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Unread 21-01-2009, 10:17
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Re: Round Belting - Solid vs. Hollow, Polycord vs. McMaster

Quote:
Originally Posted by Brandon Holley View Post
You need to make sure you put grooves in whatever pulleys you are using....otherwise, there is nothing keeping the belts from separating (i'm assuming thats what you meant by splitting).
Unless he means that the cords themselves are splitting when formed into a loop??
If that's the case, then your tension is way too high on your belting.
If you just heat up the ends & melt them together & let the completed loop cure for a while, they should suffice for a while.
Also, if you can, try using very thin wall shrink tubing to assist in holding the joint together as an added protection from the splitting.
Don't forget to put that on before you join the two ends though... or you may have a bit of an issue.


Another trick I heard of was to "tin" the ends?? I heard that terminology thrown around the shop before, but I'm not sure what it means exactly.
Maybe throwing some solder on the ends of the plastic helps the adhesion process a bit??
I'll have to find out, & report back here with my findings. Maybe it was just team slang for the heating process we used in the past? Not sure.
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