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Published byJemimah Stokes Modified over 9 years ago
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VTX Half LAYER 4 LAYER 3 LAYER 1 LAYER 2 EACH LAYER’S BARRELL MOUNT NEEDS TO BE REFERENCED TO KINEMATIC MOUNTS AND IT’S MOUNTED LADDERS
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BARREL SECTION FACE SKIN INSTALLED NEED TO FIND A SURVEY POINT ON EACH BARRELL MOUNT THAT IS VISIBLE WITH FACE SKIN INSTALLED
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Layer 1 Removal from Assembly Fixture LAYER 1 LADDER’S CHIPS SHOULD BE SURVEYED TO THEIR BARRELL MOUNTS IN THE ASSEMBLY FIXTURE CHIPS BARREL MOUNT
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Pixel Ladder Assembly CHIPS TO BE SURVEYED
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Pixel Ladder Assembly Close-up CHIPS
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Layer 1 EDGE VIEW SURVEY SMALL CHIPS ON LADDER
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Layer 2 Assembly Fixture LAYER 2 CHIPS SURVEYED TO BARRELL MOUNT’S PINS IN ASSEMBLY FIXTURE MOUNT PINS
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Layer 2 EDGE VIEW PIN
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Layer 1 & 2 Mated
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Layer 1&2 Joined
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Layer 3
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EDGE VIEW
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Layer 4
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EDGE VIEW
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VTX Installed on Rails (Final Survey position in Chemistry?) EACH KINEMATIC MOUNT SHOULD HAVE A SURVEY TARGET
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2 Survey telescopes to be mounted on a 6 inch channel which spans between the north east and south east lead absorbers. Angled brackets to mount the channel horizontally will be needed. With a telescope at both ends of the channel and 2 more on the IR base rails will allow the surveyors to get an accurate survey and alignment of the 2 detector ½’s
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