Table clamps

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Tom Smith
Posts: 297
Joined: Mon Apr 09, 2012 9:55 pm
Location: North Vancouver, British Columbia

Table clamps

Post by Tom Smith » Mon Mar 18, 2013 3:47 pm

I adapted theclamps on thingiverse (http://www.thingiverse.com/thing:776 ) to use some 6mm plywood scraps I had laying around. Gluing three layers together is a bit of a pain, though, so the original approach might be preferable.

The knobs are my own design, and incorporate some of the many square nuts I've got lying around...I guess buying the bag of 100 did come in handy after all.
uploadfromtaptalk1363621568968.jpg
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Improbable Construct
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Re: Table clamps

Post by Improbable Construct » Mon Mar 18, 2013 4:18 pm

Nice work.

If I ever get around to using some sort of clamping method other than drywall screws into my spoil board I will have to make some of these.
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jzhvymetal
Posts: 21
Joined: Thu Nov 22, 2012 1:36 am

Re: Table clamps

Post by jzhvymetal » Mon Mar 18, 2013 5:24 pm

Tom,

Nice Job!! Also you may want to check out the following http://www.shapeoko.com/forum/viewtopic ... t=10#p9725. I originally made some of the ones from thingverse but they where cracking when tightened.

Tom Smith
Posts: 297
Joined: Mon Apr 09, 2012 9:55 pm
Location: North Vancouver, British Columbia

Re: Table clamps

Post by Tom Smith » Mon Mar 18, 2013 5:59 pm

jzhvymetal wrote:Tom,

Nice Job!! Also you may want to check out the following http://www.shapeoko.com/forum/viewtopic ... t=10#p9725. I originally made some of the ones from thingverse but they where cracking when tightened.
Nice, I might make a set of those too :)
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bluecamel
Posts: 84
Joined: Fri Feb 07, 2014 5:27 pm

Re: Table clamps

Post by bluecamel » Wed Apr 09, 2014 4:29 pm

Sorry, I know this is a noob question, but can anyone tell me what's up with that DXF? I pull it into MeshCam and it's a very odd shape that looks like it might make sense if only the depths of cuts were different for each section of the geometry, and if the toolpath ignored part of the geometry. It's very strange to me, but I'm sure I'm missing something about how others are dealing with DXFs.

Full disclosure: I'm jumping between CAD/CAM solutions, trying to find something that doesn't need a ton of study. I have had success with exporting STLs from Sketchup and creating toolpaths with MeshCam, but I can never seem to get anyone else's DXFs to do anything worthwhile and always just recreate it in Sketchup. I'm fairly happy with that workflow for things I design, but would sure love to benefit from the designs that others have made too ;)
Shapeoko 2 ..::.. DW660 with 3d printed mounts, HDPE version of IC's dust shoe

RobCee
Posts: 587
Joined: Wed Jan 08, 2014 11:33 am
Location: Birmingham, UK

Re: Table clamps

Post by RobCee » Wed Apr 09, 2014 5:58 pm

It will start to make sense once you get into the CAM side of things a bit more. You often want to chop pockets (larger holes) into parts and need the cutter to run outside the edge of the finished component. The simplest way to achieve this is to make your pocket geometry larger than the section you want to remove. This is why there are those strange shapes over the middle of the parts - they are pockets cut to less than the full depth. Then the outline is cut as a profile, to the full depth and the part is complete.
It is a slightly odd way to think about parts, but it works and it's much simplet to draw it in your CAD system of choice than to try to make it machinable in a CAM package!
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bluecamel
Posts: 84
Joined: Fri Feb 07, 2014 5:27 pm

Re: Table clamps

Post by bluecamel » Wed Apr 09, 2014 8:01 pm

Thanks, RobCee. When I pull the file into MesCam it asks for a depth and I enter my material depth. It makes all parts of the geometry the same height. So, I guess I'm just missing the way to define that in MeshCam. Can you point me towards info on this way of doing things?
Shapeoko 2 ..::.. DW660 with 3d printed mounts, HDPE version of IC's dust shoe

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