Kyocera - Основной каталог 2010-2011 ENG

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Outlines of Threading Inserts

   KTKF J18
“Threading” is added to Small Tools special tool series.

                                                                For Threading

Threading

                              Applicable for various type of threading

                                                                   Metric (M)            Parallel Pipe [G (PF)]

                                                                                                      Tapered Pipe                                               Inserts are compatible
                                                                                                     [R (PT) (BSPT)]
                                                                Unified (UN)

                                                                                                                                         Small Diameter Cut-Off           Back Turning   Threading
                                                                                                                                                   TKF                        TKFB         TKFT

           Threading Insert Features

Full Prole and Partial Prole

                                                                   Shape                 Function                                          Features

Partial Profile Full Profile                                                                                          Burr-free thread surface; high quality                                        J
                                                                                                                        Smooth feeling
                                                                                         Wiper Edge
                                                                                                                      Additional stock must be left on the part diameter
                                                                                                                      for full topping                                                              Threading
                                                                                                                      Every pitch size requires a specific insert

                                                                                                                      Thread's corner tends to be sharp edged
                                                                                                                      Thread's O.D. or I.D. needs to be finished to
                                                                                                                      the size before threading
                                                                                                                      One insert can machine various pitch sizes

Thread Precision

                                                          Type of Thread                  Strict                      Thread Precision           Loose
                                                                                          4h (1st Class)                                 8g (3rd Class)
                                                             M                 External  5H (1st Class)                  6g (2nd Class)  7H (3rd Class)
                                                          Unified              Internal                                  6H (2nd Class)
                                                                               External         3A                                             1A
                                                                               Internal         3B                              2A              1B
                                                                                                                                2B

* Applicable precision with Full Profile Insert

* Not recommended if strict thread precision is required.

    With and Without Chipbreaker

                                                                   Shape                 Condition                    Cutting Force      Chip Length

Without    With Chipbreaker With Chipbreaker Chipbreaker                       When less cutting force                Small
                                                                               is needed for small or thin
                                                                               part machining

                                                          -TS

1-Thread,                                                                      When Better Chip Control               Smaller
                                                                               is needed

                                                          -M02

2-Thread,                                                                      Fewer passes and less                          Large
                                                                               machining time                         (2 Edges engage
                                                                               For rigid workpiece
                                                                               Wider dead space                          in threading)

                                                                                                            kyocera@kyocera-tools.ru                                                                J5
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