Grinder wheel balancing help

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danontheroof

Member
Joined
Sep 10, 2013
Messages
14
Location
Indianapolis
I received an 8" porter cable variable speed grinder as a gift to replace my old 6" delta. I got some new norton wheels and have begun to try and balance and dress them but I'm having difficulty with the balancing. I have been following the guidelines from CSUSA, but can't get these just right. Am I trying to be too perfect or is there another source from some good info? Thanks in advance!
 
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OneWay makes a balancing kit for each wheel but they are pricey. Like $50+ a wheel. I had thought about doing this but opted for CBN wheels instead. Perfectly balanced
Lin
 
I have a Delta vari-speed grinder that is a few few years old. I think the PC is a direct derivative of it. I also had vibrations and runout. I bought and installed the Oneway balancing system and it got MUCH better, but not as good as I was hoping for.

Like the previous poster said, a CBN wheel made an incredible difference. I now have one CBN wheel and one Oneway balanced friable wheel on mine. As soon as I wear the old wheel out, I'll be putting another CBN wheel on it and selling the Oneway balancing kit:wink:

Oh, BTW, nothing wrong with Oneway's balancing kit, it's my problem..........I have Baldor tastes on a Delta / PC budget!
 
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I find it odd that tyou would complain about a $50 balancing kit, but then spend ~$200 on a CBN wheel.... CBN wheels are my dream, but they're expensive!
 
ChrisN said:
I find it odd that tyou would complain about a $50 balancing kit, but then spend ~$200 on a CBN wheel.... CBN wheels are my dream, but they're expensive!
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Got mine cheap and I wasn't going to spend $$$$ on crap wheels when mine were worn out.
For what is worth my grinder (General 8") ran pretty balanced with the factory wheels and was not a problem till I changed and could not get them right again.
Lin
 
Take off the end covers and give it a spin. Mark the bottom of both wheels. Do it a few more times and see if it repeats. Loosen one nut, and rotate one wheel 180 degrees from it's original position. Should cancel out the imbalance. If the wheels are wobbling, you can also mark high spots and put some small pieces of paper between the motor side washer and the wheel. Also to true the diameter of the wheel, use a diamond dresser with a really light touch. Do these one at a time in case one does the trick. These wheels are cast, with a slight taper on the bore. They have cheap plastic bushings to can fit loosely. In other words, it's a crap shoot to get them to run true. I have recently become a convert to the CBN wheel. Pricey, way pricey, but it spins like a swiss watch.
 
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