Quote Originally Posted by cooliced View Post
will it give better finish to the work too?
Well with out knowing what finish you get it's hard to say but I dont have any complaints. I very rarely cut less than 1mm Doc often it's 1.75mm @ 1100mm/min 10-12000rpm and still get a nice finish. Even when I'm being greedy and cutting upto 3mm Doc the finish is ok but it does wear the cutters quicker so found the best balance is around 1.5-1.75mm mark.
If I need fine finish then I just use a finish pass of 0.2mm and moderate feed rate.

Really you will need to play with your machine for the best balance regards ideal cutting speeds as every machine is differant but don't be affraid to let rip.!. . . You'll know when you've hit the sweet spot by the sound and the nice stream of chips flowing off the cutter.! . . . When a single flute is cutting sweet it's like taking a piss after you've been busting for hours.!! . . . Strong flow and nice Arghh sound. :rofl: