543 Каталог ISCAR 2017 Токарный металлорежущий инструмент и инструментальная оснастка Стр.539

Каталог ISCAR 2017 Токарный инструмент и оснастка Стр. 539 0543 ENG Lab2u

USER GUIDE 539 Thread Helix Angle and Anvil Selection Helix Angle A Evaluation p (1)=4.5° p (1)=3.5° p (1)=2.5° p (1)=1.5° p (1)=0.5° O CL 10 20 30 40 Diameter-D (mm) i p - Effective inclination angle 50 60 75 Diameter tg A = P 3.14 D P D Pitch in mm Effective diameter A° = 20 P A - of thread in mm Angle of inclination D Anvil Selection According to Thread Helix Angle A Standard Thread Helix Angle A V 0 3°-4° 2°-3° 1°-2° 0 0 1 L ° Negative Anvils Inclination Angle p 4.5° 3.5° 2.5° 1.5° 0.5° -0.5° -1.5° 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 +A +P° -4H K t k 1.5° const. H1 (D 1 Anvils for positive inclination angle applicable when turning thread with holders or thread with toolholders. (1) H1 remains constant for every anvil combination. -A° r -P° tT H1<1) 1 1.5° const. Anvils for negative inclination used when turning RH thread with LH holder or LH thread with RH toolholder. THREADING