Production Schedule Ionization Chambers

1
Production Schedule Ionization Chambers

• IHEP production schedule
• 40 IC in April
• 35 Heads to be welded in IHEP
• All components in IHEP on 1.4. 2006
• Already there
• In the current lorry
• Small items transported by people (critical item
  Al tube)
• 360 IC May 06
• 200 Heads from AeroVac cleaned at CERN
• 160 Heads to be welded in IHEP
• All components in IHEP 1.5. 2006 (critical items
  Al tube, Cu tube)
• 360 per month from June 06 to March 07
• Transport times in the schedule
• CERN IHEP 6 weeks
• IHEP CERN 4 weeks
• Testing at CERN 2 weeks

2
Production Schedule Ionization Chambers

• Components delivery schedule (for production June
  06 and later)
• Transport time according to experience with
  company
• Components for 500 IC per 4 weeks have to be at
  CERN, 5 weeks before production in IHEP at the
  latest.
• Critical item
• heads
• electrode spacers
• Items to be watched
• ceramics,
• tighteners
• Heads production
• 100 to 500 in IHEP
• 3593 in Italy
• Critical item Cu pinch off tube