Общий каталог Yamawa 2022 - 2023 - страница 675

Предыдущая страница Следующая страница

Навигация

JIS 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 Special Thread Taps / Simple Inspection Tools Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk⑦ JIS HT TRI ① Hand Taps for Tripod Threads ② Specification ■Hand Tap for camera tripod threads. Its thread size is oversized. ③ Recommended Tapping Speeds depending on Materials Brass Brass castings Aluminum alloy castings Magnesium alloy die castings Zinc alloy castings 黄銅 黄銅鋳物 アルミ合金鋳物 マグネシウム合金鋳物 亜鉛合金鋳物 〜10 〜10 〜10 〜10 〜10 (m/min) (m/min) (m/min) (m/min) (m/min) ④ TYPE：1 ⑤ Segment：1A Size Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutesTYPE MSRP ⑥ For Tripod Threads 1/4-20 TYU04N0KEB3 3P 62 15 26 33 6 4.5 7 3 1 ¥1,480 ※ 1/4-20 TYU04N0KEBA 1.5P 62 15 26 33 6 4.5 7 3 1 ¥1,480 ※ Specifications of threads for mounting a camera on a tripod as ⑦ shown in the picture on the right. The tripod thread is larger by about 0.14 mm than the unified thread in terms of the pitch diameter tolerance of internal threads, while their thread shapes are the same. ⑧ ■Comparison between tripod thread and unified thread unit：mm Size Pitch（P） Minor Diameter Pitch Diameter Minor Diameter（D）（D2）（D1） Basic size 6.350 5.525 4.975 Tripod thread1/4-20 1.270 Maximum allowable size ～ 5.820 5.267Minimum allowable size6.4605.6354.975 ⑨ Basic size 6.350 5.524 4.976 Unified thread 2B1/4-20UNC1.270Maximum allowable size ～ 5.648 5.257 Minimum allowable size ～ 5.525 4.979 ■ for Tripod Threads unit: mm ■ Bored hole size unit: mm MajorDiameter Pitch Diameter MinorDiameterSizeClassBasicUpperLowerBasicToleranceToleranceBasicSizeMinor diameter of internal thread（D1） Bored hole sizeMax.Min.(reference)1/4-205.2674.9755.19 ⑩ Size Size ( μ m) ( μ m) Size ＋ ＋ 1/4 - 20 - 6.350 5.525 230 210 4.975 ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑦-30