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Comparison of the Performance and Cost Properties of Automatic Transmission and Four Wheel Drive Transfer Case Planetary Carriers
Technical Paper
2004-01-0489
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
There is continued demand for cost and weight reduction as well as for improved process control in the production of P/M planetary carriers. After a brief review of sinter brazing as the primary process for the joining of P/M carrier components, capacitor discharge (CD) welding is introduced as a promising alternative.
The processing of carriers by CD welding is described and the possibilities of advanced process control offered by this technology are reviewed. Subsequently, the micro-structure and mechanical properties of CD welded carriers are analyzed. Actual application validation data for ultimate and torsional fatigue as well as ultimate axial loading are presented for a two piece carrier produced from a P/M body and a stamped sheet metal spider as launched in the Ford Motor Company 5R55 transmission. Finally the processes of sinter-brazing and CD welding are compared, specifically the mechanical performance and manufacturing costs.
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Authors
Citation
Sigl, L., Krehl, M., Petrilli, R., Gawronski, R. et al., "Comparison of the Performance and Cost Properties of Automatic Transmission and Four Wheel Drive Transfer Case Planetary Carriers," SAE Technical Paper 2004-01-0489, 2004, https://doi.org/10.4271/2004-01-0489.Also In
References
- Strömgren M. Andersson O. “Brazing of P/M Parts by Sintering” Technical Publication # PM 89-6 Höganäs AB Sweden 1989
- Andersson O. “Joining of P/M Parts by Brazing” Third Int. Conf. on Brazing, High Temperature Brazing and Diffusion Welding Aachen (Germany) Nov. 24-25 1992 Deutscher Verband für Schweißtechnik e.V. 1992
- Parkus H. “Mechanics of Solid Bodies” Springer-Verlag Vienna-New York 1966
- Technical Brochure “Sinter Braze 90” Höganäs AB Sweden