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Questions on mounting 8" grinder to plywood with Wolverine one-way jig?

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Forum topic by WoodNSawdust posted 04-25-2015 11:48 PM 927 views 0 times favorited 4 replies Add to Favorites Watch
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WoodNSawdust

1417 posts in 636 days


04-25-2015 11:48 PM

Topic tags/keywords: question grinder slow speed grinder wolverine one-way jig

I recently purchased an 8” slow speed grinder and a wolverine one-way sharpening clone.

I am working on mounting it to a plywood base that I can clamp to my bench when I use the grinder. The instructions that came with the one-way clone did not say anything about removing the rubber feet from the grinder, but I saw another set of instructions on the Internet that specifically says to remove the feet. My thought is to leave the feet and lag screw the grinder through the 3/4” spacer into the plywood base and if there is much vibration then add a layer of rubber to the bottom of the base.

So, my questions are:

1. Do you think the rubber feet should be removed from the grinder?

2. How do you attach the grinder to the 3/4” thick spacer to the base?

3. When I finish the assembly I am planning on spraying it with Minwax Polycrylic water based finish. Will this finish hold up to the sparks coming off the grinding wheels?

Thanks in Advance for your replies.

-- "I love it when a plan comes together" John "Hannibal" Smith


4 replies so far

View Fred Hargis's profile

Fred Hargis

3926 posts in 1953 days


#1 posted 04-26-2015 11:26 AM

I removed them from mine (an older Woodcraft slow speed) but can’t remember why. I doubt it’s all that important, but it does raise the grinder up about 1/4”. I fastened my grinder to a 3/4” piece of ply that is about 7” x8” with carriage bolts run up through the bottom (countersunk so they don’t protrude). That piece, in turn, is fastened to another piece of 3/4” ply with wood screws, the second piece is 22” wide and about 11” deep. The grinder (mine) needed to be higher so the Wolverine clamping thingy would fit under the wheel guard.

Edit: Oops, I lied. On mine the 2 pieces of ply aren’t screwed together (had to go look). The carriage bolt holds everything together, it’s countersunk into the larger piece and goes through the smaller piece and the grinder base. Sorry ‘bout that.

-- Our village hasn't lost it's idiot, he was elected to congress.

View ColonelTravis's profile

ColonelTravis

1189 posts in 1354 days


#2 posted 04-26-2015 05:41 PM

Didn’t remove the feet on mine. Used 1×10 cutoffs instead of plywood, did what Fred did with a bolt, except I screwed my boards together.

Have had a few wooden platforms for grinders and they get to be such a mess I never bother with a finish.

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ColonelTravis

1189 posts in 1354 days


#3 posted 04-26-2015 10:50 PM

Sorry, meant 2×10s

View longgone's profile

longgone

5688 posts in 2768 days


#4 posted 04-26-2015 11:15 PM

I have two grinders …one is 3450 rpm and the other is a 1750 slow speed. I also have a 1750 rpm motor that I keep buffing wheels on. All three have different bolt hole configurations. I ended up mounting each one to a 3/4 ply base with carriage bolts and then drilling holes in all three plywood bases that were spaced the same.

This way I can switch them out on my workbench when I need them. I use carriage bolts to mount the ply/motor to the worktable and use two 3/8” plastic jig knobs to tighten them down. It only takes less than a minute to remove motor and fasten down another.

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