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本帖最后由 青华工作室 于 2012-7-28 17:02 编辑
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2 a8 e- L' [* i, V( FActive_coils 11 中间螺旋卷数
- `0 k- `( _& x/ k' ~ fClosed_height Wire_dia+0.01 考虑最后卷的间隙
" c4 s- L5 |/ m6 |' }3 \Dir 1 改变螺旋旋转方向 & T; o$ y3 p% F/ P3 [. K5 r9 d) N
Free_length 7 弹簧自由长度
# L' l& q# {0 ]) @# W# T/ E( }' {0 q! POD 2.19 弹簧外直径; `' X# F1 D D/ j3 A3 S! B
Total_coils 13 螺旋总圈数! t, F# E" S/ Q5 e0 s7 `
Wire_dia 0.095 弹簧线径(钢丝直径)
( T$ r6 H3 e) H$ P) A& d/ a! iangle_offset (Total_coils-trnc(Total_coils))*360
2 U. C% j- \3 f4 M( O4 f/ ]/ ~: ]angle_offset_init (Total_coils-Active_coils)/2*360) d/ \& i; @1 y; G: c
exp (pitch/Closed_height*(Total_coils-Active_coils)/2)
. w9 j0 V n: n( uheight Free_length-Wire_dia-Closed_height*23 U3 Y4 N. i( e# l5 I8 P
p0 Wire_dia
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p22 Wire_dia 5 b+ K6 p) c; ^
p23 0 y4 v; _2 C2 d2 {/ `1 c. K
pitch height/Active_coils7 T, R8 `, A" V5 m. u9 T
Radius (OD-Wire_dia)/21 _! n# J: F# `6 o9 ~( w3 D8 v
T 1
6 V) Q. S% R9 X. l4 q- E# ]xt cos(Dir*360*Active_coils*t+angle_offset_init)*radius3 V2 q$ o; j+ y* c/ x1 a# S
xt1 cos(Dir*360*(Total_coils-Active_coils)/2*t)*radius, [8 b9 _4 B7 @. ^7 d8 Y; }( J
xt2 cos(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
, t1 w- z* N2 A. a: Uyt sin(Dir*360*Active_coils*t+angle_offset_init)*radius) R5 M1 T7 g! Y/ T
yt1 sin(Dir*360*(Total_coils-Active_coils)/2*t)*radius
2 b3 B0 O- A$ ?! k$ _yt2 sin(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
2 e: h) A' \2 r% Y+ o/ }) U; s% izt t*height+Closed_height+Wire_dia/2
- g5 z, q' P/ h* F. h- G+ tzt1 (t^(exp)*Closed_height)+Wire_dia/27 [' M1 j' |& h$ [
zt2 (-t^(exp)*Closed_height)+height+Closed_height*2+Wire_dia/2 |
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