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I've got my next project in mind. I'm thinking about ordering one of these wood grinders for this project. I hear they are dangerous. Have any of you used one to shape a large wood project? Any pointers if so?

I've got my next project in mind. I'm thinking about ordering one of these wood grinders for this project. I hear they are dangerous. Have any of you used one to shape a large wood project? Any pointers if so?

(post is archived)

[–] • 6 pts (edited )

@Yukon

Edit: Ah, sorry, just saw you wrote 'grinder' not 'grindr', nevermind Yukon.

[–] • 5 pts

Ask @picman for grindr use.

[–] • 3 pts

We can't let picman carry the full weight of faggotry on this website. Also we need to find him a boyfriend to expand the Poal lore.

[–] • 3 pts

Anticlutch?

[–] • 1 pt

Also we need to find him a boyfriend to expand the Poal lore.

I found him one. You. Don't argue, it already stuck. It's part of the lore now.

[–] • 2 pts

I guess my first question would be about the arbor you plan to attach it to? Are we talking like typical grinder 90 degree tool I'd use to grind down welds? Or are you thinking of some other solution?

My first thought was of this hanging on a bench grinder... I pictured nothing but horror.

If the former. My only advice, be very in control of the tool that thing is used on. It looks like it was designed to eat faces.

[–] • 1 pt

I want to make one of these for my wall.

https://pic8.co/sh/L7H0zy.jpg

[–] • 2 pts (edited )

Thats badass, I'd guess attach it to a standard 90 degree grinder. Then take great care it didn't kick back and eat my face or other body part.

I would suggest working some off cut scrap first to get the hang of the tool. You are going to have to learn to feel for the right speed and flow to get it like you want.

Dont work with fake boards. I can see splinter shredded OSB or cardboard dust coated everything :D

[–] • 1 pt

> Then take great care it didn't kick back and eat my face or other body part.

That's what I'm worried about. From my understanding the grinder is a necessary evil, but it can be incredibly dangerous.

[–] • 1 pt

> Are we talking like typical grinder 90 degree tool I'd use to grind down welds

Yes, it will be attached to a hand grinder like for welds. The piece is rather large. It will be about 4'x5'.

[–] • 1 pt (edited )

Have never used one, so not sure how much i can say. It looks much safer than those angle grinder chainsaw blades.

Can you get different burr levels? A coarse one for roughing and a finer one for when you're close to finished.

I'd probably do a couple of practice pieces before starting on the main project too. To get a feel for how it behaves, particularly in different grain directions.

[–] • 0 pt

I want to create something similar to this.

https://pic8.co/sh/L7H0zy.jpg

[–] • 1 pt

That'll be pretty cool. Should be a good tool for that job.

As an alternative to colored wood stains, you can use food coloring mixed with a bit of vinegar. Here's an example of its use: https://poal.co/s/Woodworking/622393

[–] • 1 pt

Wow, I love the color penetration and depth. I'm gonna mix up a small amount and test it

[–] • 1 pt

They’re bad ass. Absolutely perfect for the job you have in mind. No need to dig in with it, it’ll remove a lot of material with the lightest of touch quite quickly. It’s not as scary to work with as it looks. Have fun!

[–] • 1 pt

Are chippers, grinders? If so then the only advice I can give is feet first.

[–] • 1 pt

I usually run my grinder without the handle when carving, I'd recommend you use the handle. Don't push in too hard, she'll run on you. Or you'l dull or burn the teeth. If you're just using 2x4s you could probably just use one of them sandpaper flapper disks

[–] • 1 pt

Not bad for freehand, not sure how much you have to grind/shape. I use a CNC for most shaped items for assembly, but when I want something round I use an old wood lathe.

Some advice for larger pieces, try to use saws to remove most of the material and do not cut too close to your constraints, you can always get closest with sanding over grinding, even though it will take more time, it will look better with less mistakes.

[–] • 1 pt

I'm going to attempt a waving flag design. Some can be cut with a jigsaw but will need shaped with this grinder before being sanded for the final shaping of the eaves in the flag

[–] • 1 pt

So a single piece in the shape of a waving flag? With the grinder contouring the stripes etc? Might be best if you did some detail work with a blow torch with tape/exacto for the stripes. A grinder wheel like that is more for free standing sculptures imo.

[–] • 1 pt

It will be multiple 2x4s cut then viced together for the grinding before being stained and together. Here's a pic of what I'd like to attempt.

https://pic8.co/sh/L7H0zy.jpg