July 17, 2009 CDC Meeting

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Meeting Time and Place

Friday July 17, 2009 at 2:30pm At Jefferson Lab, the meeting will be held in room ARC 428

Connections

To connect from the outside, please use ESNET
1.) ESNET: 8542553
2.) Phone:
+1-800-377-8846 : US
+1-888-276-7715 : Canada
+1-302-709-8424 : International
then enter participant code: 77438230# (remember the "#")

Agenda

  1. CDC Hardware costs Costs

Minutes

  1. Action Items/Decisions
  • Discussed high prices for tight tolerance components
  • Checked IDEAL tool and manufacturing in Chicago. No listing
  • Tim to discuss with vendor repair of end plates if hole messed up
  • Carnegie Mellon to use GARFIELD to check electric field around crimp pin insert
  • CMU to look over to see if piece tolerances can be loosened to ± .001 in
    • These are ok for hole position. We had tightened them for gluing purposes.
  • OK if we open end plate to .005 tolerance on hole positions, need to reduce straw diameter to prevent interferences
  • Conductive rubber tubes cover 30% of gas holes - ok
  • Add holes for 1/4 inch survey balls in top downstream plete to match upstream (2 at 90°)
  • CMU to send list of glues
    • Silver Epoxy: Tra-Con TRA-DUCT 2929
    • Scotchweld 190 & 270
  • JLAB to specify glue for rohacel to mylar joint

Notes