Darmet - Cutting Tools

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Milling inserts SPUN

 

Properties and application:

Specifications:

SPUN 
Insert shape and angle
S 90° shape s 90 
Normal clearance angle
P 11° angle p 11 
Tolerance class
U l ? 0,13
m ? 0,2
s ? 0,13
tolerance sh s 
Chipbreaker and clamping type
N type N 

 

productivity feed coolant
To increase productivity it is recommended to increase feed while respecting cutting speed Please use coolant when machining suitable material groups

 

Operations
frezowanie czolowe fazowanie
Surfacing Chamfering

 

DesignationGradelsP/rDCutting direction
SPUN 120308 PL 30 12 3,18 0,8 - neutral

 

SPUN 120308
Material groupGroup numberBrinell hardness
[HB]
ap [mm]Feed [mm/turn]Vc [m/min]
minmaxminmaxminmax
Low carbon steel 1 150 0,5 7,0 0,18 0,32 180 300
180 7,0 0,32 260
210 7,0 0,32 220
Alloy steel 2 180 0,5 7,0 0,15 0,28 130 200
230 7,0 0,28 180
280 0,5 7,0 0,15 0,25 100 160
320 7,0 0,25 140
High alloy steel 3 220 0,5 7,0 0,12 0,27 90 130
280 7,0 0,27 110
320 0,5 7,0 0,12 0,23 60 95
350 7,0 0,23 80
400 0,5 5,0 0,10 0,18 40 80
480 3,0 0,16 70
550 1,5 0,14 60
Austenitic stainless steel
4 210 - 250 Not recommended
5 230 - 270
6 -
Ferritic stainless steel
7 annealed
Martensitic stainless steel
8 annealed
treated
Grey cast iron 9 140 - 230 0,5 7,0 0,15 0,35 150 240
220
190
Nodular cast iron 10 210 0,5 7,0 0,12 0,28 100 200
260 160
310 130
450 0,5 3,0 0,10 0,14 30 60
Nickel based alloys
11 - Not recommended
Titanium based alloys
12 -

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