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Preliminary PXL support models with assembly fixtures

Preliminary PXL support models with assembly fixtures. http://www-rnc.lbl.gov/~wieman/PIT_fixture_assembly.zip solidworks model http://www-rnc.lbl.gov/~wieman/PIT_fixture_assembly.EASM e-drawing http://www-rnc.lbl.gov/~wieman/RailandKinematicMountOverview.ppt this document.

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Preliminary PXL support models with assembly fixtures

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  1. Preliminary PXL support models with assembly fixtures http://www-rnc.lbl.gov/~wieman/PIT_fixture_assembly.zip solidworks model http://www-rnc.lbl.gov/~wieman/PIT_fixture_assembly.EASM e-drawing http://www-rnc.lbl.gov/~wieman/RailandKinematicMountOverview.ppt this document

  2. MSC_PXL.SLDASM 1 of 4 guide cams 1 of 4 carriage rails 1 of 8 rail bond pads display state: disappear fixtures and ist 3 kinematic mounts with bond pads display state: disappear fixtures

  3. cross section view showing encroachment on IST PXL kinematic mount bond pad on outside of PST IST support frame

  4. PIT_rail_mount_20mm.SLDASM • removable post allows disconnect from rails , required to • remove rail bonding fixture • connect and disconnect from external test supports

  5. PIT_fixture_assembly.SLDASM(display state: Default_DisplayState-1) grand_master_kin_assembly.SLDASM external rail supports for testing insertion of detector and engagement with kinematic mounts before PIT exists rail_holder_assembly.SLDASM end supports position end flanges for bonding to PIT and position rail_holder_assembly.SLDASM note: the external rail support and PIT don’t occur together as shown here. It is either one or the other supporting the rails

  6. rail_holder_assembly.SLDASM provides precision placement of the rails for two gluing operations: bonding to PIT match bonding to external rail supports • precision drivers: • glue bond gap to PIT ( 50 m ) • avoid binding ( 25 m or 200 m, depends on carriage design) • proper engagement with kinematic mounts ( 400 m ) • detector collision avoidance ( 250 m ) with rails numbers give allowable envelope size

  7. grand_master_kin_assembly.SLDASM this assembly (shown with a PXL half) has 3 functions: placement of the kinematic mounts for bonding to the PST support of the kinematic mounts for tests of detector insertion mechanism Support of detector halves in the Coordinate Measuring machine for spatial mapping operation. Position of the kinematic mounts should accurately match the locations in the PST

  8. position reproducibility 10 m kin_assembly_east_or_west_with_bells.SLDASM grand_master_kin_assembly.SLDASM

  9. MSC.SLDASM • used latest model from Eric and Jason with following changes: • increased length of PIT • added a flange at the original PIT ending • drilled some holes for the rail mounts and kinematic mounts • cleaned up some coordinate frame alignments

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