Page 358 - Yamawa_European_Catalogue_YEU21
P. 358

Forming Taps



              MHRZ
    Intro


                 Z-PRO Series
    SP        Roll Taps for Carbon Steel of Medium Hardness, Coated


                                                                       FEATURES
                                                                         Z-PRO Series forming tap with special design for low
                                                4P      2P             tapping torque.
    SL       HSS-Co  COATING
                                               THCHT   THCHT             HSSCo and suitable coating for long life on Medium Hard
                                                                       steel (<35HRC) application.
                                                                         2P chamfer for blind hole application, 4P chamfer for
                                                                       through hole application.
            Recommended Tapping Speeds Depending On Materials
    PO
             ISO Vc (m/min)    ISO   Vc (m/min)
                 P2    10÷30     H       N1   10÷30    I
                 P3    10÷30     H     N2   10÷30    I
    ST           P4    10÷30     H
            H 1st choice  I suitable
                                                                        WATCH
                                                                       THE VIDEO
    ROLL

    DIN                                                                                                 DIN-MHRZ
            Product Features
    CARBIDE           Cutting speed
              ISO  Workpiece      5m/min  10m/min  15m/min  20m/min  25m/min  30m/min  50m/min
                 material
                       -35HRC        Full sinchro-rigid area
              Thermal refined
                steel
                       -25HRC                              MHRZ
    LONG           Alloy
              P3       25crMo4
                   steel
             P2-P3      C45
                  High and
                  medium   C45
    HAND      P2  carbon steels  C30   N+RZ
    TAPS
                                       N-RZ                       HP+RZ
                  Low carbon  C25
                   and                                            HP-RZ
              P1
                  structural  ST44-2
                   steels                              OL+RZ
    EG (STI)
            M12×1.25
             Workpiece material  42CrMo4 - 1.7225(35HRC)  MHRZ           Competitor
    SPECIAL
    THREADS,  Cutting speed  20 m/min
    GAUGES   Bored hole      ø11.3 mm
             Thread length   18 mm (through hole)
             Machine         Machining center (synchro)
    THREAD   Lubricant       Water soluble oil
    MILLS    No. of threads  800 threads (still running)



    DIES                                                          MHRZ fi nishing
              Competitor tap     High wear                                    Competitor
                                                                   MHRZ       products
                                                   Light weart wear
                 MHRZ                              Ligh
    CENTER                                             (threads)
    DRILLS



    Technical
    info



       356
   353   354   355   356   357   358   359   360   361   362   363