Properties and application:

Specifications:

Indexable turning instert CNMA
Insert shape and angle
C 80° shape c 80
Normal clearance angle
N 0° angle n 0 
Tolerance class
M l ? 0,05
m ? 0,08
s ? 0,13
 tolerance sh c 
Chipbreaker and clamping type
A   type G

 

Insert application guide
Designation Super finishing Finishing Semi finishing Roughing Interrupted cut
CNMA 120416 NN m1 m2 m4 m2 m3
  miarka2 miarka2 miarka2 miarka2 miarka2
zalecenia1 Not recommended zalecenia2 Acceptable zalecenia3 Recommended zalecenia4 Excellent

 

Turning operations
toczenie wzdluzne toczenie poprzeczne
Straight turning Facing

 

DesignationGradelsr
CNMA 120416 NN PL 10 12 4,76 1,6

 

CNMA 120416 NN
Material groupGroup numberBrinell hardness [HB]ap [mm]Feed [mm/turn]A max [mm2]Vc [m/min]Optimal cutting conditions
minmaxminmaxminmaxapfeed
Low carbon steel 1 150 Not recommended
180
210
Alloy steel 2 180 Not recommended
230
280
320
High alloy steel 3 220 Not recommended
280
320
350
400
480
550
Austenitic stainless steel
 4 210 - 250 Not recommended
5 230 - 270
6 -
Ferritic stainless steel
 7 annealed Not recommended
Martensitic stainless steel
 8 annealed Not recommended
treated
Grey cast iron 9 140 - 230 0,50 5,0 0,20 0,90 3,0 170 250 4,0 0,60
2,7 230
2,7 210
Nodular cast iron 10 210 0,50 5,0 0,20 0,70 2,3 120 230 4,0 0,50
260 2,0 190
310 1,8 150
450 0,50 1,8 0,06 0,15 0,25 30 50 1,2 0,12
Nickel based alloys
 11 - Not recommended
Titanium based alloys
 12 - Not recommended