ApplicationInnerOuterPeripheral DC Class VP15TF VP20RT VP30RT DC W1W1 BSBS W1W1 DC INDEXABLE MILLING INSERTS Work P Steel Cutting Conditions (Guide) : Material K Cast Iron : Stable Cutting : General Cutting : Unstable Cutting Coated Dimensions (inch) Shape Order Number Geometry RE L W1 S BS *2 SRG40C G s s s .787 1.417 .807 .315 ─ *2 SRG50C G s s s .984 1.575 1.024 .335 ─ RE L S *2 SRG40E G s s s .787 1.260 .654 .315 ─ *2 SRG50E G s s s .984 1.409 .787 .335 ─ RE L S *1 APMT1604PDER-M2 M a .031 .650 .375 .187 .055 L RE AN 11° 85° .551 S Strong Cutting APMT1604PDER-H2 M a .031 .650 .375 .187 .055 L RE Edge Type AN 11° 85° .551 S (Low-resistance inner or outer inserts are precision M class type.) *1 Selection guide for peripheral cutting edges : The first recommendation is When cutting edge strength the super sharp M breaker (APMT....PDER-M2). is particularly important, use the H breaker (APMT....PDER-H2). RECOMMENDED CUTTING CONDITIONS A : Slot Milling B : Shoulder Milling (Standard Type) C : Shoulder Milling (Long Cutting Edge Type) Cutting Mode DC DC DC Work Material Hardness Grade Cutting Speed(SFM) Feed per Tooth Cutting(IPR)Mode P Alloy Tool Steel .008 (.004 ─ .012) A< 250HBVP20RTVP30RT655 (525 ─820).008 (.004 ─ .016)BL .012 (.004 ─ .016) C .008 (.004 ─ .012) A Cast Tool Steel < 230HB VP15TFVP20RT 655 (525 ─985) .012 (.004 ─ .018) B .008 (.004 ─ .016) C K Ductile Cast Iron .010 (.004 ─ .016) ATensile Strength< 540MPaVP15TFVP20RT655 (525 ─985).010 (.004 ─ .018)B.014 (.004 ─ .018)C .010 (.004 ─ .016) A Gray Cast Iron Tensile Strength< 350MPa VP15TFVP20RT 655 (525 ─985) .014 (.004 ─ .018) B.010 (.004 ─ .016)C SPARE PARTS N001 TECHNICAL DATA P001 L287