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Plans of Cavity Production Facility at KEK

Plans of Cavity Production Facility at KEK. Seiya Yamaguchi, KEK Sep. 30, 2009. 2009 Linear Collider Workshop of the Americas , Sep. 29-Oct. 3, 2009 Albuquerque, New Mexico. Purpose of Cavity Production Facility at KEK. Cavity manufacturer in Japan is only MHI at this time.

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Plans of Cavity Production Facility at KEK

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  1. Plans of Cavity Production Facility at KEK Seiya Yamaguchi, KEK Sep. 30, 2009 2009 Linear Collider Workshop of the Americas, Sep. 29-Oct. 3, 2009 Albuquerque, New Mexico

  2. Purpose of Cavity Production Facility at KEK • Cavity manufacturer in Japan is only MHI at this time. • High-gradient performance is not enough. Although distinction between fabrication and processing is necessary, fabrication is imperfect (ununiform bead width, pit/bump). • Cost is high. • We started collaborative research with other vendors. • We will work with these vendors (inc.MHI) using this Facility. • We expect - reveal limiting factors of HG performance - quick feed back this knowledge to fabrication at vendors - establish cavity manufacturing procedure for mass production - cost down by competition

  3. Building for Cavity Production Facility STF old PS energy center

  4. Future Cavity Production Facility (draft scheme) Chemical polish EBW machine clean room (10,000) truck yard machining press trimming

  5. Specification of EBW machine Committee on EBW (June, 09~) • Powermax • HVmax • Gun slide • Rotary device • Vacuum pump • performance • Monitor • Software gun Extension chamber

  6. Scenario for EBW process 1) Establish conditions for EBW. HV, current, beam size, speed, vacuum, inner/outer, positioning/direction, etc. (KEK has 3 experienced people) • 2) Establish fabrication procedure of 9-cell cavity. • 3) Improve fabrication efficiency. - application of multi cavities and/or road lock system. - automatic operation system. • 4) Demonstrate capability for mass production.

  7. Time Schedule of Cavity Production Facility (tentative) JFY 2009 2010 2011 2012 2013 2014 contract installation production operation EBW machine repair Install machines Building (old PS energy center) EBW R&D Cavity trial manufacture H. P. Gas check STF Phase 2 9 cavities (MHI) Jacket install operation VT 4-9 cavities VT VT 4 cavities VT 4 cavities VT 5 cavities VT

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