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12-01-2017 #1
Hopefully that title got your attention...
Well I bought a low profile drill vice for use on my Novamill (due to low Z travel) as it seemed one of the more compact machine vices without the very high price tag.
It arrived, and is meant to have a milled and ground base, but when I put it on my table, or any table for that matter it rocks from side to side as pressure is applied to different bits of the vice.
I can push one corner and it rocks that way, then press the other corner and it rocks that way - its not massive, maybe a few mm - but it makes it nearly useless.
Is that a normal feature of these types of vices?
I ask as I complained and the supplier contacted the manufacture (I wont name at the moment, but not a small name) and then sent me one direct - but when it arrived it too rocks (though not as much)
So the question, is it normal to have a wobbly bottom?
Thanks
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12-01-2017 #2
Send them both back. The bottom of the vice must be flat. In some cases precision vices are hand scraped to acheive this.
Is the bottom is wobbly, I would hate to think what the surface between the jaws is like.
You sure you didn't buy a drill press vice?https://emvioeng.com
Machine tools and 3D printing supplies. Expanding constantly.
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12-01-2017 #3
Even my drill press vices are nice and flat underneath, send 'em back!
A good milling vice is definitely one of those bits of equipment where the money is well spent and a less than good one will consistently affect work unless it's shortcomings are precisely identified and compensated for,
- NickYou think that's too expensive? You're not a Model Engineer are you? :D
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13-01-2017 #4
Interesting - thanks guys I will call them.
Ref the vice, the reason I dont want to drop 500+ on one is I have such little Z height I wont be using for most jobs, as I plan on using alu fixture plates for most of the stuff (as I will be doing very small batches) so it sucks to drop so much on something that is there just for the odd adhoc job.
Yes its a drill press vice - wasn't aware that made a difference? Just wanted something low profile for a decent ££ - imagined it would at least have a flat bottom
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13-01-2017 #5
I seem to remember one of the home machining books by the likes of Harold Hall or similar had a way of fixing the drillpress vises for light milling.
As with most drill press related items they are only meant to take forces in one direction. have a look at low profile milling vices on googles. You do not need to go to the expense of 500.https://emvioeng.com
Machine tools and 3D printing supplies. Expanding constantly.
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13-01-2017 #6
Thanks Komatias, I didn't know that... so the X and Y motion of the mill wont agree with the drill press vice? Thats interesting.
So much to learn :D
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13-01-2017 #7
As you have a low Z clearance, you might consider a two part milling vice. Arc do one but it is probably too big. Chronos also have the Vertex ones, which are smaller.
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13-01-2017 #8
Someone on here (routercnc I think) linked to a low profile vise that they use...the likes of rdgtools, arceurotrade etc. all stock them I believe...
Sent from my HUAWEI VNS-L31 using Tapatalk
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13-01-2017 #9
little video I made of the issue as it explains it better than I can
https://youtu.be/iIlEiHpCyX0Last edited by Dangle_kt; 13-01-2017 at 04:38 PM.
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13-01-2017 #10
Could, I suppose, bolt it down inverted to parallels on the router bed, using the vice jaws machined surface on the parallels. Then skim the bottom. Pound to a penny, though, that the casting warped after machining and both bottom and "vice jaw face" are similarly distorted.
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