XY IDLER for GT2 16T/20T Timing Pulleys | HYPERCUBE

by PurchenZuPoden, published

XY IDLER for GT2 16T/20T Timing Pulleys | HYPERCUBE by PurchenZuPoden Mar 18, 2017


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Hi Everybody!

I have designed a new XY-Idler for my Hypercube. With this Idler I can use the 16 toothed pulleys that I ordered from banggood:

Be carefull if you buy your idlers. 5 of my 6 ordered pulleys where not drilled concentric and have an unbalance! The Idlers from Banggodd are also very expensive. Try to get them cheaper and in a bigger quantity. For example from Aliexpress:

12.05.17 UPDATE:

  • New 20T XY Idler
  • Bigger gap for 16T Idler for less friction

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any change making a 5mm bore version?

5mm Bore for which type of pulleys?

For the 20T would be great

have a look in the download files.

want to laugh?

I did modified the files on fusion 360... now i see this.


Will the 16t version work even if I’m using 20t pulleys on the steppers?

Do I need to keep all the idlers/pulleys (Both idler and XY joiner ones) with the same teeth count or can those be mixed? How?

Any chance you could upload a STEP file for this part?

Hey, have a look in the download files list.

Thank you very much.
I am slowly building a set of parts that work with 10mm belts. I am not an expert so it helps me a lot to have files like this to start from.
I will upload the remake files when i complete the set.

what about 20t pulley?

Would you like to convert it for 3030 alu size ?

Looks very nice.
Could I ask you what didn't you like about the pulleys used in the original Hypercube?

Hi Peter,
there are mostly two reasons. I do not want to have a twisted belt in my hypercube. And I don't like the flanged bearings as ldlers because they have very sharp edges in the inside of the flange. Also the gap for the belt is too small. Conventional pulleys are always more than 1mm wider. My belts are already wearing of on the side surfaces because of that.
But dont get me wrong, I think the original design would work forever and is also very cheap but I do like a cleaner solution in my hypercube.