Method for producing ring gears for heavy-duty drive axles

Details Method for producing ring gears for heavy-duty drive axles Method for producing ring gears for heavy-duty drive axles

1987-02-12

1988-08-09

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

51287, B23P 1514

Patent

active

047618671

ABSTRACT:
A method for providing ring gears (14) for (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 nitride grinding tools, to finish machine the tooth flank and root surfaces to the final configurations thereof (94).

REFERENCES:
patent: 832380 (1906-10-01), Hartness
patent: 1042819 (1912-10-01), Parker
patent: 1305050 (1919-05-01), Beall
patent: 1336493 (1920-04-01), Tibbetts
patent: 1716637 (1929-06-01), Hovey
patent: 2407642 (1946-09-01), Ashworth
patent: 2713277 (1955-07-01), Kaul
patent: 4272927 (1981-06-01), Myers et al.
Metal Progress, "Materials and Processing Databook '81", Jun. 1981.
Gear Handbook, pp. 20-29, McGraw-Hill, 1962, Darle Dudley.

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