Каталог Iscar токарный инструмент 2017 - страница 543

USER GUIDE Thread Helix Angle and Anvil Selection Helix Angle λ Evaluation β (1) =4.5˚ λ Pitch β (1) =3.5˚ P TPI mm 4˚ 3˚ 2˚ β (1) =2.5˚ 5 5.0 β (1) =1.5˚ D β (1) =0.5˚ THREADING 1˚ 6 4.0 β 8 3.0 Pitch mm 10 2.5 12 2.0 16 1.5 24 1.0 48 0.5 Pitch-TPI P 0 0 tg λ = P - Pitch in mm 10 20 30 40 50 60 75 Diameter 3.14 · D D - Effective diameter Diameter-D (mm) of thread in mm (1) β - Effective inclination angle 20 · P λ - Angle of inclination λº ≈ D Anvil Selection According to Thread Helix Angle λ Standard Thread Helix Angle λ >4º 3º-4º 2º-3º 1º-2º 0º-1º Negative Anvils Inclination Angle β 4.5º 3.5º 2.5º 1.5º 0.5º -0.5º -1.5º l (d) Toolholder Anvil Designation 16 EX RH OR IN LH AE16+4.5 AE16+3.5 AE16+2.5 AE16 AE16+0.5 AE16-0.5 AE16-1.5 (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° +β° −λ° −β° 1.5° 1.5° const. const. Anvils for positive inclination angle Anvils for negative inclination used applicable when turning RH thread with when turning RH thread with LH holder RH holders or LH thread with LH toolholders. or LH thread with RH toolholder. 539 539