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bench grinding wheel wobbles.

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Forum topic by Mark posted 06-28-2016 09:09 PM 488 views 0 times favorited 9 replies Add to Favorites Watch
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Mark

820 posts in 1440 days


06-28-2016 09:09 PM

I pulled the CGW blue al oxide grinding wheel off my 6” bench grinder and mounted a wire wheel. When I put the grinding wheel back on it wobbles and shakes like it was in an earth quake. It does have the plastic reducing bushings but that was never an issue before. lots of meat left on the wheel so I don’t want to chuck it. Any thoughts?
Thanks

-- Mark


9 replies so far

View dbhost's profile

dbhost

5607 posts in 2697 days


#1 posted 06-28-2016 09:43 PM

Is it one single plastic bushing or a bushing in a bushing? I had a set of white oxide wheels that shook like that at first with the OE plastic bushings. I replaced them with a single steel bushing, trued the wheel up and have been fine ever since.

I used a Geigers Solutions Wheel Dressing and Truing Solution. It wasn’t cheap, but it is well worth the expense if a truly smooth running true grinding wheel is important to you.

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View Mark's profile

Mark

820 posts in 1440 days


#2 posted 06-28-2016 10:54 PM

Thanks for the reply db. ITO has multiple bushings. One of these “one size fits all” efforts.

-- Mark

View TheFridge's profile

TheFridge

5765 posts in 951 days


#3 posted 06-29-2016 12:02 AM

Just gotta play with it.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View rwe2156's profile

rwe2156

2198 posts in 946 days


#4 posted 06-29-2016 12:23 AM

Those bushings are the problem. I would look for a solid bushing and replace it.
You can try rotating the wheel to different locations and retighten.

-- Everything is a prototype thats why its one of a kind!!

View Mark's profile

Mark

820 posts in 1440 days


#5 posted 06-29-2016 04:21 AM

The Fridge: Your right I played with it, added a bit of black tape to fill in the voids and it’s all good.
rwe2156: Your right. that’s the best solution.

-- Mark

View waho6o9's profile

waho6o9

7174 posts in 2042 days


#6 posted 06-29-2016 04:29 AM

https://www.youtube.com/watch?v=_7OoqJN2L4Y

I made one out of walnut and it works well.

Credit to Ernie Conover, thanks Ernie

View TheFridge's profile

TheFridge

5765 posts in 951 days


#7 posted 06-29-2016 04:31 AM

Good for you bud

I quit changing wheels because of that. What a pain

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View HokieKen's profile

HokieKen

1773 posts in 604 days


#8 posted 06-29-2016 03:26 PM

One other thing to check is that your arbor flange and arbor nut are both flat. But yeah, it’s normally the bushings and pretty much comes down to good bushings and finding the sweet spot.


https://www.youtube.com/watch?v=_7OoqJN2L4Y

I made one out of walnut and it works well.

Credit to Ernie Conover, thanks Ernie

- waho6o9

I made one years ago out of Delrin bar stock. Works great, no movement with humidity and easily machined on a woodturning lathe.

-- Kenny, SW VA, Go Hokies!!!

View Jimbo4's profile

Jimbo4

1432 posts in 2228 days


#9 posted 06-29-2016 04:25 PM

Chuck it . . . trash it . . . ! CGW’s are pure junk ! Norton is the only way to go.

-- BOVILEXIA: The urge to moo at cows from a moving vehicle.

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