Recap Clamp Production and Installation RIKEN/RBRC Itaru Nakagawa 1
Components MaterialFlame ResistanceMisc Print boardFR-4UL94 V-0 CapacitorsCeramicUL94 V-0V-resistant 3kV (orig. 4.5kV) Resistors Readout SocketBlass Probe pinBlass rubberUL94 V-0 ScrewSS316 Thru hole tapBlass Clamp Base/spacerpolyphenylene sulfide (PPS) UL94 V-0 Coating 2
Statistics 3
Production Cost US$ = 100 Yen Unit PricePer clamp Capacitor 0.58 Resister Thru whole tap 116 V-Readout Socket 116 Pin Probe 116 Print Board 55 Support Structure Screw116 Total Per clamp560 clamps Material10056k Assembly10056k Total200112k Sub Total 560 Clamps112k Initial Cost10k Profit+TAX12.2k Total152k Coating? Dry Air Cover Unit Price Total16.8k
5 Automation 1.Mount capacitor without cutting legs 2.Soldering 3.Cut off legs Manual Mounting 1.Chop off capacitor legs 2.Mount capacitor 3.Solder
Clamp Schedule clamps production 40 clamps Install Humidity test bench Design Review 5/16 Humidity 1008 ProcurementBid Production Partial Delivery QA Install Delivered to BNL L 6
QA Plan Test RIKEN 7 Contacts (Sampling) Visual Inspection Humidity Performance (Sampling)
PHENIX Requirement Station2&3 Scaffold Dry Air System – Compressor capacity – Pluming – Manifolds – Adapters 8
Station-2&3 Scaffold Access to Anode Area Simultaneously Install Station-2 terminators Simultaneously Install Station-2 terminators 9
PHENIX Dry Air Present40 cfm New Compressor99 cfm Octant Manifold 20 branches/gap 40 branches/gap 10
Installation Duration /clamp/gap/oct/arm Inspection, Mount ¼510 HV test⅕*⅕*12 Debug1224 Dry Air¼510 Total * per 4 clamps Unit : hour 10 weeks man 3 ~ 4 weeks 3man 10 weeks man 3 ~ 4 weeks 3man Installation Crews: IN(2), Yoshimitsu Imazu(4), Kentaro Watanabe(2), Yoshinori Fukao(2), New Senior Ph.D Student(2) Total (12) 11
To be addressed Complete humidity test Dry air test Heat cycle test Optimize coating 12