Общий каталог Yamawa 2022 - 2023 - страница 58

① Spiral Fluted Tap Series for blind hole Overall length L Thread length ℓ Thread + Neck length ℓn Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk JIS HVSP Spiral Fluted Taps (for blind hole) ① JIS Z-PRO Spiral fluted Taps for Forged Parts in the Heavy Metalworking Industry. Spiral Fluted Taps (for through hole) ② Specification Spiral Pointed Taps (for through hole) Oxide ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 ステンレス鋼 〜 5 〜 5 〜 5 〜 5 〜 5 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ Product Features ●YAMAWA has designed a flute shape and cutting edge angle to improve the chip ejection properties. ●A heel grind on the rear threads has improved the performance of the tap and eliminated the materials chip Cemented Carbide Taps residue in the threads that is caused on reversal by the tap's end threads. ⑤ ●With no chips left in the threads, the tapping operation is less likely to chip the flutes or threads of the tap during the tap's reversal. ●There are several full threads after the cutting chamfer and a special heel grind to the balance of the threads to reduce their full thread height, thereby reducing any chance of chipping the flutes. Roll Taps ⑥ Tapping Data ・Improvement of chipped flutes ◎Full Thread Part ◎Chamfer Part Tapping conditions [M36 × 4] Work Piece Material SS400 Conventional Product Conventional Product Special Thread Taps Simple Inspection Tools Chipping Chipping Tapping Speed 3m/min ⑦ Tapping Length 50mm Machinery Type Radial drilling machine HVSP HVSP 250 Holes 250 Holes Tapping Fluid Non-water soluble cutting oil Ongoing Processing Ongoing Processing No Chipping No Chipping Pipe Taps ⑧ ・Compatible with a wide range of workpiece machining. Tapping conditions Excellent Surface Finish Material Recommended Tapping Speed (m/mim) Stainless Steel SUS303/SUS304/SUS316 3〜8 Alloy Steel SCM/SCr 3〜8 Thread Mills Premium Thread Mills ⑨ High Carbon Steel S45C 〜 3〜8 Medium Carbon Steel S25C 〜 S45C 3〜8 Low Carbon Steel 〜 S20C/SS400 3〜8 Dies ⑩ Center Drills Centering Tools ⑪ JIS ①-23