Page 675 - ISCAR(MILLINGCATALOG 38_2021)
P. 675

ø3 typ.x2 (1)
          Drilling Eccenter Sleeves                       5                            DF
          Bushings for Enlarging
          or Reducing DR Nominal
          Drilling Diameters by Shifting                              DCONMS
          the Drill Off-Center                                                         DCONWS
                                                              OAL
           Designation                DCONWS             DCONMS                 DF                  OAL
           ECCENTER SLEEVE 20X25       20.00               25.00               40.00                44.00
           ECCENTER SLEEVE 25X32       25.00               32.00               50.00                46.00
           ECCENTER SLEEVE 32X40       32.00               40.00               65.00                55.00
           ECCENTER SLEEVE 40X50       40.00               50.00               75.00                77.00
          •  (1)  Holes for inserting a pin, used to facilitate radial adjustment of the sleeve (pin not supplied)    CENTER ALIGNMENT DEVICES
          Eccenter Sleeve Operating Instructions            Operation on a Lathe
                        Adapter            0.0                             Tool’s axis
                                                                +12 +8 +4  +8 0 -4 -8 L M  0.2  +0.4 0  +0.2
                                           90                   +4
           LATHE                             +0.4              +16  0                         +0.2  0
                                              0  +0.2                   X.001”
                                                      +0.2                                    L  -0.2 M
             DR-Drill                           +0.2 0
                                                                           Turret axis
                                                 L
                            Eccenter                            DCnom+0.2             DCnom
                                                  -0.2 M
                            Sleeve                L                                   Tool and turret
                        L
                         L         +0.2  0                                            axes coincide
          On a lathe, the eccenter sleeve can shift the drill’s axis to coincide with the spindle axis.
          The eccentric sleeve enables alignment of the drill’s axis with the spindle axis
          within a 0.2 mm range (turn the sleeve counterclockwise to raise it).




























































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