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A question about gearbox design . .
I see lots of gearboxes that follow the same basic pattern: two metal plates with bearing in them supporting lots of gears. how those two plates are attached to each other varies.
I want to know three things:
A)What material is used for those plates? It looks like 1.4 inche aluminum or something similar
B)How do you get those bearings into the plates? This has baffled me. It looks like a hole is cut a a bearing just stuck in there. Why isn't it coming out? Is this a locktite/glue you are using. I realize that side loads would be zero or minimal, but you still could have your boat broadsided by something really fast like team 16's 2003 robot, and those bearings could fly out . .
C)What degree of precision are those plates cut with? Is it possible without a CNC mill?
And fourth (I lied about only three questions), where does one find a standard-sized gear that will fit onto the CIM's shaft?
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