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Subject: Bridgeport CNC 1 series; transistor bridge fails

Date: 09/29/03 at 5:24 AM
Posted by: Marko Someroja
E-mail: hi.car@kolumbus.fi
Message Posted:

we have a bridgeport cnc 1 series mill in our shop.there is a "transistor bridge" of 4 transistor for each axis. the x-axis transistors seem to fail very often. when i change the transistor and diode it can burn up in a minute - i can hardly work with it anymore. have anybody faced similar problems ? what to do ?

Thanks, marko

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