PROCESS FOR MANUFACTURING CANTILEVER SPRING BLADES FOR AdvLIGO

Document #:

LIGO-E0900023-v14

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-v14_Manufacturing Process Spec for Cantilever...pdf (327.2 kB)

Other Files:

• E0900023-v14_Manufacturing Process Spec for Cantilever...doc (642.0 kB)
• Maraging Steel Blades flowchart_v4.pptx (40.6 kB)

Topics:

• System Engineering
• Basic R&D

Authors:

• Douglas Cook
• Mick Flanigan
• Dennis Coyne
• Michael Meyer
• Calum Torrie
• Janeen Romie
• Ken Mason

Notes and Changes:

v14 Calum Torrie. For clarity a flowchart is given in figure 1 outlining the steps involved in the default process and alternative process. Else no changes. 12/21/2018

v13 Note added by Norna 31st May 2018.
The two sentences in section 2.2. which have been in and out of this document (see notes on v11 page ) were removed again in this version.

Related Documents:

Referenced by:

• LIGO-E1300295: SLC & VP Materials and fabrication specification
• LIGO-T1100165-v2: AOS SLC Manifold/Cryopump and Mode Cleaner Tube Baffles FDR
• LIGO-T1000747-v4: Arm Cavity Baffle Final Design (SLC)
• LIGO-E1200686-v2: aLIGO HAM-ISI, "Common Documentation" (List of all DCC trees, wikis, and general documentation)
• LIGO-D071100-v3: Spring