Общий каталог Yamawa 2022 - 2023 - страница 512

④ Hand Tap Series 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 MG-HT Spiral Fluted Taps (for blind hole) ① JIS Hand Taps with Short Chamfer for Magnesium Alloy Castings Spiral Fluted Taps (for through hole) ② Specification <2D Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Aluminum alloy castings Magnesium alloy die castings Zinc alloy castings アルミ合金鋳物 マグネシウム合金鋳物 亜鉛合金鋳物 5 15 〜 5 15 〜 5 15〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ Product Features ●The number of threads in the cutting chamfer is 1 thread or less. It is ideal for threading holes that require the full thread length to be as close to the bottom of the hole as possible. ●The flute shape is ideally suitable for tapping magnesium alloy and aluminum die casting. Cemented Carbide Taps ●Coating is avaliable on request. ⑤ Tapping Data Tapping Conditions [M2.5×0.45] Tapping Conditions [M2×0.4] Part Name PC parts Part Name PC parts Roll Taps Workpiece Material Magnesium alloy Workpiece Material Magnesium alloy ⑥ Bored Hole Shape Blind hole Bored Hole Shape Blind hole Bored Hole Length 4.5mm Bored Hole Length 3.0mm Tapping Length 4.0mm Tapping Length 2.5mm Machinery Type CNC tapping machine Machinery Type CNC tapping machine Special Thread Taps Simple Inspection Tools Processing Direction Vertical machining Processing Direction Vertical machining ⑦ Feed Synchronous feed Feed Synchronous feed Tapping Speed 20m/min Tapping Speed 15m/min Cutting Fluid Water soluble cutting fluid Cutting fluid Water soluble cutting fluid Number of Holes Number of Holes 10,000 holes 10,000 holes Processed Processed Pipe Taps ⑧ Internal thread situation Complete Threads Thread Mills Premium Thread Mills ⑨ Dies ⑩ Access to the introduction by Manga. Incomplete Threads Center Drills Centering Tools * In magnesium alloy processing there is a risk of the chips catching on fire. Be sure to take all measures against fire prevention. ⑪ JIS ④-115