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16th June 2009, 11:14 PM #1Senior Member
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Installing vice: how square is square?
Hi
I've just made a bench and installed the bolts for the front vice during construction. The vice is an old record 52 1/2.
I've now put the vice on. I was lining up the wooden front jaw to locate screw holes for attaching it, when i noticed the metal front vice grabbed one side sooner than the other.
So I got my trusty sliding square out and measure left and right sides, with the jaws open a bit. Well I'm about 1mm out of alignment.
Is this worth worrying about? To re-align the bolts would be near impossible. Will the 1mm virtully disappear under applied vice pressure?
cheers
tom
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16th June 2009 11:14 PM # ADSGoogle Adsense Advertisement
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16th June 2009, 11:21 PM #2
if your worried about it make the timber jaw on the moving side parallel with the bench by means of sanding it to match the bench.
it may put a taper on the timber jaw...but that doesn't matter as it will close in parallel.
thats only if it worries you..... i think it would close up fine.
good looking heavy duty bench tom
well done
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16th June 2009, 11:26 PM #3Senior Member
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thanks. I'm going to add dog holes and an end vice.
I think 1mm probably isn't worth the worry... once the wood in the jaw compacts a bit with use i'll probably not notice it.
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16th June 2009, 11:37 PM #4
you will put something vertical in it one day then the 1 mm will be on the other side then..lol
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17th June 2009, 10:17 AM #5
Is the 52 1/2 a quick release type? I had a quick release type where the jaws were out of alignment by about the same degree and it made the mechanism slip. A business card shim or too sorted it out. Don't forget you may have to taper your wooden jaws so they marry top-to-bottom too.
cheers
Michael
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17th June 2009, 12:04 PM #6Senior Member
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Thanks Mic. Where does the business card shim go? It is a quick release. The mechanism doesn't slip, but sometimes it takes a few turns to re-engage the thread.
The way I've installed it means there isnt much play between the bolts and the bolt holes, so i cant really turn it.
Come to think of it, maybe i need to do some more checking of "square".... I have installed the vice, and added the rear wooden jaw. I was measuring from the front metal jaw to the rear wood jaw... so the alignment issue could be a change in thickness of the wood in the rear jaw, or of the front metal jaw relative to back metal jaw....
I'll go and look at it again tonight.....
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17th June 2009, 02:50 PM #7
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17th June 2009, 03:02 PM #8Senior Member
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Sounds good. I was thinking about planing the face of the front wood jaw parallel to the rear wood jaw. But this seems a better option.
Thanks for the tip.
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17th June 2009, 03:34 PM #9
I have installed 2 vices so far and both times I found the top of outside metal face made contact first. I put it down to my work being a bit out of square and adjusted the wood cheek to suit. After reading this post I am wondering if the vices are built with a small toe in at the top.
Regards
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17th June 2009, 04:14 PM #10Senior Member
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According to some things I've read, the good ones are made with a slight incline of the top of the jaw.
Mine is contacting sooner on the left top rather than the right top.... different kind of out-of-parallel.
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17th June 2009, 06:50 PM #11
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17th June 2009, 08:11 PM #12Senior Member
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cool. i wont dwell on it then.
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27th June 2009, 08:03 AM #13Member
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