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Cylindrical Curvature Lapping Using a Rotary Lap

IP.com Disclosure Number: IPCOM000096528D
Original Publication Date: 1963-Jul-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 21K

Publishing Venue

IBM

Related People

Garnier, MF: AUTHOR

Abstract

This is a rotary lap for forming a cylindrically curved surface on a workpiece.

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Cylindrical Curvature Lapping Using a Rotary Lap

This is a rotary lap for forming a cylindrically curved surface on a workpiece.

A wide angle conical lap 1 is used to generate a curved surface on the face of a workpiece 2, e.g., a lens or the like, such that the curve is hyperbolic in nature. By proper selection of the conical angle theta and the working radius 3 of the lap it is possible to produce a surface which is essentially a cylindrical segment of a very large radius.

With a lapping surface shaped, and continuously dressed in the form of a very wide angle cone, flatness in the direction perpendicular to curvature is preserved and a surface of near constant radius of curvature is produced.

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