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Thread: Squaring Up Motor With Blade.
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1st September 2015, 11:55 AM #1
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Squaring Up Motor With Blade.
I have a 10 inch Carbatech saw that vibrates when running. The motor jumps around a bit. like the belt is catching and releasing in quick succession as it spins and is causing the whole machine to shake which in turn is effecting the straightness of the cut. I have replaced the belt and tried a few times to square the motor with the belt but its still not good enough. Any tips would be appreciated. Has anyone tried the carbon fiber linked belts?
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1st September 2015, 12:17 PM #2
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Some Suggestions
- linked or toothed rather than plain V belt
- blade bush may out of round and need replacing
- blade may be bent so try different blade.
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1st September 2015, 12:23 PM #3
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Check grub screw in pulley(s), check fit of pulley(s) inside diameter on shaft(s), check bearings on motor and spindle.
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1st September 2015, 03:49 PM #4
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Thanks guys. Just installed a new blade and bush so i'll check the bearings and pulleys.
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1st September 2015, 05:24 PM #5
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Check that the pulleys are coplanar.
Check that the belt sits inside the pulleys.
Check that the belt is not kinked and riding on this.
Regards from Perth
DerekVisit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.
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1st September 2015, 05:39 PM #6
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Good timing for this thread. I've got very similar problems with my contractors saw.
I've replaced the arbor bearings, fitted a new blade and belt, the pulleys are nice and smooth and have no play when fitted to the shafts so the next thing to check is that the pulleys are co-planar. Not a lot of room in there for a straight-edge.
I'd thought of making some sort of brace for the motor so it doesn't bounce around as much. Not sure if this is necessary or even a good idea?Geoff
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1st September 2015, 05:59 PM #7
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is it a brushed or brushless motor?
Originally Posted by double.d
is it worse loaded or free running?Last edited by Lappa; 1st September 2015 at 06:00 PM. Reason: Additional question
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1st September 2015, 09:49 PM #8
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I have a 10" contractor saw from Carbatec and it has a 2 pole induction motor and I presume he has the same. Originally Posted by Lappa
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