Общий каталог Yamawa 2021 - страница 389

Forming Taps Intro SC-TL-RZ MP Multi Purpose Series SP Torqueless Thread Forming Taps with short chamfer, Coated FEATURES Multi purpose forming taps for blind and through hole 1P application on a wide range of materials. SL HSS-P COATING THCHT Specific "torqueless" design to minimize the tapping torque. 1P extra short chamfer length. Recommended Tapping Speeds Depending On Materials PO 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 P3 15÷25 H ST P4 15÷25 H P7 10÷25 H H 1st choice I suitable ROLL JIS-SC-TL-RZ JIS 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 - Carbon steel: C45-C50 HAND - Aluminum alloy casting and die casting TAPS 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 Tapping speed 20 m/min SPECIAL ø2.8 THREADS, Bored hole GAUGES Machine Tapping center Lubricant Water soluble oil (×10) SC-TL-RZ after 7,000 holes shows less wear and damage than competitor. THREAD （Ｎ・㎝） 123 MILLS 100 100 55 44 DIES 50 0 SC-TL-RZ Competitor CENTER Torque Thrust DRILLS Technical info 390