KMT STELLRAM - полный каталог инструмента - 2014 год EN

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Tool Selection

IntroductionThe following Material Guide pages enable you to select the
appropriate geometry and grade along with a suggested start
                                                                                                           D.O.C. ap (mm)point for speeds and feeds. Simply select the material to be
machined and type of machining operation.

1st Choice                                                                                                                       1                                                                       5

1 Select your material.                                                                                                    Negative Inserts – Unalloyed Steel

2 Select your machining                                                                                                                                                                                                                ap (mm)     4
      operation from finishing to                                                                                                                                                                                                      1,2 - 5,5   3
      roughing.
                                                                                                                                                                                             ap (mm)
                                                                                                                                                                                             0,75 - 3,0

                                                                                                                                                      ap (mm)                                               fn (mm/rev)
                                                                                                                                                      0,5 - 2,0                                              0,25 - 0,5

3 Recommended geometry for         6                                                                                                                              fn (mm/rev)
                                                                                                                                                                  0,15 - 0,45

the operation.                                                                                                             fn (mm/rev)
                                                                                                                             0,1 - 0,3

                                                                                                                                                                                                                         NL920         NL400

4 Maximum and minimum depth                                                                                                                                                    NL920         NL300                       4TVc (m/min)  Vc (m/min)
      of cut for this geometry.                                                                                                                                                                                            30 - 90      50 - 215

                                                                                                                                        NL250         NL250                    2NVc (m/min)  Vc (m/min)                           NL300
                                                                                                                                                                                 30 - 90      60 -230                           Vc (m/min)
                                                                                                                                                                                                                                100 - 380
                                                                                                                                        1BVc (m/min)  Vc (m/min)                        NL250
                                                                                                                                                       60 - 245                       Vc (m/min)
                                                                                                                                         40 - 165                                     105 - 410

5 Maximum and minimum feed                                                                                                                      SP0819                                                                   ROUGHING
      for this geometry.                                                                                                                       Vc (m/min)
                                                                                                                                               140 - 450                       MEDIUM

                                                                                                                                        FINISHING

6 Choose the machining                0,0                                                                                                                         Feed fn (mm/rev)
      condition as below:

Interrupted cut                                                                                                                         72

Varying depth
of cut

Good condition

7 Recommended grade and
      cutting speeds for this
      condition.

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