Peter Wallers Robot Ramblings

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peterwaller
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Location: Aylesbury Bucks
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Re: Peter Wallers Robot Ramblings

Postby peterwaller » Thu Aug 10, 2017 2:28 pm

I have been looking at ways to improve the design of my tracks.
The existing tracks have a flexible 3D printed insert to stop them stretching too much and provide the drive pins but there is quite a lot of friction between the rubber and the side walls of the wheels and also small bit of rubber from around the drive pins shown below gets into the gearboxes.
Image
So I have changed the design so only the 3D part runs on the wheels.
Here is the insert, the insert in the mold and the finished track.
Image
Below is a close up of the insert showing how the rubber is molded through the three holes into the hollow drive pin area to ensure the tracks are held on firmly.
Image

User avatar
peterwaller
Posts: 3470
Joined: Fri Feb 15, 2002 12:00 am
Location: Aylesbury Bucks
Contact:

Re: Peter Wallers Robot Ramblings

Postby peterwaller » Fri Aug 11, 2017 12:41 pm

Here is the final track on a test setup with the new drive wheels.
https://youtu.be/u8IMARUlHO0


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