View Full Version : Resharpening of Drills end mills

04-27-2007, 11:01 AM
I just got a cnc tool and cutter grinder....isnt it easier to grind some of the stuff on a manual one??? i get this feeling and i think i may be doing something wrong...but i can look at the tool and say if its good or bad..but i dont know the values to put on my cnc to make em look good....stupid..!!!! yes i know...but....

04-27-2007, 11:16 AM
you might have purchaserd this machine for some specific need or may have somespecial requirment.

04-27-2007, 11:33 AM
what machine did you buy?

04-27-2007, 11:41 AM
i just saw, you have a jungner
axial rake on the end , try 1dg
the tool must be rubbing somewhere for it to spark, check behind the rad.
whats your clearance on the dia.?
try 9 and and 20dg.
the rake is probably not the reason for the spark.

04-29-2007, 02:33 AM
Hey cb1,
Thanks for the info..... the relief behind the radius (of 0.8mm) is just a primary relief of 10deg with a land of 0.8mm
on od and face reilief are 10deg/21 deg and 7deg and21deg respectively.....