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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
ac8

Conveyor Belt

by ac8 Oct 21, 2018
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Hi, What did you use to join the sides of the band?

Thanks!
It is already clear to me how to assemble, but will you have the approximate measurements of the wood?
Thank you!

We used 1 3/8 sq and cut to 11 1/4 length from home depot

I used two pieces of wood running parallel along the sides, with the crossbraceV3 holding them together. I will post a photo early next week and also add it to the build photos.

How hard it would be to make it a bit smaller (i.e. belt 5cm wide)? Do you expect any traps or resizing STLs should work fine?

It wouldn't be hard to resize the internal structure stl. Although making only 5cm wide may be an issue fitting the parts together as intended without any changes. Check the exploded diagram and give it a try. We used 2x2 pieces of wood for the frame. Youd have to use something much smaller. Hope that helps you.

Can it be made to drop only 1 item at a time? So lets say there are 10 candy bars on the belt, after only 1 press, 1 candy bar "always" falls off the edge. And then let's say the we change the candy bar to a smaller item like a tootsie roll, so 50 rolls spaced evenly on the belt and only have 1 "always" 1 falls of the edge after only 1 button press.

It is possible to have it do that with the correct hardware and optical sensors, similar to a grocery store conveyor. We chose to have a momentary button to keep the cost lower. The momentary button works for as long as you hold it down. Works perfectly for our situation.

what about without sensors, basically spacing the bars evenly on each individual track, the button gets pressed and the track only rolls 5 cm

You can use a stepper motor to run the belt a fixed distance per button press. My conveyor runs off a stepper motor and arduino. The speed is adjustable etc.

I would suppose it could be possible, although I have not personally investigated that type specific type of electronics or the possibility of a programmable circuit board.