Shaft idea

by zodrik | March 28, 2013 | (0) Posted in Tips

So for all peoples have trouble finding a right replacement shaft ,just go and buy a long drill bit,i found out the 1/8* is little be bigger than 3,17 mm so is pretty easy with this size motor....and for 4$ i can make 4 shaft...

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COMMENTS

sailorJohn on March 29, 2013
Great,I've been looking for a good replacement for 3.17 mm shafts (1/8 in) but don't try to hammer out the old shaft ,it destroys the soft casing.I've had some luck using a drill press with smaller shaft to press out the defective shaft then to press in the good shaft.you'need a piece of steel with a small hole in it to support the casing as you gently push the shaft out.
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zodrik on March 30, 2013
usually i just warm up the motor with hairdry and twist the old shaft,it come out in a few minute and just replace with this drill bit, smooth like a new one
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PandaFish on March 29, 2013
That is brilliant!!!!! The hardest part will be cutting that thing to size, the alloy they use is brutally hard - You'll have to use an angle grinder (the handyman's secret weapon, used for cutting metal in to pieces slightly smaller than intended).

Pro Tip: take your time - Do a little at a time. If you try to do it all in one go, you might get heat warpage. It would've take much to make the motor run oddly!
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zodrik on March 30, 2013
thanks for the tip,usually after packing the motor,to avoid small metal parts get in to a rotor,I let run the motor and cuting the shaft while was spinning e with a small grinder....everything went right and now i've got a brand new motor!!
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PandaFish on March 30, 2013
Because the bit is steel, and the magnets in the motor are brutally powerful, consider taping up the vent holes with masking or electrical tape to avoid getting the steel dust all up in there.

I'm super impressed it works so good! I appreciate the tip - I'll be using that!
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zodrik on March 30, 2013
thanks,it's aways a plesure to help peoples
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sailorJohn on March 29, 2013
Before the shaft is inplace you can fire up the motor the use a dremel tool to cut a slot for the c clip while both a spinning or just make the shaft long enough to put a 1/8 in wheel collar on it to keep the outer housing in place (stator-- I think)
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zodrik on March 30, 2013
i use the 1/8 wheel collar i found easier,than make a slot for a c clamp,and work really well!!

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Shaft idea