- Joined
- Mar 25, 2013
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- 4,613
I just did this. I used a shop made boring bar type tool with a shop ground HSS bit. Here are pics:
I use a zero rake with about a 7deg clearance angle on the end. The side clearance was guestimated and was probably only a few deg. Set screw in the end holds the cutter.
I just went back and forth with the carriage advancing the cross slide as needed. The whole operation took about 5 minutes once I was set up. You should give this another try with a different cutting geometry.
I could see a blind hole not being quite so easy but still possible. A blind hole will be even harder with a broach however! ; )
Robert
I use a zero rake with about a 7deg clearance angle on the end. The side clearance was guestimated and was probably only a few deg. Set screw in the end holds the cutter.
I just went back and forth with the carriage advancing the cross slide as needed. The whole operation took about 5 minutes once I was set up. You should give this another try with a different cutting geometry.
I could see a blind hole not being quite so easy but still possible. A blind hole will be even harder with a broach however! ; )
Robert
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