F. Gerigk, S. Ramberger, K. Schirm, R. Wegner, P. Ugena-Tirado

Survey/alignment (F. Gerigk)

  • During a discussion with M. Jones and A. Dallocchio the remaining open issues regarding alignment could be clarified. Alignment tests are being prepared where arms and inter-cavity supports are mounted and dismounted to check what kind of alignment error this incurs for the position of the targets.
  • The approval of the layout database was started, which is needed to start the marking out of the jacks in the tunnel. https://edms.cern.ch/file/1144663/0.1/L4-LJL-ES-0001-00-10.pdf
  • The PIMS prototype needs to go back to the workshop, so that the precision pin holes can be added for the alignment arms and the inter-tank support.

India (F. Gerigk)

  • RRCAT starts the process to procure plasma welding equipment,
  • we should prepare material delivery for 2 couplers, welding tests, and a pre-series of jacks,

CCDTL (F. Gerigk)

  • received a more detailed cost estimate from BINP,
  • still waiting for an estimate from the CERN workshop,

Windows (F. Gerigk)

  • received an update cost for the revised window design from design, a paper version should arrive next week

DTL (S. Ramberger)

  • Cooling channels on the end walls are too close to inner tank surfaces. In order to better integrate them in a way that they would also not interfere with the intertank connections, it is currently considered to introduce a conic shape on the half drift tube where it connects to the end wall. Simulations are on-going.

PIMS (R. Wegner)

  • welding tests done in Juelich finished, pieces sent to CERN today
  • IPJ: Problem with tuning machine CTX 510, some internal parts need to be replaced. Parts will be replaced next week.
  • IPJ: Problem with subcontractor who does the nickel plating (of stainless steel flanges before brazing)
  • IPJ: Tools for final machining are still not delivered
  • IPJ: Some tools to the machining of tuner and RF ports are still missing
  • IPJ: Foreseen schedule update: parts for test module ready to be sent to Juelich: end May
  • IPJ: Parts for test module will not be ready before end of June, unfortunately
  • Brazing of tuners and tuner ports is on the way

PIMS (P. Ugena)

  • Tuning ring simulations continue for module 2

-- RolfWegner - 13-May-2011

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Topic revision: r2 - 2011-05-16 - RolfWegner
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