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本帖最后由 青华工作室 于 2012-7-28 17:02 编辑 % C( g7 ~/ F i1 Z8 z6 c C
2 H6 Q! ?# b3 V2 l) J- AActive_coils 11 中间螺旋卷数2 E" g9 ]/ e5 ^
Closed_height Wire_dia+0.01 考虑最后卷的间隙0 V7 T: g# @# {- q, e+ k! d
Dir 1 改变螺旋旋转方向
1 ]; o( E7 @9 N6 ^# d! PFree_length 7 弹簧自由长度
- m% C9 V; }) j2 HOD 2.19 弹簧外直径6 f, @1 [% L" e& a% A
Total_coils 13 螺旋总圈数1 C% u3 S( {: m
Wire_dia 0.095 弹簧线径(钢丝直径)
@6 U9 E9 D+ G% W2 ^angle_offset (Total_coils-trnc(Total_coils))*360 o9 b0 G" ~# h5 T# x% ?6 I
angle_offset_init (Total_coils-Active_coils)/2*360+ C2 Z" ^; \% i; [) y; K! d
exp (pitch/Closed_height*(Total_coils-Active_coils)/2)5 s2 ]: r1 Z2 n) l' Z5 C
height Free_length-Wire_dia-Closed_height*2! ^4 X' I7 a* b+ j/ W
p0 Wire_dia
% a# n5 Y' P2 W+ F" N! Xp1 0% J$ Y; O! J- c+ j' C9 Y5 a% X
p22 Wire_dia
" |5 d3 |* f& ]6 Kp23 0) ~* e- w9 j9 K q
pitch height/Active_coils
( Z8 b0 W7 n: }& RRadius (OD-Wire_dia)/2& }5 ]! x% I% e$ ^. O. ?/ d* R# e
T 15 ?$ T5 t' S9 o! w
xt cos(Dir*360*Active_coils*t+angle_offset_init)*radius
5 l; a- G z( l! n8 o+ P! p: H, \0 rxt1 cos(Dir*360*(Total_coils-Active_coils)/2*t)*radius0 w: ?0 u$ z9 ` L+ ^/ I! |
xt2 cos(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
+ Y1 z6 ?" i0 Q) ?7 i' Y0 Eyt sin(Dir*360*Active_coils*t+angle_offset_init)*radius! d5 g& _% U' j8 \! J
yt1 sin(Dir*360*(Total_coils-Active_coils)/2*t)*radius
. k& v# W+ o. {, k3 U2 hyt2 sin(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius' l+ y0 S5 B( i% e5 e, n7 p
zt t*height+Closed_height+Wire_dia/2( f3 Q2 k' A% ~* I2 {3 J- v
zt1 (t^(exp)*Closed_height)+Wire_dia/2
8 M$ V$ J1 Q. G, S7 dzt2 (-t^(exp)*Closed_height)+height+Closed_height*2+Wire_dia/2 |
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