Общий каталог Yamawa 2021 - страница 91

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Spiral Fluted Taps Intro HVSP Z-PRO Series SP Spiral Fluted Taps for large forged parts in the heavy DIN metalworking industry FEATURES SL HSS-E OX 2.5PTHCHT Z-PRO Series with BLF design for blind hole application.Special geometry reduces cutting edge chippingresulting in stable and longer life on steel, alloy steel andstainless steel application. OX treatment reduces welding troubles. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) ISO Vc (m/min) P1 3÷8 H M1 3÷8 H P2 3÷8 H M2 3÷8 H ST P3 3÷8 H P4 3÷8 I P7 3÷8 H WATCH THE VIDEO H 1st choice I suitable ROLL Tapping with HVSP Tapping with conventional SP DIN-HVSP No chipping Chipping occurs on thread portion CARBIDE Workpiece material Tappingdirection Workpiece material Tappingdirection BLF Conventional geometry geometry LONG "Heel" Conventional Chamfer Forwarding Smooth chipejectionChamfer Forwarding Chip jammingon reverse motion HAND TAPS No chipping Chipping EG (STI) SPECIAL THREADS, GAUGES THREAD Smooth chip ejection by HVSP Entangled chips MILLS DIES CENTER DRILLS Technical info 92