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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

D. Krüger Reuse S. 3-12

Titelei/Inhaltsverzeichnis

„… mm x 210 mmContent Foreword 1 Keynote session: Re-X: Recycle | Reuse | ReduceIncreasing Air Travel …” „… Preflight Lx3 am August 30, 2023 | 15:31:04 | 148 mm x 210 mmVDI-Berichte 2422Source: © NORD …” „… , 2023Preflight Lx3 am August 30, 2023 | 15:31:04 | 148 mm x 210 mmVDI-Berichte Herausgeber: VDI …”

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

„… re-meshing. This approach foresees a deformation of the mesh to accomplish the boundary motions up to a …” „… ” depending regions enabled for re-meshing. In the Local Remeshing Approach (LRA), only the elements having …” „… low quality are deleted and re-created. This method is effective but the mesh update can lead to …”

A. Kubo, M. Nagae Estimation of brittleness of CCH-steel via measurement of micro-VH and simultaneous FWHM distribution S. 1699-1712

„… means non-uniform directional state of X -ray dif-fraction i.e. the orientation of ferrite crystal is …” „… part of the tooth Fig. hape of ebye ring and the run of residual stressV ery near the surface, the X …” „… matri strength cattering of the local peak height of eby ring crater in deg. cross section t re ects …”

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

„… profile curve of the machined gear fRABC2yPitch lineDatum lineDE/ 2mO2x* m x2u1u2θ2 θ1x2z2y2h ad* mc d* mc …” „… substituting the relevant data, the equations of meshing for rack-cutter tool can be obtained. 2 2 2 22 2x yX x …” „… 1xfy2 fx x1O1xs rr2 fO O2 fx x1 2 fy y y1x1OPitch CirclePitch lineGear blankdedendum circlePitch …”

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

„… expression depending on operating conditions Regime Load independent torque losses ],^!3 _ BBBXL`<.X …” „… ]E \! BMV,!^!3LT. X],^!3 a BBBXL`<.X]E \! 1,!XTWhere &is the oil viscosity, \! torque loss (Table 4 ) and a …” „… factor (-) Sheat Heat exchange surface m2Re Reynolds number (-) Gr Grashof number (-) Rayl Rayleigh …”

J. Woelling, F. Manis Recycling of carbon fiber reinforced plastics – State of the Art and Challenges S. 1287-1296

„… regulates the priorities how to address waste: the first two priorities (avoidance and re-utilization) focus …” „… Y.-K., Ding J.-P., Xue L.-X., Wang Y.-Z.: A promising strategy for chemical recycling of carbon …” „… thermoplastic tapes from recycled carbon fibre. ReComp Conference. Online; 2020. [19] Hofmann M., Gulich B …”

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

„… composition, microstructure, hardness, and wear properties of the restored gear tooth were analyzed by X …” „… perimeter and filling. The theoretical dimensions of the prism were 8.5 (width) x 14.5 (length) x 12 mm …” „… two were made only with AISI 413. The theoretical dimensions of the prism are 9 (width) x 14 (length …”

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

„… [mm] 6 Pressure angle 20 Profile shift coefficient x1,2 0 Shaft diameter dh 6 VDI-Berichte Nr. 2422 …” „… enhance the camera setup, a micro-optical InfiniTube system was utilized, complemented by a Mitutoyo 2x …” „… performance improvement by re-learning, Journal of Advanced Mechanical Design, Systems, and Manufacturing. 14 …”

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

„… life: F ; 𝑥, 1𝜎 |𝜇 𝑥, ,𝑠𝜇𝑠(3) where w is the logarithm of the number of cycles, x is the …” „… distribution parameter. The CDF is then re-elaborated by means of SoE in order to define the distribution …” „… . https://doi.org/https://doi.org/10.1046/j.1460-2695.2003.00659.x. [24] LORÉN S, LUNDSTRÖM M. Modelling curved S–N curves. Fatigue …”

L. Binanzer, L. Merkle, M. Dazer, A. Nicola Pitting Detection for Prognostics and Health Management in Gearbox Applications S. 97-108

„… the re-quirement to detect even the smallest of the tested pitting sizes. In order to detect pitting …” „… : 10.1088/1757-899X/1097/1/012006. [9] T. Tevetoglu, M. Henss, Y. Gretzinger, und B. Bertsche, „Learning an Optimal …”

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

„… ® stage, the re-markably high gearbox efficiency over the shown range of operating grades is noticeable …” „… Katalog, PUB BU/P1 17000 EN; 2018 [13] Schaeffler Technologie AG & Co. KG., BearinX-ViP Nr. 2021.2 [14 …”

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

„… machine-tool settings are fed back to the LTCA software to re-generate the geometry and to carry out the …” „… Design 131(4) (2009). [12] Su, J., Fang, Z., Cai, X.: Design and analysis of spiral bevel gears with …” „… ., He, X.: Design and dynamic performance analysis of high-contact-ratio spiral bevel gear based on the …”

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

„… re-installed in the test machine. The open spiral antenna is printed near the part where the nut used to fasten …” „… .1169-1182, https://doi.org/10.1016/S0094-114X(99)00045-2. [6] Kien, B.H., Iba, D., Tsutsui, Y. et al …”

S. Hendricks, M. Solf, J. Brimmers, T. Bergs Investigation of the machinability of different quenched and tempered steels for the alternative process chain of planetary pinions in wind turbine gearboxes S. 1713-1730

„… re-enters the gap, this material displacement then leads to an increased load on the cutting edge at this …” „… Technol 126, 1279–1292 (2023). https://doi.org/10.1007/s00170-023-11158-x VDI-Berichte Nr. 2422, 20231730 …”

doi.org/10.51202/9783181024225

Xiao Zhao - Reactor network synthesis with guaranteed robust performance

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Xiao Zhao

Reactor network synthesis with guaranteed robust performance

Series: Verfahrenstechnik

Volume 952 2017

Results in this title

Some Preliminaries S. 17-29

„… matrix M(x), defined by αM(x)(x) := max i=1,··· ,n Re(λi(x)). (2.7) Re(λi) denotes the real part of λi, i …” „… ]. From the above lemma, because αM(x)(x) is the largest of a finite number of continuous functions Re …” „… ∗) ∈ Mn is active, if Re(λi∗(x∗)) = αM(x∗)(x∗). Definition 2.2.4 (Lexicographic order). For any pair of …”

Case study of allyl chloride production S. 107-132

„… 6.6 and 6.7, respectively. 111 6 Case study of allyl chloride production F ig u re 6 .2 : O p ti m al …” „… m ol /s C at a te m p er at u re of 30 0 K ar e fe d in to th e re ac to r n et w or k. T h e ou tl …” „… et co n ta in s 0. 88 31 m ol /s A , 6. 83 84 m ol /s B , 0. 03 55 m ol /s C at a te m p er at u re …”

Solution methods S. 60-106

„… ). Hence, α M(x)(x) = sup{Re(λ) | λ ∈ Λ M(x)}. α M(x)(x) is sometimes called the “robust” spectral abscissa …” „… nonlinear objective function and/or constraints. A general form of a MINLP is min f(x, y) s.t. g(x, y) ≤ 0 …” „… , x ∈ X, y ∈ {0, 1}ny . (5.1) The functions f(x, y) and g(x, y) are nonlinear, twice continuously …”

doi.org/10.51202/9783186952035

Nikolas Bufe - Method for Non-Invasive Skin Artifact-Free Spatial Bone Motion Tracking Using Pressure Sensor Foils

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Nikolas Bufe

Method for Non-Invasive Skin Artifact-Free Spatial Bone Motion Tracking Using Pressure Sensor Foils

Series: Biotechnik/Medizintechnik

Volume 296 2019

Results in this title

Validation S. 66-74

„… re si du al s Flexion/extension: Gradient orthogonality G 1,x G 1,y G 2,x G 2,y G 3,x G 3,y 0 500 …” „… 1000 1500 2000 2500 3000 3500 time [ms] -0.4 -0.2 0 0.2 0.4 0.6 re si du al s [m m ] D 1,x D 1,y D 2,x …” „… D 2,y D 3,x D 3,y 0 500 1000 1500 2000 2500 3000 3500 time [ms] -1.5 -1 -0.5 0 0.5 1 1.5 re si du al …”

Validations S. 32-58

„… 6000 time [ms] -0.4 -0.2 0 0.2 x [m m ] 0 2000 4000 6000 time [ms] 13.2 13.4 13.6 13.8 14 ydi re ct io …” „… = rS + Src . (5.2) 5.1 Pressure mapping 35 Top view (pressure sensor) KG KG x y 0 255 rG Grp sensel …” „… 5.1.2 Results The upper plots of Fig. 5.5 show the resulting x- and y-positions of the Kuka reference …”

Bibliography S. 75-84

„… . Gatesy, T. L. Hedrick, K. A. Metzger, S. L. Gilbert, and J. J. Crisco. X-ray reconstruction of moving …” „… mobile biplane X-ray imaging in measuring 6-degree-of-freedom patellofemoral kinematics during overground …” „… • Schnelle, einfache und kostengünstige Abwicklung PRoFItIeReN SIe VoN UNSeRem Re …”

doi.org/10.51202/9783186296177

Matthias Kunick - Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the Spline-Based Table Look-Up Method (SBTL)

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Matthias Kunick

Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the Spline-Based Table Look-Up Method (SBTL)

Series: Energietechnik

Volume 618 2018

Results in this title

Appendix S. 118-152

„… re [M P a] p 0 1000 2000 3000 40001500 2500 3500500 500 1500 2500 3500 T = 1 0 7 3 .1 5 K x = 0 x = 0 …” „… s u re [M P a ] p 0 1000 2000 3000 40001500 2500 3500500 500 1500 2500 3500 T = 1 0 7 3 .1 5 K x = 0 …” „… s u re [M P a ] p 0 1000 2000 3000 40001500 2500 3500500 500 1500 2500 3500 T = 1 0 7 3 .1 5 K x = 0 …”

Property Calculation Algorithms for Numerical Process Simulations S. 4-49

„… u re [M P a] p 2b 2a 2c T p h2c( , ) T p h2b( , ) T p h2a( , ) T pB23( ) p h2bc( ) x = 1 x = 0 .8 T …” „… 30 25 20 15 10 5 0 P re ss u re [M P a] p 1 % 5 % 10 % 20 % 30 % 4 0 % 5 0 % 7 5 % 1 0 0 %2 5 0 % 5 0 …” „… P re ss u re [M P a] p -1 % -5 % -10 % -2 0 % -3 0 % -9 0 % -7 5 % -6 0 % -7 5 % -6 0 % -5 0 % -4 0 …”

SBTL Property Functions Based on IAPWS-IF97 for Water and Steam S. 79-94

„… 10 0 10 1 10 2 10 3 6500 6000 4000 3500 3000 2500 2000 1500 1000 500 0 T= K1073.15 p = 1 0 0 M P a x …” „… =1 G p = 5 0 M P a p = 6 1 1 .2 1 2 k P a x = 0 T= K2273.15 T= K273.15 HT L TP uc p = 6 1 1 .2 1 2 k …” „… m 6 per 10 kJ/ kg K s x 6 ma 10 kJ/ kg K s S 6 RM 10 kJ/ kg …”

FluidSplines – Software for Generating SBTL Property Functions S. 71-78

„… P a x = 0 x= 1 0.8 0.60.4 0 .2 uc 4250 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 4250 1750 …” „… 10 -1 10 0 10 1 10 -3 10 -2 10 -1 10 0 10 1 Pressure [MPa]p S at u ra ti o n te m p er at u re [K ] T …” „… envelopes. Other isolines for p, T, v, x, u, h, or s, as well as spinodals and melting curves can be added …”

doi.org/10.51202/9783186618061

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

F. May Trouble shooting of abnormal gearbox noise S. 545-560

„… . 20 µPa)]30405060708040 50 60 70 80 90X: 85.26Y: 112.5Sound Pressure [dB (re. 20 µPa)]Peak HoldX …” „… 2000 2500 3000 3500 4000 4500 500030405060708090100X: 100Y: 96.61Sound Pressure [dB (re. 20 µPa)]X …” „… 70 80 90 100X: 97.66Y: 1156Sound Pressure [dB (re. 20 µPa)]Peak HoldX: 97.9Y: 3475100 200 300 400 500 …”

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

„… stiffness Stiffness Unit Input shaft Output shaft 1 Output shaft 2 A B C1 D1 C2 D2 ??? N/m 220x106 293 x106 …” „… 911 x106 220 x106 911 x106 220 x106 ??? N/m 220 x106 293 x106 911 x106 220 x106 911 x106 220 x106 …” „… ??? N/m 485 x106 135 x106 809 x106 771 x106 809 x106 771 x106 ????? Nm/rad 19.2 x103 53.4 x103 562 x103 …”

J. J. Zhang, Prof. Y. M. Hu, X. X Luan, Z. S. Zhang Research on the effectiveness of roelands formula with constant VPC in EHL of higher pair contact S. 119-132

„… Ph.D candidate J. J. Zhang, Prof. Y. M. Hu, Master X. X Luan, Master Z. S. Zhang, State Key Laboratory …” „… ) Second coefficients of fluid viscosityRe Reynolds number, mRe=(ru h) / h Coefficients of fluid viscosity0 …” „… through the ball center O and normal to X-Z plane. The velocity of the ball is u1=ωR, with R the ball …”

A. Mihailidis, A. Psarros, I. Nerantzis FE tooth contact analysis of crossed helical gear drives considering misalignments and deviations S. 597-608

„… ]. VDI-Berichte Nr. 2389, 2022598 Pinion Gear Number of teeth z [-] 2 29 Addendum modification coefficient x …” „… in re-sults. In gears, there are two areas of particular interest: The contact footprint on the …” „… Systems, ANSA version 21.x User’s Guide, 2020. [6] Dassault Systemes, Abaqus analysis user’s manual …”

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

„… lubrication: no re-lubrication possible Request for high component reliability: Useful grease service life …” „… Gears°C 1x DIN 51808: Determination of oxidation stability of greases – oxygen methodpressurized oxygen …”

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

„… wear out under the tough tribological conditions mentioned above and must always be re-generated on the …” „… , which is identified here by their x-axes. In these coordinate systems, the contact point K lies on the …” „… radii r1 and r2, which are rotated by angles 1 and 2 to the x-axes. This also results in the angles 1 at …”

B. Guilbert, P. Velex Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic factor formula S. 523-532

„… natural frequency (with time-averaged mesh stiffness) **0nnxAA and **0nnxBB , with 0x the …” „… :       '' 2 * *1sin cosk S n nnTE n A n B n (3)   /0cos b kkx kmT0MX, SF-10X K V , K averaged …” „… . These coupled modes still are the most energetic re the mesh interface, whereas gear body mode …”

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

„… investigation of the re-sistance of FDM-printed gears was able to show that the precision of the process is not …” „… [7, 8]. The temperature re-sistance of PEEK is a major advantage of this material in regard to other …” „… profile comparison with expected profile at 50x magnifica-tion. PEEK gear has a much coarser print and …”

A. Wedmann, M. Stein, K. Kniel Gear calibration in tactile scanning mode on CMMs S. 1539-1552

„… volume of 1200 mm x 1000 mm x 700 mm and a specification according to ISO 10360-2 [5] of MPE = 0.3 μm …” „… position. After each change of position, the workpiece position is re-determined. In particular, the gear …”

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

„… 52 mm x 52 mm with its thickness of 2 mm. This plate is also covered in one layer of a polyimide tape …” „… re-iterated and re-evaluated using the new individuals. The MSE value for the computation is provided as below …”

T. Arndt, J. Klose, M. Gerstenmeyer, V. Schulze Tool wear development in gear skiving process of quenched and tempered internal gears S. 1331-1344

„… modification coefficient xE 0.16546 Root diameter df2 143.2 mm Tooth width b2 27.2 mm Tool and process data …” „… conventional flood cooling when the re-quired surface qualities and tool life are considered. This finding for …”

doi.org/10.51202/9783181023891

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