HGCAL ETP weekly meeting

Friday Mar 14, 2025, 9:30 AM → 10:10 AM Europe/Berlin

401/224 (Campus North)

Zoom: https://cern.zoom.us/j/7205019726

Update from Markus:

• CuW status:

  • 30 additional CuW sheets have been ordered through KIT. This is a bit more expensive (~15%) because it was in lower quantity. We don't expect price changes for build orders

  •  In currently have in the workshop 16 sheets remaining, this should last us until mid-May

• Ti status:
  • All CEH design files for baseplates have been updated 
  • For the 14 Ti sheets, 10 will be sent to industry for heat treatment, will be cutting some CEH-Partials with the remaining plates
  • 500 CEH-Full plates to be order through industry to help bridge the gap of when Madras is able to deliver bulk amounts of Ti plates. This still has a lead time of ~8weeks
• Kapton status:
  • All CEH design files for Kapton has been updated
  • Need to check with Bernd the status of the 650 CEH-Full Kapton that has been
  • Will have a follow-up discussion Tuesday (Mar 18th) of what needs to ordered through KIT to cover us until the CERN order goes through

 

Update from Jay:

• Will be designing new alignment jig for the Keyence machine (speeding up measurement time)
• Discussion with Tobias about vacuum pickup tool to avoid scratching the Glass (we are currently going though the protective sheets at ~1 sheet/week)
• All Keyence measurement programs has been updated and should now be faster.
• All shipped products will be uploaded to the central database on Monday (NTU was requesting this information)

 

Update from Yi-Mu:

• Production is going smoothly at ~10 plates/day
• Discussion of technicians is going OK, will need to talk about expectations of product.
• HiWi training is going well, most knows how to course correct if something goes wrong.
• Scheduling HiWi/technician next week if possible to see if there are unforeseen impedance mismatches with different personnel matching.
• Ramp up requirement:
  • Curing shelf. Items has been sent to the workshop. Still needs machining and assembly.
  • Scheduling of personnel needs to happen earlier with Stefan.

 

Outcome of workshop discussion:

• They won't cut more CuW
• Will send off the Ti plates for annealing
• Will cut some partials from the Ti if possible
• Will cut some dummies out of Al
• Will order 500 Ti Full plates from industry
• Need more materials to finish shelf for clean room.
  • Main missing material are for the slide out shelves and weights. 
  • We only need 24 shelves for the initial ramp up test. We have asked if this partial request can be completed sooner with existing material
  • Lead time of material purchase will be ~2weeks.

9:30 AM → 9:50 AM Production update

Speaker: Yi-Mu Chen

YiMu_20250314.pdf

9:50 AM → 10:10 AM Drawings, Materials, Inventory report

Speaker: Jay Lawhorn

Notes:

• 18 Full sheets of CuW left (each fits 5 full plates)
• All Keyence programs revised after talking with Susanne
• Still need input from LLR about how / what to measure on the CuW partial tabs
• Ti drawings have switched to contour tolerance.
• Can Prafulla measure the contour of his pieces?
• Test pieces of the Ti for Zoltan ?
• Test pieces for setting up the Keyence program
• Alignment jig for Keyence (because the area available to the height measurement is very limited, and the metals scratch the protective cover / glass)
• Kapton order?
• Ti order?