Общий каталог Yamawa 2022 - 2023 - страница 636

Предыдущая страница Следующая страница

Навигация

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 ⑥ Roll Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk JIS ① SURZ SU Roll Taps ② Specification Coating <1.5D ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels Stainless steels 低炭素鋼 中炭素鋼 ステンレス鋼 〜5 〜5 〜5 ④ (m/min) (m/min) (m/min) Product Features ●Adopting the special form on tap's root, SURZ controls the minor diameter geometry of internal threads. ●Special lobe shape realizes low tapping torque. ●High efficiency can be obtained in thread forming of stainless steel parts. ⑤ ●By adjusting bored hole size, you can adjust the minor diameter geometry of internal threads. Tapping Data Tapping condition [ M2×0.4 ] ⑥ Work Material SUS304 Tapping Length 5.2mm（Blind hole） Bored Hole Size φ1.85 〜φ1.82 POINT Tapping Speed 5m/min Feed Rigid In use, please select proper bored hole diameter. ⑦ TappingDirection Vertical Machine Machining center（BT15） Tapping Fluid Water soluble cutting fluid(×20) Recommended bored hole diameter ⑧ Bored Hole Size φ 1.84 φ 1.83 before tapping Unit : mm CrossSection Size Class RecommendedBored Hole Size Picture of M1 × 0.25 G4 0.90 Internal M1.2 × 0.25 G4 1.10 Threads M1.4 × 0.3 G4 1.28 ⑨ Seam Shape Normal seams remain. Seams remain a little. M1.6 × 0.2 G3 1.52M1.6 × 0.35G41.46 Minor Diameter φ 1.62 φ 1.60 M1.7 × 0.35 G4 1.56 M2 × 0.4 G4 1.82 Bored Hole Size φ 1.82 φ 1.81 M2.3 × 0.4 G4 2.12 M2.5 × 0.45 G4 2.30 M2.6 × 0.45 G5 2.40 Cross M3 × 0.5 G5 2.77 ⑩ SectionPicture ofInternal No.2-56UNC G4 1.98No.4-40UNCG52.55 Threads No.6-32UNC G5 3.14 ※Recommended bored hole diameters shown in above table have been calculated by aiming at the thread engagement of 90% and Seam Shape Seams remain a little. No seam remains. by considering avoidance of tap breakage, based on our past Minor Diameter φ 1.59 φ 1.58 tapping test experiences. ※Recommended bore hole diameter may change because material deformation can slightly change depending on material, ⑪ M2×0.4 6H Internal Thread Minor Diameter and hardness, dimension of workpiece and tapping condition. Tolerance Max. 1.679 Min. 1.567 Tolerance 0.112 JIS ⑥-59