By now, you probably figured out the question
Tool bit dulling in about 15 rev of the work. every HHS tool that I have dulled
So got the books out & re ground to the following spec
8 deg F clearance
10 deg side
5 deg Pos top rake
80 deg tool included angle
speed at 50 ft /min
Im attempting to machine a back plate for my new 4jaw All purchased from Shars
Suggestions appreciated
Tool bit dulling in about 15 rev of the work. every HHS tool that I have dulled
So got the books out & re ground to the following spec
8 deg F clearance
10 deg side
5 deg Pos top rake
80 deg tool included angle
speed at 50 ft /min
Im attempting to machine a back plate for my new 4jaw All purchased from Shars
Suggestions appreciated