positioning fork m. ciappeti r. vuillermet 29/09/20111
TRANSCRIPT
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Positioning fork
M. CiappetiR. Vuillermet
29/09/2011
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29/09/2011
Cooling pipes
HV, LV, DCS
Signal, clock
PP0 Cooling pipe bushing
Flex connectors
PP1 Cooling pipe Fitting
Cables connectors
Cables and cooling pipe sliding / ring
Side A IP
Beam Pipe supports same interface as current beam pipe
Sealing ring with soft interface
Pulling cables for insertion/extraction of the IBL Package inside
IST
ID e
nd
Pla
te
IBL package kinematic scheme with services
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PP0 board support
Z-stopper mechanism
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Beam pipe + IST
See next slide
Side A
Side C
29/09/2011
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Beam pipe detail
Side A
Side C
I.P.
See next slide
Positioning fork
29/09/2011
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Positioning fork + pin + IST
Side A
Side C
Positioning fork
IST pin
IST
29/09/2011
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Positioning fork + pin
Side A
Side C
Positioning fork
IST pin
29/09/2011
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Positioning fork
Side A
Side C
Positioning fork
29/09/2011
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Positioning fork
Positioning fork
Side ASide C
See next slide
29/09/2011
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Positioning fork
Side ASide C29/09/2011
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Positioning fork
29/09/2011
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Purpose of the Z stopper
• Function of the Z stropper– Position along Z the IBL package respect to the IST– Guaranty that once engaged, the package can not extract– But is shall allow disengagement for the extraction
process– Orientate angularly the package
• Constrain in the design– Limited space to position this Z stopper – Made out of material
• with low X/Xo• Can withstand activation of the area• With high enough elasticity
29/09/2011
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IBL package characteristics
• IBL package weight : – about 20kg (to be re-evaluated)
• Friction coefficient between IBL package and IST : – to be measured (this operation can be done at
cern as we have IST with some peek interfaces
29/09/2011
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Work to be done• Step 1
– Fabricate a prototype out of a titanium plate (1.5mm)– Fabricate a test bench to measure insertion/extraction force– Test :
• Measure the insertion/extraction force• Evaluate if the extraction with cables are helpful
– Loop on the design to modify geometrical parameters• Step 2
– Fabricate a second prototype out of a titanium plate– Test :
• Measure the insertion/extraction force
– Loop on the design to modify geometrical parameters• • • Step n
– Make a prototype out of a titanium block– Test :
• Measure the insertion/extraction force• Validate the design
• Install this block on the integration mock-up at CERN– Validate integration– Validate the positioning precision– Validate the insertion/extraction force
29/09/2011