Общий каталог Yamawa 2022 - 2023 - страница 378

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Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools JIS ③ Spiral Pointed Tap Series for through hole Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk JIS ① EH-PO Spiral Pointed Taps for Hard-to-Machine Materials ② Specification ③ Recommended Tapping Speeds depending on Materials High carbon steels Thermal refined steels Thermal refined steels 高炭素鋼 調質鋼 調質鋼 5〜10 5〜10 〜5 ④ (m/min) (m/min) (m/min)25〜35HRC35〜45HRC Product Features ●The EH-PO taps are suitable for high hardness materials from 30 to 45 HRC in high carbon steel, alloy steel forging, tempering material and mold materials. ●T ool life is greatly improved using a cutting edge shape suitable for difficult to machine materials. The tap exhibits excellent wear resistance. ⑤ ●For through hole applications. Tapping Data Processing conditions [Ｍ10×１.25　P4] ⑥ Workpiece Material S55C/A hubBored Hole Sizeφ8.8 EH-PO Tapping Length 11mm（Through hole） Can continue Tapping Speed 10m/min Machinery Type Vertical machining center (asynchronous) Competitors PO Wear Holder With tension ⑦ Tapping Fluid Water soluble cutting fluid 0 100 200 300 400 500（Number of holes processed.） Recommendation chart ⑧ Slow Tapping Speed Fast Work piece 1m/min 3m/min 5m/min 10m/min 15m/min Work piece Material Material 60HRC 60HRC ⑨ High 55HRCHardnessMaterial55HRCUH-CT ※UH-CT、EH-CT Use amachine with 55HRC Highsynchronous lead feed.55HRCHardnessMaterial EH-CT 45HRC 45HRC Tempered 45HRC 45HRC Tempered Material 25HRC EH-HT Material25HRC ⑩ Tool SteelAlloySteelSKS・SKDSCM・SCｒ EH-PO SKS・SKD SCM・SCｒ Tool Steel Alloy Steel High HC+SP High Carbon HC -SP Carbon Steel S45C HC+PO S45C Steel Medium S45C HC -PO S45C Medium ⑪ CarbonSteel S30C CarbonS30CSteel 1m/min 3m/min 5m/min 10m/min 15m/min Processing range chart. JIS ③-81