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CLIC-MDI meeting 24th of September 2010 – EDMS 1095662

CLIC-MDI meeting 24th of September 2010 – EDMS 1095662 J.C. Gayde / D. Mergelkuhl / C. Lasseur – BE-ABP-SU-‘Detectors Positioning team’. ‘Applied techniques to the positioning metrology of the detector components’ two chapters : specific adapted techniques … in relation

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CLIC-MDI meeting 24th of September 2010 – EDMS 1095662

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  1. CLIC-MDI meeting 24th of September 2010 – EDMS 1095662 J.C. Gayde / D. Mergelkuhl / C. Lasseur – BE-ABP-SU-‘Detectors Positioning team’ • ‘Applied techniques to the positioning metrology • of the detector components’ • two chapters : specific adapted techniques …in relation • … with the precise positioning of the detectors w.r.to the precise machine geometry • - 'External monitoring survey : BCAMs and HLSs' - J.C. Gayde • - 'Applied 3D techniques for real dimensions and positioning metrology' - D. Mergelkuhl - the ‘LHC’ experiments are excellent examples that can be well considered … - excellent and common understanding plus close collaboration with the ‘LHC’ installation responsible persons : full support to the installation of the systems and their integration within the control schemes and the engineering data-bank … - Lucie said … ‘It's like many new tools : people will discover its usefulness and will start using it in broader domain applications when the tool is really good and when they have seen it in use somewhere'  developments are still in course … - the ‘team’: 4 ‘staff’ for discussion and field … 3 soon ! 1 technician staff + 1 fellow ‘PH’

  2. … from Héléne (23/04/2010) : good configurations for‘good’ geometrical links in between the detector positioning metrology and the ‘absolure’ precise machine geometry … ‘examples’ and good opportunities toattach the detector metrology to the QD0s line - ‘survey’ corridors : central barrel/end-cap Toroids in Atlas …BCAMs for position - BCAMs : closure and follow-up of the CMS YB0/YB+-2s  Atlas / Brandeis - CMS muon internal alignt system …position and photogrammetry  test bench, components validation and quality control, fiducialisations … (T. Rodrigo) ~ Atlas C.T internal alignt system (FSI) ~ idem CMS C.T … - external link … ~ any large 3D object - HLSs : Atlas bed-plate and CMS YB0 feet and wheel (with link to the ‘low-beta’) ALSO … - BCAMs : LHCb Rich 1

  3. … IN ANY CASES … THAT WOULD NEED … ‘INTEGRATION GEOMETRY’ - CONTROL OF CONFORMITY WITH CONSTRUCTION AND INSTALLATION PLANS - … ENVELOPPES, FREE SPACES, DEFINITION OF PRESERVED ‘SURVEY CORRIDORS’ - CAREFUL CAD/CATIA INTEGRATION FOLLOW-UP OF SERVICES DURING ASSSEMBLY - … ‘AS-BUILT’, ‘REVERSE ENGINEERING’, UPDATE MAQUETTES … - CONTROL OF ‘PIRATE INSTALLATIONS’ (CABLES …) … WITH ADAPTED ACTIONS ! - OF COURSE … ANY OTHER ‘OPERATION’ FOR HIGH PRECISION METROLOGY … PROPOSAL OF A ‘Mechanical engineering R&D Project WP:3 D Digital Models for High Accuracy Reconstruction’ - PH-DT-PO - BE-ABP-SU/EM - GS-ASE-PE - PH-ADO-PO … STILL EVALUATION PHASE BUT ‘INTERESTING’ TESTS…

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