Drawer Mechanics: Mini-Drawers, Tooling Tilecal upgrade meeting at - - PowerPoint PPT Presentation

Drawer Mechanics: Mini-Drawers, Tooling

Tilecal upgrade meeting at Valencia (19-21 November 2014)

François Vazeille

• n behalf of Roméo Bonnefoy,

François Daudon, Gilles Magaud, Marc Nivoix, Guy Savinel, Pierre Verdier

• Summary of previous progresses
• Concept of Mini-Drawers
• Concept of Handling Tools
• Next activities (?)

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2

• Half length

 easier handling.

• Sliding sides in polyethylene

 gain factor 2 on sliding.

• Tests at CERN

in 3 positions, by pulling and by pushing  No bad arrangement (Zig-Zag).  No blocking.

• Concept of Mini-Drawers

 Validation of concept + drawings (including Patch-Panel sizes).  Official decision at Stockholm of using trains of 4 Mini-Drawers inside a Super-Drawer (June 2013).  Sharing of tasks:

• Mini-Drawers: Bucharest.
• Services (including mechanical links and cooling): Barcelona.
• Tools: Clermont-Ferrand.

▪ ATLAS today

 The 256 Fingers were drilled

in order to have reference contacts for the external alignment.

▪ New concept for the Mini-Drawers

Alignment tool: Slider

• n the external side of

large girder-Ring parts Alignment from inside. New Rings inside the Finger. Fixation of the Basket.

• Concept of handling tools

 Finger cover not perfectly perpendicular to Girder axis.

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New Rings

▪ Several campaigns of tests at CERN  versions Slider 3 and Basket 2.

Slider at 45° Contacts on 4 rings Adjustment screws Basket in position Insertion of Mini-Drawer

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Slider-Basket assembly

 Perfect alignment and easy sliding of the Mini-Drawers.  Validation of Slider/Basket concept.

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Strongly screwed Drawer Alignment

• n the foam
• f small Rings.

Strong locking

• f Basket
• n the Finger

Bad solution:  Damages to Rings. Bad alignment.

▪ Parallel studies made by Barcelona

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▪ Integration of Barcelona services in Clermont tools? We must think about how is it possible to integrate the Barcelona services … if we go on ?

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• Next activities (?)

▪ Clermont-Ferrand team has the will of keeping an activity

• n the mechanics through the handling tools of Mini-Drawers.

▪ He has validated the concepts of Mini-Drawers and Tools

 A sharing of tasks has been defined.  There are ambiguities in their applications and in the use of given information, like:

• mechanical dimensions of Drawers and Patch-Panel,
• tools and handling procedure.

Better contacts in between Institutes and mechanics experts are strongly wished.

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▪ Clermont-Ferrand will continue providing information

• n mechanics and the manipulation of Drawers

 Thanks to his past experience: from the concept of the long Drawers to their certification in the pit.

▪ The team will think about:

• How to integrate the Barcelona services in his tooling?
• How to establish an handling procedure?

▪ In the upgrade, he could provide all the tools:

• 5 Sliders (at least).
• 20 Baskets (at least).
• and possibly a Super-long basket for specific tests in the pit.

and before, some units for the Test Beam (and Bld 175).

▪ A Tilecal Note will report the tests and concepts of Mini-Drawers

and handling tools.

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