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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

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

„… noise emission, higher power density and longer lifetime. Geometric properties evaluated over the entire …” „… measurement and evaluation of gear geometric features such as profile, helix and pitch deviations are …” „… functional performance [11]. Those modifications are intended geometric alterations of the basic shape of a …”

J. Strüber Design of plastic micro gear teeth for mass production with high manufacturing tolerances for a medical device S. 1463-1472

„… also the evaluation of microgears. Here a tolerance-insensitive design is presented, which has a …” „… tolerance-insensitive toothing The following requirements should be adhered to: Gear ratio: approx. 2 Plastic …” „… Design of plastic micro gear teeth for mass production with high manufacturing tolerances for a …”

A. von Freyberg, A. Fischer Automatic geometry segmentation of involute flank regions S. 1015-1024

„… proven measuring methods as well as analysis software exist for determining geometric deviations and …” „… parameters out of the measured geometric data. This is necessary for the replacement of gears for which no …” „… demand for several applications. A novel approach for the estimation of unknown geometric gear …”

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

„… New tolerance concepts for the realization of steel-only worm gears Prof. Rainer Müller …” „… is the use of new tolerance concepts in design and production. The goal of the research described in …” „… this paper was the realization of steelonly worm gears by an optimal allocation of tolerances and …”

Titelei/Inhaltsverzeichnis

„… helical 411 B. Chen, gear transmissions with geometric elements constructed R. Tan, tooth pairs C. Li C …” „… drive 457 Worm Gears – Design and Quality R. Müller, New tolerance concepts for the realization of …” „… magnetic angular transmission 591 A. Vonderschmidt, R. Vonderschmidt D. Huang, Geometric modeling and …”

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

„… calculation functions: Main geometry Tolerances (ISO 1328, DIN 3961, DIN 3974) Load carrying capacity …” „… sets. SCHRAD2 includes inter alia the calculation of geometry, tolerances, load capacity and contact …” „… [14]. Depending on accuracy grades, the tolerances of crossed helical gears can be determined. For …”

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

„… width, and minimum tip circle at the toe and heel of beveloid gears. While the geometric design of …” „… beveloid gears according to Zierau is restricted to parallel axes, Roth’s geometric design is generalized …” „… for intersecting and skewed axes. However, both methods focus on the geometric design of …”

doi.org/10.51202/9783181022948

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

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A. Hessler, B. Neubauer NVH-performance versus Costs – Coherent R&D for gears, system and manufacturing S. 103-118

„… workpiece or tools and refining tolerances such as runout or eccentricity of the tool itself. Fig. 7 …” „… the quality of prediction will increase (4.2.3.1). 4.1 Evaluation of geometric measurement results …” „… analysis begins. For this reason, it is advisable to make a pre-selection of geometric parameters that will …”

F. Eigner, S. Heinrich, M. Berger An approach on contact analysis for micro geometry optimization of the gear unit HypoGear S. 943-950

„… pattern is based on a geometric method that is used to estimate the qualitative contact area. The …” „… FE-calculation with each iteration stage. Due to the nature of the analysis being exclusively geometric, the …” „… . Usually, after the first calculation, contact has not yet been achieved within a tolerance range. For this …”

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

„… , gear set, gear housing, motor, etc. with all relevant physical, macroscopic and microscopic geometric …” „… geometric information on all machine elements structured based on xml format definitions. From the single …” „… before the BECAL calculation. The range of the pinion mounting error is determined from a tolerance chain …”

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

„… adds a drilling as an additional geometric operation. The data part (step H) now describes this context …” „… used to determine whether the dimensional and form tolerances need to be tighter or larger. During this …” „… VDI-Berichte Nr. 2389, 20221508tolerances, form tolerances, scales or drawing header contents, the data drawing …”

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

„… high productivity and geometric accuracy. Thus gear skiving provides anattractive alternative to …” „… process [2]. First and foremost, gear skiving of internal gears is limited by geometric restrictions of …” „… ]. This type of collision needs to be checked early on in tool design by geometric analysis. The problem …”

W. Wagner, S. Schumann, B. Schlecht Enhanced loaded tooth contact analysis of hypoid gears within a multi-body-system simulation S. 357-370

„… distance of the contact points of the bodies. Nevertheless, not only the geometric properties are constant …” „… . $= +2(1 ) (10) Choosing the right penetration tolerance is crucial for a useful result. A global value for …” „… tolerance is determined individually for all contact points. Since the influence of the partial contact due …”

D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… In situ measurement of geometric and structural influences on the operating properties of polymer …” „… this method when investigating the influence of geometric and structural deviations of polymer gears on …” „… different processing conditions, or geometric deviations from ideal forms on operating properties like …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… noted that geometric constraints are very important when it comes to manufacturing tolerances in …” „… Fig. 4 illustrates the aforementioned tooth geometric constraints at gear tooth in contact …”

K. Stahl, T. Tobie, C. M. Illenberger Standardized methods of load capacity calculation of plastic gears S. 1173-1180

„… standard of ISO there are more than 200 further national standards which deal with geometry, tolerances …” „… load and geometric parameters as well as other influencing factors such as dynamics of the overall …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… performance of a polymer gearing in this speed range. In particular, geometric design parameters such as tooth …” „… suf-ficient to maintain the shape tolerances necessary for correct operation. A comparison with gears made of …” „… speed irregulari-ties peaking at 0.5, compared to over 9.0 with the PEEK gear. The geometric deviations …”

doi.org/10.51202/9783181023891

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

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H. Baour, P. Falbriard Micro skiving – (r)evolution of a known production process S. 1619-1634

„… Profile’s precision with respect to the bore stands in the micron range and geometric tolerances are held …” „… at a very tight level: Fig. 18: Geometric tolerances of the tool Radii at tooth profile’s …” „… . 17 – Tilt compensation Fig. 18 – Geometric tolerances of the tool Fig. 19 - Profile with tiny …”

K. Lubke Virtual gauge for splined shaft-hub joints – Quality inspection and assembly of involute splines in the context of Industry 4.0 S. 1497-1508

„… , 08.-10.09.1998, p. 623-628. [17] Lotze, W.; Lunze, U.: Tolerance-Fit of geometric elements and sculptured …” „… types of splined shaft-hub joints exist. According to the fitting tolerance the joint of shaft and hub …” „… is a statement if the inspected part is within given tolerances [9]. The result of this …”

M. Pillarz, A. von Freyberg, A. Fischer Multisensory measurement of the base circle radius as a fundamental shape parameter of large gears S. 1207-1214

„… ) represent a challenge in measurement technology due to high demands on tolerances, cf. Table 1. As the size …” „… required measurement uncertainty to the diameter of the gear decreases despite increasing tolerances. In …” „… m in kg 0.5 1.100 Tolerances (profile slope deviation ) in µm 4 8 Ratio of tolerances to diameter …”

T. Kleiber DIN Q6 meets DIN Q10 – Need for modern internal gear production S. 415-424

„… tolerances, surface roughness or surface mapping. This report will focus on the gear tolerances. Fig. 4 …” „… classes VDI-Berichte Nr. 2355, 2019418 The link between the different tolerance classes is done by a …” „… . The plot shows that an elevation of two quality classes results in doubling the tolerance. A …”

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

„… geometric features are kept in very small tolerance fields in order to keep their influence as low as …” „… the tribological system is of great importance. Since low dimensional and positional tolerances are …” „… possible by modern production techniques, the surface roughness becomes the central geometric element. A …”

A. D. Rauch, C. Wirth An easy-to-use and fast computational model for the prediction of the influence of manufacturing errors on gear transmission error S. 645-656

„… deviations from the ideal gear geometry due to manufacturing tolerances. The unsteady motion transfer …” „… issues even though they lie within the requested tolerances. By several parametric studies we …” „… ) manufacturing errors. Fig. 1 illustrates the TE resulting from a geometric imperfection of the tooth profile …”

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

„… optimization in gear design. The power density of a gear can be increased by geometric gear body modifications …” „… behavior. Nevertheless, it also leads to light weight and through the lower stiffness to higher tolerance …” „… during the contact search [2]. If the distance is smaller than a numerical tolerance - the so-called …”

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

„… undercut (Fig. 3.) to accommodate manufacturing tolerances and some gear distortion after heat treatment …” „… . Protuberance Hob Root Generation Limitations In some cases, a combination of the asymmetric gear’s geometric …” „… . Root profile tolerance should be about 2-3 accuracy grades lower than the ground involute flank …”

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

„… corresponds to 1.2x106 load cycles. 4. Results and Discussion Results for the geometric dimensions tooth …” „… DIN 58405 [18]. The manufactured PA66(X) parts are located in tolerance VDI-Berichte Nr. 2355 …” „… were in tolerance class 10e instead, but with a little smaller standard deviation. After manufacturing …”

J. Klose, F. Zanger, V. Schulze Gear skiving of external gears with internally geared tools S. 1579-1590

„… geometric relations exist to estimate maximum cutting thickness and maximum feed mark height. The cutting …” „… tolerances and feed mark height, it is assumed that only one tool tooth creates the workpiece surface …” „… . Tolerances of the tooth position are usually between 10 and 20 µm and thus larger than the calculated feed …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… on some geometric restrictions (minimum length of involute on tool tooth, total overlap ratio, etc …” „… error from top to the bottom is for this example about 25 µm and much more than the allowed tolerance …”

H. Aurrekoetxea, I. Ruiz de Ocenda Experimental and theoretical study of load mesh factor for different boundary conditions in wind gearbox planetary stages S. 835-844

„… Load Mesh Factor Kɣ (for a given geometric accuracy grade of gear elements) is set to a certain value …” „… tolerance range, allow the use of improved Kɣ values in the calculation of gears, enhancing torque density …”

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

„… (Figure 2) with a user defined tolerance. It seems that a chord length of 0.1 – 0.01 microns is adequate …” „… . Eng. Science, 220, 2006, 1229-1236 [7] Mundo, D., Geometric design of a planetary gear train with …”

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

„… tolerances. Finally, the gearbox was assembled, and both its mechanical integrity and the functionality of …” „… visible struts according to it. Geometric elements such as triangles and squares were created based on …”

J. Zhang, J. Wang Dynamic modeling and analysis of a star-wheel reducer S. 741-752

„… suppression and tolerance control. For this purpose, this paper proposes a methodology of dynamic modeling …” „… ring gear According to the geometric relationships, the compatibile condition can be formulated as …”

doi.org/10.51202/9783181023556

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Konstruktion

Browse Volumes: Konstruktion

Konstruktion Volume 71 (2019) Issue 11-12 ISSN Online: 0720-5953

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Kai Brückner, Markus Storch, Martin Hallmann, Björn Heling, Benjamin Schleich, Sandro Wartzack Ansatz zur Ermittlung von Toleranz-Kosten-Kurven in der Serienproduktion/A Novel Approach to the Identification of Tolerance-Cost-Relationships in Serial Production S. 84-90

„… Tolerance-Cost-Relationships in Serial Production A B S T R A C T Tolerance allocation serves to fulfill given quality …” „… tolerance-cost-optimization has established itself for efficiently solving this conflict. A prerequisite for a realistic …” „… close this gap, a novel approach to the identification of tolerance-cost-relationships is presented in …”

Alexander Aschenbrenner, Benjamin Schleich, Stephan Tremmel, Sandro Wartzack, Thomas Stahl „MAGMAKegel“: Simulation abweichungsbehafteter Kegelrollenlager S. 52-54

„… statistical tolerance analysis approach for over-constrained mechansim based on optimization and Monte Carlo …” „… determine the influence of geometric deviations on elastic deformations and the structural performance …”

doi.org/10.37544/0720-5953-2019-11-12

VDI Wissensforum GmbH - Plastics in Automotive Engineering 2016

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VDI Wissensforum GmbH (ed.)

Plastics in Automotive Engineering 2016

Series: VDI-Berichte

Volume 4343 2016

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R. Krischke, R. Poltrock, S. Stein Development of a lightweight instrument-panel support structure Material and production concept of the instrument-panel support tube made of long-glass-fiberreinforced partly aromatic polyamide for th... S. 259-278

„… : 6.4 min. 5. Ultrasonic welding: Ultrasonic welding of tolerance-compensating systems (PA6) to …” „… develop new components with different geometric constraints or increased stiffness requirements, such as …” „… main weld lines there was always an additional geometric component outlet such that weld-line weakening …”

doi.org/10.51202/9783182443438

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