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Ivor@2roberts.f · #1 05-14-2009, 01:13 PM

Can anyone help me I am have real problems with my step motors they are making a very strange noise.
They only make the noise after they have been on for about an hour it is sort of a very loud hissing noise they only make the noise when they are not moving.
The noise only comes from the Y axis motors
The motors are Nema 34 I have two on the Y axis slaved together by the controller box that I purchased from Marchant Dice ltd.
Thanks Rovi

nenetwork · #2 05-14-2009, 01:15 PM

I had the same trouble with motors I bought elsewhere, I think too much power was going into them.

Ivor@2roberts.f · #3 05-14-2009, 01:22 PM

thanks nenetwork for your quick reply what did you do to your motors
Rovi

pminmo · #4 05-15-2009, 10:46 AM

I suspect you hearing the chopping action of the current limiting. That is pretty common with steppers and isn't in itself a fault condition.

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