Page 919 - YG 2019
P. 919

X-POWER                  X-POWER
 END MILLS  RECOMMENDED CUTTING CONDITIONS  END MILLS  RECOMMENDED CUTTING CONDITIONS




 CARBIDE, 6&8 FLUTE 45° HELIX LONG LENGTH - SIDE CUTTING  CARBIDE, 6&8 FLUTE 45° HELIX CORNER RADIUS - SIDE CUTTING



 EM208, EM812 SERIES  EM668, EM835 SERIES

 ■ NORMAL SPEED  ■ HIGH SPEED
 P                                                                P
 MATERIAL  CARBON STEELS  ALLOY STEELS  MATERIAL  CARBON STEELS  ALLOY STEELS
 ALLOY STEELS  TOOL STEELS  HARDENED STEELS  HARDENED STEELS  ALLOY STEELS  TOOL STEELS  HARDENED STEELS
 CAST IRON                       CAST IRON
 HARDNESS  ~HRc30  HRc30 ~ HRc50  HRc50 ~ HRc55  HRc60 ~ HRc65  HARDNESS  ~ HRc50  HRc50 ~ HRc60  HRc60 ~ HRc65
 2
                                                                                                  2
 STRENGTH  ~1000N/mm 2  1000 ~ 1750N/mm 2  1750 ~ 2080N/mm 2  2080N/mm ~  STRENGTH  ~ 1750N/mm 2  1750 ~ 2080N/mm 2  2080N/mm  ~
 DIAMETER  RPM  FEED  RPM  FEED  RPM  FEED  RPM  FEED  DIAMETER  RPM  FEED  RPM  FEED  RPM          FEED
 1/4  5560  79.0  3880  54.0  1580  8.3  1100  5.1  1/4  16800  240.0  8400  120.0   4200           58.0
 5/16  4200  79.0  2940  54.0  1160  8.3    840  5.1  5/16  12600  240.0  6300  120.0  3200         58.0
 3/8  3360  79.0  2320  54.0  1000  8.3    680  5.1  3/8  10000  235.0  5000  120.0  2500           58.0
 1/2  2840  66.0  2000  46.0    840  7.1    560  4.4  1/2    8400  200.0  4200  100.0  2100         50.0
 5/8  2100  50.0  1480  35.0    640  5.1    420  2.8  5/8    6300  150.0  3150    75.0  1600        37.0
 3/4  1680  40.0  1160  27.0    500  4.4    320  2.4  3/4    5000  120.0  2500    58.0  1260        30.0
 1  1260  25.0    870  17.5    375  3.0    240  1.5
                             1.5D                         1.0D                         1.0D
 1.5D  1.5D  1.0D  1.0D
                                        0.05D                        0.05D                         .008
 0.1D  0.05D  0.05D  .008
                                                                                                   RPM = rev./min.
 RPM = rev./min.                                                                                   FEED = inch/min.
 FEED = inch/min.
 ■ HIGH SPEED
 P          CARBIDE, 6&8 FLUTE 45° HELIX EXTRA LONG LENGTH - SIDE CUTTING
 MATERIAL  CARBON STEELS
 TOOL STEELS  HARDENED STEELS  HARDENED STEELS
 HARDNESS  ~HRc50  HRc50 ~ HRc60  HRc60 ~
 2
 STRENGTH  ~1750N/mm 2  1750N/mm 2  1750N/mm ~  EM218, EM812, EM834 SERIES
 DIAMETER  RPM  FEED  RPM  FEED  RPM  FEED                       P
 1/4  16800  240.0  8400  120.0  4200  58.0  MATERIAL  NON-ALLOYED STEELS  ALLOY STEELS
 5/16  12600  240.0  6300  120.0  3160  58.0  ALLOY STEELS  HEAT RESISTANT  HARDENED STEELS  HARDENED STEELS
                                                    STEELS
 3/8    9980  235.0  5040  120.0  2520  58.0  HARDNESS  CAST IRON  HRc40 ~ HRc50  HRc50 ~ HRc60  HRc60 ~ HRc65
                              ~HRc40
 1/2    8400  199.0  4200  100.0  2100  50.0  2             2                     2                  2
 5/8    6300  149.0  3160    75.0  1580  37.0  STRENGTH  ~1250N/mm  1250 ~ 1750N/mm  1750 ~ 2080N/mm  2080N/mm ~
 3/4    5040  120.0  2520    58.0  1260  30.0  DIAMETER  RPM  FEED  RPM  FEED  RPM  FEED   RPM        FEED
 1    3790    75.0  1890    38.0    950  19.0  1/4  2230  19.0  1670  14.0  1390  10.0    1110        8.0
              5/16      1670       18.0       1250        13.0      1050        9.5        840        7.0
              3/8       1330       17.0       1000        12.0       840        9.0        680        6.3
 1.5D  1.0D  1.0D  1/2  1110       16.0        840        11.0       690        8.5        560        6.0
              5/8        840       13.0        630          9.0      530        6.5        420        5.0
 0.05D  0.05D  .008
              3/4        670       11.0        500          8.0      420        6.0        320        4.7
               1         540         9.5       400          6.5      340        5.0        270        3.7
 RPM = rev./min.
 FEED = inch/min.
                                    3D                                          3D
                                               0.01D                                       0.005D

                                                                                                   RPM = rev./min.
                                                                                                   FEED = inch/min.


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