Zusammenfassung
Der Bericht ist ausschließlich als PDF-Dokument erschienen!
Drei Konferenzen in einer, auf 1.874 Seiten finden Sie jede Menge aller neueste Informationen zum Thema Gears.
Die beiden anderen Konferenzen waren:
3rd International Conference on High Performance Plastic Gears 2019
und
3rd International Conference on Gear Production 2019
Achtung:
Dieser VDI-Bericht ist ausschließlich als PDF-Datei auf CD-ROM lieferbar!
Auszug aus dem 22-seitigen Inhaltsverzeichnis:
Foreword 1
K. Stahl, Technische Universität München (TUM), Garching
International Conference on Gears 2019
Flank strength
Influence of gear surface roughness on pitting and micropitting life 3
E. Bergstedt, Prof. U. Olofsson, KTH, Stockholm, Sweden;
J. Lin, Beijing University of Technology, Beijing, China;
P. Lindholm, ABB Corporate Research, Västerås, Sweden
Influence of stressed volume of tooth flank on the surface durability 15
A. Kubo, Research Institute for Applied Sciences, Ooicho, Kyoto, Japan
Transfer of the tooth fl...
Schlagworte
Gears gear surface roughness flank strengh pitting micropitting tooth flank surface durability damage pattern flank fracture fatigue testing particle-based parkerized gears- 1–2 Foreword 1–2
- 3–46 Flank strength 3–46
- 47–90 NVH 47–90
- 91–136 Efficiency 91–136
- 137–184 Tooth root strength 137–184
- 229–286 Condition monitoring 229–286
- 287–330 Strength 287–330
- 331–366 Transmission error 331–366
- 403–448 Geometry, quality 403–448
- 449–492 Dynamic 449–492
- 541–582 Lubrication, EHL 541–582
- 689–740 Calculation/standard 689–740
- 785–834 Elastic gear deformation 785–834
- 835–876 Application 835–876
- 877–924 Gear material 877–924
- 925–972 Tooth profile geometry 925–972
- 973–1026 Profile modifications 973–1026
- 1027–1076 Diagnosis, damage detection 1027–1076
- 1077–1122 Multi body systems, control 1077–1122
- 1123–1164 Special applications 1123–1164
- 1165–1266 Poster Exhibition 1165–1266
- 1187–1190 Micro-hobbing 1187–1190
- 1267–1378 Strength evaluation 1267–1378
- 1367–1378 spur gears 1367–1378
- 1379–1420 Tooth flank load capacity 1379–1420
- 1421–1452 NVH/condition monitoring 1421–1452
- 1453–1496 Application 1453–1496
- 1497–1544 Industry 4.0 1497–1544
- 1545–1578 Measurement technology 1545–1578
- 1579–1618 Gear soft machining 1579–1618
- 1619–1664 Gear skiving 1619–1664
- 1665–1696 Bevel gear production 1665–1696
- 1697–1748 Gear honing & grinding 1697–1748
12 Treffer gefunden
- „... pinion (Fig. 4.a). This is due to the radial ejection of the flow by the rotating teeth leading to flows ...” „... )). Within the arrival of powerful computational methods, a “Computational fluid dynamics” (CFD) based on ...” „... applied to a spur gear by Pallas (13). This worked helped to understand the air flow behavior around the ...”
- „... as flow factors or solid contact pressure curves [3, 4]. The micro contact calculation based on ...” „... integrated by look-up tables, such as regression equations for fluid film thickness. However, the ...” „... influence of fluid pressure on the elastic deformation of the surface topography. 2. Calculation Method ...”
- „... conditions and mostly to spur gears only. To overcome these limitations, the computational fluid dynamic and ...” „... considers 2 incompressible fluids, capturing the interface using a VOF method with mesh motion. It relies ...” „... (Fig. 2). Fig. 3: Flow chart of the GRA VDI-Berichte Nr. 2355, 2019106 Fig. 4: Example of mesh ...”
- „... the contact, the grease will flow to sides and next to the contact over time. There may be very ...” „... pressure spike for small values of the flow index. Zhang et al. [9] analyzed the change law of typical ...” „... fluid and its rheological properties are usually described with the Herschel-Bulkley constitutive model ...”
- „... on the Reynolds equation, elasticity equation and the fluid model, calculates contact pressure ...” „... flow factors or real 3D topography measurements. Literature, e. g. [7], describes the theory behind the ...” „... tribology assessment tool. Important parameters are topography and fluid characteristics. Fig. 4 ...”
- „... dynamic behavior, on component level, like CFDsimulations of the oil flow and TEHL simulations and even on ...” „... the application of tailored synthetic or even water based lubrication fluids are typical. Several ...”
- „... and the hydro cylinder 2. The cylinder is filled by a viscous fluid. The dashpot procures ...” „... and creates the resistance to an energy flow depending on its intensity. Fig. 4: Rotational ...” „... enclosed external moments. Relative speed is connected with fluid consumption through drain ports 12 /v ...”
- „... computational techniques and resources, researchers used modelling and simulation of fluid flow in gearbox ...” „... systems using Computational Fluid Dynamics (CFD). Also, it is possible to simulate friction heat ...” „... thermo-fluids of gearbox systems, International Journal of Heat and Mass Transfer 2015, 81, pp. 337– 346 [6 ...”
- „... measure the current flow induced by hydrogen diffusion through the metal sample (Fig. 1a)). The sliding ...” „... (MAC fluid) from Nye Lubrication with a viscosity of 108 cSt (40°C) and (ii) perfluoro-poly-ether ...” „... (PFPE) from Klüber Lubrication with a viscosity of 100 cSt (40°C). The MAC fluid is a 1,2,4-Tris (2 ...”
- „... the assessment of mixed friction conditions, non-Newtonian flow behavior and mass-conserving ...” „... in [3] and [4]. A discrete mixed friction model is included as well as a non-Newtonian flow model ...” „... on pressure and temperature. For the representation of non-Newtonian flow behavior a shear thinning ...”
- „... gears, fluid lubrication is required for effective heat removal and prevention from wear. The ...” „... could be present even at fluid film lubrication. The elastic deformation of the thermoplastic surface ...” „... ]. Most of the above studies have stressed a precise description of fluid behavior in soft EHL contacts ...”
- „... load-bearing area under fluid film lubrication, fs is the friction coefficient of the area under boundary ...” „... , 2019368 3.1 Calculation of mesh friction loss Figure 3 is a flowchart of the procedure for calculating ...” „... . ∬ , , , VDI-Berichte Nr. 2355, 2019 369 Fig. 3: Flowchart of simulation program for estimating mesh efficiency ...”