Общий каталог Yamawa 2022 - 2023 - страница 738

⑧ Pipe Tap Series Overall length L Thread length ℓ Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk JIS AUSP G Spiral Fluted Taps (for blind hole) ① JIS Z-PRO Coated Spiral Fluted Taps for Parallel Pipe Threads Spiral Fluted Taps (for through hole) ② Specification Coating Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels Aluminum alloy castings Zinc alloy castings 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 ステンレス鋼 アルミ合金鋳物 亜鉛合金鋳物 5 15〜 5 15 〜 5 15 〜 5 15 〜 〜 3 5 15 〜 5 15 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ Product Features ●New shape is adopted. Proper tool projection length is secured, achieving a good chip ejection efficiency. ●Good internal thread surface and long tool life are achieved by the adoption of the unique cutting edge shape and special coating. Cemented Carbide Taps ⑤ Tapping Data Tapping conditions [AUSP G 1/4-19] Chips Do Not Interfere with the Holder. Good Internal Thread Workpiece Materials SUS304 Tapping Speed 5m/min Machine Machining center Roll Taps ⑥ Holder Fixed Tapping Fluid Water soluble cutting fluid ・Compatible with tapping of a wide range of work materials AUSP G Standard tapping conditions Special Thread Taps Simple Inspection Tools ⑦ Workpiece Materials Standard Tapping Speed（m/min） Stainless Steels SUS304 〜3 Alloy Steels SCM/SCr 5 〜 15 High Carbon Steels S45C 〜 5 〜 15 Medium Carbon Steels S25C 〜 S45C 5 〜 15 Pipe Taps Low Carbon Steels 〜 S20C/SS400 5 〜 15 ⑧ Aluminum Alloy Casting/ AC/ADC/ZDC 5 〜 15 Zinc Alloy Casting ・Tap class and internal thread class Thread Mills Premium Thread Mills ⑨ class P3.5 Basic Pitch Dia. Nominal size Basic Major Dia. Dies ⑩ G 1/8-28 9.147 P3 107 G 1/4-19 12.301 P3.5 125 G 3/8-19 15.806 P3.5 125 Center Drills Centering Tools G 1/2-14 19.793 P4 142 ⑪ G 3/4-14 25.279 P4 142 G 1-11 31.770 P5 180 Pitch diameter tolerance zone of JIS (ISO) internal thread (JIS B 0202) JIS ⑧-11