Общий каталог Yamawa 2022 - 2023 - страница 268

② Spiral Fluted Tap Series for through 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 SU+SL Spiral Fluted Taps (for blind hole) ① JIS Spiral Fluted Taps for Stainless Steels, Through Hole Use（with LH Spiral Flutes） Spiral Fluted Taps (for through hole) ② Specification <2D 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 10 15 10 15 10 15 10 15 5 15 〜 〜 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ Product Features ●Suitable for stainless steels tending to work-harden and sticky, as well as chrome steels and molybdenum steels, through hole use. ●Recommended speed : 5 〜 15m/min ●In tapping SUS304, SU+SL has more than 3 times longer tool life than SU-PO. Even in 2000 tapping holes, the surface of thread Cemented Carbide Taps ⑤ finish is good and the shape of threads is clearly stable. ●Adopting left hand spiral flutes, compared with SU-PO, SU+SL improves the chip ejection and realizes longer tool life. Tapping Data Comparison of Internal Threads Tapping condition [M5×0.8] SU+SL 2,000 Holes SU-PO 700 Holes Roll Taps Work Material SUS304(90HRB) ⑥ Tapping Speed 15m/min Hole Size φ4.2 Tapping Length 12mm, through hole Machine Vertical machining center Tapping Fluid Non-water soluble cutting oil without chlorine Special Thread Taps Simple Inspection Tools ⑦ Roughness of Thread Flank Face Ra=1.1μm Roughness of Thread Flank Face Ra=2.0μm ■ ■ ■ ■ め め め め ね ね ね ね じ じ じ じ 形 形 形 形 状 状 状 状 Pipe Taps Shape of Internal Thread Shape of Internal Thread Speed chart ⑧ Slow Tapping Speed Fast 5m/min 10m/min 15m/min 20m/min 30m/min Work Piece Work Piece Fully synchronous feed area Material Material Thread Mills Premium Thread Mills ⑨ Hard-to-machine Hard-to-machine Stainless Steel ZEN-P Stainless Steel SUS316 etc. SUS316 etc. Stainless steel Stainless steel SUS304 SUS304 Dies ⑩ SU+PO SU+SL SUS303 SU - PO SUS303 Center Drills Centering Tools ⑪ 5m/min 10m/min 15m/min 20m/min 30m/min Tapping range by material being cut. JIS ②-15