Final Design CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE.

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Presentation transcript:

Final Design CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

Layer_3 East Side West Side Anode Permaglas Rings Readout Electronics Gem_3 East Side Gem_2 West Side Gas Connector Gem_1 Cathode H.V. board Sevice Flange In the Layer_3 the electronic readout size has been reduced and we have changed the geometry of the Service Flange. Now a total length of detector is 1036.6 mm. CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

Layer Assembly Connecting Bracket to connect L2 to L3 The three layers are mechanically fixed by flanges and brackets Connecting Flange to connect L1 to L2 CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

Fixing Detector East Side West Side Supporting Flange Supporting The detector is fixed by two Supporting Flanges that have a dual function: the outer diameter fastening the detector and the beam pipe the inner diameter aligns the beam pipe with beam Beam Pipe CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

Supporting Flange Assuming a total weight (detector + beam pipe) of 200 Kg we get a max Stress of 22 Mpa and a Total Deformation of 0,19 mm Safety Factor 𝛾= 𝜎 𝑠 𝜎 𝑒𝑞 ≅10 Material: Permaglas EPGC203 𝜎 𝑦 =240 MPa CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

West Side Space Available New ring thickness 2mm In the West side we have 2,6 mm from the board to the New Ring Sealing cylinder New Ring Remained west flange CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

East Side Space Available First ring of outer chamber East flange East flange In the East side we have 4,6 mm from the board to the East flange Sealing cylinder East flange CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE

Radial Space Available Sealing cylinder Considering a thickness of 1 mm sealing cylinder we get a gap of 1.8 mm from detector to cylinder CGEM Workshop HIEP, 14/03/2017 M. Melchiorri - INFN FE