PRE-PROCESS STRESS LOADING OF COMPONENTS FOR POST-PROCESS WARP CONTROL

Title:

PRE-PROCESS STRESS LOADING OF COMPONENTS FOR POST-PROCESS WARP CONTROL

Document Type and Number:

WIPO Patent Application WO/2010/008732

Kind Code:

A3

Abstract:

A process and apparatus neutralizes a warp effect resulting from a build up of micro strains caused by machining a part with a long wavelength laser. The part to be machined is pre-stressed in an opposite direction of a warp stress due to machining using a fixture for holding the part without yielding any other features in the part. The part is machined while held in the pre-stressed position in the fixture.

Inventors:

KOSMOWSKI MARK T (US)
ALPAY MEHMET E (US)

Application Number:

PCT/US2009/047486

Publication Date:

April 22, 2010

Filing Date:

June 16, 2009

Export Citation:

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Assignee:

ELECTRO SCIENT IND INC (US)
KOSMOWSKI MARK T (US)
ALPAY MEHMET E (US)

International Classes:

C21D1/09; C21D7/13; C21D9/00

Foreign References:

US20030121574A1	2003-07-03
EP0190378A1	1986-08-13
JP2004216440A	2004-08-05
JPS63130295A	1988-06-02

Attorney, Agent or Firm:

KNIGHT, Michelle, L. et al. (PC3001 West Big Beaver Rd., Ste. 62, Troy MI, US)

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