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VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2022

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

B. Reetz, T. Munch, W. Kappeler Challenges for lead-free brass alloys in worm gears S. 1467-1488

„… GmbH & Co. KG, Eisenbach Abstract Worm gears typically are used in applications with high loading …” „… . Consequently, the banishment of lead in special brass alloys for application in worm gears must be examined …” „… used for applications where high loading capacity, high gear ratios or small available spaces are …”

M. Weigand Smart and intelligent chip detectors using machine learning to monitor wear particles and dangerous degradation of critical powertrain components S. 995-998

„… motivation to push the development of a new solution and find new applications in other industrial fields. A …” „… complexity of assembly. Thus, the sensor can also be implemented in oil bath-lubricated applications. Figure …” „… positions of the sensor VDI-Berichte Nr. 2389, 2022996Application Example: Helicopter Transmission A …”

B. van Wissen, M. Kanters, F. Mitsuzuka, K. Iwanaga, M. Meuwissen, A. Hasanovic Predicting static and fatigue performance of fiber reinforced plastic gears S. 1083-1098

„… solutions in a large range of application fields like automotive, electrical and electronics, consumer …” „… products and specialized industry. Especially in gear applications DEM has proven its capabilities by using …” „… time at high temperatures. In order to be successful in gear applications it is key to accurately …”

M. Matzke, A. Elter Ensuring reliable grease service life in high temperature plastic gears S. 1249-1256

„… which correlates with practical applicationMotivationGrease Service Life in High-Temperature Plastic …” „… grease servicelifeApplication of grease sample on catalytic carrier plate before thermal ageingTest …” „… Achievement of first indication of method repeatability and reproducibilityPart 2: Application of method for …”

P. Tenberge, J. Vorgerd, L. Gondecki 2-disc tribometer for various tests on sliding/rolling contacts with tribological loads such as in tooth flank contacts S. 145-156

„… situationTo copy the meshing tribology of tooth flanks nearly 1:1 on a 2-disc system, it finally needs two …” „… realistically compared to real tooth meshings, so that the results fit much better with real applications than …” „… the very high torque loads from real applications. This makes such tests on large gears very expensive …”

K. Lubke, H. Rohr Quality inspection of common step gearings – Overview of different types and their assessment S. 959-968

„… for different areas of application. The three corresponding cam types are line barrel cam, right-angle …” „… designed for different areas of application. They consist of two different parts: the cam and the follower …” „… functions regarding different fields of application. In contrast to this, a combination of lines and circles …”

P. Rodel, R. Spieler, M. Indenbirken, T. Nuisl Holistic friction optimization of transmissions – a significant contribution for sustainability S. 731-744

„… , targeted, and application-oriented design regarding load capacity, acoustics (NVH) and energy efficiency …” „… distribution based on the kinematics for each contact situation is necessary. This can be calculated with the …” „… and lubricant compression. In most applications, both for rolling bearings and gears, the hysteresis …”

R. Longato, M. Turci The effect of temperature on the SN curve for bending stress measured on a new test rig for plastic gears S. 1209-1222

„… development is still creating new materials and fillers. The applications that use these gears have increased …” „… over the last decade in different fields of application such as machinery, automation, pharmaceutics …” „… of design complete gearing for the specific application or opting for commercial gear from a …”

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… manufacturer of standard and application specific gear units, SEW-EURODRIVE has to ensure a sufficient load …” „… under a small number of load situations. For a detailed analysis of whole modular gear box systems …” „… profiling. One application for this fully parametrized and automated calculation approach was the anal-ysis …”

B. James Developing a digital thread linking gear design to manufacturing simulation and metrology S. 185-196

„… understandable but also leads to problems. It naturally leads to a situation where the two parties poorly …” „… application. Therefore, a real-life gear needs to be designed, virtually manufactured, machined and measured …” „… . Application of the Integrated Process to a Gear Pair The design and manufacturing of every gear presents …”

F. Reinle, D. Mangherini, E. Morgano, A. Bongiovanni Combining improved gear efficiency and improved fatigue performance through mass finishing S. 609-620

„… rolling contact like bearing applications for decades, classical gear finishing remained still on the …” „… one process chain. In current automotive gearbox designs for e-mobility applications shot peened gears …” „… housing in automotive applications. The gear surface consists of case-hardened and ground 27MnCr5. Because …”

A. Hilligardt, J. Klose, V. Schulze A new method for avoiding meshing interference in gear skiving S. 1305-1318

„… developed for user-friendly implementation and practical applications. The influences of the tool and …” „… process design on the interference situation are investigated, compared and dis-cussed. Furthermore this …” „… be quantified and recommendations for improving the clearance face situation are suggested. 1 …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… Application of Genetic Algorithms for parameters identification in a developing smart gear system …” „… Engineering, Kyoto Institute of Technology, Kyoto, Japan Abstract In this study, the application of Genetic …” „… these situations, hence, monitoring the health of these gears becomes a high potential solution …”

B. H. Kien, D. Iba, Y. Tsutsui, Y. Lei, D. Taga, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Plastic gear remaining useful life prediction using artificial neural network S. 951-956

„… monitor the situation of plastic gear and capable to estimate the RUL of plastic gear during working time …” „… can be seen in Figure 3. Thus, the situation of plastic gear can be obvious by the captured images …” „… composed with labels. A piece-wise model is employed to label data, which equal 0 during healthy situation …”

A. Eric, D. Olveda, T. Froschmeier, V. Schulze Local pitting fatigue concept with EHL simulation for case hardened gears in electrical drives S. 133-144

„… some application examples. 2. Fatigue concept overview The idea of a local fatigue concept is to …” „… . This setup is very similar to the procedure reported by Li & Kahraman [15]. The application of the …” „… test rigs, where the load situation of actual gears is represented a lot better than in any bending or …”

K. Lubke, M. Stein, S. Lin Validation of evaluation algorithms for cylindrical involute gears on coordinate measuring machines – new challenges according to standardization S. 1529-1538

„… gears” aims at a solution for this situation. In contrast to the first software test provided by the PTB …” „… provides a tool for the validation of computational software applications used in metrology, e.g. testing …” „… certificate can be issued. This project will develop a new application of the TraCIM online validation system …”

X. Zheng, Y. Hu FE analysis and predication on the traveling wave – resonance of aero-gears S. 915-926

„… aerospace application. In high-speed transmission, inevitable transverse excitations will generate traveling …” „… vibration situations. However, insights of the traveling wave VDI-Berichte Nr. 2389, 2022 915 resonance of …” „… Machine Theory，2011，46：544-557. [8] EI Morsy, Achtenova Gabriela. Application of Order Analysis for Gear …”

M. Weigand, C. Gachot Improved rotorcraft drivetrain safety and related research with special focus on improved lubricants for rotorcraft transmissions S. 561-572

„… one hand application-oriented teaching and research as well as unbiased expertise in the field of …” „… to loss of autorotation capability. Figure 5 illustrates this situation: Fig. 5 …” „… research application is pending, aiming at the development of grease-/lubricant-free bearings for …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… the simulation at a low speed in a cold start situation shows good agreement with flow patterns of the …” „… losses become more prominent with increasing rotational speed and decreasing load – a typical situation …” „… for gearbox applications. In this work, a segment-based mesh representation is utilized to treat …”

S. Matkovič, M. Kalin, A. Pogačnik Dimensional stability of moulded polymer gears under various environmental conditions S. 1061-1070

„… gearbox applications, operating under different environmental conditions. Those conditions include varying …” „… gearboxes that employ polymer gears are used in various applications and operate under different …” „… situation, three new polymer gears were used for each material. Table 1: Test material specifications [11 …”

K. Fukanoki, K. Matsuo, Y. Suzuki, K. Fujiki Practical application of asymmetric tooth root geometry for downsizing automotive transmission gears S. 197-214

„… Practical application of asymmetric tooth root geometry for downsizing automotive transmission …” „… input torque and input frequency that occur in real-world driving situations (referred to here as the …” „… application of gears having an asymmetric tooth root radius of curvature in mass production operations will be …”

R. Jaeger, C. Koplin, B. Schluter Lubricated polymer-steel-systems: influence of the surface and interfacial energies of frictional partners on their tribological performance S. 1223-1236

„… increasingly attractive for engineering applications: they are light weight, in comparison to steel or …” „… polymers are so-called “low-carbon-materials”), and in particular in tribological applications polymers …” „… which extent it can represent the “real-life” situation where the mechanical characteristics of a …”

C. Schonke, T. Magdy, K. Daubach, W. Kassem, M. Oehler, O. Koch Simulation of high torque density gearbox noise excitation S. 837-848

„… already built. This situation leads to several problems such as non-conformity costs, retro-fitting and …” „… ). One motor is driven with speed control, the other motor is used for load application and is driven …” „… demonstrating the validity of both approaches on a simple gearbox setup the next step will be the application to …”

P. Abele, J. Hermes, J. Lechner Development of a digital ecosystem for a servo planetary gear unit system to provide design automation opportunities S. 1503-1516

„… maintenance applications in operation. It is obvious that there are engineering-to-order (ETO) sales requests …” „… this situation, it is hardly surprising that in the next step the sales department demands the …” „… tables describing the parametrized dimensions. For the purpose of the application of this methodology …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… use in industry applications for many decades. When designing a plastic gear, the main challenges are …” „… . Application of the experimental data in the gear simulationThe experimental results from the tribological …” „… in a changed contact situation between the gear pair which can no longer be determined using the …”

G. Klein New chamfer cutting solutions for cylindrical gears: gaining productivity and flexibility S. 1397-1410

„… , especially with edge load situations, material can break off and hardened particles can reduce transmission …” „… in size, shape and angle. To comply with different application requirements chamfer rolling tool …”

J. Thomas, C. Gosselin, F. Mieth Design, strength calculation by ISO10300 and loaded TCA of forged differential bevel gears S. 157-170

„… corresponds to a typical application for medium size trucks. The gear data (macro geometry) and sketches are …” „… situation is completely different as rotating speed appears only when there is a difference in the speeds of …”

W. Kassem, M. Oehler, B. Sauer, S. Schmidt, J. Hausmann Investigation of the time-dependent behavior of plastic gears with local tribological simulation S. 1281-1294

„… increasingly in applications in the automotive industry, for example [2]. The biggest advantage over steel …” „… . This results in a changed contact situation between the gear pair, which can no longer be determined …” „… removed, the changed contact situation also causes wear on the pitch diameter ? . It can also be seen that …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - Commercial Vehicles 2023

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VDI Wissensforum GmbH (Hrsg.)

Commercial Vehicles 2023

Reihe: VDI-Berichte

Band 2417 2023

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T. Kattenberg, D. Rasch Wheel slip control in electric vehicles – Combining the advantages of electric drives and friction brakes S. 229-240

„… limits and the brake application need to be harmonized. Fig. 5: Central drives in µ-split situations …” „… application by the EBS In braking situations with high brake torque requirements a combined brake and eDrive …” „… launching without noticeable wheel- and drivetrain-oscillations, also in situations with different friction …”

J. Heseding, P. Meyer-Roesler, D. Rasch Virtual Type-IIa – Software product for homologation of commercial vehicle BEV without additional hardware S. 93-104

„… devices are rarely active since NEV are still energy consuming devices and therefore in most situations …” „… endurance braking in situations dependent on real world conditions. The objective of any intelligent …” „… obtained. The data represents different applications like long haul and regional delivery as well as …”

A. Jacquemart-Purson, A. J. Sprung, T. Ille, S. Escherle ANITA Integration autonomous trucks in an intermodal Hub – Starting the automatization of logistic hubs S. 13-24

„… question of application arises. How can these new types of vehicles be integrated into the logistic process …” „… project " Autonome Innovation im Terminalablauf ". This is an application-oriented research project aimed …” „… real operating conditions answers some, essential technical questions in the future application of …”

M. Sommer, E. Sax, T. Rösch Fleet data used for self-learning functions in commercial vehicles S. 81-92

„… functions in commercial vehicles has steadily increased over the years with applications in advanced …” „… remains representative over time, as new and unpredictable situations arise. On the other hand, online …” „… disadvantages, and the choice of which approach to use depends on the specific application and use case (see …”

M. Wöhrmann The air must get out of the truck, bus and trailer – Why hydro-pneumatic suspension systems are the future for electrified vehicles S. 165-176

„… situation is different for commercial vehicles. Hydro-pneumatic suspension systems are used when the …” „… 160 bar, depending on the application, so that the area requirement can also be reduced by this ratio …” „… applications. In order to achieve the set climate targets, the mobility sector must also significantly reduce …”

F. Schweizer, T. Pflanz, M. Wagenblast, W. Tegethoff, J. Köhler, F. Breuer, L. Frerichs Fuel cell electric drive concept for heavy-duty commercial vehicles S. 123-140

„… vehicle application, the challenges include the technological maturity of fuel cell systems when it comes …” „… application are a high range of more than 500 km and a continuous output of more than 300 kW. Such a high …” „… fuel cell systems were initially developed for passenger car appli-cations and offer the possibility of …”

F. Beringhoff, C. Rösener A Method for Automatic Test Realization for Automated Vehicles S. 179-190

„… einer interessanten Situation. Dies stellt die Testrealisatoren vor die Herausforderung, die Startszene …” „… is tested in pre-defined, potential challenging situations. The scenario-based approach is mainly …” „… integration testing relevant aspects, as for example situations in which a complex interplay between ECUs …”

A. Malczyk, M. Kühn, P. König Faster Evacuation from Coaches – What are the Obstacles? S. 261-0

„… which exits were used as an egress in an emergency situation and provided demographic data of the bus …” „… for automotive applications. The 38 participants in the trials were asked to sit in one of the two …”

P. Akerman, A. Rupprecht Dynamic charging for trucks S. 35-46

„… only) sensible application of ERS [9]. Apart from improving the air quality fundamentally the …” „… Germany alone [13] (and similar situations on other continents [14], leading to dangerous conditions where …”

K. Beck, H. Flämig, R. Höger, R. Schindhelm Non-driving related activities in heavy goods vehicles with SAE Level 3 and 4 – An attempt to systematise S. 205-216

„… in which NDRA in the application case of heavy goods vehicles are listed and formally structured. In …” „… suitability assessment. The focus of the list of NDRA is on economic activities in the application case of …” „… application examples, the use as an orientation aid under which aspects NDRA can be considered suitable, the …”

doi.org/10.51202/9783181024171

VDI Wissensforum GmbH - Technische Zuverlässigkeit 2021

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VDI Wissensforum GmbH (Hrsg.)

Technische Zuverlässigkeit 2021

Reihe: VDI-Berichte

Band 2377 2021

Treffer in den folgenden Teilen:

T. Kain, A. Mehlhorn, T. Horeis, J. Heinrich, H. Tompits Ein Ansatz zur Wiederherstellung ausgefallener Hardwarekomponenten in Fail-Operational Architekturen – Eine Erweiterung von FDIRO S. 297-308

„… Prozesse benötigt, die Fehler behandeln und somit gefährliche Situationen vermeiden können. Ein …” „… to be equipped with mechanisms that can handle failures to prevent hazardous situations. To address …” „… application-placement optimization. At the current stage of development, FDIRO implements a redundancy-recovery …”

doi.org/10.51202/9783181023778

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2017

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

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

„… Validation approach of PM gears for eDrive applications Björn Leupold, Vitali Janzen, Dr. Gerd …” „… use of sintered gears in highly loaded applications like automotive transmissions, advanced net shape …” „… generation [8] - [11] towards demonstrator applications and PM gear validations on transmissions [12] - [14 …”

A. Lohrengel, M. Heß Thrust cone bearings provide increased efficiency for helical gear units at moderate speed levels – Indications for possible energy saving potential in an expanded field of application S. 231-242

„… Indications for possible energy saving potential in an expanded field of application Druckkammlager bieten …” „… investigations consider three aspects which appear relevant to extend the field of possible applications for …” „… significantly for future applications. Kurzfassung Druckkammlager sind eine elegante Möglichkeit zur …”

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

„… Material Data for Advanced Plastic Gear Simulation Julien Cathelin, Application Technology …” „… plastic materials for their gear applications. However, the task is not easy. There is no international …” „… applications like automotive, robotic, office machines, household, health care… The main drivers for their …”

J. J. Liou, S. Rakuff The development of worm drives S. 503-516

„… Vinci (1452-1519). Significant breakthroughs achieved for high speed applications in the 20th century …” „… applications where (1) noise is a concern, (2) space is limited, (3) absorption of shock loading is required …” „… shock or vibration, which is the typical case for many applications, the drive can be no-longer …”

C. Brecher, C. Löpenhaus, J. Brimmers Potential of free flank modifications for beveloid gears S. 553-564

„… into the spotlight. Fig. 1 shows possible applications for beveloid gears. Beveloid gears are used for …” „… marine transmissions, for the application within four wheel drive vehicles and robot transmissions …” „… transmissions Fig. 1: Applications of Beveloid Gears Fig. 2 depicts the comparison of the contact pattern …”

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

„… A contribution to the NVH behavior of plastic gears in automotive applications Dr.-Ing. J …” „… comfort applications is getting more and more important. This paper will give an overview of the current …” „… applications in the car. Seat adjusters, electric parking brakes (EPB), electric power steering system (EPS …”

C. Gosselin, E. Fritz, L. Seiler CnC manufacturing of circular faced cylindrical gears S. 1343-1352

„… lubrication. An application demonstrates actual Spurved gear sets cut on a CnC machine using standard Face …” „… making them interesting for certain parallel shaft applications where increased tooth bending stiffness …” „… to guarantee relief at contact entry and exit. An application example shows the excellent agreement …”

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

„… very popular as for example in the case of wind turbine applications, home automation ones and …” „… assume divergence of the iterative scheme. This situation is due to possible parametric instabilities …” „… obtained by RK4 scheme. Parameters of the geared system for the application are given in table 1. We also …”

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

„… manufacturing components in many applications. The reason is the high productivity of geometrically complex …” „… attractive. Moreover, PM gears have been produced for many years and for different applications. Even though …” „… applications without the extra last step of hard finishing. This step can be skipped if a good surface can be …”

L. Gondecki, M. Weibring, P. Tenberge Simulation and test method for the lubricant’s influence on the wear and fatigue mechanisms on tooth flanks S. 29-40

„… several investigations of gearboxes in different applications, a limiting criterion is stated …” „… . Nevertheless, in several industrial applications, gearboxes are operated under conditions in which the specific …” „… progress in a certain application is possible. 2. Wear and fatigue model of the tooth flank surface The …”

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

„… analysis. For a drive train, the situation is even worse: Gear strength is expressed in safety factors for …” „… application rules – higher than 1. Basically, for all other machine elements as shafts, bolts, housings …” „… , looking at the reliability graph in Fig. 2, the situation is different. The leftmost first curve of …”

M. Shuai, M. Shuai, J. Guoguang, Z. Yidu, L. Chao, H. Haruo Research on multiple-split load sharing characteristics of 2-stage external meshing star gearing system S. 769-782

„… , to achieve the purpose of share loading, as shown in the situation (a) (c); if the amount of …” „… distribution of star gear is uneven, load sharing effect is bad, as shown in the situation (b) (d ). The force …” „… , 2008, 130(4): 041701-1-9． [11] Singh A．Application of a system level model to study the planetary …”

R. Müller, L. Schirmer New tolerance concepts for the realization of steel-only worm gears S. 467-478

„… lead partner PTJ Projektträger Jülich under the funding code 03X3576G. 1. Initial situation and …” „… the tolerance management, it is to say that the application and combination of different methods of …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - Powertrain Systems in Mobile Machines 2022

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VDI Wissensforum GmbH (Hrsg.)

Powertrain Systems in Mobile Machines 2022

Reihe: VDI-Berichte

Band 2402 2022

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R. Morrison, J. Legner Future Electrified Drivetrain for Off-Highway in the 60-80kW Power Range S. 163-170

„… variety of applications which are not strictly confined to the urban environment. Potential vehicles in …” „… are being designed and developed at ZF for all main off-highway applications, including utility class …” „… depending on the application. A fully electric transmission using a single speed, and an electric motor …”

M. Pußack, L. Frerichs Electrification of linear positioning and working functions in mobile machines S. 199-210

„… ac-tuation. Examples are presented based on the revision of two applications. The positioning actuator of a …” „… power implemented on mobile machines to date is mainly used to supply rotary applications. For linear …” „… applications, the existing hydraulic drive solutions are often continued in an adapted form. This is due to a …”

E. Schobesberger The Off-Highway Machine of the future – concepts of alternative drive technologies S. 1-12

„… due to the wide range of mobile machinery and the diversity of applications. VDI-Berichte Nr. 2402 …” „… the machines. In other applications, e.g. in the industrial environment, the infrastructural …” „… therefore essential to analyse the requirements of each specific application in detail in order to find …”

T. Bögel, T. Herlitzius Wann kommen elektrifizierte und sensorgesteuerte Antriebssystemmodule in der Landtechnik? S. 211-222

„… represents a future-proof development direction. Current situation The power supply of mobile work machines …” „… the application area of mobile work machines, this means:  Local freedom from emissions must be …” „… strived for in more and more applications of mobile working machines, this applies in particular in urban …”

L. Serrao Driving the electric transformation – The evolution of off-highway powertrain S. 135-150

„… motors for traction, even in off-highway applications, can reach 10000 or even 15000 RPM, compared to …” „… trans-missions, with fewer speeds, compared to ICE applications. e) Electric motors are fully reversible, so …” „… compared to those for ICE applications. f) Electric motor performance is strongly dependent on thermal …”

S. Rinderknecht, S. Foulard, R. Fietzek Resource-efficient dimensioning, usage and maintenance of machine components through AI-based virtual sensors S. 241-0

„… applications cover for instance mass estima-tion, powertrain torque, chassis forces, capacity of traction …” „… using state-of-art IT infrastructure or directly in the vehicles via edge application. Automatic …” „… auto-matic parameterization pipeline for virtual sensors can be requested by an Application Pro-gramming …”

doi.org/10.51202/9783181024027

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