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Help! Binding arms on protoform table

 
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Lagomorph
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Joined: 26 Jul 2014
Posts: 9

PostPosted: Mon May 04, 2015 6:16 am    Post subject: Help! Binding arms on protoform table Reply with quote

Hi all, looking for some help / advice.

I'm almost done my frame for my protoform style table. I did change the measurements slightly to suit my application, but I built a mockup to make sure all the angles worked on the carrier arms, big lever, short lever etc.

Now the carrier frame moves up fine, but one side is stickier than the other, and one carrier arm touches the bottom of the side frames before the other resulting on side of the carrier sitting 1/4" higher than the other side.

If I push down hard on the main lever it evens out, but of course I want to make sure it's hitting the platen evenly.

Is this because there's binding somewhere?

Maybe one arm is slightly longer than the other?

Hinge location off?

Any help would be great! Thanks!
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crashmann
Master


Joined: 27 Sep 2005
Posts: 496

PostPosted: Mon May 04, 2015 12:22 pm    Post subject: Reply with quote

Can you post some pictures so we can see where the trouble is?

Charlie
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Lagomorph
Newbie


Joined: 26 Jul 2014
Posts: 9

PostPosted: Tue May 05, 2015 7:33 am    Post subject: Reply with quote

I think I figured it out. The hinge point on one side is about 1/16" closer to the vertical frame than the other side. Its throwing the tension off.

I tried sanding down the sliders but I'll need to adjust the position of the hinge point.
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