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WP5.2 - TCLPX/TCTPXH Prototypes Production Follow-up
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Europe/Zurich
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CERN
Minute 45
Mechanical table assembly:
- Ultrasound test + visual inspection
TCC:
- Leak on the rigid connection between test bench and tubes
- Thermocouples arriving in 2 weeks
Design:
- Jaw lifting tool production ongoing by STI
- Jaw and tank procedure to update in 4 weeks
Absorber materials update:
- CuCD blocks under metrology because new thermal treatment, impedance has to check if the porosity is a matter for them. Sent back 2 (or3?) blocks because parallelism not acceptable (70um, 60um), report attached to Indico
- Carlotta and Jorge are visiting the company – they would like to understand difference between Nanoker and CERN metrology as well as other technical subjects
VSC:
- Waiting for costs and delays
- Design modifications due to holes position – 3D sent to Luca
- Check an arrangement between STI and VSC to order one time for all the components
Production:
- Bellows on shaft end by Tuesday, then cleaning and FE end of next week, welding on tank in 3 weeks then leak tests
- Contouring tank plate done, cleaning done, welding FE next week (tank assembly for September)
- First batch of jaw parts sent to STI
- Beam pipes cut, to go to carbon deposit
- BPM flange at 40/30 for leak tests for the repaired ones, now only 1 leak, to be repaired
- Cooling pipes ok even with 0.2mm of flatness on the border. 2 last in metrology then leak test, ultrasound report 0.7mm mini thickness. Action for Dylan : check the mini thickness on the drawings, Fede can try to have the information
- LHCTCLPX__0021 x2 to metrology, LHCTCLPX__0020 x2 50% done, then metrology for 3 weeks
- LHCTCTPXH_0024 x2 to cleaning, accepted even being out of tolerance in the functional position + LHCTCTPXH_0072 75% done, end beginning of next week and LHCTCTPXH_0027/28 waiting, available in 6 weeks
Additional screws:
- We now have 4x3 screws: Rollvis, Schaeffler, Ewellix, and maybe Moog
Graphite tapering:
- Metrology good, but not for 28.9mm of height, and this is quite ok for impedance
- A gap of 0.05mm for the serie is not mandatory
- A quotation of 4 more is sent to Graphitech
Update on planning:
- Update the jaw planning regarding the input of Emilien
Update for the serie:
- Add the need to control the jaws parts in the functional position
Others:
- RGA final report almost done (done)
Tools for flatness measurement: check the compatibility (point 4 or 132
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