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发表于 2008-3-17 20:57:32
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British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF) 螺纹代号( s* o- x0 K! v$ O
基本尺寸5 Q) B: K" w% f) Z8 G9 G3 ~
大径
$ y% M% b: c# X% u8 zmm6 b d8 ~; R/ G1 Z9 o
d=D 螺距# i( m" q+ u! H4 i5 p
mm
4 K K- C) q) L1 _+ cp 每英寸牙数
( e$ j" `8 w* t: _ ^% \; z/ y, }' ~tpi 中径0 `, D: m) ]! ^* Z3 w3 i$ }
mm
0 | m! G' ^! e" Nd2=D2 小径+ Z) B# ~% W8 w/ d" E( D4 M
外螺纹
0 h$ V. |# [# e- [) z% od3 牙型高度
" H* r/ [9 ^( Z( U) h7 ^' d4 @H1 底孔尺寸1 P: B+ b* B4 o" J1 ]
mm
$ ~! y9 A4 p3 T: `0 P) pG 1/8 1/8＂ 9.728 0.907 28 9.147 8.566 0.581 8.7 . Y0 ~5 X) C) W3 T8 ~5 v3 _
G 1/4 1/4＂ 13.157 1.337 19 12.301 11.445 0.856 11.6 $ b b- i8 {- @1 c9 P
G 3/8 3/8＂ 16.662 1.337 19 15.806 14.95 0.856 15 - _ }) N6 o, \# A, `2 ~! F
G 1/2 1/2＂ 20.955 1.814 14 19.793 18.631 1.162 19 ' H- T* |' c+ O4 a
G 5/8 5/8＂ 22.911 1.814 14 21.749 20.587 1.162 20.75
; z: j3 e( D5 i% XG 3/4 3/4＂ 26.441 1.814 14 25.279 24.117 1.162 24.5 . T0 M# F+ G/ \% U! y W
G 7/8 7/8＂ 30.201 1.814 14 29.039 27.877 1.162 28
- c2 _, L! L! G6 }8 I- pG 1 1＂ 33.249 2.309 11 31.77 30.291 1.479 30.5
# @( `; A+ d4 ~6 h; d6 q, DG 1 1/8 1 1/8＂ 37.897 2.309 11 36.418 34.939 1.479 35 . x* I3 e: o6 @5 q& e6 [; O* e. {
G 1 1/4 1 1/4＂ 41.91 2.309 11 40.431 38.952 1.479 39.5 2 a2 d6 p: C* M9 Z* t
G 1 3/8 1 3/8＂ 44.323 2.309 11 42.844 41.365 1.479 41.5 " x2 ]) H, J; H# L% w) g& W1 D
G 1 1/2 1 1/2＂ 47.803 2.309 11 46.324 44.845 1.479 45
9 n! D9 _1 j0 B6 R4 `/ _% Z+ uG 1 3/4 1 3/4＂ 53.746 2.309 11 52.267 50.788 1.479 51 ) j8 b8 b7 |0 A+ o- G/ P3 F
G 2 2＂ 59.614 2.309 11 58.135 56.656 1.479 57
; e6 I8 k* c: k$ i* c8 M3 b+ B% zG 2 1/4 2 1/4＂ 65.71 2.309 11 64.231 62.752 1.479 63
3 X8 F% c% u% @, t6 f7 TG 2 1/2 2 1/2＂ 75.184 2.309 11 73.705 72.226 1.479 72.5
$ i" o0 @( P" K+ TG 2 3/4 2 3/4＂ 81.534 2.309 11 80.055 78.576 1.479 79 ' b; g5 [1 U8 K+ x- _5 m5 v
G 3 3＂ 87.884 2.309 11 86.405 84.926 1.479 85.5 ; j& S; @6 Y/ J$ m, U3 ?3 t: o
G 3 1/4 3 1/4＂ 93.98 2.309 11 92.501 91.022 1.479 91 + [3 [! y# K% [$ e" f, v; L
G 3 1/2 3 1/2＂ 100.33 2.309 11 98.351 97.372 1.479 97.75
6 }: |1 ]+ p }* U- }% ^3 `G 3 3/4 3 3/4＂ 106.68 2.309 11 105.201 103.722 1.479 104
% E5 S6 _4 ^7 b3 {4 M/ C. v2 JG 4 4＂ 113.03 2.309 11 111.55 110.072 1.479 110.5 : W4 p) o: D M$ q0 L
G 4 1/2 4 1/2＂ 125.73 2.309 11 124.251 122.772 1.479 123 " [/ B; Q* j1 ?8 `/ \
G 5 5＂ 138.43 2.309 11 136.951 135.472 1.479 136
) r8 {" m: ^' M9 r$ V# jG 5 1/2 5 1/2＂ 151.13 2.309 11 149.651 148.172 1.479 148.5 w* ^; }: C- ~( d( v" E1 }1 O' _
G 6 6＂ 163.83 2.309 11 162.351 160.872 1.479 161.5
7 \$ o, Q. M7 ?% D J资料来源：中国机械cad论坛 |
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发表于 2008-3-16 20:01:28
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