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mcmarkus

UM2 homemade, feeder goes double speed...

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Posted · UM2 homemade, feeder goes double speed...

Hi,

after 2 years with my original UM2, I've made a clone.

Now I'm facing a strange issue with the feeder.

The feeder motor goes double speed, to print I need to reduce Material Flow down to 50%, otherwise it clicks continuously. I've tried with another stepper, with no results.

Does anybody suggest me something?

thanks,

Marco.

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Posted · UM2 homemade, feeder goes double speed...

Maybe your motor it's 1.8 degress 200step revolution. Um2 feeder motor it's 0.9 400steps/rev

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Posted · UM2 homemade, feeder goes double speed...

Yes! You're completely right!

I figured something similar. I did not know the steppers were different, so I've used the same type for all of them.

Thank you very much,

Marco.

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