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3D printed belt guides

s_forbes

By: s_forbes
New: 08-02-2017 22:52
Updated: 08-02-2017 22:52
Views: 1610 times


3D printed belt guides

If you are using flat belts, this seems to be a quick easy way to build guides to keep them in place. Each guide is a 3D-printed standoff with a small 3D printed roller that sits around it. Works great and doesn't require any machining other than drilling a rivet hole, as long as you have a frame member in a good location.

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Yesterday 01:34

avanboekel


Unread Re: pic: 3D printed belt guides

What is that blue roller material? We've had some issues with our polycarbonate tubes flexing from the polycord.



Yesterday 02:02

s_forbes


Unread Re: pic: 3D printed belt guides

It is a 6061 aluminum tube, 1.25" OD and 0.065" wall thickness. It's very stiff and lightweight, and it's just the right size to allow pressing a 1.125" OD bearing into the end. It is anodized blue from the manufacturer.



Yesterday 02:45

RoboChair


Unread Re: pic: 3D printed belt guides

You can also keep the belts tracking by taking an O-ring and electrical taping it in place to act as a crown to keep the belt where you want it.



Yesterday 15:53

Cory


Unread Re: pic: 3D printed belt guides

Quote:
Originally Posted by RoboChair View Post
You can also keep the belts tracking by taking an O-ring and electrical taping it in place to act as a crown to keep the belt where you want it.
Or just actual tape, though our testing this year has shown that flat belting like this in the bottom of a hopper with a large mass of unconstrained balls on top of it very easily derails.



Yesterday 16:33

Brandon_L


Unread Re: pic: 3D printed belt guides

Quote:
Originally Posted by Cory View Post
Or just actual tape, though our testing this year has shown that flat belting like this in the bottom of a hopper with a large mass of unconstrained balls on top of it very easily derails.
Second, just a couple wraps of electrical tape directly under where you want the belt to sit works perfectly

We haven't had issues with it, but apparently you have so I guess it depends on setup



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