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Need of a flat shaft on stepper motor?

Posted by Andreas15 
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Andreas15
Need of a flat shaft on stepper motor?
July 19, 2015 02:58PM
Hi,

I was wondering is you need a flat shaft on your stepper motor if you want to mount a pulley or coupler on it. On ebay and such I can't find allot with flat shafts. Think3Dprint's motor come with flat shafts, but are quite exspensive for me.

So, Is it really needed, what will it affect?

Thanks,
Andreas
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691175002
Re: Need of a flat shaft on stepper motor?
July 19, 2015 03:10PM
You do not need a flat.

When you tighten the set screw onto the shaft it can raise a burr. This burr can make it annoying to remove the pulley at a later date but isn't a real issue.
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cat.farmer
Re: Need of a flat shaft on stepper motor?
July 19, 2015 08:52PM
You can always file the flat on the shaft.
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Andreas15
Re: Need of a flat shaft on stepper motor?
July 20, 2015 07:02AM
Ok, thanks!
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492183
Re: Need of a flat shaft on stepper motor?
July 20, 2015 09:25AM
Just make sure the filings don't find their way into the motor.
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