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VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

A. Turich Gear hard finishing with up to 100% in-process inspection S. 1583-XL

„… technology into a new process chain, enabling automated closed loop correction within the manufacturing …” „… technology by a factor of 4, down to 39 seconds. With the inspection time being greatly reduced, this process …” „… Gear Hard Finishing with up to 100% In-Process Inspection Dr. Antoine Türich, Gleason Corporation …”

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

„… analytical friction model developed by Schaeffler is based on physical principles. The single contacts are …” „… development process. These models can be used for design studies. Thus, the product performance of many …” „… elements with a holistic approach. The analytical calculation methods based on physics enable an effective …”

S. Ebrahimi, J. Langhart, D. Marano NVH calculations for drivetrains, a methodology for selection of the best suitable calculation approach for a specific purpose S. 75-90

„… , whereas the static calculation during the dimensioning and sizing process does ignore the influences of …” „… is based on analytical methods, the calculation is very fast. This allows the engineer to evaluate …” „… calculation process using KISSdesign and RecurDyn software has been developed. When reading the transient …”

N. Tros, J. Brimmers, T. Bergs Approach for multiscale modeling the thermomechanical tool load in gear hobbing S. 1489-1502

„… , Fraunhofer Institute for Production Technology (IPT), Aachen, Germany Abstract In this report, an approach …” „… force and the rake face tem-perature. The hobbing process is then simulated with a geometric penetration …” „… is an established gear manufacturing process and is widely used in the wind power, automotive …”

J. Hochrein, M. Trubswetter, M. Otto, K. Stahl Direct flank geometry calculation for face gears S. 1447-1460

„… of gearing or via special analytical methods for face gears. Usually, the resulting surface is not …” „… operations are needed due to the implicitness of the governing equations in the analytical approaches, but …” „… still conventional process for face gears [2, 15]. The tool is a pinion–type cutter e.g. defined by the …”

Y. Marchesse, M. Ruzek, F. Ville, P. Velex On windage power loss reduction achieved by flanges S. 665-676

„… flange on a reduction of WPL (rotation frequency equals 150 Hz).The analytical formulation proposed by …” „… totally enclosed here. However, one proposes as Fondelli did an analytical formulation considering both …” „… coefficients in the analytical model (1).VDI-Berichte Nr. 2389, 2022 671When studying spur gears 1 and 2 but in …”

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

„… gear skiving process with a cylindrical tool was designed at the wbk Institute of Production Technology …” „… , Volker Schulze, wbk Institute of Production Science, Karlsruhe Institute of Technology Abstract Gear …” „… skiving is a highly productive process for machining of internal gears which are required in large …”

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

„… simulation, as seen in Figure 1. Fig. 1: Calculation process of the multi-physics simulation 2. Case Study …” „… conditions and kinematics (left), element distribution (right) The entire meshing process of a tooth is …” „… divided into several small meshing processes and examined separately, whereby for each of these partial …”

F. Muller, S. Schumann, B. Schlecht Innovative tooth contact analysis with non-uniform rational b-spline surfaces S. 171-184

„… time, the demands on the design process are growing in terms of develop-ment time and financial effort …” „… . The use of simulation tools can shorten the design process and significantly reduce the need for …” „… mesh. The BECAL calculation process is shown in Figure 1 [1]. The flank and root geometry of the gear …”

S. A. Bohme, J. Keski-Rahkonen, T. Komssi A standardizable approach to tooth flank fracture S. 371-388

„… Industrial Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway;Joni …” „… integration ofits planar stresses to a gear-specific set of analytical equations. Both, the lack of model …” „… ) with the FVA software Becal[22]The analytical equations outlined in this manuscript study the material …”

M. Furst, J. Gotz, M. Otto, K. Stahl Automation of gearbox design S. 787-802

„… automation of certain steps in the design process is essential for ensuring an efficient development process …” „… practice. Design optimization usually is achieved through an iterative and time-consuming process of …” „… established design program for gearbox systems. The algorithm uses the results drawn from an analytical …”

N. Sagraloff, T. Tobie, K. Stahl Suitability of the test results of micropitting tests acc to FVA 54/7 for modern practical gear applications S. 469-484

„… grinding process which allows the manufacture gears of high and constant quality but is meanwhile hardly …” „… used in practical application. Especially for larger gears, the profile grinding process is frequently …” „… medium medium 4.2. Influence of the Test Gear Geometry and Grinding Process One step test and one …”

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

„… . Dr.-Ing. habil. V. Schulze, Karlsruhe Institute of Technology, Karlsruhe Abstract Gears in electrified …” „… , this neglects the large impact of the finishing process and the residual stresses should therefore be …” „… processes. A common approach used in other local fatigue concepts is to take standardized specimens from the …”

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

„… vibro-impact multi-body dynamics, using analytical or numerical solution to equivalently predicate the gear …” „… technology is applied which allows to capture the transmission error caused by manufacturing imperfections …” „… % work state). In the working process, rotational speed ranges 14189rpm-21300rpm (72%-108.08% work state …”

L. Ryali, D. Talbot Dynamic load distribution of planetary gear sets subject to both internal and external excitations S. 389-408

„… semi-analytical contact formulation, but even these require significant computational effort, preventing them from …” „… considering the actual control strategies in the simulation process, the effects of turbulent wind and voltage …” „… ] Ambarisha, V. K., and Parker, R. G., “Nonlinear Dynamics of Planetary Gears Using Analytical and Finite …”

doi.org/10.51202/9783181023891

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

W. Kassem, J. Müller, M. Oehler, O. Koch Analytical tooth root stress calculation for short fiberreinforced plastic gears S. 1361-1374

„… Analytical tooth root stress calculation for short fiber-reinforced plastic gearsW. Kassem, M.Sc …” „… analytical method, based on the lamination theory for fiber composites, that considers the inhomogeneous …” „… VDI 2736 in the future. The analytical calculation is validated using FEA, which includes the fiber …”

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

„… accurate prediction, and foster prevention.Simulation technology to design, analyze and optimize spur and …” „… three types of contact forces: a stiffness gear contact force (analytical of FE-analytical), a viscous …” „… simulation, the process is performed for all teeth possibly in contact and for both tooth flanks, enabling …”

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

„… efficiency, and durability are known as the key factors in the gear design process while the requirement to …” „… et.al. [2] presented a process to reach the best designs by using a multi-variable approach considering …” „… essential to have an accurate yet efficient analytical model for maximum root strength and gear stiffness …”

A. Yavuz Kanyilmaz, B. Karba, M. VARDAR Classifying plastic beveloid gear quality considering manufacturing errors S. 1159-1172

„… printing technology and evaluated the accuracy of gears manufactured using the 3D printing process. Bloju …” „… of AM processes for the fabrication of different types of gears and compared the accuracy and …” „… software, beveloid gears generated with different possibilities then, printed using additive process to …”

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

„… Munich, GermanyAbstractAs technology progresses, the demands placed on drive trains are continuously …” „… transmission process of the mating gear teeth, the transfer path of the structure-borne sound is a complex …” „… gearbox design. It is known that the power transmission process leads to an internal vibration excitation …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… University of Technology, GermanyApplicability of classic analytical calculation approaches for the design …” „… am August 30, 2023 | 15:31:04 | 148 mm x 210 mmScientific supportVDI Society Product and Process …” „… DesignThe VDI SOCIETY PRODUCT AND PROCESS DESIGN (VDI-GPP) and its technical divisions provide all sectors …”

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

„… Influence of the injection molding process on the tooth deflection of plastic gears during …” „… operationC. Herzog, Prof. D. Drummer, Institute of Polymer Technology (LKT), Friedrich-Alexander-University …” „… and wear measurement of plastic gears has been developed at the Institute of Polymer Technology (LKT …”

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

„… technolo-gy used by Computer Aided Design (CAD) systems, to model the geometry as well as the solution field …” „… the contacting regions. The oldest among them is the analytical solution developed by Heinrich Hertz …” „… it is a good enough first estimate. Analytical solutions have also been provided for vari-ous other …”

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

„… distribution can be predetermined during the design process. The analytical approximation of the stiffness …” „… Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear ShaftsJohannes Gründer …” „… , M.Sc., Prof. Dr.-Ing. Alexander Monz, Nuremberg Campus of Technology, Nuremberg, Germany Abstract …”

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

„… adapted to estimate the gear friction coefficient with various finishing processes. However, this new …” „… , efficiency tests are performed using gears with two different finishing processes (grinding and barreling …” „… processes was successfully expressed VDI-Berichte Nr. 2422, 2023754using one formula, and the correlation …”

S. Landler, M. Trübswetter, M. Otto, K. Stahl Parameter Based Definition of Eccentric Cycloid Gearings S. 1207-1228

„… gearing enables an analytical determination of the flank, the contact geometry and load-free …” „… gears to be implemented economically and precisely. These processes include 5-axis milling [1] and …” „… . Shcherbakov et al. [17] use envelopes for the manufacturing of the EC gearing with a milling process. A …”

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

„… Borille, Aeronautics Institute of Technology, São José dos Campos (SP), Brazil; M. Sc. Jose Mascheroni …” „… excessive stress states during finishing processes. For carburizing materials, such as 20MnCr5, the …” „… one of the most promising technologies. Compared to conventional manufacturing processes, AM provides …”

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

„… , Germany;Prof. Dr. Maik Berger,Chemnitz University of Technology, Germany Abstract For the unrestricted …” „… . Here, the manufacturing restrictions are usually different from those of metal cutting processes …” „… . Mainly for metallic materials, the manufacturing processes are very advanced and highly specialised for a …”

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

„… amount of time during the certification process. While current design solutions such as auxiliary oil …” „… articles, which limit the variation in performance to the investigated surface technology. Testing Method …” „… on the technology readiness level (TRL) of the gearbox investigation, different test rigs exist …”

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

„… a feedback loop that is not yet available in the gear development process. The aim is to implement a …” „… mounting process of bevel gears can be provided. VDI-Berichte Nr. 2422, 20231028Introduction Gear …” „… . This paper provides a concise overview of the photogrammetric process and the significance of the …”

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

„… Latest advancements in the lubrication simulations of geared systems: a technology ready for …” „… synchronizes. While for the load-dependent losses accurate analytical models can be used, the …” „… the art2.1 Analytical modelsThe load-independent power losses of gears PLG0 can be subdivided three …”

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

„… is based on the analytical formulations for vibration analysis of continues systems, the calculation …” „… process is very fast. This allows the engineers and designer to quickly evaluate the gears properties with …” „… . 2422, 2023592uses analytical formulations for quasistatic analysis by neglecting dynamic effects …”

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

„… processes taking place during a gear test. Using these methods is possible to assess the displacements and …” „… polymer gears display intricate and interconnected mechanical, thermal, and tribological processes …” „… about the actual thermomechanical and tribological processes taking place in the gear meshing zone are …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… prototyping technology, and the results can offer theoretical basis for the crankshaft fracture problem. Chen …” „… technology in the aviation field, countries have successively carried out research on electric VDI-Berichte …” „… freedom, they are expressed as follow:(4)The detailed modeling process can refer to another article by the …”

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

„… 5.3 percent and 8 percent. Later, an analytical method for calculating the variation of the damping …” „… better NVH characteristics of a powertrain system. In this regard, a dynamic calculation process, called …” „… gears. This process can result in lower noise emission, decrease dynamic loads and potential damages of …”

G. Devaraj Vibration reduction of planetary gear drive using mesh phasing: modelling and experimental validation S. 157-174

„… an initial design process of silent planetary gearbox; [3] derived mesh phasing rules to suppress …” „… first analytical view on different meshing phases to avoid depending on which mode type is considered …” „… stand point. This process is shown in section 3.3. Afterwards the model has been validated …”

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

„… , the LTCA tool was replaced by the Hypoid Analysis Program (HAP) [5], which uses a semi-analytical …” „… identified during the optimization process. VDI-Berichte Nr. 2422, 2023 855Several studies in the literature …” „… utilizing ideal polynomial functions to steer the optimization process, a tailored identification algorithm …”

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

„… , as well as on the gears manufactured by standard machining processes. The special attention in the …” „… transmissions primarily depend of the tooth root capacity, i.e., bending load capacity of gears. The analytical …” „… Bibliography[1] Bonser, R H C and Vincent J F V: Technology trajectories, innovation, and the growth of …”

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

„… focused on interference problems that can appear in modern machining and generation processes [9-12]. This …” „… , analytical equations, which allows considering all the geometrical restrictions simultaneously, and includes …” „… . 2422, 2023 973References[1] Buckingham, E.: Analytical mechanics of gears. New York: McGraw-Hill Book …”

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

„… parameters, the conventional design process requires a number of steps which are time-consuming and complex …” „… mesh loss is calculated through a mesh process analysis, and other power losses are calculated by …” „… calculation and verification steps to obtain a set of gear parameters. The calculation process is cumbersome …”

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

„… Technology, Geleen, Netherlands Abstract This paper describes the ongoing work of plastic gear noise …” „… molded gears, however due the machining process the achieved accuracy is higher. The metal gears were …” „… . 2422, 20231394From this, the dimensionless analytical model of the differential equations of the …”

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

„… ] proposed a timing process for installation of the stepped planets and a set of calculation equations to …” „… that of PRi for gear pair R-PRi. This process is repeated for each gear train R-PRi-PSi-S. The final …” „… of each planet will be involved in the model additionally. The numerical solving process is the same …”

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

„… [4] continues the analytical contact calculation on simplified rollers and defines dimensionless …” „… friction and wear processes exist in the literature. The currently available calculation methods usually …” „… derived from the procedure for worm gear drives according to ISO/TS 14521 [1]. In this process, the …”

doi.org/10.51202/9783181024225

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OPE Journal

Browse Volumes: OPE Journal

OPE Volume 11 (2021) Issue 36 ISSN Online: 2366-8040

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The laser consultants S. 25-27

„… company supports innovation with laser technology. Can you provide our readers with a more detailed …” „… laser processes fit under the glovebox. We quickly realised that others would like to have similar …” „… when I started the thought process of how to do this right: I saw a big problem in the immense …”

doi.org/10.51202/2366-8040-2021-36

VDI Wissensforum GmbH - SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

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VDI Wissensforum GmbH (ed.)

SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

Series: VDI-Berichte

Volume 2333 2018

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R. Fuger, M. Hanke An integrated Workflow for the Simulation-Driven Development of Electric Motors and Generators – Design and Optimisation of Electric Drives S. 381-388

„… consideration of different physical phenomena as well as other requirements, e.g. manufacturing process …” „… , operation conditions and costs. Simulation allows to identify machine, process and cost parameters at an …” „… optimize the electric machine regarding performance, development process, costs and operation conditions …”

doi.org/10.51202/9783181023334

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VDI Wissensforum GmbH (ed.)

Automation 2021

Series: VDI-Berichte

Volume 2392 2021

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K. D. Bettenhausen, F. Hanisch, U. Jumar Vorwort S. 1-4

„… Bildverarbeitungssysteme GmbH, Mannheim Dr. Martin Gerlach, Head of Process Analytical Technologies, Engineering …” „… , Global Process Control Technology, Covestro Deutschland AG, Leverkusen Prof. Dr.-Ing. habil. Thomas …” „… Biberach Prof. Dr. Joachim Birk, Vice President, Executive Expert of Automation Technology, BASF SE …”

D. Persson, J. Pohl, A. Rieder Increased reliability and safety in Coriolis flowmeter operation by monitoring its physical response to process conditions S. 737-750

„… well as for level, pressure, temperature and analytical measuring devices, Heartbeat Technology …” „… Heartbeat Technology. The main oscillation mode of the measuring tubes and the contained process fluid is …” „… response to process conditions Using the Heartbeat Sensor Integrity (HBSI) parameter to monitor sensor …”

G. Steinhagen, M. Banf Flexible On-Premises Datenanalyse für KMU S. 637-648

„… Möglichkeiten analog zum Online Analytical Processing (OLAP) wie es im Bereich Business Intelligence bekannt …” „… Surface Defect Detection Based on Deep Learning Technology.” MLMI, NY, USA, (2020): 24–30 [3] G.E …” „… .” Procedia CIRP 79 (2019): 313-318 [7] G. Steinhagen, A. Hoffmann. "Process surveillance in hydroforming …”

doi.org/10.51202/9783181023921

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