Method of making ring gear and ring gear therefrom

Details Method of making ring gear and ring gear therefrom Method of making ring gear and ring gear therefrom

1989-11-08

1990-08-21

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Gear making

2989337, 29DIG26, 29DIG49, 51287, 409 51, 409 52, 74458, B23P 1700

Patent

active

049494562

ABSTRACT:
An improved method is provided for finish machining forged and/or rough-cut teeth (8) of a ring gear (40) by which a rotary tool such as a rotary carbide milling tool (24) is rotated about a rotational axis "r" that projectionally intersects a bottom surface (12) of tooth (8) as it tracks along a predetermined tool path enabling the rotary tool to be in close proximity to sidewalls (14 and 14') of teeth (8) and thereby eliminating the practice of having to normalize the ring gear microstructure prior to machining teeth (8).

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patent: 4761867 (1988-08-01), Vollmer et al.
patent: 4798077 (1989-01-01), Douglas
patent: 4805429 (1989-02-01), Thompson

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