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Hunting problem at low RPM in DC Drive(6RA70)

Created by: epro at: 4/23/2010 9:27 AM (1 Replies)

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4/23/2010 9:27 AM	Rate (0)
epro Posts: 62 Rating: (0)	Dear all, we faceing a problem in wire draw machine.when the machine run in inch mode ,that means low RPM ,35%of base RPM(600).its jurk and vibrating.but when the speed rise it run smothly.pls help .here we use DC master drive(6RA70)-175A
epro Posts: 62 Rating: (0)
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4/23/2010 9:47 AM	Rate (0)
Ekalavya Posts: 2964 Rating: (484)	Hello epro.... Have you checked your mechanicals? Remove the motor out side from the machine and run it in JOG forward and reverse. rdgs/rpk89
Ekalavya Posts: 2964 Rating: (484)
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