Institut für Verbundwerkstoffe GmbH Erwin-Schrödinger-Str. 58 67663 Kaiserslautern Germany www.ivw.uni-kl.de 1© Institut für Verbundwerkstoffe GmbH, N.

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Presentation transcript:

Institut für Verbundwerkstoffe GmbH Erwin-Schrödinger-Str Kaiserslautern Germany 1© Institut für Verbundwerkstoffe GmbH, N. Himmel CFRP Shell Development for the ATLAS Pixel Detector Norbert Himmel

2© Institut für Verbundwerkstoffe GmbH, N. Himmel barrel region disks outer carrier structure 1.4 m 0.5 m shells Mechanical support structures of ATLAS Inner Pixel Detector

3© Institut für Verbundwerkstoffe GmbH, N. Himmel bi-stave pixel module cooling pipe fitting support shell stave layer Pixel module, bi-stave and shell

4© Institut für Verbundwerkstoffe GmbH, N. Himmel Shell design Manufacturing CF/PEEK elements stave support rings shell elements halfshell production Quality control joining and trial assembly coordinate measurements Final assembly Acknowledgment Contents

5© Institut für Verbundwerkstoffe GmbH, N. Himmel joining and trial assembly design design concept simulation quality assurance major requirements maximum stiffness, minimum mass highly integrated design tight manufacturing tolerances radiation hardness final assembly manufacturing Development tasks, major requirements

6© Institut für Verbundwerkstoffe GmbH, N. Himmel halfring pair for shell stiffening and stave support ruby ball on pin (total of six along ring perimeter) outer halfshell inner halfshell Shell design

7© Institut für Verbundwerkstoffe GmbH, N. Himmel service support ring inner halfshell (transparent) CF/PEEK elements outer halfshell finger connection to outer carrier structure Halfshell end region

8© Institut für Verbundwerkstoffe GmbH, N. Himmel Jigs

9© Institut für Verbundwerkstoffe GmbH, N. Himmel layer 2 layer 1 B-layer Final shell design

10© Institut für Verbundwerkstoffe GmbH, N. Himmel CF/PEEK elements

11© Institut für Verbundwerkstoffe GmbH, N. Himmel Halfrings for shell stiffening and stave support

12© Institut für Verbundwerkstoffe GmbH, N. Himmel Halfshells

13© Institut für Verbundwerkstoffe GmbH, N. Himmel Halfshells

14© Institut für Verbundwerkstoffe GmbH, N. Himmel Halfshell parts prior to bonding

15© Institut für Verbundwerkstoffe GmbH, N. Himmel Adhesively bonding of halfshells

16© Institut für Verbundwerkstoffe GmbH, N. Himmel B-layer trial assembly at IVW

17© Institut für Verbundwerkstoffe GmbH, N. Himmel shell geometry without stave load as-built geometryas-aligned geometry shell geometry with stave load CMM quality assurance of halfshell and assembled shell

18© Institut für Verbundwerkstoffe GmbH, N. Himmel manual shell assembly in outer carrier structure layer 2 assembly in assembly jig Trial assembly at CERN

19© Institut für Verbundwerkstoffe GmbH, N. Himmel layer 1 and 2 positioning over cantilevered B-layer completed trial assembly of barrel region with some dummy staves Trial assembly at CERN

20© Institut für Verbundwerkstoffe GmbH, N. Himmel stave integration into layer 2 halfshell pixel detector integration in LHC beam pipe on Dec. 20, 2006 Final assembly

21© Institut für Verbundwerkstoffe GmbH, N. Himmel Prof. Wermes, University of Bonn, and Prof. Becks, University of Wuppertal Cooperation with experimental particle physics group, University of Wuppertal sincerely appreciated, special thanks to Dr. Glitza, Mr. Sanny and the mechanical workshop team Thank you for your attention! Acknowledgements