- Joined
- Mar 26, 2018
- Messages
- 8,412
Erich, I agree with you. In my case, I have not been successful boring with my mill.This is why it amazes me that people use the lathe for the bore on these engines instead of the mill. I found it SO much easier to do a facing op on the mill, then boring head for the bore, drill/ream the valve, use the DRO for the bolt circle.
Then flipped it over, indicated on the bore, then faced and DRO'ed the other bolt circle.
I didn't need to use transfer punches or transfer screws at all.
I have a 2" Shars boring head. I have tried every type of cutting edge I can think of. I always end up with chatter.
It's to the point where I thought it was the bearings in my mill.
I have checked the spindle for runout, looseness, end play etc. The mill runs flawlwss for every function.
It has to be the boring head or the cutters/my grinding or a combination of the two.
I even have stout Criterion tool bits.