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本帖最后由 青华工作室 于 2012-7-28 17:02 编辑 # y- ^# h- B, E: s, N8 \7 }
7 h% n; g3 I& j7 `( wActive_coils 11 中间螺旋卷数
+ _# M0 J( f1 I; c' CClosed_height Wire_dia+0.01 考虑最后卷的间隙% C$ y) W; c2 y) u! i8 d
Dir 1 改变螺旋旋转方向
5 G5 @6 z% ?3 EFree_length 7 弹簧自由长度3 I4 w1 t2 e6 r7 m0 a/ u
OD 2.19 弹簧外直径
, s! v/ J, R! v/ H5 ^. e9 d0 Y2 GTotal_coils 13 螺旋总圈数
. W% Z% p. _$ nWire_dia 0.095 弹簧线径(钢丝直径)1 L3 B$ ~$ J1 G2 j+ j `" J. H
angle_offset (Total_coils-trnc(Total_coils))*360) s1 M( X9 Q! ` N' Y6 H6 ?
angle_offset_init (Total_coils-Active_coils)/2*360
/ u6 q. u, _9 Q/ e$ g5 w" fexp (pitch/Closed_height*(Total_coils-Active_coils)/2)
; ^% i( ^4 z3 Z4 v8 h$ Nheight Free_length-Wire_dia-Closed_height*2
, ~! C Z) r7 ]$ ]6 hp0 Wire_dia( K+ {1 i4 { X3 H& H5 y
p1 0. C6 M- f' H" k2 n0 c* z9 T
p22 Wire_dia
3 C+ C: X$ A5 j* Z6 H1 ]+ j4 ep23 0
; u/ |! T" L7 q1 E" n7 `% V2 F2 P; h, gpitch height/Active_coils( \: e- }# s; e5 b. ]( b. a) w6 w
Radius (OD-Wire_dia)/2" ]% p2 N/ R4 P/ }: e. x5 Z
T 1& g4 }" v9 C; R' z& x5 |
xt cos(Dir*360*Active_coils*t+angle_offset_init)*radius2 G$ s6 L4 I+ v! X0 R3 ?- M% d
xt1 cos(Dir*360*(Total_coils-Active_coils)/2*t)*radius
# ~+ P/ I$ Z Y) bxt2 cos(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius
) z( _2 T2 u7 F6 g0 T* h) h' F) lyt sin(Dir*360*Active_coils*t+angle_offset_init)*radius
, W) c- o! M; [5 |yt1 sin(Dir*360*(Total_coils-Active_coils)/2*t)*radius
4 b" N# N: |& B; H3 O" d- o4 tyt2 sin(-Dir*360*(Total_coils-Active_coils)/2*t+angle_offset)*radius: \* L' r K) l1 K! X" F& `
zt t*height+Closed_height+Wire_dia/2
* h5 w. d+ N5 F/ q6 P' M. N) G7 ^8 Gzt1 (t^(exp)*Closed_height)+Wire_dia/2
; p( q( h% Q0 e5 D3 u% O) \zt2 (-t^(exp)*Closed_height)+height+Closed_height*2+Wire_dia/2 |
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