Kyocera - Основной каталог 2010-2011 ENG

                                                для заказа - kyocera@kyocera-tools.ru                                                               Radius Plus Mill

Recommended Cutting Conditions (MHD-RSA)

                                  Workpiece Material: C50 (S50C)                                                   Workpiece Material: Cast Iron

Application Description       Cutting Speed Vc  fz (mm/t)                      Max. Condition                  Cutting Speed Vc  fz (mm/t)           Max. Condition
                                  (m/min)                               Depth ap (mm) Width ae (mm)                (m/min)                    Depth ap (mm) Width ae (mm)

             MHD 32-S32-4RSA  100 0.1                                     40 1/2 of Cutting Dia.

Shouldering  40-S32-5RSA      100 0.1                                     45 1/2 of Cutting 120 0.15                                                             1/2 of Cutting
             40-S42-5RSA                                                                     Dia.                                                   45

                                                                                                                                                                       Dia.

             50-S42-6RSA

             MHD 32-S32-4RSA

Slotting     40-S32-5RSA      80 0.1 1/2 of Cutting                                                            100 0.15 1/2 of Cutting
             40-S42-5RSA                                    Dia.                                                                              Dia.

             50-S42-6RSA

             MHD 32-S32-4RSA  80 0.1                                      40 1/2 of Cutting Dia.
                              80 0.1
Ramping      40-S32-5RSA                                                                       1/2 of Cutting  80                0.1                45     1/2 of Cutting
                                                                                                     Dia.                                                        Dia.
Shouldering  40-S42-5RSA                                                  45

             50-S42-6RSA

             MHD 32-S32-4RSA

Ramping      40-S32-5RSA      80                0.1                     1/2 of Cutting                         80 0.1 1/2 of Cutting
                                                                              Dia.                                                           Dia.
Slotting     40-S42-5RSA

             50-S42-6RSA

MHD32-S32-4RSA is not suitable for slotting and slant slotting of carbon steel / alloy steel.

Guide for Drilling

Depth of Drilling

Radius Helical Endmill MHD-RSA / MHD-RC

     Description              C-Dimension Recommended ap

FPMT090340ER             (Distance from body bottom to insert end: mm)  when Drilling
RPMT10T3M0
RPMT1204M0                    3mm                                         2mm
RPMT1204M0-H
                              4mm                                         3mm                                                                       $

                              5mm                                         4mm

The ap should have approx. 1mm clearance from C-dimension when Drilling.

Traversing after Drilling                                                                                                                                                            M

When Traversing after Drilling                                                                                                                   -

   Reduce the table feed by 50% until the center core part is                                                                                                                        Milling
   completely cut off.
   (The internal cutting edge's radial rake angle is large in the
   negative direction)
   The Min. transfer length “L” to make the flat face is as follows.

         Insert               L (mm)                                                                                             Center Core               %
                              D-7
FPMT090340ER                  D-9
RPMT10T3M0
RPMT1204M0                    D-11
RPMT1204M0-H

Guide for Ramping (Slant Milling)                                                                 Formula of the Transfer Length “L” at Max.
                                                                                                                      Slant Angle
The transfer length “L” at the maximum slant angle  in the
ramping operation depends on the ap.                                                                                                                 ap
                                                                                                                                                    tan 
                                                                                                                                 L=

             Toolholder                         Angle  (°)                   tan 

MHD32-S32-4RSA(MHD32-4R)                        6°                            0.105                                                           -
MHD40-S32-5RSA(MHD40-5R)                        8°                            0.141

MHD40-S42-5RSA(MHD40-5R)                        8°                            0.141
MHD50-S42-6RSA(MHD50-6R)                        8°                            0.141

* Above is the value considering the clearance 1mm between the tool body and the workpiece.

                                                                                                                                                                                 BQ

                                                                        kyocera@kyocera-tools.ru                                                                                     M131
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