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    WP5.2 - TCLPX/TCTPXH Prototypes Production Follow-up

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    MINUTE 53 : 

    TCC:

    • Order to Julabo for a new chiller bath with control box allowing CEM to monitor and extract data
    • Arriving 19th november
    • Do not touch in any case the TCC because we need the data of LS2 collimators (TCSPM and TCPPM). Jean Marc is checking for updating the software part and Christophe possesses few additional thermocouples
    • TCC rack assembled

    Design:

    • Next jobs are finish the levelling, design of DN300 flanges with pinch-off, jaw flatness measurement tool -> give the CDD to Dylan for the tooling list

    Feets structural check:

    • Strcturally good if we applied the appropriated torque on tightening screws (check attached document to INDICO)
    • Put the torque in the installation procedure (Dylan)

    Jaw assembly:

    • 1 design for the back plate instead of 2 for the protos 

    Absorber materials update:

    • Blocks arriving mid-November then metrology and TT

    VSC:

    • Combitac connectors around 10kCHF/ unit – this is expensive – Tests of the homemade connector by Luca to test, this is maybe a tricky connector – Last possibility is connection by robots. 
    • Check an arrangement between STI and VSC to order one time for all the components 

    Production: 

    • The impact of the cooling pipe has been measured at 0.028mm at a point where the thickness is 1.4mm, the total thickness at this point is 1.1mm, there is a factor 2
    • Tanks cleaned
    • 4 DN300 flanges ok but 2 has a 0.2mm radius instead of 0.1mm but this is not a functional issue
    • RF screen rail to electroolishing 

    Screws: 

    • We now have 4x3 screws: Rollvis, Schaeffler, Ewellix -> Received

    Graphite tapering: 

    • Received: the taperigns may be used for copper coating tests for TCSPM

    Update on planning: 

    • CuCD blocks for beginning of December 

    Update for the serie:

    • Put the initial version of stiffeners and back plate
    • Enlarge these parts to give more space for the cooling 

    Link to the EDMS minutes : https://edms.cern.ch/ui/#!master/navigator/document?D:100889947:100889947:approvalAndComments

    There are minutes attached to this event. Show them.
      • 14:00 → 14:20
        Structural validation of the levelled feet 20m
        Speaker: Anas Amrani (EPFL - Ecole Polytechnique Federale Lausanne (CH))
        EDMS_2778123.pdf
        EDMS_2778123.pptx
      • 14:20 → 14:40
        Modification of back plate and back stiffener after assembly 20m
        Speaker: Luca Gentini (CERN)
      • 14:40 → 15:00
        Theorical flatness of the prototypes jaws 20m
        Speaker: Dylan Baillard (CERN)