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LARP Phase II Secondary Collimator RC-1

LARP Phase II Secondary Collimator RC-1. Renderings for Acceptance Document Revised 12/17/09. DRAFT. LARP LHC PHASE II COLL RC1 - S. Lundgren 17 Dec 2009 No 1/xx. Facet Flatness Measurement .

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LARP Phase II Secondary Collimator RC-1

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  1. LARP Phase II Secondary Collimator RC-1 • Renderings for Acceptance Document • Revised 12/17/09 DRAFT LARP LHC PHASE II COLL RC1 - S. Lundgren 17 Dec 2009 No 1/xx

  2. Facet Flatness Measurement Paired vertical facets are scanned with CMM probe to establish center of rotation note: profile is also determined Jaw is then rotated for subsequent measurements Measurements taken when facets are horizontal record gravity sag of Jaw Jaw is supported on Tooling Plate for taking measurements

  3. Collimator sag (Jaw and Supports) Scan horizontal facets then subtract values from earlier horizontal data to obtain offset for vertical collimator orientation Change End Plates to tilt Jaw for skew orientation as necessary Add End Plates and Rotate 90 Degrees

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