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USER GUIDE
                                                                                                                      INDEXABLE DRILLS



          Drilling Head Mounting Procedure

                                                                CHAMDRILL Unlocking Change in Torque
                        CHAMDRILL DCM Drilling Head
               1                                                Typical Unlocking Torque Range

                                                                   700

                                                                   600
                                                                   500
                                                                 Torque [N*cm]  400

                                                                   300
                                                                   200
                                                                   100
               2
                                                                    0
                                                                     0  2  4  6  8  10  12  14  16  18  20  22  24  26  28  30
                                                                                  No. of Indexes
                                                                    Dia. 17-25.9 mm
                                                                    Dia. 11-16 mm
                                                                    Dia. 7.5-10.5 mm


                                                                The number of indexing changes according to machine/
                                                                clamping rigidity, machining conditions, workpiece
                                                                material, coolant, cooling pressure and correct usage.
               3                    oil
                                                                                   Coolant














                                                                In stationary drill
                                                                applications both
               4                                                internal and external
                                                                coolant supply is
                                                                recommended.













               5
















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