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Unread 09-10-2018, 06:06 AM
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Generating pulleys for AndyMark Belts

I am attempting to create pulleys for a robot in a custom size, by 3D printing them. In Inventor, there is the option in the design accelerator to generate "Synchronous Belts", but I don't know how I would create a system which employs the belts from AndyMark (5mm pitch HTD) such as this. What options or other tools should I use to accomplish this?
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Unread 09-10-2018, 08:24 AM
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Re: Generating pulleys for AndyMark Belts

Use this Parametric pulley generator and import the STL.

https://www.thingiverse.com/thing:16627
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Unread 09-10-2018, 10:33 AM
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Re: Generating pulleys for AndyMark Belts

If you have problems with the pulley generator, you can alternately download the CAD for a COTS pulley of the same desired tooth count, get the 2D profile from that, and then extrude your own with whatever desired features and thicknesses you want.

A pro tip for 3D printing - to avoid using a bunch of support material that will gunk up your belt teeth, either omit the top flange or print the top flange as a 45 degree angled surface from the root of the tooth upward.
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Unread 09-10-2018, 04:38 PM
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Re: Generating pulleys for AndyMark Belts

I use traceparts.com and then I edit parts in Solidworks for our needs, like holes for the bearing or hex.

Here you can find HTD 5M
https://goo.gl/mYqmjw
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Unread 11-02-2018, 03:36 PM
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Re: Generating pulleys for AndyMark Belts

Another option is Camnetic's GearTeq. We make many laser cut gears and the software does a great job of generating the correct involute. It also seems to work well with the HTD profile.

http://camnetics.com/gearteq/index.htm

But it is quite expensive ($1900).
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Unread 11-02-2018, 04:39 PM
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Re: Generating pulleys for AndyMark Belts

Dost thou havest SolidWorks?

Once you drag the pulley from the "toolbox" into the parts window, you can right-click on the pulley graphic in the toolbox, and select configure. From there you can tweak what you want the pitch, diameter, etc. to be.

**just noticed this was specifically in the Inventor forum, sorry if the SW is way off topic**
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Last edited by SenorZ : 11-02-2018 at 05:41 PM. Reason: apologies
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Unread 11-02-2018, 07:47 PM
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Re: Generating pulleys for AndyMark Belts

Quote:
Originally Posted by peebeeaitch View Post
Another option is Camnetic's GearTeq. We make many laser cut gears and the software does a great job of generating the correct involute. It also seems to work well with the HTD profile.

http://camnetics.com/gearteq/index.htm

But it is quite expensive ($1900).
Educational Pricing* US$95
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Unread 11-03-2018, 02:14 AM
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Re: Generating pulleys for AndyMark Belts

Quote:
Originally Posted by Wingus&Dingus View Post
Educational Pricing* US$95
Pretty thick of me not to have not seen that. I was actually going to write to them to find out if they could offer what they're already offering.
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