Special Tool Needed

Been drilling holes in discs and other round type objects that are around 1". The things like to spin on me. Tried some suggestions here, ie, slowing down the motor speed, which helped a lot, and carpet tape, which just spun with the object. On some of the objects I can get a pair of pliers around the object to hold it. Pliers mare the surface of the object. I tried tape wrapped around the pliers which worked a little but still some maring. I'm going to try cotton balls then tape, but does anyone know if there's some sort of plier type gripping tool that's available? I tried looking on google but if there is, I don't know what it's called.

Reply to
Thomas Mitchell
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Do a search for "strap wrench".

Reply to
Upscale

LOML bought me one that is called "Grip Wrench". Probably available at Borgs and HF. Works well for what it's supposed to do which is what you need. mahalo, jo4hn

Reply to
jo4hn

Reply to
Thomas Mitchell

Drill vise with vee blocks.

Wes

Reply to
clutch

Reply to
Bob Bowles

Depending on how thick the discs are, but will suggest the following:

Take a piece of stock, I like to use Birch cabinet plywood, about 50%-75% as thick as the disc, and bore a hole slightly larger than the disc.

Locate this piece of stock so that the hole is centered under the drill bit and attach to the drill press table.

Take a 2nd piece of stock and clamp it, using quick release clamps, over the first piece of stock thus clamping the disc in place.

Drill holes as required, then get beer.

You will have earned it.

Reply to
Lew Hodgett

What are the disks made of? How thick are the discs? How large diameter is the hole? What type of drill bit? What type of drill?

If you are working on a drill press on wooden or plastic discs that are at least 1/4 " thick with good bits; I would consider making a V block fastened to the DP table. Line the insides of the V with sand paper. I think the pressure of your thumb pushing the disk into the sandpaper on the V would be more than sufficient to prevent turning. If not, I would work out a cam of some type to increase the pressure.

Keep the whole world singing. . . Dan G

(remove the 7)

Reply to
Dan G

Reply to
Thomas Mitchell

So go buy yourself a fancy new drill press vise that has V-shaped jaws. I've seen'em somewhere.

Not as cool as that jig I drew with ASCII art though.

Reply to
Silvan

ViseGrip makes a chain wrench which will wrap around a cylindrical object, then tighten down with the cam action used by all vise-grip pliers. The chain is free on one end to wrap around the object, then secured in a pair of hooks. This would require something to contain the plier handles to keem THEM from rotating.

I have an old pipe vise which already comes with the stepped V-blocks as standard equipment. One side of the vise opens to roll in the pipe, then closes and locks with a hook type catch. A threaded shaft and T-handle cause the V-blocks to close on the object. The base of the vise has 4 mounting holes to permit it to be mounted to a flat surface in any position. Mine is bolted to a piece of 2x6 lumber which I clamp to a sawhorse when in use.

Both of these solutions involve metal contact to the work piece and are capable of crushing the work with excessive force.

Reply to
Thomas Kendrick

Only if named incorectly.

Reply to
CW

Tom , I am going to a few things and hope I don't make and "ASS of U and ME"

1 You are drilling the face of the discs 2 You are using a dill press of some kind.

Try making a jig on a piece of plywood. Two strips of wood at a 45d angle to each other with snadpaper on the edge of each. If you need more holding power use a third pice of wood that fits the angle and put sand paper on that and use a quick clamp to hold that against the disc to be drilled.

Ken G

Reply to
Ken Grunenberg

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