PROCESS FOR MANUFACTURING CANTILEVER SPRING BLADES FOR AdvLIGO

Document #:

LIGO-E0900023-v5

Document type:

E - Engineering documents

Abstract:

This process specification is for manufacture of cantilever spring blades for Advanced LIGO. It includes material requirements, limitations on shaping, detail on the nickel plating process and details of the age hardening fixture. These springs are for use in an Ultra-High Vacuum (UHV) system.

Files in Document:

• E0900023_Manufacturing Process Spec for Cantilever Spr...pdf (41.1 kB)

Other Files:

• E0900023_Manufacturing Process Spec for Cantilever Spr...doc (433.5 kB)

Topics:

• System Engineering
• Basic R&D

Authors:

• Dennis Coyne
• Calum Torrie
• Janeen Romie
• Ken Mason

Notes and Changes:

Revision v5

The section associated with grinding has been modified and extended to the following: -

"Machine all surfaces to remove oxides and mill finish. Abrasive removal techniques other than Blanchard grinding or double disk grinding, are not acceptable. A surface finish of 32 microinches is required. The vendor will need to confirm this surface finish in the inspection report."

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