Loss of Flexure Bolt Torque

in the First Tracker EM Vibration Test

• Revision to the vibration plan to add notching (pdf)
• Minutes of the December 1 Meeting
• NCR (LAT NCR 00040):
•    Text
•    Inspection Plan
•    Low-level acceleration
•    Random 0-dB acceleration
•    Action Item #2 Response
•   Further information on NCR 0040 provided to QA.
• Engineering Meeting Presentation, December 2, 2003 (ppt)
• Tom's slide on the thread engagement issue (pdf)
• Plan for testing at SLAC the 120-degree screw concept  (Excel)
• Engineering meeting Dec. 3
•    Minutes
•    Martin's sketches and observations (pdf)
•    Jim's Action Item List (Excel)
•    John Ku's presentation (pdf)
•    John Ku's drawings of the concepts discussed (pdf)
•   John Ku's Meeting Minutes (ppt)
• Minutes from Dec. 4
• Note from Hytec on allowable displacements
• Drawings of a fixation method proposed by Sandro (Dec. 5): jpg1, jpg2, jpg3
• Martin Nordby's hand drawings (Dec. 5):  (19-198)   (19-199)
• Draft CAD drawings from Mike Foss of the new interface concept (Dec. 16) (pdf)
• New concept for the interface suggested by the Pisa group (Dec 22): (pdf)
• Variation on the Pisa concept (Jan 8, 2004).  drawing1, drawing2
• Draft drawings of off-center cones for alignment adjustment (Jan 5, 2004)  (pdf)
• Draft drawings of both flexure interface designs (Jan 5, 2004)  (pdf)
• Erik Swensen's analysis of the interface (Jan 6, 2004) (pdf)
• Minutes from the Jan 6 engineering meeting
• Martin's email on tolerances and proposal for shimming
• Sandro's presentation of the Pisa concept (Jan 9, 2004).  (ppt), drawing
• Minutes from the Jan 9 engineering meeting
• Drawing of both flexure interface designs (Jan 13, 2004)  (pdf)
• January 14, 2004.  Tracker/Grid IDD meeting.
• January 20, 2004.  Tracker/Grid IDD meeting.  Martin's tolerances (pdf).  Sandro's note (pdf)
• List of considerations for dual cone design from M. Menning, Feb 3, 04
• Tower alignment considerations, M. Menning, March 22, 2004
• Revised plans for the Grid side of the interface, M. Menning, April 9, 2004 (pdf)

Owner: Robert Johnson

Last Modified: 04/09/2004 03:05 PM