2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN

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           EXTERNAL THREADING

           SMGHOLDER                                       a	Screw-on type.
                                                           a	Positive insert suffers from negligible chattering.
                                                           a	Suitable for narrow grooving and threading.
                                                           a	Thread pitch < 2.0 mm.

           SMGH                                 External threading, Grooving

                                                                                                 Threading                              Grooving                5°          h2 2.5
                                                                                                                                                                                             H1
                                                F2    60°                                                   B                                     B
                                                  H25°                                                              1°30 F1                               H2
                                                                                                                                      H1
                                                           L2                                                                           L2 6°

                                                                                            2.5                                                                              SMGHR1010E16:h2=4
                                                                                                                                                                             SMGHR1212F16:h2=2

           (Note)	Cutting in the opposite              6° 3.5                                   L1
                    direction is not possible.
                                                                                                                                                                    Right hand tool holder only.
                                 Stock                     Insert Number                                                                Dimensions (mm)
                                                                                                                                                                             *

           Order Number

                                 R Threading                                                     Grooving   H1 B L1 L2 H2 F1 F2 Clamp Screw                                                     Wrench
                                                                                                            10 10 70 16.5 10 12 11.7 FC400890T                                                  TKY10F
           SMGHR1010E16 s                                                                                   12 12 80 16.5 12 16 15.7 FC400890T                                                  TKY10F
                                                                                                            16 16 100 20 16 20 19.7 FC400890T                                                   TKY10F
THREADING  1212F16               s                             SMGTR16X2ooo                                 20 20 125 20 20 25 24.7 FC400890T                                                   TKY10F
           1616H16                                             SMGTR16X2oooC                                25 25 150 20 25 32 31.7 FC400890T                                                   TKY10F
           2020K16               s SMTTR160360oo

                                 s

           2525M16 s

           * Clamp Torque (N • m) : FC400890T=2.5

           y STANDARD OF DEPTH                          a METRIC SCREW THREAD
             OF CUT
                                                               P (Pitch)                                    0.75                        1.00      1.25          1.50        1.75                2.00
                                                                                                                                                                                                1.23
           a	The chart on the right shows the cutting             h1                                       0.46                        0.61      0.77          0.92        1.07                0.94
              depths when machining external ISO                   h2                                       0.35                        0.47      0.59          0.70        0.82                0.29
                                                           r (Nose Radius)                                  0.11                        0.14      0.18          0.22        0.25                0.25
              metric screw threads.                                                                         0.18                        0.20      0.20          0.25        0.25                0.25
           a	When using cermet grades or cutting                             1                             0.13                        0.15      0.18          0.20        0.20                0.20
                                                                              2                                                                                                                 0.15
              stainless steel, please increase the                                                                                                                                              0.15
                                                                                                                                                                                                0.10
              number of passes by 2  3 times.                                                                                                                                                  0.08
                                                                                                                                                                                                0.05
                                                H/4 h2                                           3          0.10                        0.10      0.12          0.15        0.20
                                                     h1
                                                          H                                      4          0.05                        0.10      0.12          0.15        0.15

                              r                                           Number of Passes       5                                      0.06      0.10          0.10        0.12

                                                                                                 6                                                0.05          0.07        0.10

                                                                                                 7 0.05

                              P8
                                                                                             9

                                                        (Note) The first pass causes a high load on the cutting edge.
                                                                 In order to avoid damage, keep the depth of cut to 0.4  0.5mm maximum.

           RECOMMENDED CUTTING CONDITIONS

             Work Material    Hardness          Grade      Cutting Speed (m/min)                              Work Material                       Hardness          Grade Cutting Speed (m/min)
           P                   < 180HB           NX55        200 (150  250)                                M
                                                UTi20T       120 (100  150)                                                                       < 200HB         UTi20T  100 (70  130)
                  Mild Steel                                                                                   Stainless Steel
                                                                                                                                              Tensile Strength
           Carbon Steel       180  280HB        NX55      170 (150  200)                                  K                                      < 350MPa         UTi20T   80 (60  100)
            Alloy Steel                         UTi20T      100 (70  120)                                         Cast Iron                                        HTi10   100 (70  130)

           s : Inventory maintained in Japan. r : Non stock, produced to order only.

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