Quote:
Originally Posted by nerdherdmember
Do you ream/bore the ABS after printing, or is the print within tolerance for a press fit already (if you press fit, you could be using the plates to hold it in place I guess)? What's the resolution/layer size of that printer? Is it comparable to the makerbot replicator 2? How do you manufacture the cam? Sorry for all the questions, seeing your robot fly off the bridge with 3d printed wheels was what really planted the seed of 3d printing in my mind last year, so being able to get responses is very nice.
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We do ream and tap after printing, but usually for a reason other than tolerances (post creation modification, tap for a screw, etc.) we don't drill, it usually results in cracks. I'll get Lucas on here in the morning to answer your more specific questions as to the printer.
The cams we machine ourselves out of aluminum on our CNC.