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[machinist] Two piece mill vises - what is the ultimate ?
- From: Lawrence London <lfljvenaura@gmail.com>
- To: machinist@lists.ibiblio.org
- Subject: [machinist] Two piece mill vises - what is the ultimate ?
- Date: Tue, 4 Feb 2014 20:43:42 -0500
http://www.practicalmachinist.com/vb/general/two-piece-mill-vises-what-ultimate-211269/
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09-22-2010, 10:20 AM #1
Two piece mill vises - what is the ultimate ?
Below is POS example just posted to confirm the type of vise I'm talking about. What would be the highest quality example of this style of mill vise in 5 to 6 inch width range ?
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09-22-2010, 10:31 AM #2
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You did say the ultimate two piece vise.
This one has to be mounted to a plate or plates, "of any length" first however.
Stevens torque limiting sub plate vise, I have not come across anything remotely close to the quality of this.
Stevens torque limiting vise picture by donsmonarch10ee - Photobucket -
09-22-2010, 10:36 AM #3
Hi there Milacron..
The Quad-I Vise shown in my Avatar can be set up for large parts using long Acme screws.
So you buy two and use them normally and then when needed stretch them out and have a large vise too. It's done by removing the moving jaw from one and the fixed jaw from the second, then setting in the long screw. The vises are very easy to "remodel" in 5 to 10 minutes. The screw is from Keystone and is a 1"-6 Acme rolled thread they come in 3' and 6' lengths. The mill table doesn't feel any stress as the screw connects the two vises.
It's a more expensive way to go but the vises are quite versatile. Quad-I Precision CNC Milling Vise
If you have interest I can email some pics for you.
Best regards,
Stanley Dornfeld -
09-22-2010, 10:51 AM #4
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I will point out that the vise Milacron pictured is a piece of crap. The reason a good vise Co does not make them is.
This type of vise most likely will damage the machine by bending the table.
A wise person would use a subplate vise. -
09-22-2010, 11:53 AM #5
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A boring mill jaw and just a bar on the other end. Don't know where ours come from, but we've got a couple around the shop. Looks like they were made to fit the tables on our Cincis. The "fixed" end is just a solid bar that's been Blanchard ground with 3 holes for SHCS.
Kind of like this except the top jaws are different.
Small Tools Inc.
JR -
09-22-2010, 12:13 PM #7Kind of like this except the top jaws are different.
Small Tools Inc. -
09-22-2010, 12:16 PM #8
Yes! The six inch vises from Kurt had usable hole patterns, so I didn't want to change them.
On the Four inch Quad-I Vise I did change the hole pattern and bolt size. I thought 5/16" bolts were big enough and I also moved them down a bit so soft jaw sets could have deeper steps without cutting into the bolt counterbore.
Here are more pictures.. Quad-I pictures by Meta1cutter - Photobucket
Thanks for your interest,
Stan- -
09-22-2010, 12:21 PM #9
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I'd say the carver vices are about as good as they come in this style.
Machine Vices
My dad has an 8" one, it's the only split vice I've ever used that doesn't just slide across the table when you tighten it up. -
A mate of mine has a Carver 2 piece, and it's the mutts....... jammy swine picked it up BNIB for a tenner, Carver gear is big ££££££
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09-22-2010, 12:27 PM #11
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09-22-2010, 02:15 PM #12
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09-22-2010, 02:18 PM #14
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Sorta curious, Milacron. What do you/customer want/need to use it on? Is it overall capacity or height that is the determinant? I assume the former?
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09-22-2010, 02:31 PM #15
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I'd say the carver vices are about as good as they come in this style.
Machine Vices
My dad has an 8" one, it's the only split vice I've ever used that doesn't just slide across the table when you tighten it up. -
Saw these in a trade mag, so no actual experience with them. But they do look similar to what you had a pic of and I think they are made in the US, http://www.hrmfg.com/custom/cart/edit.asp?p=127143.
On edit, just realized these are somewhat similiar but different than your pic - may help someone though. -
09-22-2010, 02:33 PM #17
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OML MC Vise is my personal favorite.
http://www.omlusa.com/pdf/CATALOG_USA_MC%20Vise_03.pdf
The vises are totaly modular you can use a Base with fixed support with jaws, and a Complete extension element.
Or buy one of the MC 150 x 200 vises with an extension element. The vise is under $1k and the extension element is around $400.
I love these vises, awesome quality. The tolerance on the vise is good enough that they don't need to offer matched sets either. There also ground pretty much everwhere, even the slot that the vise jaw slides through is ground. They use an Acme thread instead of a regular 60 deg thread like kurt uses too.
- [machinist] Two piece mill vises - what is the ultimate ?, Lawrence London, 02/04/2014
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