Precision grinding of a part-spherical recess

Details Precision grinding of a part-spherical recess Precision grinding of a part-spherical recess

1998-07-07

2000-03-21

Eley, Timothy V.

Abrading

Machine

Rotary tool

451 8, 451242, 451246, B24B 700

Patent

active

060396369

ABSTRACT:
An apparatus for precision machining a part-spherical recess of a workpiece has a workpiece holder adapted to hold the workpiece which is rotated thereby about a symmetry axis of the recess and a honing tool which is rotated about a tool axis inclined to the workpiece axis while being urged along tool axis against a surface of the recess to hone the surface. In accordance with the invention a spacer body displaceable generally along the workpiece axis is engageable in a use position with the surface and carries a pair of feelers fixed relative to the spacer body. The feelers are in the use position of the spacer body spaced along the workpiece axis from the spacer body, symmetrically diametrally flank the workpiece axis, and engage the surface.

REFERENCES:
patent: 2212511 (1940-08-01), Conradson
patent: 4827675 (1989-05-01), Andrews

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