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CERN = European Organization for Nuclear Research World's largest particle physics centre.

High-Performance Pultruded Composite Profiles Case CERN Matti Suominen, Exel Oyj Pentti Paajanen, Exel Oyj Antti Onnela, CERN Harri Katajisto, Helsinki Institute of Physics. CERN. CERN = European Organization for Nuclear Research World's largest particle physics centre.

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CERN = European Organization for Nuclear Research World's largest particle physics centre.

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  1. High-Performance Pultruded Composite Profiles Case CERNMatti Suominen, Exel OyjPentti Paajanen, Exel OyjAntti Onnela, CERNHarri Katajisto, Helsinki Institute of Physics

  2. CERN CERN = European Organization for Nuclear Research World's largest particle physics centre. To explore what matter is made of and what forces hold it together.

  3. CERN in Geneva Photo: CERN

  4. LHC = Large Hadron ColliderCERN’s present main projectDue to start in 2007 100 m 8.6 km

  5. Installation of superconductive magnets of the LHC Photo: CERN

  6. Busbar Photo: CERN

  7. Photos: CERN

  8. LHC experimental cavern 100 m underground Photo: CERN

  9. Compact Muon Solenoid (CMS) experiment of the LHC Total weight: 14,500 tons Diameter: 14.6 m Length: 21.6 m Magnetic field: 4 Tesla

  10. Construction of the CMS experiment Photo: CERN

  11. Construction of the CMS experiment Photo: CERN

  12. Tracker structures (at the centre of the CMS experiment) Main requirements: light, radiation-transparent, stiff, high-precision, stable, affordable cost Silicon detector modules supported by carbon fiber structures. “Rod” structure made of pultruded profiles

  13. ”Rod” profile manufacture Jotain yleistä valmistuksessa käytetystä laitteistosta?, sarjakoosta, valmistuksen haasteista (suoruus & seinämäpaksuus etc.)… Openings for the mechanical supports, connectors and wire routings were made using water-jet cut.

  14. ”Rod” assembly Assembly by gluing on jigs Result: Structure with precision supports for detector modules 750 “Rod” structures to be produced. Status in March 2004: 100 ready.

  15. Quality control of the rod geometry Precision of detector supports better than 0.05 mm

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