Общий каталог Yamawa 2022 - 2023 - страница 572

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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 ⑤ Cemented Carbide Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk JIS ① ACHSP Spiral Fluted Tap for Aluminum Casting ② Specification Coating <2D ③ Recommended Tapping Speeds depending on Materials Aluminum alloy castings アルミ合金鋳物 30〜50 ④ (m/min) Features ● Direct tapping of cored holes without drilling first, results in reducing the manufacturing time. ● Made from an ultrafine grain carbide alloy combining the hardness and toughness. ● The shank diameter is the same as the major diameter of the tap which improves rigidity and makes the ACHSP more ⑤ resistant to deflection and the cutting side pressure caused from misalignment. (Maximum displacement of core hole: M6 · M8 within 0.3 mm, M 10 within 0.5 mm) ● A thin film coating offers improvements in wear resistance and a reduction of cutting edge chipping. Tapping Data ⑥ Tapping Conditions [M8×1.25]Workpiece MaterialADC12 Condition of Internal Threads Chip Shape Tapping Spoeed 50m/min Number of Holes Tapped 50 hole Bore Diameter φ5.8 ⑦ Bored Taper Angle 2°HoleShapeDepth22mm Condition Blind hole Tapping Length 17mm Misalignment Amount X direction + 0.5 mm Feed Type Synchronous feed ⑧ Machine Type M / C machine (horizontal type) Tapping Fluid Water soluble cutting fluid Reduction of machining time ⑨ Correcting misaligned cast pilot holes is unnecessary shortening the tapping process time! Conventional machining process ACHSP Eliminates drilling ①Cast Hole Processing ②Chamfering ③ Bored Hole Drilling ④ Tapping ①Cast Hole Processing ②Chamfering ③Bored Hole Drilling ④ACHSP Tapping ⑩ ⑪ ■Recommendation Internal coolant supply is recommended to prevent the tapped holes from being blocked by the ejected chips. JIS ⑤-39