Procedure for monolithic rehang at LASTI

Document #:

LIGO-T1000049-v3

Document type:

T - Technical notes

Abstract:

The procedure for rehanging the test mass of the NP quad at LASTI on fused silica fibres. Includes removal from the tank, bonding ears to the test mass and PM, production and welding of fibres, and reinstallation.
This is still a work in progress but is available on the DCC for comments and revision.

Files in Document:

• T1000049-v3.pdf (179.8 kB)

Other Files:

• T1000049-v3.doc (984.5 kB)

Topics:

• Suspensions
• Subsystem Test

Authors:

• Douglas Cook
• Mark Barton
• Brett Shapiro

Notes and Changes:

-v3 incorporates revisions to sections 2.1 to 2.4 based on the recent experience at LASTI preparing the quad for the welding.

Referenced by:

• LIGO-E1100290: aLIGO SUS QUAD Assembly and Installation Documentation
• LIGO-T1000337-v4: Quadruple Suspension Monolithic Stage Final Design