Patent ID: 6390894
Filing Date: 2002-05-21
Classification: B23F,B23P,Y10T

Abstract:
A precision grinding apparatus for grinding face gears comprising:suitable gear table means being controllably driven for rotation about a central axis (B), said gear table means also being movable in a vertical plane along a (W) axis in a second controlled manner, a cased hardened face mounted on said gear table means, said face gear having a series of gear teeth formed therein, a grinding wheel mounted on said apparatus having a third controlled driven rotation about a central (C) axis, said grinding wheel being provided with a grinding surface of a predetermined shape in the form of a worm for meshing with and grinding the gear teeth existing on said gear to a predetermined finished shape, said grinding wheel being movable in a fourth controlled manner toward and away from said gear along a feed (V) axis, wherein motion of said grinding wheel in said (C) and (V) axes and movement of said gear in said (B) and (W) axes is controlled by a central control means.