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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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) `8 V1 u* h( S# j7 T* _1 yActive_coils 11 中间螺旋卷数4 h, }% m0 A7 x; c* T
Closed_height Wire_dia+0.01 考虑最后卷的间隙
+ d5 P' Q- L- [3 K2 kDir 1 改变螺旋旋转方向
- j) o! i5 F8 S$ o7 XFree_length 7 弹簧自由长度 L& T5 N( q1 w( t
OD 2.19 弹簧外直径: P. H! `- J! C, D" _- u+ a* i
Total_coils 13 螺旋总圈数, p; ~+ p4 ^ c9 |; t8 Q7 n
Wire_dia 0.095 弹簧线径(钢丝直径)
" G( n9 q/ U& \5 M9 Tangle_offset (Total_coils-trnc(Total_coils))*360# ]3 R1 `) J# D4 w" Y
angle_offset_init (Total_coils-Active_coils)/2*360
' g) G& Y( [8 z; `7 i7 r+ ]! eexp (pitch/Closed_height*(Total_coils-Active_coils)/2). d9 O+ K/ Q% [/ ^
height Free_length-Wire_dia-Closed_height*20 H0 v1 C3 f X
p0 Wire_dia) f( \6 a) L: o( Z+ B# t% s
p1 0
0 X' ?$ b) a: q4 d# V/ m$ d1 o" Wp22 Wire_dia
1 R6 `! u M( V- Hp23 0
6 l$ v/ w. b, q8 w- lpitch height/Active_coils
) V4 N. R K0 B" a1 R+ iRadius (OD-Wire_dia)/2
6 D% O1 |! W* N; P' j3 tT 1
' S$ t% x1 z( @3 _# ^$ qxt cos(Dir*360*Active_coils*t+angle_offset_init)*radius0 x- B' A, t$ E: g
xt1 cos(Dir*360*(Total_coils-Active_coils)/2*t)*radius& D( a$ `, q8 g2 N% E! r
xt2 cos(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
; `6 i3 f% P- H( _yt sin(Dir*360*Active_coils*t+angle_offset_init)*radius
& G1 e0 H: n+ s" I2 t8 Jyt1 sin(Dir*360*(Total_coils-Active_coils)/2*t)*radius
- q0 h1 X) |- dyt2 sin(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
( D7 b( J, c: L) {zt t*height+Closed_height+Wire_dia/2
. K3 r+ d! c7 o) B5 v. i! z7 zzt1 (t^(exp)*Closed_height)+Wire_dia/2
4 W; e( x O1 B& M B1 E$ Mzt2 (-t^(exp)*Closed_height)+height+Closed_height*2+Wire_dia/2 |
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