Page 455 - Hartner
P. 455

Shank designs for high speed straight shanks
                                               to DIN 1835 (extract)





           Form A, plain

                                                         d 1       l 1       d 1      l 1       d 1       l 1
                                                                  +2                  +2                 +2
           Dimensions in mm                              h8        0         h8       0         h8        0
                                         chamfer           3      28         10       40        32       60
                                         centre hole       4      28         12       45        40       70
                                                           5      28         16       48        50       80
                                        d 1                6      36         20       50        63       90
                                                           8      36         25       56
                               l 1

                           45°+1°  e 1
                               b 1
           Form B, with drive flat
                                         d 1       h 1
                                                        d 1   b 1   e 1    h 1   l 1    l 2        centre hole
                               l 1                            +0.05   0          +2     +1          form R
           Dimensions in mm          d 1                h6    0     -1     h13   0      0         DIN 332 part 1
                                     e 1
                            l 1
                                        d 1
            with one drive flat for   b 1  45°+1°        6    4.2    18    4.8    36     -         1.6x2.5
            d1 = 6 ... 20 mm   l 1      l 2
                        45°+1°  e 1    chamfer           8    5.5    18    6.6    36     -        1.6x3.35
                            b 1        centre hole
                           45°+1°  e 1        d 1       10     7     20    8.4    40     -        1.6x3.35
                               b 1
                                      d 1       h 1     12     8    22.5   10.4   45     -        1.6x3.35
                                  l 1
                            l 1
                                         d 1       h 1  16     10    24    14.2   48     -        2.0x4.25
                               l 1
                                  e 1                   20     11    25    18.2   50     -         2.5x5.3
                              b 1
            with two drive flats for   45°+1°  l 2 e 1  25     12    32     23    56    17         2.5x5.3
            d1 = 25 ... 63 mm    b 1
                                   45°+1°  l 2  centre    32   14    36     30    60    19        3.15x6.7
                                               hole
                                           d 1          40     14    40     38    70    19        3.15x6.7
                                              d 1       50     18    45    47.8   80    23        3.15x6.7
                               l 1
                                            chamfer     63     18    50    60.8   90    23        3.15x6.7
                                  l 1

           Form D, screwed shank

                                                        d 1      d 3         d 2      l 1   l 3    centre hole
                                                                    tol.        tol.   +2   +2       form R
           Dimensions in mm                             h8         zone        zone   0     0     DIN 332 part 1

                                    Z   centre hole     6    5.9   0    5.087  0     36    10       1.6 x 2.5
                                                                   -0.1        -0.1
                            d 1          d 3            10   9.9   0           0     40    10      1.6 x 3.35
                                                                   -0.1  9.087  -0.1
                                    l 3
                                                        12   11.9  0           0     45    10      1.6 x 3.35
                               l 1                                      11.087
                                                                   -0.1        -0.1
           Detail Z             1,27 (25,4/29)          16   15.9  0           0     48    10      2.0 x 4.25
           (cross section)                                         -0.1  15.087  -0.1
           thread profile to    55°                                0           0
           DIN ISO 228 sect. 1                          20   19.9       19.087       50    15       2.5 x 5.3
                              27°30’                               -0.15       -0.15
                                                        25   24.9  0    24.087  0    56    15       2.5 x 5.3
                                          0,813                    -0.15       -0.15
                         d 3  d 2                       32   31.9  0    31.087  0    60    15      3.15 x 6.7
                                R 0174                             -0.15       -0.15








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