Общий каталог Yamawa 2022 - 2023 - страница 284

② Spiral Fluted Tap Series for through hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk JIS HDISL Spiral Fluted Taps (for blind hole) ① JIS Spiral Fluted Taps for Steels, for Dry Tapping and for Ultra High Speed Tapping, Through Hole Use (with LH Spiral Fluted) Spiral Fluted Taps (for through hole) ② Specification <2D Coating Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Medium carbon steels High carbon steels Alloy steels 中炭素鋼 高炭素鋼 合金鋼 20 50 20 50 20 50 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ Product Features ●Ultra high-speed machining with mist or dry tapping machining are possible with a side coolant hole shape. ●The left hand spiral flute shape makes it the perfect tapping for Cemented Carbide Taps ⑤ vertical or horizontal machining in carbon steel and alloy steel in through hole applications. Tapping Data Tapping Conditions [M12×1.25] Workpiece Material S55C tempered steel Roll Taps HDISL ⑥ Hole Shape Through holes Bored Hole Size φ10.75 Can Continue Tapping Length 18mm Conventional Product Tapping Speed 50m/min Machinery Type M/C machine (horizontal type) 0 500 1000 1500 2000 Special Thread Taps Simple Inspection Tools Cutting Fluid Water soluble cutting fluid （Number of holes processed） ⑦ Number of Holes Processed 1,600 holes Speed recommendation table Pipe Taps ⑧ Slow Tapping Speed Fast Work piece 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min Work piece Material Fully synchronous feed area Material Alloy SCM SCM Alloy Steel SCr Steel Thread Mills Premium Thread Mills SCr ⑨ High High Carbon Carbon Steel S45C S45C Steel F-SL Medium S45C Carbon HDISL S45C Medium Carbon PO +PO Dies Steel S30C S30C Steel ⑩ Low S25C S25C Low Carbon Carbon Steel SS400 SS400 Steel 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min Center Drills Centering Tools The above diagram is for the different materials shown. ⑪ JIS ②-31