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Re: 25# Sprockets
As mentioned above, most teams don't do it due to the fact that AM (and similar) sprockets are so readily available and cheap. I am sure, however, that there are a few teams out there that do it just for giggles.
It is relatively light on the design process. Drawings for the sprockets are readily available online from various sources. Drawings can also be done easily with a tool in inventor (don't ask me how, but I've seen it done).
Once you have your design, you have to choose your manufacturing process. A popular method is to use a waterjet to cut them out of a sheet of 6061 aluminum that is .125 of an inch thick. I prefer the waterjet idea as it allows you to make a lot of them at one time and minimizes machine time.
__________________
"A mind once stretched by a thought will never regain it's original dimensions."
Optimists think the glass is half full.
Pessimists think the glass is half empty.
Engineers realize it's twice as big as it needs to be.
Last edited by Garrett.d.w : 22-07-2013 at 17:40.
Reason: added material type
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