View Full Version : rpm and feed rate 4 st304 help plz


shaikaa1
07-07-2007, 10:50 AM
i need to drill

hss/co d-3.0

stst 304

rpm?

feed rate mm/min?

only 6 parts

plz help

Mitsui Seiki
07-07-2007, 12:00 PM
S5000 F250 works fine for me.

joecnc1234
07-07-2007, 09:58 PM
In 304 I would go 2000 rpm 100mm/min if your rpm is too fast you will work harden the material and burn the drill up. 304 isn't that much fun to machine.
Joe

shaikaa1
07-08-2007, 01:18 PM
In 304 I would go 2000 rpm 100mm/min if your rpm is too fast you will work harden the material and burn the drill up. 304 isn't that much fun to machine.
Joe


work good thx

joecnc1234
07-10-2007, 04:22 AM
good