Page 40 - THREADING CATALOG
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USER GUIDE
      THREAD TURNING                                               Basic Dimensions of Square Shank Tools


            Square Shank Tools Suitable for External Threading



                                                                                G-Type
                                                                   WF
                                                                                          B
                                                                               LF





                                                                         U-Type   HF  10°                 H

                                                                                 WF                       B
                 Threading square shank tools are designed according                           LF
                 to the ISO standard. These are simple tools suitable
                 for all types of lathe machines and do not have coolant   HF  —  functional height
                 channels. The coolant should be supplied from the turret.  H  — shank height
                                                                   B    — shank width
                                                                   WF   — functional width
                                                                   LF   — functional length

                                                                   Main Advantage
                                                                   Suitable for all types of lathe machines.



            Tools with High Pressure Coolant Systems Suitable for External Threading

















                                                                             central coolant direction
                 Threading tools with high pressure coolant systems (high   4°  8° (rotation adjustment)
                 pressure coolant is described in chapter 2.13) consist of a
                 square shank according to the ISO standard and a unique   The use of high pressure coolant is growing as
                 cooling system (JHP) designed and patented by ISCAR.   manufacturers are looking for ways to reduce
                 The JHP system is composed of a static housing   cutting time, improve machining process
                 and telescopic tube to direct the coolant exactly to   reliability and achieve longer tool life.
                 the cutting edge of the insert. The telescopic tube   ISCAR’s JHP tools provide all these advantages. Shorter
                 is embedded in the housing skews - right and left   chips are easily managed and do not tangle around the
                 according to the working direction of the tool (see   work piece or machine parts, and therefore, there is no
                 drawing below). The advantage of this system is that   need to stop the process frequently. With conventional
                 there is no need to detach the housing of the tool   cooling, the chips usually prevent the coolant from
                 when changing an insert. This reduces setup time.  reaching the insert rake face in the cutting zone. The
                                                                  coolant stream of the JHP tools is directed precisely
                                                                  between the insert rake face and the flowing chips. This
                                                                  results in longer tool life and a much more reliable process.
                                                                  Changing or mounting inserts is done by pressing the
                                                                  telescopic tube in a backward direction.
                                                                  After indexing the insert cutting edge, starting the coolant
                                                                  will extract the tube automatically to its operating position.


            ISCAR
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