Quote:
Originally Posted by Darunada
the chain doesn't eat the HDPE away?
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Not any appreciable amount over the course of a competition season.
If you use softer or lower density plastics, the roller chain will start eating away the plastic rather quickly. But the
High
Density property of HDPE is great to act as a low-friction surface for the roller chain, without being eaten away.
On our previous robots, after four or five competitions, all we'd notice on our chain tensioners would be a two small grooves about 1/16" of an inch deep.