MINUTES OF RICH1 HPD COLUMN MEETING
Monday 6th November
Present Bill Cameron, Dave Clark, Richard Plackett, Trevor Savidge & Dave Websdale.
Columns
- Prototype columns assembled to be picked up (today) Monday 6th Nov. for delivery to CERN.
- Designs for production U channels 90% complete, only require tolerances to be added
- End rungs (pink pieces) still need to be checked by Ken Wyllie to ensure cable routing is possible. DW will contact him. Will proceed with manufacture in workshop after this.
- TS will start full ladder drawings for external manufacture at AC precision on Thursday 9th Nov.
Extraction Mechanism
- The extraction rods still have to be defined, but currently not slowing progress.
- There is some confusion as to where the columns will be extracted, will HPD box be in raised position on rail system or not. This will be clarified next meeting on Monday 13th Nov.
Cooling
- Honeycomb has been ordered and drawings sent to Mario. Rest of components being drawn, TS working on sub assembly and full assembly drawings. These should be finished by (tomorrow) 7th Nov.
- TS investigating possible flexible compliance parts for couplings, and associated mechanics, may ask for some parts to be made externally, but scheme looks possible at this point.
Patch Panels
- TS will draw data side patch panels for prototyping in the workshop. Should be complete Wednesday 8th Nov.
- RP will continue to investigate how the HV panel can be improved, allowing a better fit for the HV connectors and better alignment with the cable access port in the Magnetic Shield.
Minutes by Richard Plackett