficiency in bevel gear design Ph.D. E. Grabovic, Prof …” „… Minimizing NVH and friction-induced power losses is becoming paramount in the design of geared transmissions …” „… . The aim of this paper is to present an automatic methodology to explore Pareto-optimal designs of …”

A. Carvalho, R. Rego, N. Fukumasu, D. Tamayo, F. Nascimento, I. Machado PVD Deposition of Nb-MoS2 Coatings on Gear Carburized Steel S. 1071-1082

„… grinding burn [11]. As a part of the testing procedure involved using polished samples, the polishing …” „… . VDI-Berichte Nr. 2422, 20231080References [1] Mileti M. et al. Design of a hyper-high-speed Powertrain for EV …” „… . [2] Hailu H. et al. Design and fatigue analysis of an E-drive transmission system of single-speed …”

J. Gründer, A. Monz Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear Shafts S. 1091-1110

„… avoid scuffing damage. The design of worm gears is primarily carried out on the side of the wheel to …” „… calculation method. In ANSI/AGMA 6022-C93 [6], an additional design aspect provides the calculation of the …” „… with the Finite Element Method (FEM). Since this procedure is usually very time-consuming, it can only …”

C. Westphal, J. Brimmers, C. Brecher Influence of Axis Misalignments in Stepped Planetary Gear Stages on the Excitation Behavior – Test Rig Development and Simulative Analysis S. 175-190

„… , RWTH Aachen University, Germany Abstract One challenge in the design of automotive gearboxes is the …” „… planetary gearboxes is the design of the tooth flank modification due to the dynamic displacement behavior …” „… design extension of the planetary gear measurement cell. In the second step, the test rig is modeled in …”

S. Ebrahimi, U. Kissling, C. S. Matkovič Evaluation of the NVH Characteristics of Gear Drives with Plastic Gears by the Forced Response Analysis S. 1403-1418

„… important role in the design of structures to minimize noise, structural instability, and fatigue failure of …” „… researchers. In this context, a comprehensive procedure was presented in [11] to characterize vibration and …” „… gearbox. For this purpose, a transmission error model was used to optimize some gearbox geometric design …”

M. Werner, S. Graf, M. Oehler, O. Koch Investigation of the electrical behavior of a spur gear stage pair by means of impedance measurements S. 67-80

„… strategy of car manufacturers. Due to the associated change in powertrain design, especially for electric …” „… conditions and the constructive design of the electric motor [6 – 8]. Current research concentrates …” „… /s 15 Viscosity index 138 VDI-Berichte Nr. 2422, 2023 73Test procedure for the electrical …”

M. Ruzek, R. Brun, F. Ville, P. Velex, Y. Marchesse On the reduction of windage power losses in gears by the modification of tooth geometry S. 785-800

„… , on the other hand, gearbox design imposes technical limits for security reasons, especially with …” „… be concluded that the proposed numerical simulation procedure is accurate enough for analysing the …” „… high-speed gears—Preliminary experimental and theoretical results. J Mech Design. https://doi.org …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… trajectory and process parameters was developed for process and tool design. Subsequently, the tool system …” „… , 20231832First, a procedure for determining the pin tip diameter and spring combinations was created. This …” „… to an Area of Interest (AoI), see Fig 2. For the design of the tool, the Hertzian stress (see [17, 18 …”

P. E. Schnetzer, J. Pellkofer, K. Stahl Calculation method for wear of steel-bronze rolling-sliding contacts relating to worm gears S. 907-926

„… ), School of Engineering and Design, Technical University of Munich, Garching, Germany Symbols A mm Running …” „… high transmission ratios in one stage, a compact design, the ability to self-lock, and low-noise …” „… ]) VDI-Berichte Nr. 2422, 2023912conditions can be achieved. Due to the test rig design, it is not possible to …”

T. König, L. Cadau, L. Steidle, M. Kley, D. Cansu Güney, J. Albrecht, K. Weber A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a method of oil aging on a test rig S. 1195-1206

„… instance, the typical map of an electric machine requires different transmission designs. [2, 3] In …” „… of this work and research project. 2. State of the Art In this publication, a procedure for …”

N. Blech, C. Paschold, T. Lohner, T. Tobie, K. Stahl, L. Amar Review of different calculation approaches for the mean coefficient of friction in ISO 6336 S. 191-210

„… Normenreihe ISO 6336. VDI-Berichte Nr. 2422, 2023 191Abstract Important goals in gear design are high load …” „… investigated, which are used in standardized oil test procedures [15]. The input data for the calculations are …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - AgEng LAND.TECHNIK 2022

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VDI Wissensforum GmbH (ed.)

AgEng LAND.TECHNIK 2022

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Volume 2406 2022

Results in this title

K. A. Kibwika, I.-H. Seo A CFD study on Ventilation and Micro-environment in Tomato Greenhouse-complex Located on Saemangeum Reclaimed Land – Model design approach and validation procedure S. 611-616

„… Reclaimed Land Model design approach and validation procedure Graduate student. Kintu Anthony Kibwika, Prof …” „… less than 1 ha. There is need to develope ways of making such models and propose validation procedure …” „… . In this study numerical design methods for moaking a 32ha greenhouse comples were suggested, and a …”

C. Depenbrock, L. Frerichs Investigation and testing of a novel concept for straw management with the “Kombi-Mulcher” – How the decoupling of combine threshing and straw management by means of a “Kombi-Mulcher” contributes to e... S. 179-188

„… . This contribution to the conference provides the design and construction of both the individual units …” „… procedure are shown and the results of the trials in in the latest harvest seasons are presented. For …” „… the machine concept is based on a methodical procedure with a combination of research, expert …”

A. Hecker, B. Striller, F. Boye, Norman Franchi, H. Freytag Aspects on Applying and Operating Campus Networks in Agriculture S. 411-418

„… project in the EU to design and develop mobile radio campus networks for VDI-Berichte Nr. 2406, 2022 411 …” „… , latency, periodicity, etc., which have to be matched by a suitable network design. With respect to FMIS …” „… application procedure has been greatly simplified, the regulations still refer to a static usage model. In …”

V. Ernst, J. Schwehn, N. Ebertshauser, S. Böttinger Investigations on the rolling resistance of tractor tires using coast down tests S. 581-588

„… the results of the analysis and comparison of 3 different tires, tire pressure and tire design have …” „… start coast-down procedure. The required data can mainly be extracted from common information systems of …” „… accessible during the logging procedure. It is principally possible to apply the method on both solid and …”

L. Poppa, L. Frerichs, J. Liu, M. Böl Experimental method to analyse the blackspot bruises of potato tuber flesh due to mechanical deformation S. 429-438

„… model: The test procedure to deform a tissue under controlled environment and measure the colour change …” „… of tissue due to deformation. The single steps of the test procedure are: VDI-Berichte Nr. 2406 …” „… characterised by tracking the movement of the lever using a high-speed camera (NX8 S2, Integrated Design Tools …”

H. Burkhardt Simulation environment for the development of intelligent algorithms for agricultural applications S. 131-134

„… design, testing and validation of the algorithms is very complex and time-consuming, especially because …” „… conditions and situations can be tested applying fully-automated test procedures with 100% reproducibility …”

Titelei/Inhaltsverzeichnis S. I-XXII

„… Located on Saemangeum Reclaimed Land – Model design approach and validation procedure …” „… University of Athens, GreeceOptimal design of a hybrid power generation system for greenhouses …” „… , L. Wannasek, ATB, Potsdam;T. Amon, LVAT, PotsdamDesign of an on-farm biomethane upgrading plant with …”

D. Sousa, R. Moutinho, C. Resende, J. Oliveira, M. Roque, R. Graca, A. Oliveira-Jr, W. Moreira, L. Carvalho Underground Sensing Probes for Precision Agriculture S. 625-630

„… moisture in the root zone between field capacity and the wilting point – Comfort Zone. Such a procedure not …” „… various application scenarios. Enclosure design specification Our underground sensing solution requires …” „… an enclosure with a rugged design for long-term, underground use. Thus, the enclosure considers the …”

A. Barbaresi, M. Ceccarelli, M. Bovo, M. Agrusti, E. Santolini, D. Torreggiani, P. Tassinari, G. Menichetti Machine Learning Models for Predictions of Thermal Energy Need in Farm Buildings S. 477-484

„… fundamental role in building design, but a huge number of numerical simulations is required to achieve energy …” „… features’ importance and explainability, helping academics and professionals to define novel design …” „… to prepared by a professional operator. Operator time can be reduced creating automatic procedures to …”

C. M. Levrault, J. T. Eekelder, J. P. M. Ploegaert, N. M. W. Ogink Measurement of dairy cows‘ individual methane production rates: the Cubicle Hood Sampler, an on-barn alternative S. 85-92

„… renewed design of the Cubicle Hood Sampler (CHS) and the specifics of applied sensors. Featuring an …” „… of the other devices regarding the insufficiency of sampling time. In the renewed design additional …” „… with a CHS unit. Self-programmed datalogger and resulting sampling procedures (automated switch …”

E. Avalos-Sanchez, A. Lopez-Martinez, F. D. Molina-Aiz, D. L. Valera-Martinez, M. A. Moreno-Teruel, F. Baptista The Effect of Diffuse Film Covers on the Development of Cucumber Fungal Diseases in a Mediterranean Greenhouse S. 447-454

„… study area covered by the VDI-Berichte Nr. 2406, 2022 449different plastic film. For the design of the …” „… 's minimum significant difference (LSD) procedure. Bartlett, Cochran, and Hartley tests were used to …” „… : Design Requirements, Part I, (2000), 1–16. [2] Papadakis, G., Briassoulis, D., Scarascia Mugnozza, G …”

H. Battke, L. Krause, J. Petri China’s spraying drone trend – a European opportunity? S. 217-234

„… prototype is a quadcopter design with a 10 l tank volume. For the test,the UAV was equipped with 2 …” „… : Self-propelled boom sprayer Frema Aiglon 80 (left), PIX4D UAV-sprayer (right)Experimental DesignA plot of mature …” „… attached to d) Experimental design with P = Plant, H1= 50 cm,H2 = 100 m and H3= 180 cm, four plants per row …”

doi.org/10.51202/9783181024065

VDI Wissensforum GmbH - Humanschwingungen 2020

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VDI Wissensforum GmbH (ed.)

Humanschwingungen 2020

Series: VDI-Berichte

Volume 2370 2020

Results in this title

I. Maciejewski, T. Krzyzynski Computer-aided approach to the design of vibration reduction systems – Methods and procedures for the optimal configuration of non-linear system behaviour S. 175-184

„… Computer-aided approach to the design of vibration reduction systems Methods and procedures …” „… properties of the vibration reduction systems is discussed. The proposed procedure supports selecting the …” „… non-linear visco-elastic characteristics of passive systems and helps to design the control strategy of …”

T. Schröder, A. Lindenmann, S. Hehmann, M. Uhl, T. Gwosch, S. Matthiesen A Method of Determining the Separation Plane of a Knob-Shaped Measuring Handle for the Measurement of Hand-Arm-Impedances S. 131-140

„… of DIN 33402, age 18 to 65 years 107 mm 189 mm 111 mm 68 mm 2.3 Test Procedure The experiment …” „… consisted of a three step procedure. After initial instruction and determination of the physical …” „… its location. An overview of the assignment procedure is given in Figure 2. Fig. 2: Overview of the …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… to the design of vibration reduction systems – Methods and procedures for the optimal configuration …”

O. Dieterich, M. Priems Improvement of Helicopter Comfort of Ride Beyond Blade Passage Frequency – Research Project CORINNE S. 163-174

„… blades caused by manufacturing tolerances. Both kind of airframe vibrations can be influenced by design …” „… challenge how to design for improved ride quality without knowing a corresponding metrics behind. In order …” „… , 2020166 3. Design and Performance of Whole Body Vibration Test Campaign Rotorcraft specific key Fig.s …”

doi.org/10.51202/9783181023709

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