Full Content is available to subscribers

Subscribe/Learn More  >

Form Grinding of Helical Gears: Effects of Disk Shaped Tools Plunging

[+] Author Affiliations
Carlo Gorla, Francesco Rosa

Politecnico di Milano, Milano, Italy

Paper No. DETC2003/PTG-48093, pp. 731-739; 9 pages
  • ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4: 9th International Power Transmission and Gearing Conference, Parts A and B
  • Chicago, Illinois, USA, September 2–6, 2003
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-3702-5 | eISBN: 0-7918-3698-3
  • Copyright © 2003 by ASME


Following the example of aerospace transmissions producers, nowadays, more and more industrial fields are interested in reducing transmission noise and vibration and in increasing operating life. This requires a precise understanding of the real transmission behavior since the first steps of the design process. The usual approach is to apply theoretical meshing loads and to compute web, rim and supporting structures deflections by one of the several available methods (i.e. Finite Element Method), in order to predict stresses and deformations. But these calculations usually neglect that deformations modify gear meshing conditions, and therefore also load conditions can be very different from the theoretical ones. In order to realize models that simulate the contact between the actual tooth surfaces, taking into account the actual gear meshing conditions, we first need to know the gear tooth flank microgeometry. Also the experimental development phase of gear pairs could take advantage from a theoretical prediction of gear tooth flank micro-geometry, in order to minimize the necessary trials to set up the grinding machine. In this paper, a method and a software to compute the actual micro-geometry of ground tooth flank surfaces of helical gears is presented. In particular the grinding process by means of disk shaped tools has been studied. The effects of the choice of various parameters (especially the angle between the gear and the tool axis) have been investigated. The effects of tool plunging during its motion along the gear face have also been considered in order to appreciate the undesired modifications of tooth transverse and normal sections, caused by the particular shape of the instantaneous contact lines between the grinding wheel and the gear tooth flank being ground. The introduction of a new component of the tool relative velocity with respect to the gear, in fact, modifies the meshing conditions between the gear and the tool. The modification of the tool axis orientation, during the grinding operation, reduces this undesired effect. As a result of these calculations, the exact theoretical surface for more realistic meshing simulation is available, and, furthermore, the run of some simulations can give some helpful hints to set up the grinding machine and to design the grinding wheel.

Copyright © 2003 by ASME



Interactive Graphics


Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In