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本帖最后由 青华工作室 于 2012-7-28 17:02 编辑 ' _% h1 ]1 d5 W1 V4 o" P* `# o
8 G/ V. O+ P% B+ yActive_coils 11 中间螺旋卷数
) {" d6 Y4 C2 E: BClosed_height Wire_dia+0.01 考虑最后卷的间隙
( k$ {; z4 U& B# ]& H, }Dir 1 改变螺旋旋转方向
, Z) z+ }! l6 s; dFree_length 7 弹簧自由长度' R6 r. ~: p s# K5 ^
OD 2.19 弹簧外直径
7 s- [* D; M {+ \$ }- J) ?Total_coils 13 螺旋总圈数 o) _/ ~4 a% r( y' x
Wire_dia 0.095 弹簧线径(钢丝直径)
" _3 Z* |2 l8 O* s1 @angle_offset (Total_coils-trnc(Total_coils))*360
; [; K3 S& @7 _# k7 ?0 rangle_offset_init (Total_coils-Active_coils)/2*360) m) `6 j& @. e" s
exp (pitch/Closed_height*(Total_coils-Active_coils)/2). v9 v- Q* ~5 o1 ]
height Free_length-Wire_dia-Closed_height*2- h5 \# g. x$ T
p0 Wire_dia+ L- A; f$ Z9 C( f" b9 m0 K
p1 0
1 l+ ?* }3 ?2 m2 X# A4 v* M2 D! {- }p22 Wire_dia
7 x' g7 Y' s& X( ?" @) W8 fp23 0, O7 [( @! G+ H4 t
pitch height/Active_coils% H) W4 C/ H9 x, L7 h% g
Radius (OD-Wire_dia)/22 c, R4 P# j8 Y+ G# x
T 1* Z9 e' Z$ ^% E! |( N5 W) ^3 u4 ~
xt cos(Dir*360*Active_coils*t+angle_offset_init)*radius
7 f! W3 ^' n* y% b7 hxt1 cos(Dir*360*(Total_coils-Active_coils)/2*t)*radius
# |: f N* t8 d& e- Ixt2 cos(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
) `6 _' k' w1 ~ ~# \yt sin(Dir*360*Active_coils*t+angle_offset_init)*radius
' t% G0 V6 M0 O5 H+ n. @( B$ Cyt1 sin(Dir*360*(Total_coils-Active_coils)/2*t)*radius' D& A9 P# n( w {: s& {0 M& \, s8 }
yt2 sin(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius* z( [6 c" d- f6 W1 r5 ?, o5 p; p
zt t*height+Closed_height+Wire_dia/2' e/ @4 f0 D1 W: P7 a, E9 J% c
zt1 (t^(exp)*Closed_height)+Wire_dia/2
* p% V2 b: U+ S8 Pzt2 (-t^(exp)*Closed_height)+height+Closed_height*2+Wire_dia/2 |
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