Method for precision-grinding a bezel at the inlet bore a workpi

Abrading – Abrading process – Ring – tube – bushing – sleeve – or cylinder abrading

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451 57, 451 61, 29888075, B24B 100

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056014767

ABSTRACT:
A method for precision-grinding a bezel at the inlet of a bore of a workpiece, comprising the following steps:
a. generating a bezel at the inlet of the bore of the workpiece by grinding the workpiece at the inlet of the bore with a first grinding tool into a first shape defining an angle correspondingly slightly greater than a desired nominal angle;
b. honing the bore to generate a honed bore; and
c. again grinding the bezel to its nominal shape by means of a second grinding tool, while simultaneously guiding the second grinding tool in the honed bore by means of a pilot.

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patent: 4896638 (1990-01-01), Shepley
patent: 5022195 (1991-06-01), Cattelain et al.
patent: 5133628 (1992-07-01), Negus
patent: 5269103 (1993-12-01), Nagel et al.
patent: 5305556 (1994-04-01), Kopp et al.

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