Question about Hammering
Posted by Anonymous on
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Posted on Jan 02, 2017
Did you dress the brushes to the contour of the commutator?
You wrap the commutator with fine sandpaper and rotate under the brushes till the curve conforms.
If this does not reduce the arcing, then you may have an armature with a bad winding.
Posted on Sep 30, 2009
Testimonial: "Sounds logical. I'll try it."
SOURCE: I have and OLD bench 1
The local hardware store has brushes in all different sizes in a box, next to the switches, fuses, plugs, cords, tool type stuff. They are standard sizes, should be able to find them no problem. Hope this helps.
Posted on May 25, 2010
Testimonial: "Thank you for your help, now all I need to find is my manuel to break it down."
If you are burning or wearing out brushes within days, you may have a problem with the commutator on the armature. The copper ring where the brushes make contact had to be absolutely smooth. If it is pitted or one of the contacts is bent upwards, it will eat brushes as fast as you are indicating. If it is dirty or pitted it may be repairable on a lathe with an armature resurfacing stone. If one or more of the contacts are damaged or bent you will have to replace the armature, they are very rarely repairable.
Posted on Jan 30, 2012
The part number for replacement brushes for this sander is #CB-303 and they are $2.70 each or less depending on how many you order. There is a minimum order amount. We stand behind our products. If ours wear excessively there is probably a problem with the commutator in the tool. Ohio Carbon Industries is a manufacturer and distributor of carbon brushes for nearly all electric motors. Call our sales dept. at 419-496-4456 or email them at email@example.com. Visit our website at www.ohiocarbon.com
Posted on Mar 20, 2012
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