Общий каталог Yamawa 2021 - страница 389

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Forming Taps Intro SC-TL-RZ MP Multi Purpose Series SP Torqueless Thread Forming Taps with short chamfer, Coated FEATURES SL HSS-P COATING 1PTHCHT Multi purpose forming taps for blind and through holeapplication on a wide range of materials.Specific "torqueless" design to minimize the tappingtorque. 1P extra short chamfer length. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min) P1 15÷30 H M1 10÷25 H N1 10÷45 I P2 15÷30 H M2 10÷25 H N2 10÷45 I ST P3 15÷25 H P4 15÷25 H P7 10÷25 H H 1st choice I suitable ROLL JIS JIS-SC-TL-RZ Product Features - SC-TL-RZ results in longer tool life while producing high quality internal threads with little burrs. CARBIDE - Suitable for tapping hard-to-machine materials of lower ductility. - Longer tool life under water soluble oil. - Wider tapping application range up to higher speed tapping. LONG Applicable materials: - Stainless steel: AISI303, 304, 316 - Alloy steel: 42CrMo4 HANDTAPS - Carbon steel: C45-C50- Aluminum alloy casting and die casting Process Data M3×0.5 EG (STI) Work-material 40CrMo4 - 1.7225 (32HRC) SC-TL-RZ Competitor After 7,000 holes After 2,800 holes Tapping depth 4.5 mm SPECIAL Tapping speed 20 m/min THREADS, Bored hole ø2.8 GAUGES Machine Tapping center Lubricant Water soluble oil (×10) SC-TL-RZ after 7,000 holes shows less wear and damage THREAD （Ｎ・㎝）MILLS 123 than competitor. 100 100 55 DIES 50 44 0 SC-TL-RZ Competitor CENTER DRILLS Torque     Thrust Technical info 390