Laser Cutter Power Supply
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Pete Prodoehl
Jun 13, 2016, 9:59:14 PM6/13/16
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This is a long shot, but does anyone know what value MF72 Inrush Current
Limiter might be used on a laser cutter power supply?
(I think Tom G. has replaced a few laser cutter power supplies in his time!)
Pete
Tom Gralewicz
Jun 14, 2016, 9:14:48 AM6/14/16
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You have a bit of variability in the value you use. Are you replacing a blown one or adding it to keep from tripping a circuit breaker?
What is the rating on the power supply?
Pete
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Pete Prodoehl
Jun 14, 2016, 11:02:36 AM6/14/16
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Trying to track that down now...
It's for a G Weike 90 watt laser cutter.
Pete
Tom Gralewicz
Jun 14, 2016, 11:17:57 AM6/14/16
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Did one in the unit burn up or are you trying to add one to stop it from blowing fuses?
Pete Prodoehl
Jun 14, 2016, 11:22:49 AM6/14/16
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It blew up so bad the limiter crumbled and we couldn't even read the markings on it! The power supply will not power on without it.
We've got a new one on order, and the plan is to open that one and get the specs from it (assuming it's the same) so we can replace it. But I was also hoping we could figure it out before the new one arrived to get up and running quicker.
Pete
Tom Gralewicz
Jun 14, 2016, 11:44:25 AM6/14/16
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I have one at the space that will likely work. How sure are you that that's the only problem?
Tom
Pete Prodoehl
Jun 14, 2016, 12:17:26 PM6/14/16
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Fairly unsure at this point... I mean, the power supply stopped working, we opened it up, found a destroyed component, and that was about it.
We did see the fan try to spin occasionally, but when the "test" button was pressed the LED power indicator did not light up.
Pete
Tom Gralewicz
Jun 14, 2016, 1:13:02 PM6/14/16
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Can you bring the power supply to the space sometime?
Pete Prodoehl
Jun 14, 2016, 1:59:11 PM6/14/16
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Yes... probably not this week, but maybe next week.
thanks!
Pete
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