KGD

Recommended insert grades (Vc: m/min)

Chipbreaker Workpiece materialCermetMEGACOATMEGACOATCarbideMEGACOATCBNPCD
NANOCBN
TN620TN90PR1535PR1225PR1215GW15KBN05MKBN570KPD001
GM
Carbon steel----
80~220100~22080~20080~200100~200
GL
Alloy steel----
CM70~20080~20070~18070~18080~180
Stainless steel------
PH60~15060~15060~150
Cast ironGS--------
100~200
AluminumGS-------
200~500150~2,000
NB
Brass-------
100~200200~800
Hard materials--------
80~150
NB
Sintered steel--------

100~250 :1st recommendation :2nd recommendation GG Recommended cutting conditions (feed rate / ap) Workpiece material: S50C

Grooving Turning CW

f CW

f In the graph below indicates the most recommended value of feed (f)

84.0CW =8mm
5~63.0CW=6mm
3~4CW=5mm
2.0CW=4mm
<3CW=3mm
1.0CW 3mm
0.3 0.2 0.1 0.1 0.4 0.3 0.2
f (mm/rev)f (mm/rev)
4.0
5~6CW=6mm
3.0
3~4CW=5mm
2.0CW=4mm
2.4CW=3mm
1.0CW=2.4mm
0.3 0.2 0.1 0.1 0.4 0.3 0.2
f (mm/rev)f (mm/rev)
3~4
* 2 mm width is not recommended

2 1.0 3-4mm

0.1 0.2 0.3 0.4

0.1 0.2 0.3 f (mm/rev)

f (mm/rev) 3.0 CW =6mm 5~6 CW=5mm 2.0 CW=4mm

3~4 CW=3mm 1.0

0.1 0.2 0.3

f (mm/rev) 0.1 0.2 0.3 0.4 0.5

f (mm/rev) Note 1. The above values are based on the condition that CDX of toolholder is 17 mm or less. 2. If the toolholder is not for the 8 mm width insert and its dimension CDX is over 17 mm, set the values for turning to 90% or less of those above.