pic: 254 2010 Gearbox 1

[JeremyLansing]

Originally Posted by R.C.

Unsure what 254 does, We have bored out our dog gears to accept a R10 bearing and to broach to a bigger size numerous times. We take softjaws on the lathe and bore them out to the gear diameter. We hold the gear and open the bore via a boring bar.

Originally Posted by Cory

We do basically the same thing as RC, except soft jaws in a vise on a CNC mill. We then interpolate the bore and broach on the machine.

Thanks for the quick replies. Since we don't have a CNC machine we will most likely be trying the lathe approach, can you recommend any good boring bars or associated tooling?