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VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2022

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

S. Bill Efficiency improvement and surface protection by using particle-based phyllosilicate-additive S. 935-942

„… Efficiency Improvement and Surface Protection by Using Particle-based Phyllosilicate-Additive …” „… Croda Int Plc and developer and manufacturer of an innovative phyllosilicate-based surface treatment …” „… and build through their adsorption a protective phyllosilicate-based coating on the surface. The …”

S. Matkovič, M. Kalin Effect of tribological properties on tooth root fatigue failure of polymer gears S. 1257-1268

„… surfaces come in contact, so tribology plays an important role in meshing. Typical contact for …” „… characteristics of such contacts usually depend on the properties of the tribofilms that generate at the surfaces …” „… pinion (100Cr6) until failure. The surface roughness Rz of pinion was 1.5 µm. Test rig detects failure by …”

A. Baumann, B. Bertsche Coefficient of friction behavior of gear oils and significance for the meshing process of spur gears S. 745-762

„… sliding friction component, so-called slip, is superimposed. Pure rolling friction only occurs in the …” „… device to study the frictional behavior of a mineral base oil by varying surface roughness, SRR, rolling …” „… roughness of the contact surfaces. At the contact points there are mixed friction conditions created by …”

M. Steinbacher, T. Boyraz, R. Fechte-Heinen, G. Hellenbrand Heat treatment development for the new steel grade X20NiCrAlMoV6-5-2-1 for high performance gear wheel application S. 891-902

„… propagation significantly [3]. To achieve high surface hardness a case hardening or duplex heat treatment …” „… high, for a potential gear wheel application hardness still is sub-optimal. Typically a surface …” „… introducing a diffusion element like nitrogen through plasma-nitriding to increase hardness of the surface …”

P. Mahendra Rao, S. Foletti, L. Bonaiti, C. Gorla, S. Beretta, F. Concli Mode III threshold under rolling contact fatigue and development of a test gearbox for planet gears S. 499-510

„… , a preliminary analysis that aims to define the complex stress state at, and below the surface at the …” „… and below the surface to a depth up to which all the stress components have a significant influence …” „… depths, starting from the surface, and then moving radially deeper into the material away from the …”

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

„… with respect to the pinion. VDI-Berichte Nr. 2389, 2022 665on modifications of the pinion surface …” „… nodes located on the gear tooth surfaces and periodic conditions are applied to the radial edges at the …” „… zero, an opening condition is imposed to the radial surface and a nil velocity to the nodes located in …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… experiment when surface tension models are included. To reproduce the qualitative trends of the experiments …” „… components are always required to deliver the power generated by an engine to the road surface. Current …” „… from the native handling of multi-phase and free surfaces flows, SPH has also proven to provide …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… the two-disc test, albeit with a slide-to-roll ratio of 200 % (pure sliding). With this test setup …” „… , the semi-cylinder exhibits a rear, planar mounting surface. The semi-cylinder test specimens were then …” „… semi-finished parts, which were then turned and ground into test-ready specimens with a surface roughness of Ra …”

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

„… deformation, tooth root fracture due to fatigue, surface breakdown, and abrasive wear also play a role …” „… simulation of real component surfaces. With the locally acting line loads ? , the width of a single contact …” „… ? 6 From Eq.6 can be seen that no abrasive wear can occur in the region of pure fluid friction, since …”

S. Reitschuster, C. M. Illenberger, T. Tobie, K. Stahl Application of high performance polymer gears in light urban electric vehicle powertrains S. 1181-1196

„… first gear-stage is designed as a pure polymer-polymer pairing in order to reduce the occurring flank …” „… ? Surface roughness factor [1] ? Spiral angle factor [1] ? Contact ratio factor [1] ? ?/?? Root …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - 16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

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VDI Wissensforum GmbH (Hrsg.)

16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

Reihe: VDI-Berichte

Band 2296 2017

Treffer in den folgenden Teilen:

F. Calabrese, C. Ludwig, M. Bäcker, A. Gallrein Parameter-Identifikation eines thermomechanischen Reifenmodells basierend auf Flachbahn-Messungen S. 57-76

„… local heat sources in the thermal model. The friction is modeled temperature dependent (surface …” „… different preloads and camber Contact Patch model Warm Up: Pure rolling at different velocities and preloads Fz …” „… because the friction power is in equilibrium with the power absorbed by the track surface) and the lateral …”

M. Selig, M. Meyer, F. Petry, S. Westermann Reifensimulationsmodelle der Zukunft S. 33-46

„… and road surface, but the coefficient of friction is not constant. It depends on following properties …” „… : • The tread compound • The road surface roughness • The contact pressure • The sliding velocity …” „… interaction due to the differences of the surface properties. VDI-Berichte Nr. 2296, 2017 35 A …”

G. Heinrich, A. Das Smart Rubber and Tire Innovations for Next Tire Generations S. 271-282

„… tearing energy under periodic deformations of pure shear rubber specimen using a Tear Fatigue Analyzer …” „… heating process applied across a damaged surface of a test specimen supports the healing process …” „… : Simultaner Zug-(Tensile-) und Pure-Shear Prüfmodus bei optimierter Risserfassung; Kautschuk Gummi …”

doi.org/10.51202/9783181022962

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 92 (2017) Heft 01 ISSN Online: 0005-6650

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Ulrich Gerhaher, Rainer Zindler, Bertram Grass Schwingungsisolation von Gebäuden mittels hochbelastbarer, elastischer Punkt- und Streifenlagerung, dargestellt am Beispiel des Projekts Einkaufszentrum und Hotel Moosach/Vibration insulation of buildings using highly stressable, elastic point and line bearings, illustrated by the example of the projekt „Shopping Centreand Hotel Moosach“ S. 32-38

„… the foundation slab of a building – usually as full-surface application – or on top of walls and …” „… means a reduction of the loads as well as a reduction of the plane surface as a result of the …” „… available surface on top of walls and bearings. In most cases the arrangement of the elastic layer in a …”

doi.org/10.37544/0005-6650-2017-01

VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (Hrsg.)

DRITEV – Drivetrain for Vehicles 2021

Reihe: VDI-Berichte

Band 2381 2021

Treffer in den folgenden Teilen:

T. Skubacz, C. Burkhardt, S. Krischke Shift Elements for Electric and Hybrid Drivetrains – Shift elements with low drag losses, high actuation energy efficiency and integrated overload protection S. 487-498

„… driving, purely combustion-engine or pure electric driving modes. Serial hybrid configurations enable …” „… pure electric driving, recuperation, but also charging while stationary, as well as range extender …” „… surfaces and the friction diameter or cone angle. The dogs of the outer cone engage in an axially …”

J. De Landtsheere TREMEC HYbrid DRive Axle – HYDRA – Hybridization enables RWD dynamics in a FWD car S. 125-144

„… significantly compared to pure ICE powered vehicles on the market today. Initially designed as an AWD+P4 axle …” „… for FWD platforms, architectural derivatives are possible for RWD+P3 applications or pure e-axles …” „… emissions of the PHEV variants are typically in order of 20-25 % of their pure ICE counterpart, with many …”

M. Häßler, O. Werner The Pendulum Rocker Damper – Providing flexible damper characteristics for hybrid powertrains S. 329-346

„… conditions that must be fulfilled to guarantee pure rolling. Roller contact pressure Each pendulum …” „… surface. Their circumferential components represent the transferred torque, their components in direction …” „… corresponding friction surfaces each being subjected to the axial force of an own diaphragm spring or wave …”

A. Ramsauer, A. Pujari Frontloading for (Hybrid-) Transmission Integration at BMW S. 101-116

„… powertrain ensures a setup for pure driving pleasure. Besides giving an overall impression of the driving …” „… from a simple 0 to 100 km/h acceleration to complex skidding turns or drives on surfaces with …”

M. Giannantonio, S. Henzler, S. Rinderknecht Advanced Design of Dedicated Hybrid Drivetrains S. 77-100

„… this paper (refer Fig. 1 lower part). In general, the approach is suitable for pure electric drive …” „… clearance surface as shown by the variant on the right side (= ). By the way, the Final drive gear EM1 …” „… z x y EM2 EM1 Ground clearance surface VDI-Berichte Nr. 2381, 202194 Preflight Lx3 am September 15 …”

doi.org/10.51202/9783181023815

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C2 Deutschland

Alle Ausgaben: C2 Deutschland

C2 Deutschland Jahrgang 16 (2022) Heft 95 ISSN Online: 2366-6943

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Liefersicherheit bewahren, Nachhaltigkeit steigern S. 16-17

„… in der Papier-fabrik beginnt: mit purem Altpapier. Präzisionsprodukt HartpapierhülseDie Vorteile und …” „… den gesamten Kunststoff- LebenszyklusBST iPQ-Surface High-End Oberflächen inspektion für 100 …” „… iPQ-Surface High-End Oberflächen inspektion für 100 % QualitätSMARTDataKomplexe Produktionsprozesse in ihrer …”

doi.org/10.51202/2366-6943-2022-95

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