Description
TNMG 1604 Carbide inserts for general machining of steel.
starting cutting condition parameters:
Feedrate 0.15-0.30 mm/rev
Vc 80-150 mm/min
Ap (depth of cut) 1-3 mm
with cutting conditions somewhere in there you should get nice chip breaking and tool life.
We normally use 2 mm depth of cut and 0.30 mm/rev feedrate when using a .8 mm radius insert.
To see more workshop testing videos check out our workshop testing page.
check below the video for feeds and speeds.
Here are the feeds and speeds we were running.
4 mm depth of cut.
. 27 mm/rev feed rate.
110 mm/min cutting speed.
72 mm Dia chewy stud bar. Similar to 4340 high tensile
Length of cut was 350 mm
Total machining time per part. 15 mins and there were 4 parts total so roughly 1 hr cutting time. This is the same insert that was used for the last couple of days machining as the main roughing insert In a job shop.
