Freezing type workpiece fixing method

Details Freezing type workpiece fixing method Freezing type workpiece fixing method

Filed on

1998-02-17

Date issued

1999-11-16

Examiner

Scherbel, David A.

Patent Class

Metal working

SubClass

Method of mechanical manufacture

SubSubClass

Work holding

Other Related Categories

B23Q 700

Type

Patent

Status

active

Patent number

059834838

Description

ABSTRACT:
A workpiece fixing method capable of machining a workpiece with high accuracy by firmly fixing the workpiece with no necessity of using a special freezing chuck device is provided. For this purpose, a macromolecular freezing agent having the freezing point hither than that of water and represented by silicone oil is interposed at least between the workpiece and the surface of a fixing jig under which a fluid at a temperature lower than the freezing temperature of the macromolecular freezing agent is operated on the fixing jig during a time period of machining the workpiece whereby the macromolecular freezing agent is cooled and frozen and the workpiece is adhered and fixed.

REFERENCES:
patent: 3953013 (1976-04-01), Griffith
patent: 5357762 (1994-10-01), Charton
patent: 5762736 (1998-06-01), Herbert et al.

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