Page 716 - ISCAR(TURNING-CATALOG-42-2022)
P. 716

USER GUIDE
      THREADING  Anvil Selection According to Thread Helix Angle λ   2º-3º  1º-2º  0º-1º     Negative Anvils






                                                           Standard
                                                     3º-4º
                                            >4º
                    Thread Helix Angle λ
                                                      3.5º
                                            4.5º
                                                                                            -0.5º
                                                                                                      -1.5º
                                                                                   0.5º
                                                               2.5º
                                                                         1.5º
                            Toolholder
                  l (d)
                   16    Inclination Angle β  AE16+4.5  AE16+3.5  AE16+2.5 Anvil Designation AE16+0.5  AE16-0.5  AE16-1.5
                                                                         AE16
                          EX RH OR IN LH
                  (3/8)   EX LH OR IN RH  AI16+4.5  AI16+3.5  AI16+2.5   AI16    AI16+0.5  AI16-0.5  AI16-1.5
                   22     EX RH OR IN LH  AE22+4.5  AE22+3.5  AE22+2.5   AE22    AE22+0.5  AE22-0.5  AE22-1.5
                  (1/2)   EX LH OR IN RH  AI22+4.5  AI22+3.5  AI22+2.5   AI22    AI22+0.5  AI22-0.5  AI22-1.5
                   27     EX RH OR IN LH  AE27+4.5  AE27+3.5  AE27+2.5   AE27    AE27+0.5  AE27-0.5  AE27-1.5
                  (5/8)   EX LH OR IN RH  AI27+4.5  AI27+3.5  AI27+2.5   AI27    AI27+0.5  AI27-0.5  AI27-1.5
                  22U     EX RH OR IN LH  AE22U+4.5  AE22U+3.5  AE22U+2.5  AE22U  AE22U+0.5  AE22U-0.5  AE22U-1.5
                 (1/2U)   EX LH OR IN RH  AI22U+4.5  AI22U+3.5  AI22U+2.5  AI22U  AI22U+0.5  AI22U-0.5  AI22U-1.5
                  27U     EX RH OR IN LH  AE27U+4.5  AE27U+3.5  AE27U+2.5  AE27U  AE27U+0.5  AE27U-0.5  AE27U-1.5
                 (5/8U)   EX LH OR IN RH  AI27U+4.5  AI27U+3.5  AI27U+2.5  AI27U  AI27U+0.5  AI27U-0.5  AI27U-1.5
                              +λ°                                              −λ°           −β°
                                            +β°
                                                                              1.5°
                            1.5°                                             const.
                            const.
                Anvils for positive inclination angle applicable when turning   Anvils for negative inclination used when turning RH
                RH thread with RH holders or LH thread with LH toolholders.  thread with LH holder or LH thread with RH toolholder.

























































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