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Vice Grip???? (Read 256 times)
 
Ron Carrabotta
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Vice Grip????
Jun 7th, 2019 at 5:05pm
 
Not sure if this is the right place for this so feel free to move to a different section of the Forum.

The other night at our monthly club meeting the demonstrator was doing a demo on using hollowing tools on a small lathe. Towards the end of his demo, he picked up a 3/4" hollowing bar with no handle and a carbide tip. Pretty standard stuff so far. Then he took an 8"pair of Vice-Grips and clamped them on to the bar to use as a torque arrestor and attempted to hollow the piece.

After the demo, several of us discussed this and all of us were in agreement that that this was a potentially dangerous practice. We will be sending out a safety message to all of our Club Members disavowing this practice. In retrospect, we should have said something at the time. We have several new and intermediate turners in the Club and its never too early to instill good turning practice.

Your thoughts on the"Vice Grip Trick"?  Embarrassed Embarrassed Embarrassed
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« Last Edit: Jun 7th, 2019 at 5:07pm by Ron Carrabotta »  

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Dwight Rutherford
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Re: Vice Grip????
Reply #1 - Jun 7th, 2019 at 9:41pm
 
I agree with Ron.
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Ed Weber
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Re: Vice Grip????
Reply #2 - Jun 8th, 2019 at 10:24am
 
I have many pairs of vise-grips. I swear by them and occasionally at them. They are IMO a great tool.
BUT
They should NOT be used in this way, period.
While it's unlikely, (if properly tightened) that they would come loose. It's just a dangerous position to put yourself in. Vise-grips can and do, slip off due to worn jaws or galling of the metal they're temporarily holding. There's no guarantee they will hold with the stresses being applied during hollowing.

This is one of those things where, if you want to do it in you shop, fine. But please don't sell it as a viable alternative to the proper tool. Vise-grips are not a handle.
This topic could easily fit in Tool talk, Turning Talk, or Tips and Techniques, under the heading of (what not to do)
JMO
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Ralph Fahringer
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Re: Vice Grip????
Reply #3 - Jun 8th, 2019 at 10:28am
 

Award for stupidity. It reminds me of the Youtube video of a guy making bowls using his table saw. Roll Eyes
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robo_hippy
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Re: Vice Grip????
Reply #4 - Jun 8th, 2019 at 10:29am
 
Well, it could work.... Torque on the hollowing tools depends on the tool. The swan or goose neck tools have the cutting tip in line with the shaft, so as long as the curve isn't on the tool rest, there is pretty much no torque. If you have that curve on the tool rest, then it will want to twist. Personally, I wouldn't do it. I do have a vice grip on the set screw on my banjo since the softer pot metal handle stripped some years back. The serrations on the vice grip match those on the set screw....

robo hippy
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Ralph Fahringer
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Re: Vice Grip????
Reply #5 - Jun 8th, 2019 at 11:32am
 
I hear sledge hammers work on banjos as well!!! Shocked Shocked Grin Grin
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Ed Weber
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Re: Vice Grip????
Reply #6 - Jun 8th, 2019 at 12:40pm
 
I never said it wouldn't work, I said it's not something I would promote.
I've used many different tools in ways in which they were not designed to be used, usually out of necessity.
That being said, I know the difference and what I can and can not get away with. If I had the proper tools or if there were proper tools at all, I wouldn't misuse the ones I had.

Vise-grips can get you out of all sorts of binds but "usually" are a temporary solution until you can get the proper repair or part.

Can you make a wooden bowl with your tablesaw, sure you can.
Are either the saw or the blade designed to be used in this way, absolutely not.
I look at it like this;
just because you can doesn't mean you should and just because you didn't injure yourself, doesn't mean it's safe to do.
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robo_hippy
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Re: Vice Grip????
Reply #7 - Jun 9th, 2019 at 11:58am
 
Well Ralph, not sure about sledge hammers on the banjo, but there is a hammer claw method of picking....

robo hippy
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Chris Neilan
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Re: Vice Grip????
Reply #8 - Jun 9th, 2019 at 1:58pm
 
Ralph Fahringer wrote on Jun 8th, 2019 at 11:32am:
I hear sledge hammers work on banjos as well!!! Shocked Shocked Grin Grin


Hey, do not harm the banjos! (Note my avatar)

As I recall I was playing  “City of New Orleans”
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« Last Edit: Jun 9th, 2019 at 1:59pm by Chris Neilan »  

Delta 46-460: awesome
Powermatic 3520: more awesome!
Shopsmith Mark 7: Wonderful! (But I don't use it as a lathe yet)
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Ralph Fahringer
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Re: Vice Grip????
Reply #9 - Jun 10th, 2019 at 9:36am
 
Yeah, I guess you could use the claw end of a hammer on a banjo as well. Either will completely destroy it,

so... win-win. Smiley

Heck, I'm sure you could do some damage with a pair of vice grips in an emergency!! Shocked
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« Last Edit: Jun 10th, 2019 at 9:37am by Ralph Fahringer »  

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Chris Neilan
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OUCH!

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Re: Vice Grip????
Reply #10 - Jun 11th, 2019 at 7:40am
 
Not nice, Ralph! Not nice...  Angry


Grin

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Delta 46-460: awesome
Powermatic 3520: more awesome!
Shopsmith Mark 7: Wonderful! (But I don't use it as a lathe yet)
Shopsmith Mark V
Shopsmith 10ER
 
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Ralph Fahringer
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I'm the "Burly" Man!!

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Ellsworth, Maine, USA
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Re: Vice Grip????
Reply #11 - Jun 11th, 2019 at 8:18am
 
Not YOUR banjo, Chris!!

I'm sure that your banjo sounds great!! Grin Grin Thumbs Up

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« Last Edit: Jun 11th, 2019 at 8:19am by Ralph Fahringer »  

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