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I have received the following message on 1/4/2011 from Wes Craddock <>

Dear Michael and Inti,

Here is the information that you requested on the BaBar solenoid to iron support.  I'm sorry I didn't reply sooner, 
but I had quite a bit going on.  Enclosed are photographs showing the connections to iron.

The BaBar solenoid is constrained radially by adjustable wedge shims located at the one o'clock, five o'clock, seven o'clock, 
and eleven o'clock positions both forward and backward.  All the weight is taken by the bottom four pads. The rest are 
tightened to counter radial decentering forces.  Axially, the magnet is constrained at the same locations by adjusting pads 
between the magnet and stainless steel arms extending radially from the flux return upper and lower corner blocks. I believe 
that you can see one of these in one of the pictures.  The axial pads are simple threaded rods with pads at both ends.  They 
act in compression.  You will also see large axial bolts.  I have no idea why they were put in.  As far as I can tell, they 
serve no purpose whatsoever.

If you have more questions, just email or call me.


Wes Craddock
(650) 926-2264


-- Created by IntiLehmann - 06 May 2011

You are on: PANDA > Wiki > Magnet > BaBarSupport

Topic attachments
I Attachment Action Size Date Who Comment
Picture207.JPGJPG Picture207.JPG manage 6403.6 K 06 May 2011 - 17:15 IntiLehmann BaBar WesCraddock2
Picture209.JPGJPG Picture209.JPG manage 5367.5 K 06 May 2011 - 17:16 IntiLehmann BaBar WesCraddock3
Picture217.JPGJPG Picture217.JPG manage 5932.6 K 06 May 2011 - 17:17 IntiLehmann BaBar WesCraddock4
Picture248.JPGJPG Picture248.JPG manage 6244.7 K 06 May 2011 - 17:18 IntiLehmann BaBar WesCraddock5
Picture249.JPGJPG Picture249.JPG manage 6043.4 K 06 May 2011 - 17:19 IntiLehmann BaBar WesCraddock6
Picture251.JPGJPG Picture251.JPG manage 6642.3 K 06 May 2011 - 17:20 IntiLehmann BaBar WesCraddock7
ac_001.JPGJPG ac_001.JPG manage 409.1 K 06 May 2011 - 17:14 IntiLehmann BaBar WesCraddock1
Topic revision: r1 - 06 May 2011, IntiLehmann
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