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bench grinding wheel wobbles.

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Forum topic by Mark posted 06-28-2016 09:09 PM 618 views 0 times favorited 9 replies Add to Favorites Watch
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Mark

838 posts in 1638 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

5665 posts in 2895 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, YouTube Channel https://www.youtube.com/channel/UCoa-AgyeFWqnQfGIJwdzkog

View Mark's profile

Mark

838 posts in 1638 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

7085 posts in 1149 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.

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rwe2156

2539 posts in 1144 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

838 posts in 1638 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

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waho6o9

7792 posts in 2240 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

7085 posts in 1149 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

2884 posts in 802 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

1549 posts in 2426 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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