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USER GUIDE
      INDEXABLE DRILLS  Mtl. No.  80-110-140  Feed vs. Drill Diameter  Indication of Drill Head Wear  0.2-0.3



          Cutting Condition Recommendations

                                       CHAMIQDRILL
                                                                                   Wear Limit
                      V m/min
                                         D=33.0-40.0
                                          mm/rev
              1
              2

              3
                     80-100-120
              4      80-105-130         0.30 0.40 0.50
                      70-90-110
                                                                                 Diameter Change
              5       50-70-90
              6      80-100-120                                               Ø > D nominal + 0.15 mm
              7       70-90-110                                                    D nominal
                                        0.30 0.40 0.50
              8       50-70-90                                                Ø < D nominal - 0.03 mm
              9       40-55-70
             10       50-70-90
                                        0.25 0.30 0.35
             11       40-60-80

             15      90-125-160
                                                                                 Power Restriction
             16      80-110-140
                                                                                     P (1)       (2)
             17      90-135-180                                                            Px1.25
                                        0.40 0.50 0.60
             18      80-110-140
             19      90-125-160
                                                                         0
             20      80-110-140
             Recommended cutiing data
          Flow Rate vs. Pressure and Drill Diameter
                                              Flow Rate
           Drill Diameter (mm)  Pressure (bar)  (liter/min)    (1)  New drilling head
                  33              20             60            (2)  Worn-out drilling head
                  34              20             60
                  35              20             60                           Surface Finish Declines
                  36              20             60
                  37              20             60                            Ra
                  38              20             70
                  39              20             70
                  40              20             70




          Achievable Hole Tolerances

          5xD Drills                                            400 mm Modular Drills Alloy and
          Alloy and Carbon Steel and Cast Iron                  Carbon Steel and Cast Iron
             Hole Geometrical Feature  What Should You Expect      Hole Geometrical Feature  What Should You Expect
          Ø Diameter tolerance            +0.06 mm                Ø Diameter tolerance           +0.06 mm
          Circularity                       0.035                 Circularity                     0.035

          Hole axis straightness (/100mm)   0.03-0.10             Hole axis straightness (/100mm)   0.03-0.15

          Surface finish                  0.6-3.2Ra               Surface finish                 0.6-3.2Ra






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