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VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

Results in this title

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

„… CBN wheel. Moreover, an empirical and analytical process model for generating gear grinding was …” „… Gear-Grinding Process, CIRP Annals - Manufacturing Technology, 44 (1995) 321-324. [3] B.W. Kruszyński, S …” „… hardened materials for double helical gears and improves the current technology of manufacturing double …”

A. Carbonelli Transferring knowledge about gear systems to machines in order to improve diagnosis efficiency S. 1065-1076

„… rise of Machine Learning technology is a new tool to improve efficiency of predictions and simulations …” „… its whole process oriented by the goal of the analysis: determine whether a given gear system is …” „… world. Evolution is a slow process when it deals with biological and physiological aspects. With the …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… Bolzano/Bozen, Faculty of Science and Technology, Bolzano, Italy; Prof.-Ing. Carlo Gorla, Politecnico di …” „… represent a great support. Analytical studies of the behavior of planetary gearboxes are present in the …” „… the transmission, based on a hybrid FE-analytical formulation. The method used also allows to …”

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

„… running capability and cost efficient manufacturing via the injection molding process. However, there are …” „… crosslinking, can decrease friction and wear. The injection molding process also offers the possibility to …” „… of Polymer Technology (LKT), University Erlangen-Nürnberg, Erlangen VDI-Berichte Nr. 2355, 2019 …”

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

„… establish an analytical formula for a WPL calculation from geometry of the gear, its speed and also its …” „… found that only some types (i.e. spur gears) can be described by the analytical formulas, in the case …” „… pinion One single wheel is mounted in this configuration and it is thus possible to employ analytical …”

F. Andary, G. Jacobs, J. Berroth Application of pre-calculated gear mesh stiffness on elastic gear bodies in multi-body simulation S. 1087-1098

„… system. In the field of drivetrain technology, gear stages are among the most common components in …” „… make compromises in the modeling process to achieve a balance between the computational effort and …” „… both literature and software either use analytical approximations or rely on contact analysis [5 …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… engineering, mobile drive technology, mining and opencast mining are only insufficiently considered across …” „… criteria. The analytical calculation can be made according to ten different criteria, Fig. 3: - Diameter …” „… determined via the different calculation processes. The respective calculation process VDI-Berichte Nr. 2355 …”

M. Keuthen REXS – Standardized gear unit model S. 701-712

„… Technology, in close cooperation with industry and research, is developing an industry-wide standard for …” „… which drives the development process. Finally, we will give an overview of REXS’ current status and the …” „… central role in drive technology. Designing a gear unit with its components, such as shafts, bearings …”

M. Schrank, C. Kiesewetter-Marko, C. Lopenhaus, A. Epple, T. Bergs, C. Brecher Approach for modeling elasticity in the gear honing process S. 1697-1706

„… the automotive industry. An empirical-analytical process force model for gear honing was developed …” „… Approach for modeling elasticity in the gear honing process Maximilian Schrank, Caroline …” „… . One possible process for hard finishing is gear honing. In previous investigations, a rigid …”

V. Heuer, D. Bolton Lean heat treatment for distortion control S. 1749-1764

„… the application of a customized case hardening. This case hardening process results in a wear …” „… Carburizing (LPC) – processes. 2. Distortion mechanisms and High Pressure Gas Quenching (HPGQ) The relevant …” „… applying the technology of Low Pressure Carburizing (LPC) and High Pressure Gas Quenching (HPGQ) heat …”

M. Lutz, J. Hermes Use of multiple-body simulation during the development process of gear units S. 1077-1086

„… Use of multiple-body simulation during the development process of gear units Markus Lutz …” „… used in system simulation, to a tool also used in drive technology during the product development …” „… process. Alongside the integration of flexible bodies, these innovations include many further developments …”

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

„… complex manufacturing processes. With the guideline VDI 2736 [3], the strength (both root and flank) of …” „… step. LTCA can be performed using a finite element approach (FEM) or with semi-analytical method …” „… to wear during the running in process. Table 2 shows a comparison of results of VDI 2736 calculation …”

P. H. O. Teixeira, C. Lopenhaus, C. Brecher, T. Bergs Discretization of the contact conditions considering the grain engagement for generating gear grinding S. 1739-1748

„… finishing process mainly used to meet the high requirements for gears in terms of geometry and surface …” „… to the complex contact conditions induced by the process kinematics. The objective of this work is …” „… surface grinding process and last onto an analogy of the continuous generating gear grinding process …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… VDI-Berichte 2355 VDI-Society for Product and Process Design International Conference on Gears …” „… 3 E. Bergstedt, Prof. U. Olofsson, KTH, Stockholm, Sweden; J. Lin, Beijing University of Technology …” „… 101 F. Concli, L. Maccioni, Free University of Bolzano/Bozen, Faculty of Science and Technology …”

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

„… and Technology B.V., Geleen, Netherlands Abstract This paper presents a framework for predicting …” „… discs are presented in Fig. 2 and compared to the analytical results. As Fig. 2a shows, the FEM …” „… results show slightly lower maximum contact pressures and larger sliding distances than the analytical …”

B. Mahr, A. Pogacnik, A. Langheinrich Derivation of tooth stiffness of asymmetric gears for loaded tooth contact analysis S. 937-948

„… contact analysis (LTCA), affects noise behavior of gears. Modern LTCA software is using semi-analytical …” „… process (for steel gears) and related costs. 2. Calculation of Tooth Deformation of symmetric Teeth …” „… results [7], it is a comforting result, that the root stress of the gear calculated with the analytical …”

T. Pinel, J. Bruyere, P.Velex, L. Billet Parametric Study of a 3D trochoidal reducer model with involute profile S. 437-448

„… pine and bore can be modeled according to the same approach. This process is presented for tooth …” „… Moving Magnet Technologies and the ANRT(French National Association for Research and Technology) for …” „… Polymer Gears," GEAR TECHNOLOGY, pp. 84-91, 2017. [17] J. I. Pedrero, M. Pleguezuelos and M. B. Sanchez …”

F. Rudolph, S. Schumann, B. Schlecht Consideration of solid particles in a gear lapping simulation S. 1675-1686

„… lapping process, quite similar to the methods used by Jiang and Park [2, 3]. For each sufficiently short …” „… lapping process. The fast tooth contact simulation in BECAL hereby enables a sufficiently high temporal …” „… of abrasive particles As discussed above, the tribologic system of the lapping process includes hard …”

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… which automate the design process and avoid redundant manual work need to be developed and deployed …” „… , which perform calculations and simulations, are used during the product development process (PDP) of …” „… VDI-Berichte Nr. 2355, 2019 713 and, for example, by analytical calculations for screws and shafts. The …”

J. Lohmiller, J. Hoffmeister, J. Hermes Conventional high-strength nodular graphite iron as a substitute for austempered ductile iron (ADI) S. 877-892

„… complex components in mechanical engineering and drive technology. As a consequence of steadily …” „… load-carrying capacity can be obtained. Thus, the accurate design process of a cast component may avoid …” „… two-stage heat treatment process consisting of austenitiz- VDI-Berichte Nr. 2355, 2019 877 ing and …”

C. Chevrel-Fraux, R. Fargere, J. Bruyere, P. Velex Modelling of high power geared transmissions, introduction of a filling material S. 903-914

„… Velex [12] who defined optimum values of profile modifications using analytical formula called the …” „… sub-structuring process is done using the Craig-Chang method [18]. Master nodes are introduced in the root radius …” „… Research and Technology), for their support via the CIFRE grant attributed to C. Chevrel- Fraux …”

D. Mevissen, C. Lopenhaus, T. Bergs Calculation of mixed friction conditions in large-scale rolling-sliding contacts for different surface structures S. 555-568

„… rolling-sliding contacts can be significantly improved by conditioning the surfaces in the manufacturing process …” „… solid contact load ratio. Since the analytical calculation of the solid friction coefficient is related …” „… chemical additives during the isotropic superfinishing process, there is a possibility that remaining …”

P. Scholzen, C. Lopenhaus, C. Brecher, D. Billenstein, F. Rieg, G. Hammerl Investigation of the influence of elastic gear body structures on the operational behavior of gears S. 785-796

„… the design process or in the simulation. 2. Finite Element Contact Algorithm Due to the …” „… example models - mainly from the field of drive technology - both the mesh size and the polynomial degree …” „… with a qualified reference result (e.g. from measurements or analytical VDI-Berichte Nr. 2355, 2019 …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - Kupplungen und Kupplungssysteme in Antrieben 2021

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VDI Wissensforum GmbH (ed.)

Kupplungen und Kupplungssysteme in Antrieben 2021

Series: VDI-Berichte

Volume 2382 2021

Results in this title

R. Leister, J. Kriegseis, B. Frohnapfel, D. Gatti, A. F. Najafi Analytical modeling and dimensionless characteristics of open wet clutches in consideration of gravity S. 129-144

„… Analytical modeling and dimensionless characteristics of open wet clutches in consideration of …” „… , Institute of Fluid Mechanics (ISTM), Karlsruhe Institute of Technology (KIT); Associate Prof. Dr. A. F …” „… analytical means. The requisite simplifications that result in an analytically integrateable solution are …”

R. Leister, S. Pasch, B. Frohnapfel, J. Kriegseis, P. Mattern, T. Fuchs Hochaufgelöste, optische Geschwindigkeitsmessungen in einer radialgenuteten, offenen, nasslaufenden Lamellenkupplung S. 313-318

„… flow and offer the potential to be part of design and construction process at an early stage of such …” „… comparison with analytical models. In: Tribology International 119:809–821 (2018) Abbildung 4: Ergebnisse …” „… profile sensor with micrometre spatial resolution. In: Measurement Science and Technology 13(12):197 …”

doi.org/10.51202/9783181023822

VDI Wissensforum GmbH - Land.Technik AgEng 2017

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VDI Wissensforum GmbH (ed.)

Land.Technik AgEng 2017

Series: VDI-Berichte

Volume 2300 2017

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W. Maaß, I. Shcherbatyi, S. Marquardt, A. Kritzner, B. Moser Real-time Smart Farming Services – Yield optimization of potato harvesting S. 67-72

„… der RWTH Aachen, Aachen Abstract Agriculture resembles general production processes in many …” „… and logistic processes increase the complexity by moving machines and moving crop. In this highly …” „… . Of particular interest are data analytical services based on various Artificial Intelligence methods …”

T. Herlitzius, R. Hübner, A. Günther, C. Korn, S. Kirstein, S. Müller, J. Miunske Sensor study to identify process characteristics of crop and air flow in a combine harvester S. 583-590

„… Sensor study to identify process characteristics of crop and air flow in a combine harvester …” „… tested at the chair of agricultural systems and technology. An optical sensor is used to detect grain …” „… measure process characteristics rather than process outputs in order to combine model based control …”

J. Berberich, M. Huth, A. Feiffer, R. Tölle, U. Schmidt Online determination of hectolitre mass during threshing by analyzing air-filled pore volume in grain fills S. 491-496

„… conditions like environment and operators. Because of the necessary weighing process and the vibrations …” „… combine harvester due to vibrations and the necessary weighing process. Another possibility to assess …” „… consisted of a chondrometre (Hecto, Pfeuffer), an analytical balance (PCB 3500-2, Kern) and an air …”

F. Peters, H. Korte, R. Bölling Modelling method for analyzing grain harvesting concepts S. 219-226

„… modifications and their influences on the process chain. There are different analytical perspectives. First …” „… impact of harvesting concepts on the process chain are explained. Changes in harvesting process chains …” „… the opportunity to configure variable process chains. The evaluation method forms the basis to define …”

doi.org/10.51202/9783181023006

Björn Jakob Müller - Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

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Björn Jakob Müller

Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

Series: Elektronik/Mikro- und Nanotechnik

Volume 396 2018

Results in this title

Summary and prospects S. 164-166

„… for the numerical calculations. For the absorber process technology, it is important to improve the …” „… thin film solar cells produced by a fast industrial process by adjusting the optoelectronic and …” „… process-related parameters like temperature (in the annealing chamber), S and Se partial pressure during the …”

Introduction S. 1-3

„… nearly unlimited source (sun). The process which converts sunlight into electricity is based on the …” „… band gap (Eg) matching to the solar spectrum. In the stacked elemental layer (SEL) process Ga …” „… Hydrogen Research Baden-Wuerttemberg (ZSW), Swiss Federal Laboratories for Materials Science and Technology …”

Titelei/Inhaltsverzeichnis S. I-XIII

„… . . . . . . . . . . . . . . . . . 8 2.1.3 Diffusion processes in thin film systems . . . . . . . 8 2.2 Chalcopyrite solar cell …” „… Deposition process for chalcopyrite solar cells . . . . . . . . 32 3.1.1 Co-evaporation (CE) process …” „… . . . . . . . . . . . . . 33 3.1.2 Stacked elemental layer (SEL) process . . . . . . . . 34 3.2 Characterization methods …”

Appendix S. 167-190

„… = q(n− p+NA −ND) ε0εs (A.6) A.2 Derivation of Jgrad with the analytical approach 169 Jn and Jp for e …” „… parameters like Voc, Jsc, FF and η as output. A.2 Derivation of Jgrad with the analytical approach For the …” „… the analytical approach 171 g = −dφ dx = φ0(hν − Emaxg + βx)1/2e(− 2 3β [(hν−Emaxg +βx)3/2]), x > dc …”

doi.org/10.51202/9783186396099

VDI Wissensforum GmbH - Plastics in Automotive Engineering 2017

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VDI Wissensforum GmbH (ed.)

Plastics in Automotive Engineering 2017

Series: VDI-Berichte

Volume 4348 2017

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Titelei/Inhaltsverzeichnis S. I-XI

„… regarding materials, processes, and technology innovations Dipl.-Ing. J. Götzelmann, Magna Exteriors …” „… new analytical calculation method for the injectionmolding process of a composite luggage rack …” „… processes make particularly economic system solutions possible. Additive manufacturing in combination with …”

D. Häffelin Innovative processing of thermoplastic composites for the Porsche Panamera brake pedal – Continuous-fiber technology for safety components in the vehicle S. 121-134

„… Continuous-fiber technology for safety components in the vehicle Dipl.-Ing. D. Häffelin, BOGE Rubber & Plastics …” „… fully automated manufacturing process for continuous-fiber materials for the production of …” „… volume. Continuous-fiber plastics offer lightweighting potential but until now the process chain has …”

M. Bakkal, O. Otuz, S. Doğru A new analytical calculation method for the injectionmolding process of a composite luggage rack holder S. 279-298

„… A new analytical calculation method for the injectionmolding process of a composite luggage rack …” „… of the process and convert of the results into FEA programs. Simulations of the injection-molding …” „… process are carried out with Moldflow, C-Mold and so on. To transfer the results from these programs …”

doi.org/10.51202/9783182443483

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