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2HRE                                                                                                                     RPM : rev./min Feed : mm/min

                          Carbon Steels             Alloy Steels         Prehardened Steels /    Hardened Steels        Hardened Steels          Ae
                                                 SK / SCM / SUS            Hardened Steels          SKD / SKT              SKD / SKT
     Material                                                                 NAK / SKD                                                         Milling
       Hardness                                  225 ~ 325HB                                   45HRc ~ 55HRc          55HRc ~ 60HRc            amount
                                                                         35HRc ~ 45HRc
                                                                                                                                                  for
                                                                                                                                              side Milling

                          (S45C/S50C) ~225HB

     Outside   Effective  RPM FEED        Ap     RPM FEED          Ap     RPM    FEED    Ap     RPM      FEED   Ap    RPM     FEED   Ap         Ae
     Diameter  Length
     0.1mm                                Axial                   Axial  30,000     16  Axial  44,800     180  Axial                Axial     Radial
     0.2mm       0.3                     Depth                    Depth  28,000     14  Depth  40,800     160  Depth                Depth     Depth
     0.3mm       0.5                                                     56,000    270         38,500     140
                 0.5      30,000     30  0.004   30,000     15    0.004  50,900    230  0.002  52,100     330  0.001  15,000               X    X
     0.4mm        1       28,000     28  0.004   28,000     14    0.004  48,200    200  0.002  42,700     260  0.002     -    10 0.001          X
     0.5mm       1.5      56,000    340  0.006   56,000    310    0.005  60,000    400  0.003  33,200     190  0.003     -     --             0.160
                  1       50,900    290  0.005   50,900    260    0.005  50,800    360  0.004  25,500     130  0.002           --             0.020
     0.6mm       1.5      48,200    250  0.003   48,200    230    0.003  41,500    280  0.002  20,900     100  0.004  14,600  14 0.003        0.006
                  2       60,000    560  0.009   60,000    500    0.008  31,900    190  0.006  16,300          0.004  14,600  13 0.003        0.101
     0.7mm        3       50,800    460  0.008   50,800    410    0.007  26,200    140  0.005  38,500      60  0.003  14,600  12 0.002        0.057
                  4       41,500    350  0.006   41,500    320    0.005  20,400     80  0.004  24,100     320  0.001  14,600  10 0.001        0.013
     0.8mm        5       31,900    240  0.002   31,900    220    0.002  48,100    470  0.001  19,700     160  0.001  14,600  9 0.001         0.004
                  1       26,200    170  0.001   26,200    160    0.001  30,100    240  0.001  32,500     100  0.001           --             0.003
                  5       20,400    100  0.001   20,400     90    0.001  24,600    150  0.001  25,700     350  0.005     -    17 0.003           -
                  10      52,700    660  0.012   57,700    640    0.010  40,600    510  0.008  23,700     260  0.001  14,300  14 0.001        0.054
                  2       38,500    380  0.003   34,200    300    0.003  32,200    370  0.002  21,700     230  0.001  14,300  11 0.001        0.003
                  3       33,700    260  0.001   27,300    190    0.001  29,700    330  0.001  19,700     200  0.010  14,300  20 0.005        0.001
                  4       56,800    900  0.020   54,000    760    0.016  27,200    290  0.014  17,400     170  0.006  14,000  19 0.004        0.098
                  5       44,200    660  0.080   39,900    530    0.090  24,700    250  0.008  15,600     130  0.005  14,000  18 0.003        0.016
                  6       40,600    580  0.009   36,100    460    0.008  21,600    190  0.008  13,000     100  0.004  14,000  17 0.003        0.012
                  8       37,000    500  0.080   32,300    390    0.008  19,600    150  0.006  31,300          0.002  14,000  16 0.001        0.008
                  10      33,400    420  0.005   28,500    320    0.005  16,300     70  0.003  26,800      50  0.001  14,000  14 0.001        0.004
                  14      29,100    320  0.002   24,100    240    0.002  39,100    600  0.001  22,300     410  0.001  14,000  12 0.001        0.002
                  2       26,100    250  0.001   21,200    180    0.001  33,500    500  0.001  20,400     340  0.001  14,000   --             0.001
                  3       21,500    120  0.001   16,700     80    0.001  27,900    390  0.001  18,400     270  0.011          23 0.006           -
                  4       63,600  1,240  0.025   53,300    930    0.020  25,500    340  0.016  16,000     240  0.009     -    22 0.005        0.203
                  5       52,500    990  0.018   44,000    740    0.016  23,000    290  0.013  14,300     200  0.006  12,000  21 0.003        0.114
                  6       41,300    740  0.012   34,700    550    0.011  20,000    230  0.009  13,100     160  0.005  12,000  20 0.003        0.025
                  8       36,700    630  0.010   30,900    470    0.009  17,900    180  0.007  10,800     130  0.003  12,000  19 0.002        0.017
                  10      32,100    520  0.007   27,000    390    0.006  16,400    150  0.005  28,800     100  0.002  12,000  17 0.001        0.008
                  12      26,800    390  0.004   22,600    300    0.004  13,500     70  0.003  20,600          0.001  12,000  15 0.001        0.003
                  16      23,400     30  0.002   19,700    230    0.002  36,100    660  0.002  16,900      50  0.001  12,000  13 0.001        0.002
                  2       20,900    240  0.002   17,600    180    0.001  25,800    440  0.001  14,700     430  0.001  12,000   --             0.001
                  4       16,200    100  0.001   13,700     80    0.001  21,200    330  0.001  13,200     290  0.015  12,000  24 0.010           -
                  6       59,800  1,380  0.030   50,200  1,040    0.027  18,400    260  0.021  21,000     230  0.009          22 0.006        0.038
                  8       38,900    840  0.017   32,700    630    0.015  16,500    220  0.012  19,300     190  0.005     -    20 0.003        0.047
                  10      30,200    600  0.010   25,400    450    0.009  26,200    530  0.007  15,800     160  0.003  10,000  18 0.002        0.014
                  2       25,300    460  0.006   21,300    350    0.005  24,100    480  0.004  13,800     370  0.002  10,000  16 0.001        0.006
                  4       22,000    360  0.004   18,500    270    0.003  19,800    370  0.003  12,400     330  0.016  10,000  21 0.012        0.003
                  6       41,200  1,050  0.033   34,500    460    0.029  17,200    300  0.023  11,300     250  0.013  10,000  20 0.010        0.108
                  8       37,100    930  0.027   31,100    700    0.024  15,500    240  0.019             200  0.007  10,000  18 0.005        0.080
                  10      28,800    680  0.015   24,200    510    0.013  14,100    200  0.010     980     170  0.004  8,000   16 0.003        0.024
                  12      24,100    520  0.009   20,300    390    0.008  12,300    150  0.006  14,800     140  0.003  8,000   14 0.002        0.010
                  14      21,000    420  0.006   17,700    320    0.005  18,500    420  0.040  12,900     100  0.002  8,000   12 0.001        0.005
                  6       18,700    340  0.004   15,800    260    0.003  16,100    330  0.003  11,600     290  0.001  8,000    --             0.003
                  8       15,600    230  0.002   13,200    180    0.020  14,500    270  0.001  18,700     230  0.010  8,000   18 0.007        0.001
                  10      27,600    790  0.019   23,000    590    0.017  23,400  6,500  0.013  18,700     190  0.006  8,000   16 0.004        0.038
                  2       23,000    600  0.012   19,300    450    0.011  23,400  6,500  0.008  17,200     440  0.004          14 0.002        0.016
                  3       20,000    470  0.008   16,800    360    0.007  21,500    580  0.005  15,700     440  0.024     -    15 0.011        0.008
                  4       37,900  1,340  0.048   31,500    990    0.043  19,600    510  0.034  14,100     400  0.024  7,200   15 0.011        0.263
                  5       37,900  1,340  0.048   31,500    990    0.043  17,600    440  0.034  12,300     360  0.020  7,200   15 0.010        0.263
                  6       34,100  1,170  0.040   28,400    870    0.036  15,300    360  0.028  11,000     310  0.016  7,200   15 0.009        0.195
                  8       30,300  1,000  0.032   25,300    750    0.029  13,800    300  0.022  10,100     250  0.012  6,500   14 0.007        0.013
                  10      26,500    850  0.023   22,100    630    0.021  12,600    250  0.016             210  0.007  6,500   13 0.040        0.058
                  12      22,100    660  0.014   18,600    490    0.013  11,700    210  0.010   9,400     170  0.005  6,500   12 0.003        0.024
                  14      19,200    530  0.010   16,200    400    0.009  11,000    180  0.007   8,800     150  0.003  6,500   11 0.002        0.013
                  16      17,200    440  0.007   14,500    330    0.006            130  0.005   7,900     130  0.002  6,500   10 0.001        0.007
                  20      15,600    360  0.005   13,200    270    0.004   9,800     80  0.003   7,100          0.002  6,500    --             0.005
                  25      14,300    300  0.004   12,100    230    0.003   8,800     30  0.003   6,500      90  0.001  6,500    --             0.003
                  30      12,500    200  0.003   10,600    160    0.003   8,100         0.002              50  0.001  6,500    --             0.001
                          10,800    120  0.003              90    0.002                 0.002              30  0.001   650     --             0.001
                                     50  0.002    9,200     40    0.002                 0.001                                                    -
                           9,700                  8,200                                                                  -
                                                                                                                         -
                                                                                                                         -
                                                                                                                         -

     Depth of Cut                                Slotting                               Side Milling
                                                 Ap Axial Depth                         Ap Axial Depth
                                                 D Outside Diameter                     Ae Radial Depth

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