pic: 3 cim shifting gearbox from 2471

[thinker&planner]

Originally Posted by akoscielski3

Did you cut smaller holes on the waterjet and then drill them with the proper drill size on the mill? or did you leave that section blank and then drill the holes?

If you water jet the holes to a smaller size then drilled them out with the proper size you could save time. You should do that on a drill press though so the drill bit goes into the center of the hole by itself. That's what I would do at least.

For the #10 clearance holes, we left that section blank. For the bearing holes, we cut out like a 1" diameter hole so that we didn't have to center-cut with the bearing endmill.

I thought about making a center "pilot hole" for all of the bolt clearances, and I can't remember why we didn't do it. We certainly will in the future.