Kyocera - Основной каталог 2010-2011 ENG

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Troubleshooting (DRX type)

Trouble condition                    Condition                                                                     Cause                    Countermeasures

                               A (Entrance side)  There is no problem                                              Chip jam                 Change the cutting
                                                  for entrance, however                                            (External or Internal    conditions
Hole diameter becomes                             gradually hole                                                   edge chip stuck)
           smaller                                diameter is getting                                                                         Increase the cutting
                                                  smaller at the bottom.                                                                      speed
     (at hole bottom)                                                                                                                         Lower the feed rate

                               B (Bottom side)          A>B                                                                                 See page K32
                                                                                                                                            for “Recommended
                                                                                                                                            Cutting Conditions”

                                                  There is no problem                                              Internal edge chip jam.  Change the cutting
                                                  for entrance, however                                                                     conditions
Hole diameter becomes          A (Entrance side)  gradually hole
            larger             B’ (Bottom side)   diameter is getting                                                                         Increase the cutting
                                                  larger at the bottom.                                                                       speed
     (at hole bottom)                                                                                                                         Lower the feed rate
                                                              A