Каталог Iscar державки и пластины для нарезания резьбы 2022 - страница 88

THREADING USER GUIDE Anvil selection for SAGE threading standard only The table below defines the recommended insert inclination angle (β) and anvil selection according to helix angle (φ) for single-start threading and according to lead angle (φL) for multi-start threading, depending on the thread turning method for machining asymmetric threading profile according to SAGE thread standard only. thread turning method Production of right-hand threading Production of left-hand threading with right-hand holder with left-hand holder LH RH or LH RH Anvil selection Positive Anvils Negative Anvils Threading helix (lead) φ (φL)>5.6° 5°<φ (φL)≤5.6° 3°<φ (φL)≤5° 2°<φ (φL)≤3° 1°<φ (φL)≤2° 0°<φ (φL)≤1° angle φ (φL) Inclination angle β 2.5° 1.5°(std) 0.5° -0.5° -1.5° lC Toolholder Anvil designation 16 EX RH OR IN LH AE 16 +2.5 * AE 16 +1.5 AE 16 +0.5 AE 16 -0.5 AE 16 -1.5 (3/8) EX RH OR IN LH AI 16 +2.5 * AI 16 +1.5 AI16 +0.5 AI 16 -0.5 AI 16 -1.5 22 EX RH OR IN LH AE 22 +2.5 * AE 22 +1.5 AE 22 +0.5 AE 22 -0.5 AE 22 -1.5 (1/2) EX RH OR IN LH AI 22 +2.5 * AI 22 +1.5 AI 22 +0.5 AI 22 -0.5 AI 22 -1.5 27(5/8) EX RH OR IN LHEX RH OR IN LH special solution AE 27 +2.5AI 27 +2.5 * AE 27 +1.5* AI 27 +1.5AE 27 +0.5AI 27 +0.5AE 27 -0.5AI 27 -0.5AE 27 -1.5AI 27 -1.5 22U EX RH OR IN LH AE 22U +2.5 * AE 22U +1.5 AE 22U +0.5 AE 22U -0.5 AE 22U -1.5 (1/2U) EX RH OR IN LH AI 22U +2.5 * AI 22U +1.5 AI 22U +0.5 AI 22U -0.5 AI 22U -1.5 27U EX RH OR IN LH AE 27U +2.5 * AE 27U +1.5 AE 27U +0.5 AE 27U -0.5 AE 27U -1.5 (5/8U) EX RH OR IN LH AI 27U +2.5 * AI 27U +1.5 AI 27U +0.5 AI 27U -0.5 AI 27U -1.5 * Standard anvil supplied with tool • EX - Anvil for external threading • IN - Anvil for internal threading Positive Anvils Negative Anvils Feed Towards the Chuck Feed Towards the Tailstock +φ (φL) +β -φ (φL) −β° 1.5° 1.5° const. const. 722 ISCAR