B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/174
B23P 15/14 (2006.01) B21K 1/30 (2006.01) B23F 1/00 (2006.01)
Patent
CA 1305316
ABSTRACT OF THE DISCLOSURE A method for providing ring gears (14) for heavy-duty vehicle ring gear/pinion gear gear-sets (12/14) is provided. The method comprises providing a near net ring gear forging (106) which is machined on other than the root and flank tooth surfaces (90), subjected to a carburizing heat treatment (92) and then subjected to a grinding operation, preferably utilizing cubic boron nitrate grinding tools, to finish machine the tooth flank and root surfaces to the final configurations thereof (94).
557083
Sabroff Alvin Marton
Vollmer George Winfield
Borden Ladner Gervais Llp
Corporation Eaton
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