Kyocera - Основной каталог 2010-2011 ENG

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          Troubleshooting

             Troubleshooting           Condition                                    Cause                  Countermeasures
          Trouble condition
                                       A (Entrance side)  There is no problem       Chip jam               Change the cutting
          Hole diameter becomes                           for entrance, however     (External or Internal  conditions
                     smaller                              gradually hole            edge chip stuck)       • Increase the cutting
                                                          diameter is getting
               (at hole bottom)                           smaller at the bottom.                             speed
                                                                                                           • Lower the feed rate
                                       B (Bottom side)    A>B                                               See page K38 or K49
                                                                                                            for “Recommended
                                                                                                            Cutting Conditions”.

                                       A (Entrance side)  There is no problem       Internal edge chip     Change the cutting conditions
                                                          for entrance, however     jam.                   • Increase the cutting speed
                                                          gradually hole                                   • Lower the feed rate
          Hole diameter becomes                           diameter is getting                              See page K38 or K49
                      larger                              larger at the bottom.                            for “Recommended Cutting
                                                                                                           Conditions”.
                (at hole bottom)       B' (Bottom side)   A