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Re: Electromagnets - McMaster
We use electromagnets on Longarm Quilting Machines for channel lock. The magnets are spring-loaded so that the springs are compressed when the magnet is engaged and then the springs cause the magnet to release as soon as the power is removed. We are considering using this type of magnet. 
Last edited by Stepol : 13-02-2011 at 20:08.
Reason: correct photo link
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