Tower 0 Alignment Post-Mortem Meeting
Oct. 26, 2004
Action- Martin will coordinate analysis with John Ku to determine acceptable out of plane condition. Follow-up action Martin & Arthur (if req’d)- develop proposed method to compensate (shim?) to ensure that out of plane condition is not exceeded.
1) Height to top of top tray
2) Height to top edge of corner mount bracket (measured during +z up)
3) Height to bottom edge of sidewall
4) Height to bottom of flexures
5) Include max and min dimensions for line items
6) Provide text description for line items and include sign convention and figures if required.
Note: The FIRST alignment summary report is generated as follows:
raw data is recorded and stored (in a text file) on the CMM in
2- There is a CGI webpage on the SLAC web server.
3- CMM raw measurement data (pts) and David Tackes CMM report is down loaded to a memory stick (sneaker net).
4- INFN uploads measured data to INFN database. This is a raw ASCII text file for data storage and CMM report.
5- Raw data File is uploaded to the CMM data summary tool (located on the SLAC web server). This is performed for every tower. Tower summary alignment report is generated for each tower.
6- A copy of the tower alignment summary sheet (processed readable data) shall be uploaded to the INFN data base.
The SECOND alignment summary report shall be generated after completion of the “right-side-up” tower CMM measurements. The steps are the same as above, but this includes tower top, Corner Mount Bracket, Base Plate, and reflector ball fiducialization data. Also include duplicate data on SCS and TCS offsets for comparison between runs.
ACTION—update scripts for programs 1, 3, and 4 to include raw data text file output for summary data processing at SLAC
Action- Arthur to place updated tower alignment summary template onto the SLAC web server.
Action- Arthur to create a link from the tracker web page to the SLAC web server for alignment data.
1) Place softcopy of alignment programs on LATDOCs. (Qty. 5 programs)
2) Each program will have two files on LATDOCs (ASCII & Program format)
(combine the latdoc & description if file name)
3) Burn multiple copies of files on CDs
4) Distribute copies to
a. Robert Ruland
b. A. Scholz (working copy and master)
Action- Discuss impact to schedule if Tower alignment does not complete on schedule (SLAC team have plans to spend Thanksgiving with their families! (Robert & Persis)