Каталог Stellram токарный инструмент - страница 3

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Tool Selection
Introduction


The following Material Guide pages enable you to select the
appropriate geometry and grade along with a suggested start
point for speeds and feeds. Simply select the material to be
machined and type of machining operation.

1st Choice 1 5
Negative Inserts – Unalloyed Steel
1 Select your material.
2 Select your machining
ap (mm)
1,2 - 5,5 4
operation from finishing to ap (mm)
0,75 - 3,0
roughing. ap (mm)
0,5 - 2,0 fn (mm/rev)
0,25 - 0,5
D.O.C. ap (mm)


fn (mm/rev)
3 Recommended geometry for 0,15 - 0,45
the operation. 6 fn (mm/rev)
0,1 - 0,3
NL920 NL400
Vc (m/min) Vc (m/min)
4 Maximum and minimum depth 30 - 90 4T 50 - 215
NL920 NL300
Vc (m/min) Vc (m/min) NL300
of cut for this geometry. NL250 NL250
30 - 90 2N 60 -230 Vc (m/min)
100 - 380
Vc (m/min) Vc (m/min) NL250
40 - 165 1B 60 - 245 Vc (m/min)
105 - 410
5 Maximum and minimum feed SP0819 ROUGHING
for this geometry.
Vc (m/min)
140 - 450
MEDIUM 3
FINISHING
6 Choose the machining
0,0 Feed fn (mm/rev)
condition as below:
Interrupted cut
7 2
Varying depth
of cut

Good condition

7 Recommended grade and
cutting speeds for this
condition.


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