Properties and application:

Specifications:

DNGG 
Insert shape and angle
D  55° shape d 55 
Normal clearance angle
N 0° angle n 0 
Tolerance class
G l ? 0,05
m ? 0,08
s ? 0,13
 tolerance sh d 
Chipbreaker and clamping type
G type G

 

Insert application guide
Designation Super finishing Finishin Semi finishing Roughing Interrupted cut
DNGG 110404 ALU m4 m4 m2 m1 m1
DNGG 110408 ALU m2 m4 m3 m3 m2
miarka2 miarka2 miarka2 miarka2 miarka2
zalecenia1 Not recommended zalecenia2 Acceptable zalecenia3 Recommended zalecenia4 Excellent

 

Turning operations
toczenie wzdluzne toczenie ksztaltowe
Wzdłużne Kształtowe

 

DesignationGradelsr
DNGG 110404 ALU PL 05 11 4,76 0,4
DNGG 110408 ALU PL 05 11 4,76 0,8

 

DNGG 110404 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 5,0 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 DNMG 110404 NN insert.
For aluminium with high content of silicon it is recommended to use DNMG 110404 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

 

DNGG 110408 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 5,0 0,12 0,60 2,0 400 1200 0,5 - 3 0,23
4% < Si < 8% 13 - 0,10 0,45 1,6 250 600
Si > 8% 14 - Recommended to use DNMG 110408 NN inserts.
 For aluminium with high content of silicon it is recommended to use DNMG 110408 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