KGD: Recommended cutting conditions (feed rate / ap)

Workpiece material: S50C Grooving Grooving CW CW

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

2.5 6 ~8 5 GG 4

0.1 0.2 0.3
3
f (mm/rev)
2
When turning:

keep ap less than or equal to the corner-R(RE). 0.05 0.1

f (mm/rev) Note 1. The above values are based on the condition that CDX of toolholder is 17 mm or less. 6 5

4 3 2

0.05 0.10 0.15 0.20 0.25

f (mm/rev)

6 5 4 3 2

0.05 0.10 0.15 0.20 0.25

f (mm/rev)

CM chipbreaker [Cutting amount (ap) in back copying]

Maximum ap in back copying

DescriptionTMaximum ap (m oolholder descripm) tion
KGD…-2T…KGD…-3T…KGD…-4T…KGD…-5T…KGD…-6T…
GDM3020N-150R-CM0.240.20---
4020N-200R-CM-0.240.20--
5020N-250R-CM--0.300.20-ap
6020N-300R-CM---0.300.25