Using Wire Cup Brush on Bench Grinder?

[damon18]

Is using a wire cup brush on a bench grinder a safe and accepted practice?

If it is, which wire cups can be used? Same as on an angle grinder?

Not mine, picture is to illustrate what I'm asking.

 

[audioworks04]

Doesn’t seem like a good idea to me, but I can’t tell you why. What would be the benefit over a wire wheel?


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[damon18]

Doesn’t seem like a good idea to me, but I can’t tell you why. What would be the benefit over a wire wheel?

I don't know, don't have much experience with bench grinders and have seen a few mentions of using wire cups on them, then saw the pictured grinder for sale with a wire cup installed so I thought I'd ask the experts.

 

[OccupantRJ]

Looks like a good way to twist a wrist, rotary style.

 

[sk farmer]

check the rpms of the grinder. if they are below the max rpm of the wire cup wheel you would be good. an rpm is an rpm whether it is on a hand held grinder or a bench grinder. the question is if you can safely hold the object to be wire wheeled safely.

 

[pepi]

Better adjust the plastic eye shield........... stupid idea But don't let that change you mind

Of course confirmed;

"seen a few mentions of using wire cups on them," < makes this idea even more logical

Rock on

 

[seanb02]

Those wire wheel cups never seem to be balanced well. When used on an angle grinder you wrists/arms take the vibration, but in a bench mounted setup you would be loading the bearings on the motor with the vibrations. Doesn't seem like a great idea, also when it is out that far on the bench grinder there is nothing stopping it from grabbing whatever you are grinding and spinning it around flinging it at you. If you have ever had a bench grinder standard while wheel grab something and the guard ends up chucking it on the floor instead of at you, then you would know what I mean.

 

[junkyardwarrior]

Have done it. You get wires stuck in all your arms, clothes, belly, chest, well basically everywhere. I had protective clothing and eye/face/ear protection so it didn't bother me too much but the little wires WILL get through denim, so you have been warned. They work rather well for removing surface rust, though. You just have to be doubly prepared for the little wires that fly off in all directions. Doesn't even count vibration-and that is an issue as well if you plan on using it for more than 30 seconds at a time. They do vibrate quite a bit. Thick gloves help with that but then you can't feel the grinder very well and that's an issue too.

I avoid them if possible. Sometimes it's not possible and in that case you better be doubly safe!

 

[zoomzoomjeff]

I would also add that the bench grinder isn't designed to take side loads to that degree. That's more leverage because of how far it sits out than the normal grinding wheel. Bearings no likey.

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[BDT/NWMN]

As long as You don't plug that grinder in; You will be fine.