Page 722 - ISCAR(TURNING-CATALOG-42-2022)
P. 722

USER GUIDE
      THREADING         Production of right-hand threading    Thread turning method  Production of left-had threading















                         LH  with left-hand holder*                           with right-hand holder*

                                                           or                                          RH
                                                     LH

                                                                             RH



            * Change anvil to negative                         * Change anvil to negative
                                                      Anvil selection

                                                                  Negative Anvils
                    Threading helix (lead) angle φ (φL)  0º<φ (φL)≤1º       1º<φ (φL)≤2º       φ (φL)≥2º
                          Inclination Angle β               -0.5º              -1.5º

                     lC               Toolholder                         Anvil Designation
                     16             EX RH OR IN LH        AE 16-0.5          AE 16-1.5        special solution
                    (3/8)           EX RH OR IN LH         AI 16-0.5          AI 16-1.5
                     22             EX RH OR IN LH        AE 22-0.5          AE 22-1.5
                    (1/2)           EX RH OR IN LH         AI 22-0.5          AI 22-1.5
                     27             EX RH OR IN LH        AE 27-0.5          AE 27-1.5
                    (5/8)           EX RH OR IN LH         AI 27-0.5          AI 27-1.5

                     22U            EX RH OR IN LH        AE 22U-0.5         AE22U-1.5
                    (1/2U)          EX RH OR IN LH        AI 22U-0.5         AI 22U-1.5

                     27U            EX RH OR IN LH        AE 27U-0.5         AE 27U-1.5
                    (5/8U)          EX RH OR IN LH        AI 27U-0.5         AI 27U-1.5


            •  EX - Anvil for external threading
            •  IN - Anvil for internal threading




                                                      Negative Anvils

                                             Feed Towards the Tailstock


                                                      -φ (φ L)
                                                                             −β°





                                                    1.5°
                                                   const.







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