Общий каталог Yamawa 2021 - страница 597

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Thread Mills Intro PRML TI SP Premium Thread Mills FEATURES SL HF COATINGCARBIDE Ultra-fine micrograin carbideSpecific design and special coating for Titanium basealloys and stainless steel . Low cutting resistance and reduced side forces, allow to produce internal threads with high accuracy and straightness. PO RECOMMENDED APPLICATIONS ISO ISO ISO P7 H M1 H S5 H M2 H ST M3 H H 1st choice I suitable ROLL YMW-PRML TI Product Features CARBIDE Work-materials Vc (m/min) Feed per flute fz(mm/t)The PRML TI is a left hand cutter, please use a counterclockwisespindle rotation. Process the thread from top to bottom like 2 to 3. For programming, please visit our website. Titanium alloys 40÷60 0.02÷0.06 Austenitic stainless steel 60÷80 0.06÷0.08 LONG Martensitic stainless steel 40÷60 0.02÷0.06 Speed: HAND RPM = 1000 X Vc / 3.14 / PRML TI diameter (Dc)F (mm/min) = fz X Number of flutes X RPM X (internal nominal diameter - PRML TAPS TI diameter (Dc)) / Thread nominal diameter. EG (STI) Process Data Process conditions: 6.0 P1.0 (Code: MH6.0MNIWLM) SPECIALTHREADS,GAUGESWork-materialCutting SpeedFeed per flute fzTiAl6V450 m/min0.04 mm/t Thread surface Threating length 10 mm Hole diameter ø7.0 THREAD Number of passes 1 MILLS MachineLubricant Machining Center (BT30)Water soluble oil (x20)Excellent thread surface YMW even after several holes threaded DIES CENTER DRILLS Technical info 598