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发表于 2007-6-20 12:50:10
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来自： 中国广东广州
用UNF 螺纹代替：
5 ~/ @* t* s5 U9 _* q$ _* z8 X' T& W- Z3 v# E
美制螺纹（螺纹牙型角60度）Thread of American standard ( Thread pitch shape angle 60°3 F& u- Y; Q# T' [
UNC－－－－统一制粗牙螺纹（代替NC）Unified coarse pitch thread ( Instead of NC )
7 D, V% \- v, T2 D8 l$ V; G+ x- H( z! i! ^
UNF－－－－统一制细牙螺纹（代替NF）Unified fine pitch thread ( Instead of NF )
8 L5 K1 g1 L. y4 \* P
5 h' M5 g/ b' R$ } d( O UNEF－－－－统一制超细牙螺纹Unified superfine pitch thread7 \: E. M( Z, A# C" z
UN－－－－－统一制不变螺距螺纹Unified thread- P- Z) e1 n, d8 X6 p
UNS－－－－统一制特殊螺纹Unified Special thread
$ @& m! V+ M( T q0 X NPT－－－－一般用途锥管螺纹（旧代号Z;K）Taper pipe thread for general purpose ( Old . Y2 R. K" F0 [5 ?3 y
thread code Z,K )- B! G& ?! U0 x$ j* ~" {
NPSC－－－－管接头直管内螺纹Internal straight pipe thread for connection
7 k: J I3 n( G, h" F NPSM－－－－设备上自由配合，机械连接用直管螺纹Straight pipe thread for general purpose, n4 ^ B' \" v! o6 a0 M) ? I; R
NPTF－－－－干密封锥管螺纹Dryseal taper pipe thread: I8 ~+ [ o$ Y" \' c# F
NPSF－－－－干密封燃油直管螺纹Dryseal straight pipe internal thread# x( D" r2 r+ P9 t, F1 b. X: b
NGT－－－－气瓶用锥螺纹Special thread for gas cylinder |
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