Darmet - Cutting Tools

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Milling inserts TPUN

 

Properties and applications:

Specifications:

TPUN 
Insert shape and angle
T 60° shape t 60 
Normal clearance angle
P 11° angle p 11 
Tolerance class
U l ? 0,05
m ? 0,013
s ? 0,025
tolerance sh t 
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 rowkow frezowanie wystepow frezowanie czolowe 
Slotting Shoulder milling Surfacing

 

DesignationGradelsP/rDCutting direction
TPUN 160308 PL 30 16 3,18 90° 15° right

 

TPUN 160308
Material groupGroup numberBrinell hardness
[HB]
ap [mm]Feed [mm/turn]Vc [m/min]
minmaxminmaxminmax
Low carbon steel 1 150 0,5 12,0 0,15 0,25 180 300
180 12,0 0,25 260
210 12,0 0,25 220
Alloy steel 2 180 0,5 7,0 0,12 0,23 130 200
230 7,0 0,23 180
280 0,5 7,0 0,12 0,22 100 160
320 7,0 0,22 140
High alloy steel 3 220 0,5 7,0 0,12 0,18 90 130
280 7,0 0,18 120
320 0,5 7,0 0,12 0,18 90 110
350 7,0 0,18 100
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 12,0 0,15 0,25 150 240
220
190
Nodular cast iron 10 210 0,5 12,0 0,12 0,21 100 200
260 160
310 130
450 0,5 3,0 0,10 0,16 30 60
Nickel based alloys
11 - Not recommended
Titanium based alloys
12 -

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