Page 181 - Nikko Tools - Update 2019
P. 181

THREADING Indexable inserts



                                                                           HC-PVD
                                                    CARBIDE
                         TPM                     Internal threading      ISO513  JP5125


                                                                            80
                                             Size  IC   S    D1        P    180                                                 TURNING
                                                                            60
                                             11   6.35  3.18  3.20     M    140
                                                                            50
                                             16   9.525  3.65  4.00    K    120
                                                                       N

                                                                       S    20
                                                                            40
                               3 edges                                 H
                         GRADE APPLICATION AREA  Stable machining, continuous cut  d
                                                                            d
                        d main application  General machining, light interruption  |    Hardness    +  +   Toughness   |  d     THREADING
                                                                            d
                                                                            d
                        d applicable        Unstable machining, interrupted cut  d
                                                                pitch: 28 TPI   h
                                                28BSPT-TPM
                        BSPT  P  M  K  S
                                                         RE 0.11
                                           16IR
                       FULL PROFILE             19BSPT-TPM  RE 0.17  no. of passes 9÷12  h
                                                               no. of passes 5÷8
                                                                pitch: 19 TPI
                                                               no. of passes 6÷9
                                                                pitch: 14 TPI
                                                         RE 0.24
                                                                            h
                                                14BSPT-TPM

                                                                pitch: 11 TPI
                                                11BSPT-TPM
                                                         RE 0.30
                        BRITISH STANDARD PIPE TAPERED 55°
                                                              no. of passes 12÷15  h
                                                              pitch: 0.50÷1.50 mm,
                        60°  P  M  K  S    11IR  A60-TPM  RE 0.08           h
                                                                 48÷16 TPI                                                      GROOVING
                                                              pitch: 0.50÷1.50 mm,
                                           16IR  A60-TPM  RE 0.08           h
                                                                 48÷16 TPI  h
                       PARTIAL PROFILE  METRIC AND UNIFIED THREADS     11IR  AG60-TPM  RE 0.08  pitch: 0.50÷3.00 mm,   h
                                                              pitch: 1.75÷3.00 mm,
                                                         RE 0.13
                                                G60-TPM
                                                                 14÷8 TPI
                                                                 48÷8 TPI
                        55°  P  M  K  S
                                                               pitch: 48÷16 TPI
                                                                            h
                                                A55-TPM
                                                         RE 0.08
                                           16IR
                                                A55-TPM
                                                                            h
                                                               pitch: 14÷8 TPI
                                                         RE 0.21
                                                G55-TPM  RE 0.08  pitch: 48÷16 TPI  h

                                                                                                                                MILLING
                        WHITWORTH AND GAS THREADS  AG55-TPM  RE 0.08  pitch: 48÷8 TPI  h
                     h stock standard
                                                                                                                                DRILLING




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              06-THREADING.indd   179
              06-THREADING.indd   179                                                                                  16/04/2019   16:01:14
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