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British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF) 螺纹代号
" a* t! Y0 l S c2 M基本尺寸& |4 I# k r; }; x3 x
大径
8 @, i W' V2 d; q! Qmm
! _9 e* L, W6 q( ]d=D 螺距+ t; W. q9 b2 @5 f9 Y4 I
mm6 t/ d' u, C! o
p 每英寸牙数+ r, U( }& n4 b( U
tpi 中径0 h1 n8 m3 a9 x& f* l1 ]
mm! }) D) M; [' Z$ r/ L
d2=D2 小径
# Y0 l+ H# g% M( M/ e3 M" q0 x外螺纹
/ `5 H# `/ Z5 s, ?+ b" h) _d3 牙型高度2 X, M' Y+ }+ Y+ \7 ^5 l, k) d
H1 底孔尺寸
: P9 x% A$ i! Z' r) _mm
# S6 F9 L3 Z( k4 |4 r( s- g: aG 1/8 1/8" 9.728 0.907 28 9.147 8.566 0.581 8.7 + l* p% u' u9 @7 ~$ S% m. n
G 1/4 1/4" 13.157 1.337 19 12.301 11.445 0.856 11.6 % M! j* _ ?2 M0 ]* ^, t8 _
G 3/8 3/8" 16.662 1.337 19 15.806 14.95 0.856 15 & v- B+ d# j+ j& b$ z
G 1/2 1/2" 20.955 1.814 14 19.793 18.631 1.162 19
# c' G/ R% _8 I1 nG 5/8 5/8" 22.911 1.814 14 21.749 20.587 1.162 20.75
* ?; ?$ u. P" R9 u5 X# oG 3/4 3/4" 26.441 1.814 14 25.279 24.117 1.162 24.5 + T K0 l( K+ L
G 7/8 7/8" 30.201 1.814 14 29.039 27.877 1.162 28 9 p" s, r6 w% P
G 1 1" 33.249 2.309 11 31.77 30.291 1.479 30.5
' P$ l, O$ n# v1 ^* FG 1 1/8 1 1/8" 37.897 2.309 11 36.418 34.939 1.479 35 ; J: K1 `8 V; _$ H# k8 a
G 1 1/4 1 1/4" 41.91 2.309 11 40.431 38.952 1.479 39.5
& ?9 d; g( V0 l# ]4 a! ?G 1 3/8 1 3/8" 44.323 2.309 11 42.844 41.365 1.479 41.5
( N2 c8 ~8 ^2 V4 k- } |9 R# @G 1 1/2 1 1/2" 47.803 2.309 11 46.324 44.845 1.479 45
6 @( \5 Q# d9 _1 S; s8 x# s7 |G 1 3/4 1 3/4" 53.746 2.309 11 52.267 50.788 1.479 51 ; ]: ^% B+ W8 D! k& P
G 2 2" 59.614 2.309 11 58.135 56.656 1.479 57 ; N# U1 {2 S# h6 z& R& E
G 2 1/4 2 1/4" 65.71 2.309 11 64.231 62.752 1.479 63
1 S. S' {$ |- \" S( `+ v' gG 2 1/2 2 1/2" 75.184 2.309 11 73.705 72.226 1.479 72.5 ; l& J* Z+ e% l+ Y; t6 R0 i" T% S
G 2 3/4 2 3/4" 81.534 2.309 11 80.055 78.576 1.479 79 " o, q, G7 M1 U G% j3 K
G 3 3" 87.884 2.309 11 86.405 84.926 1.479 85.5 7 j% [. V- Z, w! i$ P
G 3 1/4 3 1/4" 93.98 2.309 11 92.501 91.022 1.479 91
; e3 T9 `3 @5 U3 pG 3 1/2 3 1/2" 100.33 2.309 11 98.351 97.372 1.479 97.75
) |) z2 ], @# @/ y. c3 tG 3 3/4 3 3/4" 106.68 2.309 11 105.201 103.722 1.479 104 7 P# A) w: \, Y# q
G 4 4" 113.03 2.309 11 111.55 110.072 1.479 110.5 , A5 M8 V4 k$ G* P) r
G 4 1/2 4 1/2" 125.73 2.309 11 124.251 122.772 1.479 123 : ~4 M; {1 i1 D" t1 D
G 5 5" 138.43 2.309 11 136.951 135.472 1.479 136
3 e |, W- e3 J L8 `! vG 5 1/2 5 1/2" 151.13 2.309 11 149.651 148.172 1.479 148.5
5 p+ ~+ s3 d' Y. ^, O$ OG 6 6" 163.83 2.309 11 162.351 160.872 1.479 161.5
8 v1 q* C- e) K5 j q- t" ~7 g7 V3 ?资料来源:中国机械cad必威APP精装版下载 |
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