Precision tool holder with flexure-adjustable, three degrees...

Details Precision tool holder with flexure-adjustable, three degrees... Precision tool holder with flexure-adjustable, three degrees...

2007-01-12

2008-03-04

Fridie, Jr., Willmon (Department: 3722)

Turning

Lathe

Having facing tool fed transverse to work

C082S157000, C082S158000

Reexamination Certificate

active

07337700

ABSTRACT:
A precision tool holder for precisely positioning a single point cutting tool on 4-axis lathe, such that the center of the radius of the tool nose is aligned with the B-axis of the machine tool, so as to facilitate the machining of precision meso-scale components with complex three-dimensional shapes with sub-μm accuracy on a four-axis lathe. The device is designed to fit on a commercial diamond turning machine and can adjust the cutting tool position in three orthogonal directions with sub-micrometer resolution. In particular, the tool holder adjusts the tool position using three flexure-based mechanisms, with two flexure mechanisms adjusting the lateral position of the tool to align the tool with the B-axis, and a third flexure mechanism adjusting the height of the tool. Preferably, the flexures are driven by manual micrometer adjusters. In this manner, this tool holder simplifies the process of setting a tool with sub-μm accuracy, to substantially reduce the time required to set the tool.

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