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Chain Path Featurescript

marcusbernstein

By: marcusbernstein
New: 12-07-2017 07:02 PM
Updated: 12-07-2017 07:02 PM
Views: 2537 times


Chain Path Featurescript

Hi CD Community!

I'm proud to release my latest featurescript, Chain Path Generator! This Featurescript takes 2 sprocket tooth counts, chain pitch, and ctc as input. Based on these parameters, it generates a simplified single-part model with mate connectors (for you non-onshapers this just means super convenient to put into assemblies) of the chain path! This featurescript also spits back the number of links in the chain to ease real life assembly!

To add this feature to your Onshape, hit the plus in the feature bar (top right) of any part studio. Then copy the link below into the search bar and select "Chain Path Generator".
https://cad.onshape.com/documents/4506675fee630d7eab89d419/w/d8ce7ca95dfcc9f6cd55b3ad/e/466924050661caab10e8b394

If you just want to see an example, here is a sample part I put together:
https://cad.onshape.com/documents/82730c0322d1dc60af4c9813/w/1f993c789c151f684202a9b4/e/a258ec66b3cc94103d6bd1a9

If you saw MKCad and are curious what that is, MKCad is a comprehensive COTS parts library kind of like Spectrum's but native to Onshape. It will include parts from Vex, WCP, Andymark, Ozzyboards, Mcmaster, and other suppliers as well as featurescripts like these. If all goes well, the Milkenknights hope to release MKCad by the F4 Cadathon!

As always, your feedback and questions are much appreciated!

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12-07-2017 08:26 PM

chuteDoor


Unread Re: pic: Chain Path Featurescript

Neat!



12-07-2017 08:26 PM

AirplaneWins


Unread Re: pic: Chain Path Featurescript

Looks Interesting!
Does this only work for Onshape, or can you get it to work with other programs?



12-07-2017 08:26 PM

frcguy


Unread

Really sick dude. Keep the awesome work coming.



12-07-2017 08:31 PM

marcusbernstein


Unread Re: pic: Chain Path Featurescript

Quote:
Originally Posted by AirplaneWins View Post
Looks Interesting!
Does this only work for Onshape, or can you get it to work with other programs?
Hey Anirudh,

Short answer- I don’t think so. I was unable to find a solution in any CAD program. Because of this, I’m happy to whip up a .SLDPRT or .STEP for anyone who doesn’t have Onshape but wants to use this type of their thing in their robot CAD!



12-07-2017 08:50 PM

marshall


Unread Re: pic: Chain Path Featurescript

More good stuff!



12-08-2017 09:49 AM

Ty Tremblay


Unread Re: pic: Chain Path Featurescript

Nice work!



12-08-2017 10:59 AM

Classified*


Unread Re: pic: Chain Path Featurescript

Believe it or not, several times this season I wished for something like this! Haha. Great job



12-08-2017 11:08 AM

Bryce2471


Unread Re: pic: Chain Path Featurescript

This looks like a super cool and useful tool!

You might consider rounding the corners of the link plates, so that the sprocket sections don't have that saw blade look.



12-08-2017 02:11 PM

marcusbernstein


Unread Re: pic: Chain Path Featurescript

Quote:
Originally Posted by chuteDoor View Post
Neat!
Quote:
Originally Posted by frcguy View Post
Really sick dude. Keep the awesome work coming.
Quote:
Originally Posted by marshall View Post
More good stuff!
Quote:
Originally Posted by Ty Tremblay View Post
Nice work!
Quote:
Originally Posted by Classified* View Post
Believe it or not, several times this season I wished for something like this! Haha. Great job
Quote:
Originally Posted by Bryce2471 View Post
This looks like a super cool and useful tool!
Thanks everyone!!

Quote:
Originally Posted by Bryce2471 View Post
You might consider rounding the corners of the link plates, so that the sprocket sections don't have that saw blade look.
Probably a good call. I'll see what I can do to make the chain links look more like chain links without compromising render time.



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