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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：
& M* W# R' K# Y9 ^3 [+ x2 K% Q% }/ y% ]$ K m( t
美制螺纹（螺纹牙型角60度）Thread of American standard ( Thread pitch shape angle 60°5 R: M. o6 d/ X
UNC－－－－统一制粗牙螺纹（代替NC）Unified coarse pitch thread ( Instead of NC ), W& w% V- x9 [ ]4 t
2 l3 p/ B, G# q% o0 i; \# b
UNF－－－－统一制细牙螺纹（代替NF）Unified fine pitch thread ( Instead of NF )
' y e$ d8 ~2 F S2 n7 K& h9 @- l- \6 b) K
UNEF－－－－统一制超细牙螺纹Unified superfine pitch thread
( ]/ g: n! m O | w: b UN－－－－－统一制不变螺距螺纹Unified thread% h( ~1 g( y3 O' S. O
UNS－－－－统一制特殊螺纹Unified Special thread
' K, h! t: G5 V+ E5 J NPT－－－－一般用途锥管螺纹（旧代号Z;K）Taper pipe thread for general purpose ( Old " Q8 Q! X' I; A' ]* U f
thread code Z,K )' H* F, o6 U$ ]- |8 c4 F
NPSC－－－－管接头直管内螺纹Internal straight pipe thread for connection
+ }2 D, _6 f, B+ q u @ NPSM－－－－设备上自由配合，机械连接用直管螺纹Straight pipe thread for general purpose k+ H/ W9 K8 P
NPTF－－－－干密封锥管螺纹Dryseal taper pipe thread/ J- i v9 H, e- F: y5 m
NPSF－－－－干密封燃油直管螺纹Dryseal straight pipe internal thread
0 V" n, }9 {- s3 ?* F NGT－－－－气瓶用锥螺纹Special thread for gas cylinder |
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