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CLASSE prototype : mechanical concepts

CLASSE prototype : mechanical concepts. G. De Michele, EPFL-PSI-CERN on behalf of CERN team SLAC , 16 th April, 2012. CLASSE prototype: CATIA model (1/3). Reference spheres. A. Solodko, CERN. Beam. Ø180mm. AS. AS. Al disk. AS. AS. AS. Cell shape accuracy 20µm. (x6)TD26 with

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CLASSE prototype : mechanical concepts

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  1. CLASSE prototype:mechanical concepts G. De Michele, EPFL-PSI-CERN on behalf of CERN team SLAC , 16th April, 2012

  2. CLASSE prototype: CATIA model (1/3) Reference spheres A. Solodko, CERN Beam Ø180mm AS AS Al disk AS AS AS Cell shape accuracy 20µm (x6)TD26 with Compact Couplers AS Features for Tank alignment on the girder Damping material (SiC) Aluminium disk Features for AS alignment in the Tank 6 sections, 26 cells each, compact coupler design Clamped aluminum disks Corner for SiC fixation Threaded rod for disk clamping

  3. CLASSE prototype: CATIA model (2/3) A. Solodko CERN

  4. CLASSE prototype: CATIA model (3/3) A. Solodko, CERN Frames for AS fixation Blocks for horizontal AS alignment (x4) • Estimatedtotal loadof the CERN installationisabout 400 kg • Two vacuum ion pumps (noble diode pumps, 53 l/s) • The RF structure is aligned mechanically inside the vacuum tank • The vacuum tank will be aligned to the beam axis by means of adjustable feet • Two tooling balls on both ends are present on top of the vacuum tank Screws for vertical AS alignment (x5)

  5. CLASSE drawing A. Solodko, CERN

  6. LI02 sector: location of ASSET test Existing girder (a) Clamps (b)

  7. Questions and remarks • Deadline - supposed date for the installation. • SLAC expert contact for integration check. • Needed alignment features on the tank. Possibility to use existing strongback alignment features should be checked taking into account the weight of the tank (400 kg). Drawings or sketches if they exist. • Value for alignment. • What is the alignment procedure at SLAC and there will be a check of AS alignment into the tank at SLAC? Is manpower available? • Bellows should be fabricated and inserted to cover 25cm length. • Two ion pumps (53 l/s) are required. Can SLAC provide them? If so, which type of flange do we need? • The AS will be aligned and fixed into the tank at CERN. After that will be shipped at SLAC. • Compatibility of .stp file with the up-to-date SLAC layout • The final drawings should be commented by SLAC colleagues (as soon as they will be finished).

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