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VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

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

„… Load distribution in planetary gears considering effects of manufacturing tolerances with a …” „… position, caused by the manufacturing process, the resulting distribution and their frequency instead of …” „… result in the load distribution of a transmission appear to be special multilayeredly because they are …”

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 …” „… challenging task to account for backlash and manufacturing errors although they have a crucial impact. There …” „… system featuring helical gears with backlash and manufacturing errors is used to demonstrate the …”

H. Hansson, H. Alm, A. Eng, M. Olsson Beveloid gears in planetary gear trains for increased Grundström, power density and reduced backlash Stensson, S. 579-590

„… general the uneven load distribution introduced due to manufacturing and assembly errors increases with …” „… distribution factor simulations show that a balanced gear train with for example 6 planetary gears may reduce …” „… mesh is 1/n times the total torque, where n is the number of planets. However due to manufacturing and …”

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

„… error, gear thickness error, base pitch error, assembly error, and bearing manufacturing error of gear …” „… for proper tolerance distribution and control in design and process. Keywords: displacement …” „… studied the relationship between the error and the load distribution in planetary transmissions systems[1 …”

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

„… made out of bronze. The bronze wears down while compensating manufacturing and assembly tolerances …” „… consortium consisted of partners with background in design, manufacturing, hardening, coating, lubrication …” „… processes. Manufacturing Key Characteristics (MKC) are realized in manufacturing and describe basic …”

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

„… development in terms of material as well as manufacturing technology, epicyclical gearings function as torque …” „… standard constructions using one torque input and output, are summation and distribution gears. Wind …” „… about the whole system with a detailed load distribution along the path of contact of all tooth …”

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

„… studies are used to apply optimized tooth modifications as well as to verify load distribution for …” „… the manufacturing process was ensured by VDI-Berichte Nr. 2294, 2017 1085 applying four audits per …” „… released the processes. Continuously the manufacturing processes’ quality is improved. Meanwhile the 100th …”

Titelei/Inhaltsverzeichnis

„… distribution in planetary gears considering effects of 783 manufacturing tolerances with a statistical …” „… Material D. Talbot, Simulation of gear wear using a dynamic load 5 A. Kahraman distribution model M. Ebner …” „… manufacturing N. Drivakos, deviations I. Nerantzis B. Schlecht, Tooth contact analysis under load on double …”

C. Andersson Grinding or shaving? – Performance based economic decision support in the manufacturing of gears S. 1353-1364

„… Grinding or shaving? – Performance based economic decision support in the manufacturing of gears …” „… manufacturing. In the study different cost models are compared regarding input parameters in alignment with the …” „… Staying competitive on an increasingly globalized market requires an updated manufacturing strategy …”

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

„… transmissions (Fig. 1). Fig. 1: Global distribution of mechanical power drives in which worm drives make …” „… . The manufacturing methods of steel worms rely on the tread profile selected. Worms now can be turned …” „… an included angle equal to two times the pressure angle of the worm. After manufacturing, worms …”

B. Schlecht, C. Ulrich, J. Bräunig Investigations on the influence of anisotropic material properties of gear teeth on their macroscopic behavior S. 659-668

„… resource-efficient drive technologies is provided by cold-rolling for the manufacturing of gear teeth, which has now …” „… products” [1]. Innovative gear rolling technologies as well as additive manufacturing are important …” „… to prove the anisotropic properties caused by the non-stochastic orientation distribution of the …”

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

„… distribution of the resulting friction force or friction energy onto the friction mechanisms is only possible …” „… external grinding. On the basis of a statistical distribution of the cutting grains, an empirical …” „… distribution functions which are not given. WERNER developed an empirical-analytical model for the calculation …”

J. Langhart, I. Zotos, G. Franzoso Casing stiffness variations and influence on the gear meshing properties S. 1161-1168

„… on the load distribution is observed. Furthermore, the usual manufacturing tolerances for housings …” „… controversial discussion arose, how important the influence of the housing deformation on the load distribution …” „… distribution calculation and thus the determination of the profile modifications. The casing deformation is …”

P. Norgauer, W. Sigmund, D. Kadach, K. Stahl Comprehensive simulation methods for crossed helical gear sets with the main focus on the calculation of contact patterns S. 353-362

„… manufacturing simulation. A modification of the tooth profile in the area of the tooth tip and tooth root is …” „… load distribution of crossed helical gears has been developed by FZG. Thereby influences from …” „… load distribution forms the basis for the calculation of specific local parameters such as Hertzian …”

B. Schlecht, F. Rudolph, S. Schumann Experimental studies and simulation of hypoid gear lapping S. 1403-1414

„… calculate local wear on hypoid gear flanks from the contact stress and sliding velocity distributions. The …” „… surrounding areas as well as the margins of the pressure distribution itself. In the lapping simulation …” „… the load distribution along the contact line depends on the flank topology, a constant line load may …”

P. Kauffmann, P. Schäflein, V. Heuer PM technology for the future powertrain S. 1289-1298

„… manufacturing technologies to upcoming tide. Stackpole’s powder metal technology has developed into a cost …” „… . Optimization of just one single step in manufacturing is considered being of secondary importance compared …” „… with optimization of the whole production process. This approach is used for rethinking manufacturing …”

M. Baar, P. Oster, T. Tobie, K. Stahl Theoretical investigations of the load distribution of small sized crown gear sets different material pairings S. 1593-1610

„… mesh The calculation of the load distribution bases on ideal tooth systems without manufacturing or …” „… Theoretical investigations of the load distribution of small sized crown gear sets different …” „… calculation of the load distribution on the flank of crown gears, based on the theory according Placzek [5 …”

E. Chiappetta, D. Morrey Non-standard spur gear tooth profiles for improved epicyclic gear system performance in low speed applications S. 825-834

„… manufacturing processes such as the condition of undercutting. Contour plots for the two gear pairs …” „… by the manufacturing process and is defined as follows [6,7]: ∗ . ( 2 ) In order to ensure a …” „… the boundaries imposed by functional and manufacturing limitations as described in the previous …”

O. Berka, M. Dub, F. Lopot Experimental measurement of gears impact in transmission S. 1119-1126

„… . Fig. 2: Loading distribution across the tooth width In the figure, the typical course of the stress …” „… distribution on teeth during gear operation. The KHβ coefficient is then calculated directly from real data …” „… : Load distribution The final phase of the data processing resulting in the graph displaying the loading …”

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

„… robustness of solution to manufacturing errors is evaluated by performing Monte Carlo simulations for a …” „… thousand samples of random manufacturing errors. A statistical analysis of the RMS values of the mesh …” „… performed in order to check the robustness of results to manufacturing errors. VDI-Berichte Nr. 2294, 2017 …”

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

„… geometry the conjugate flank cannot be manufactured with standard manufacturing processes. Standard …” „… (crowning, angle deviation) as well as manufacturing-related systematic deviations (twist) can further …” „… improve the operating behavior. Therefore, a design method and manufacturing simulation for free flank …”

H. Schreiber, T. Röthlingshöfer Kinematic classification of a gearbox comprising separate thrusted teeth and its advantages regarding existing approaches S. 267-280

„… distribution of the resulting forces, normally two discs are set on top of each other and are position with an …” „… . 2.1-2: FE-Simulation for the load distribution under maximum acceleration torque © WITTENSTEIN …” „… numbers of load cycles. There still can be seen some manufacturing marks in the contact area of both …”

L. Zhao, R. C. Frazer, B. A. Shaw The influence of overlap ratio on transmission error in parallel axis gears S. 939-952

„… caused by manufacturing deviations. Keywords Transmission error, overlap ratio, involute gears, 3 …” „… cost of both running and manufacturing of mechanical power transmission systems because of their high …” „… definition But in practise, because of manufacturing deviations, assembly errors, elastic tooth deflection …”

A. Kahraman, H. Ligata Effects of external splines on deformations of ring gears of planetary gear sets S. 341-352

„… sensitivity to certain manufacturing errors [1-8], might result in large rim deflections of the ring …” „… on unequal planet load sharing caused by manufacturing errors [1-8], dynamic behavior (e.g. Refs …” „… for achieving the desired manufacturing accuracy. Similarly, the planet carriers designed to hold 3 …”

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

„… manufacturing conditions such as temperature distributions in the workpiece, dynamic errors in machine motions …” „… a feedback to the manufacturing process and for a performance assessment of gears. An areal …” „… of the manufacturing process as well as an assessment of functional properties. The calculation of …”

B. Kohn, T. Utakapan, M. Fromberger, M. Otto, K. Stahl Flank modifications for optimal excitation behaviour S. 1319-1330

„… in the mesh, they can be designed separately after the load distribution was optimized. Theoretical …” „… distribution with respect to the elastic deformations of the system and thus consist of various combinations …” „… favourable pressure distribution at a nominal load or for a specific load spectrum. However, modifications …”

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

„… required values for gear masses, total teeth deformations and load distribution. Obtained results for …” „… total mesh stiffness and normal load distribution, which depend on time and external load, are …” „… total mesh stiffness and normal load distribution are then incorporate in one degree of freedom …”

B. Bauer, R. Hambrecht, A. Kube Thermal analysis and optimization of gearboxes by simulation S. 917-926

„… continuous increase of power density. New and better materials, enhanced manufacturing technologies and …” „… , contains a distribution by the oil, goes via wetting of the inside surface of the housing over to the …” „… surface point, an individual heat flow develops. Fig. 7 illustrates the distribution of the surface …”

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

„… , low coefficients of friction, noise damping behavior and demonstrate low-cost manufacturing by …” „… noise damping behavior and cost savings through injection molding manufacturing. However, different …” „… energy conservation equation for constant pressure and film thickness distributions to obtain the …”

S. T. Ping, Y. M. Shao, L. M. Wang, H. W. Li, J. Xu, Y. Cheng, J. Liu The influence of mesh misalignment on planetary gear set with time-varying mesh stiffness S. 219-230

„… line and the load distribution due to mesh misalignment are obtained by dividing the tooth into …” „… of manufacturing errors and assembly variations on dynamic load sharing factor [1]. Velex proposed a …” „… Influence of manufacturing errors on the planetary gear stresses and planet load sharing [5]. Hotait …”

M. Daffner, M. Otto, K. Stahl Elastic deformation of a hypoid gearbox – Measurements on a static test rig to validate the calculated elastic deformation behavior S. 683-694

„… . 2294, 2017 683 1 Introduction Precise information about the load distribution in the tooth contact can …” „… hypoid gear stages, the load distribution in the tooth contact depends on the relative displacements of …” „… load distribution is a necessary condition to assess the load capacity of hypoid gear stages …”

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

„… for these drive trains are the inaccuracies which appear during the manufacturing of their machine …” „… during the assembly process of the components. The distribution of the loading between the planetary …” „… , conducting functional and reliability tests, executing corrections if necessary and manufacturing the market …”

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

„… after the primary manufacturing process (pressing of powder particles-sintering). To reduce the …” „… manufacturing components in many applications. The reason is the high productivity of geometrically complex …” „… process. The stages for manufacturing a component without secondary operations VDI-Berichte Nr. 2294 …”

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

„… conditions, more specifically the load and pressure distribution. The following article illustrates an …” „… distribution, additionally affecting the failure mode itself. In order to reliably predict how this affects the …” „… load and pressure distribution considering macro and micro gear geometry. Furthermore, the local load …”

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

„… which the grinding grooves from the manufacturing process are still visible. The surface characteristic …” „… areas as well as the calculation of the load and pressure distribution along the pass of contact. This …” „… local removal of material at a certain point on the tooth flank directly changes the load distribution …”

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

„… load capacity [5]. Börner therefore concluded that for a known load distribution, the load capacity of …” „… distribution, as well as rolling behavior in general [12]. Zimmer developed [21] a software to calculate the 3 …” „… distribution along the VDI-Berichte Nr. 2294, 2017 567 face width must be considered from perspectives of the …”

D. Krüger, E. Leidich, I. Römhild, R. Heß, H. Linke Geometry, pitting and tooth root capacity of asymmetric gears S. 751-768

„… manufacturing of gears. For a hob without protuberance the tool profile consists of two straight sections …” „… addendum of the hob Other methods often used for gear manufacturing are shaping, skiving or form milling …” „… of the lubricant film on the contact stress distribution. For involute gears which have a basic rack …”

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

„… success are their low manufacturing cost, related to mass production technique like injection molding …” „… properties, lower thermal properties and lower manufacturing tolerances which limit their usage [2 …” „… , teeth worn profile and its influence on tooth root stress distribution are investigated and optimized …”

X. Kai, L. Guolong A compensation method of tooth surface error in continuous generating grinding based on the virtual-axis S. 1153-1160

„… on virtual-axis is proposed in this paper. Firstly, for the condition that the distribution of the …” „… designed and taken as a new manufacturing object. Finally, the grinding wheel dressing and motion …”

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

„… caused by micropitting may lead to a better load distribution along the tooth flank and an increased …” „… modifications for a good load distribution can be derived. [13] The occurrence of micropitting is strongly …” „… gears have the same design as the actual gear pair. Additionally, the gear manufacturing, gear accuracy …”

L. Liu Tooth contact analysis of a new type of face gear drive S. 457-466

„… , which causes uneven distribution of load along the tooth width face, and machining and installation …” „… is similar to the gear with drum teeth in the drum tooth coupling [5]. But their manufacturing …” „… surface, which is prone to cause uneven distribution of load along the facewidth and even edge contact …”

E. Rigaud, P.-H. Cornuault, B. Bazin, E. Grandais-Menant Prediction of the vibroacoustic response of an electric window-lift gear motor S. 635-648

„… spatial distribution of the normal and tangential magnetic fields Bn and Bt in the air gap (between 0 and …” „… ) fluctuation [2] and resulting from tooth deflections and manufacturing errors. STE is periodic at the mesh …” „… , STE and mesh stiffness fluctuations. Gear wheel eccentricity Manufacturing and mounting errors of …”

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

„… . The lubricating gap height is determined under the assumption of a Hertzian pressure distribution …” „… worn tooth flank surfaces which have been processed by the same manufacturing method, a similar …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - PIAE EUROPE 2021

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VDI Wissensforum GmbH (ed.)

PIAE EUROPE 2021

Series: VDI-Berichte

Volume 2385 2021

Results in this title

S. Jana, F. Ehrhart, M. Bromberger The History of Integrative Simulation from Laboratories to all Designers’ Desktops S. 113-128

„… , and determining feasibility and manufacturing costs. Here, to attain the desired properties …” „… enables early determination of manufacturing alternatives for a typical part made of polymer reinforced …” „… factoring in manufacturing design rules, automatic creation of geometry, part performance, and …”

Daniel Kugele, Sebastan Mönnich, Cigdem Belgeli Development and validation of a simulation methodology for the prediction of surface defects for plastic components with metallic effect pigments S. 89-100

„… the metallic effect pigments, which already establishes itself in the manufacturing process. Fig. 2 …” „… second-order tensors to describe orientation distributions [2], two model parameters are available to the user …” „… all models, the model coefficients can be used to influence the orientation distribution that is set …”

J. Horn, S. Pirl, M. Gehringer, F. Förster Interior parts with a focus on climate – A pleasant feel thanks to thermoplastic foam S. 129-144

„… layers of different material groups, which means complex manufacturing processes with corresponding …” „… control a homogeneous temperature and pressure distribution in the mold cavity. The homogeneity of the …” „… pressure conditions prevailing at the time of expansion as well as on a homogeneous distribution of the …”

doi.org/10.51202/9783181023853

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

Results in this title

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

„… manufacturing errors Application of the Method of Monte Carlo to the gear manufacturing process in planetary …” „… manufacturing errors, more precisely, the tooth thickness and pinhole position errors. This study is performed …” „… which the manufacturing errors lead to mesh load factor results that do not comply with the standard set …”

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

„… , how manufacturing deviations affect the NVH and/or load distribution behavior of gears. 1.2 …” „… Impact of manufacturing deviations on the NVH behavior of modern gear design concepts Dr. Ulrich …” „… line modifications are applied to achieve an optimum stress distribution and/or reduced stiffness …”

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 …” „… phenomena with the gear manufacturing chain places a significant challenge to the gear industry. Therefore …”

O. Harris, C. Poyser, R. Patel, O. Shires Developing CAE solutions for Robotics gears: Cycloidal and Strain Wave Gear Drives S. 1111-1124

„… with a system model of the disc, supporting shafts and bearings. A comparison of load distribution and …” „… shaft and bearing models and allows the application of manufacturing and assembly errors such as is …” „… engineer needs to evaluate the robustness of multiple designs with respect to manufacturing errors. To run …”

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

„… load sharing on the individual planetary gears and especially of the load distribution of the meshing …” „… gears is of major importance. A uniform load distribution enables the design of the individual tooth …” „… meshes without load increases and oversizing. However, a varying load distribution has been observed in …”

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

„… The effect of gear manufacturing quality on the mechanical and thermal state of a plastic …” „… , Ljubljana, Slovenia Abstract Gear manufacturing errors affect the load sharing between the meshing gears as …” „… also the load distribution along the tooth’s width. High quality grades are especially hard to achieve …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… different local density distribution in the component and the potential integration of secondary design …” „… NVH-behavior of a gear. PM gears may be manufactured by both, die pressing and additive manufacturing (AM). The …” „… powder bed-based additive manufacturing processes for metals can be classified into binder-based (e.g …”

A. Donmez, A. Kahraman Experimental Investigation of Influence of Indexing Errors on Gear Rattling S. 703-714

„… is external excitations, variation of backlash boundaries due to certain manufacturing errors can …” „… (backlash magnitude [9], meshing arrangement [3,6]) in the absence of any tangible manufacturing errors …” „… level of manufacturing errors modifying the contact conditions of gear pairs. Such errors can be grouped …”

T. Schmid-Schirling, N. Saum, C. Eberz de Oliveira Löhrer Marker-Free, Single Item Traceability in Gear Wheel Production Based on Inherent Surface Patterns S. 1877-0

„… typically undergo several surface changing processes in manufacturing like hardening and grinding. Often …” „… usually result in a coherent distribution about a similarity value of around 0.5. The one fingerprint that …” „… distribution of all other components in units of the standard deviation . Fig. 2: Exemplary histogram of the …”

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

„… robust gears with lower cost, three aspects have to be considered. The modelling, manufacturing and …” „… examining a large number of tests, the characteristic type of distribution can be inferred. Stahl in FVA 304 …” „… [1] summarises several results, that are used to estimate the distribution of the strength of the …”

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… catastrophic and unrepairable. Direct Laser Deposition (DLD) is an Additive Manufacturing process that could …” „… ) Plastic deformation (e.g., indentation and fracture after plastic deformation); (5) Manufacturing issues …” „… particular cases. In recent years, an approach strongly driven by advances in Additive Manufacturing (AM …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… electromobility requirements for gears in terms of materials and product design. iSLS manufacturing allows for …” „… manufacturing. However, there are still challenges regarding the processability of iSLS with carburizing alloy …” „… Manufacturing (AM), considered one of the technological pillars of Industry 4.0, can enable solutions in terms …”

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

„… manufacturing or assembly deviations. However, the effects of dynamic misalignment behavior on tooth contacts in …” „… overdetermination, in conjunction with manufacturing deviations, has the effect of uneven load sharing between the …” „… density and the highest demands on manufacturing quality. In contrast to simple planetary gears, the …”

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

„… applicationand stress distributionFig. 4: Load application in thecalculation modelThe calculation model is based …” „… this gap. The stresses resulting from different load distributions in the tooth contact due to assembly …” „… factor YS, the factor Yβ for the irregular load distribution along the contact lines in helical gears …”

Titelei/Inhaltsverzeichnis

„… | 15:31:04 | 148 mm x 210 mm Planetary gears: Load distributionParametric system simulation of load sharing …” „… factor of planetary gear transmissions affected by inherent manufacturing errors 139J. Sanchez-Espiga, A …” „… Deutschland GmbH, München, GermanyImpact of manufacturing deviations on the NVH behavior of modern gear …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… , its manufacturing-related deviations and tolerances. In order to validate this VDI-Berichte Nr. 2422 …” „… manufacture. In addition to the manufacturing of common cylindrical gears, during beveloid manufacturing the …” „… manufacture different profile shifts. Contradictory to the simplicity of manufacturing, the design of a …”

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

„… polymer gears D. Gallagher, E. Wiita, R. Weidig, Victrex Manufacturing Ltd., Thornton Cleveleys, United …” „… . Another noticeable challenge of manufacturing gears by injection moulding is differential shrinkage …” „… f(Load Distribution Influence Factor), first appearing in the 2019 edition of ISO 6336-3 [10 …”

B. Abert, D. Werner The Influence of Wheel Body Design on Airborne Noise S. 357-366

„… and manufacturing. Transmission error has the greatest influence on gear noise. This is a result of …” „… a structural vibration and hence noise contributor. The face load distribution in the tooth mesh …” „… body geometry in the load and pressure distribution and in the excitation behavior. It also includes a …”

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

„… excitation loads at the corresponding bearing stations. Finally, the distribution of the sound pressure level …” „… , possible mesh interference [34, 35] (e.g., a premature mesh engagement), manufacturing deviations (e.g …” „… density distribution) is simply evaluable. On top, a subsequent (“weakly coupled”) acoustic investigation …”

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

„… helicopter design and over a century of manufacturing and flying aircrafts. Nevertheless the effort in …” „… order to: o witness the distribution of the debris on the chip detector o measure the amount of …” „… coming from surface treatments and other manufacturing processes and all other applicable loading …”

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

„… calculating, for each load level, the experimental lifetime under the assumption of a log-normal distribution …” „… estimation of the statistical distribution associated with the experimental evidence and statistics of …” „… extremes (SoE) for the elaboration of such distribution in order to represent the gear. The first tool is …”

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

„… gears, tooth flank stress and coating thickness distributionFollowing gear manufacturing, the gears were …” „… manufacturing steps of turning, hobbing, deburring, case hardening and grinding, the surface roughness of the …” „… the profile direction are to be expected. To quantify the coating thickness distribution over the …”

T. Kleiber, B. Neubauer Advancing to The Next Level – Cost Efficient Roll-Inspection: Back from End-of-Line NVH to Skiving Process S. 1591-1606

„… ) results can be identified early in manufacturing process and root causes like tool errors or clamping …” „… internal gears. Internal gear skiving technology is en vogue in E-Mobility gear manufacturing due to its …” „… of just 10% Type B gears (part no. 75 to 325). The lower graph displays the distribution was …”

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

„… raw material exploitation. Furthermore defining manufacturing methods decides on energy consumption …” „… and emissions during production. In the distribution phase decisions on logistic aspects are made and …” „… recyclability is also linked to the choice of materials and manufacturing methods. Last but not least in between …”

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

„… teeth has never been verified experimentally, partly because of the manufacturing difficulties. Modern 3 …” „… consequence here of the height uncertainty for the PLA wheel. Also, the mass distribution, and therefore …” „… velocity. In the absence of a ramp ( 0 mm), the pressure coefficient distribution is independent of speed …”

A. I. Aydeniz Modelling and Analysis of the Effect of Root Modification on Load Sharing and Stress Values on Spur Gears S. 1039-1062

„… , this problem is quite complex due to the complexity of the gear mechanism and unavoidable manufacturing …” „… [1-7]. Although the model, which is the subject of the study, accepts the load distribution along the …” „… performed by simulating the manufacturing process. In this way, profile coordinates can be calculated point …”

M. J. Herberger, F. Rudolph, B. Sievers Efficient concepts for high ratio angular gearboxes S. 801-814

„… manufacturing deviations and elastic deformations by operating loads. This leads to a displacement of the …” „… example the distribution of measured power loss shares for a W37 gearbox with a rather high ratio of …” „… grade an optimization of load independent losses is reasonable. Fig. 3: Distribution of power loss …”

T. Inoue, D. Iba, N. Fujita, A. Nishikawa, M. Ishii, J. Hu, H. Shimasaki, N. Miura, A. Masuda, I. Moriwaki, J. Hongu Effect of Load Cycles on Return Loss and Resistance of Sensor and Antenna Circuits Printed on Plastic Gears S. 659-674

„… on this gear for manufacturing the smart gear. Figure 1 shows the MC901 gear.Fig. 1: MC901 …” „… Systems and Manufacturing, Vol.17, January 2023, 10.1299/jamdsm.2023jamdsm0026. [4] F. Combet, L. Gelman …” „… Distribution by Multi-Point Pressure Sensor with Shared Lead Films), Transactions of the JSME Series C (In …”

J. Hongu, S. Hattori, J. Kato, T. Koide Gear friction coefficient estimation using directional parameter under ATF lubricated condition S. 753-762

„… meshing gear pair; p is the load distribution; and v is the sliding velocity on the contact line. This …” „… study used the Kubo–Umezawa equation [28] to calculate the load distribution that considers the tooth …” „… of Helical Gears with Manufacturing and Alignment Error. Journal of Mechanical Design, Transactions …”

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

„… not provide any information about the lubricant distribution and are not suitable to take into account …” „… losses of gears and the lubricant distribution, the analysis of geared systems is particularly …” „… reliable power losses models for the manufacturing of more and more efficient gearboxes has led many …”

J. Lövenich, M. Zalfen, D. Mevissen, J. Brimmers, C. Brecher Crack growth based tooth root life prediction model – an influence quantity analysis S. 109-124

„… residual stress depth curve and the defect distribution will be included in the lifetime prediction as …” „… by multiple remelting. In the manufacturing chain, there are various variables that influence the …” „… da/dN increases. The surface hardness HV = 750 HV is taken from the manufacturing specifications of the …”

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

„… contact. In the conventional manufacturing of cylindrical gears, the process of profile grinding realizes …” „… / 247.69 187.04 / 248.17 In the manufacturing process profile grinding was used to generate the final tooth …” „… load distribution and the contact points kinematic according to WALKOWIAK [WALK13]. In each mesh …”

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

„… of the rigid tooth flanks. An illustration of this concept and a resulting contact force distribution …” „… manufacturing simulation," in 48th CIRP Conference on Manufacturing Systems (CIRP CMS 2015), 2015. [7] M …”

C. M. C. G. Fernandes, J. M. A. Pinto, D. E. P. Gonçalves, A. R. Silva Reduction of root and flank temperature using a hybrid polymer-metal rack S. 1547-1562

„… density, the dry-running capability and the cheaper manufacturing cost when mass production is applied [1 …” „… costs of manufacturing a hybrid polymer gear using over-moulding technologies which will take place only …” „… distribution problem in the rack tooth can be approached based on a steady-state problem which is governed by …”

M. Gebhardt, A. Rhode, B. Legrady Lubrication improvement at the HS-IS spline shaft interface of a wind turbine gearbox using the smooth particle hydrodynamic method S. 519-536

„… forces resulting from manufacturing tolerances in the planetary stage [9], [10]. In cases with helical …” „… 24.9 g at the far end of the taper, Figure 6. VDI-Berichte Nr. 2422, 2023 525Fig. 6: Distribution of …” „… centrifugal accelerations dwarf gravity regarding the radial distribution of the oil. In addition, the …”

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

„… accurate contact geometry of the bevel gear can be obtained from the BECAL manufacturing simulation or from …” „… used for calculating the load distribution, load carrying capacity, reaction forces, etc. at …” „… extensively verified the load distribution, flank pressure, transmission errors and other parameters …”

A. Wedmann, M. Stein, K. Kniel Large gear metrology at PTB S. 1803-1820

„… requirements. In the case of drivetrain components, for example, manufacturing tolerances are in the micrometer …” „… distribution in the workpiece. The temperature conditions are monitored by many temperature sensors, which are …” „… temperature control to achieve a homogeneous temperature distribution in the measurement standard. A …”

L. Amar Review of the definition of the loads for spur and helical gears in standards and handbooks S. 301-314

„… describes a reference used for the generation manufacturing process not the gear meshing physics. For a gear …” „… Surface Distress [14] AGMA 927-A01 Information Sheet - Load Distribution Factors – Analytical Methods for …”

S.-J. Tsai, Q.-Y. Zhuang, L.-C. Chang Design and analysis of compound stepped planetary gear drives for better transmission performances S. 537-552

„… loading, similar to finite element analysis [9]. The contact pattern with stress distribution of gear …” „… 1.18 1.05 7.1 Transmission errors Without considering manufacturing and assembly errors, the non-loaded …” „… sharing, the influences of the manufacturing/assembly errors and the relevant deformation of the …”

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

„… parameters change the tooth proportion while microgeometry parameters change the load distributions resulting …” „… manufacturing and assembly tolerances • Tooth geometry-associated responses such as undercut criterion generated …”

W. Ramdane, C. Changenet, S. S. Ouali, C. Chevrel-Fraux, P. Casanova Thermal model of a planetary gear set using an isothermal approach S. 451-466

„… distribution of the gearbox’s components during heating and cooling phases. In addition, a thermocouple is …” „… Mechanical Design, Systems, and Manufacturing, 2017, vol. 11, no 6, p. JAMDSM0079 )0* Harris T. A., Rolling …”

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

„… contact analysis (LTCA) to predict load sharing between the mating teeth and the pressure distribution …” „… , manufacturing errors, and misalignments. These problems may result in increased noise levels, vibration, and …” „… helical gear pairs. Journal of Advanced Mechanical Design, Systems, and Manufacturing 3(2), 146–158 (2009 …”

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

„… principle, and studied the manufacturing of asymmetric gears. Sekar et al. [9] proposed a calculation method …” „… manufacturing, has fitted the formula of power loss caused by bearing friction through experiments as shown in …” „… observed that the distribution of asymmetric tooth is more scattered in the design objective space compared …”

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

„… achieve a balanced load distribution, compensate load-dependent tooth deformations and optimize the …” „… deviations due to flank modifications, manufacturing deviations and bending and deflection of the shafts …” „… favorable load distribution at nominal load, while the periodic modification is de-signed to minimize the …”

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

„… parabolic contact line stiffness distribution. This gear mesh stiffness model also considers extension of …” „… system, JSME International Journal Series C Mechanical Systems, Machine Elements and Manufacturing 46 …”

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

„… ISO/TS 10300-20 [7]. Based on a manufacturing simulation and a tooth contact analysis under load, carried …” „… distribution of the test results is assumed in the extended modified Probit method. The determined limit …”

doi.org/10.51202/9783181024225

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OPE Journal

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OPE Volume 12 (2022) Issue 41 ISSN Online: 2366-8040

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Neotech AMT and Nextex Ventures announce partnership in North American market / PragmatIC Semiconductor leads project to develop sustainable manufacturing technologies / Novem Car Interior Design licenses TactoTek technology / Distribution agreement between Heliatek and PETA Engineering S. 6-7

„… ,  readerservice@ope-journal.comDistribution fax:  + 49 69 7595-1820 PragmatIC Semiconductor leads project to develop sustainable …” „… manufacturing technologiesPragmatIC Semiconductor (Cambridge, UK), a world leader in flexible electronics, is …” „… efficiency and reduce the environmental impact of manufacturing operations.Specifically, the funding will …”

Trustworthy electronics made in Germany S. 27

„… integrated circuit (IC) manufacturing to non-European regions increases the vulnerability to the introduction …” „… increasing. The “Distributed Manufacturing for Novel and Trusted Electronics T4T” project aims to pro-vide …” „… to these require-ments can still be accessed via existing supply chains (split manufacturing), but …”

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Benjamin Schleich - Skin Model Shapes: A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering

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Benjamin Schleich

Skin Model Shapes: A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering

Series: Konstruktionstechnik/Maschinenelemente

Volume 438 2017

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The Concept of Skin Model Shapes as a new Paradigm for the Modelling of Geometrical Variations S. 67-84

„… Conceptualisation Many tasks in product design, manufacturing, and inspection have to be performed in order to …” „… ) comprises the deviations brought in by manufacturing and assembly processes [BDM10] and is defined as a …” „… comprises deviations from manufacturing and assembly. Due to the random nature of geometrical deviations …”

Context and State of the Art S. 5-62

„… observed on every manufactured artefact due to the axioms of manufacturing imprecision andmeasurement …” „… ] for layered and additive manufacturing, in [LLDM15] for sheet forming, in [VMW10] for casting, in [ISO …” „… products were made by artisans and the different steps of product origination from design, to manufacturing …”

Titelei/Inhaltsverzeichnis

„… Computer-Aided Manufacturing CAPP Computer-Aided Process Planning CAT Computer-Aided Tolerancing CLTE Closed-Loop …” „… Distributed ICDF Inverse Cumulative Distribution Function ICP Iterative Closest Point IGES Initial Graphics …” „… Place, Clamp, Fasten, and Release PDF Probability Density Function PDM Point Distribution Model PMI …”

Prototype Implementation of a Tolerance Analysis Tool based on SkinModel Shapes S. 157-162

„… 0.50 A 0.50 A 0.25 0.25 Assembly Sequence and Moves Key Characteristics h Tolerance Distributions …” „… manufacturing process simulations comprising part deviations. Right aqer the mesh import, an edge-based feature …” „… distributions, such as uniform or Gaussian probability distributions, can be defined for the tolerances. Once …”

Bibliography S. 199-238

„… comprehensive geometric model for engineering design. CIRP Annals - Manufacturing Technology, 62(1):143 – 146 …” „… optimization of deep drawing – extrusion combined process. Journal of Intelligent Manufacturing, 25(1):77–84 …” „… , 1996. [AL05] Anselmetti, B. and Louati, H. Generation of manufacturing tolerancing with ISO standards …”

Application and Benchmark of the Tolerance Analysis Approach based on Skin Model Shapes S. 163-191

„… performed. In this context, truncated Gaussian probability distributions have been chosen for the tolerances …” „… Tolerances for different Correlation Lengths truncation of the probability distributions is necessary in …” „… of the point distance distributions can be observed due to the consideration of the form deviations …”

A comprehensive Framework for the Computer-Aided Tolerance Analysis based on Skin Model Shapes S. 85-156

„… deviations, that are inevitably introduced in manufacturing, assembly, and use. Since it enables the …” „… being used in early design stages, whereas results of manufacturing process simulations or measurement …” „… identification and compensation of errors in additive manufacturing have been presented in [GFLH13]. Beside this …”

doi.org/10.51202/9783186438010

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