Properties and application:

Specification:

VNGG 
Insert shape and angle
V  35° shape v 35 
Normal clearance angle
N 0° angle n 0 
Tolerance class
G l ? 0,05
m ? 0,16
s ? 0,13
 tolerance sh v 
Chipbreaker and clamping type
G type G

 

Insert application guide
Designation Super finishing Finishing Semi finishing Roughing Interrupted cut
VNGG 160404 ALU m4 m4 m1 m1 m1
VNGG 160408 ALU m2 m3 m4 m1 m2
miarka2 miarka2 miarka2 miarka2 miarka2
zalecenia1 Not recommended zalecenia2 Acceptable zalecenia3 Recommended zalecenia4 Excellent

 

Turning operations
toczenie wzdluzne toczenie ksztaltowe
Straight turning Contour turning

 

DesignationGradelsr
VNGG 160404 ALU PL 05 16 4,76 0,4
VNGG 160408 ALU PL 05 16 4,76 0,8

 

VNGG 160404 ALU
AluminiumGroup numberBrinell hardness
[HB]		ap [mm]Feed [mm/turn]A max [mm2]Vc [m/min]Optimal cutting conditions
minmaxminmaxminmaxapfeed
Si < 4% 13 - 0,25 6,0 0,12 0,30 1,5 400 1200 0,5 - 3 0,23
4% < Si < 8% 13 - 0,10 0,25 1,2 250 600
Si > 8% 14 - Recommended to use VNMG 160404 NN insert.
For aluminium with high content of silicon it is recommended to use VNMG 160404 NN insert with cutting conditions shown below.
Si > 8% 14 - 0,50 5,0 0,10 0,30 0,80 200 400 0,5 - 1,2 0,15

 

VNGG 160408 ALU
AluminiumGroup numberBrinell hardness
[HB]		ap [mm]Feed [mm/turn]A max [mm2]Vc [m/min]Optimal cutting conditions
minmaxminmaxminmaxapfeed
Si < 4% 13 - 0,25 6,0 0,12 0,60 2,0 400 1200 0,5 - 3 0,32
4% < Si < 8% 13 - 0,10 0,45 1,6 250 600
Si > 8% 14 - Recommended to use VNMG 160408 NN insert.
 For aluminium with high content of silicon it is recommended to use VNMG 160408 NN insert with cutting conditions shown below.
Si > 8% 14 - 0,50 5,0 0,18 0,45 1,50 200 400 1,0 - 3,0 0,25