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D-sub jackscrews for 90 degree shell

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rparigoris

Joined: 24 Nov 2009
Posts: 792

Posted: Fri Jun 11, 2010 2:19 pm Post subject: D-sub jackscrews for 90 degree shell

Hi Bob



I like your idea for DIY jack-screws made out of hex standoffs.



For most part i can use that concept to make for easier access on some kind of hard to reach connectors.



I however have one 50 pin D-sub going into the bottom of my instrument module on the port side that has wires exiting aft at 90 degrees. The wires block access to aft screw. 



Any ideas on how to deal with aft screw that is blocked by wires?



We tried to order various clothes pin pinch opened style security devises, and metal wire bales, but they are on back order for 120 days. Not certain they will work. Slim pickings for 50 pin 90 degree shells, the one we decided on allows for an extended front jack-screw. On aft securing screw perhaps there is 1/2" from the hole on D-sub to wires exiting at 90 degrees right over screw. 



Thx.

Ron Parigoris

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nuckolls.bob(at)aeroelect
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Posted: Fri Jun 11, 2010 6:22 pm Post subject: D-sub jackscrews for 90 degree shell

At 05:19 PM 6/11/2010, you wrote:

 	  Quote: 	
		  

<rparigor(at)suffolk.lib.ny.us>



Hi Bob



I like your idea for DIY jack-screws made out of hex standoffs.



For most part i can use that concept to make for easier access on 

some kind of hard to reach connectors.



I however have one 50 pin D-sub going into the bottom of my 

instrument module on the port side that has wires exiting aft at 90 

degrees. The wires block access to aft screw.



Any ideas on how to deal with aft screw that is blocked by wires?



We tried to order various clothes pin pinch opened style security 

devises, and metal wire bales, but they are on back order for 120 

days. Not certain they will work. Slim pickings for 50 pin 90 degree 

shells, the one we decided on allows for an extended front 

jack-screw. On aft securing screw perhaps there is 1/2" from the 

hole on D-sub to wires exiting at 90 degrees right over screw.


	


   Only thing that comes immediately to mind is make a LONG

   extended screw with a smooth, round spacer and bring

   it right through the bundle. You can put a hex head on

   the end after it passes through the wire bundle.



   Consider too tying a plastic bushing of some kind

   into the bundle such that the wires don't ride

   directly on the jackscrew. A piece of nylaflo tubing

   would work.

   Bob . . .

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