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本帖最后由 ta488 于 2012-11-1 09:40 编辑
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UG 等其它Cam软件 2D刀路都有拐角减速及圆弧插补进给速度改写功能,Mastercam通过编写后处理可以实现,方法下叙。" [' i/ |( X! K) L0 c. s# \2 P# E
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- s( i5 q9 a3 H修改pncoutput #Movement output
) Y& a2 d# e: zpncoutput #Movement output
8 f7 K8 b3 P& o' V; F#..................................................................................................................................................
+ w) D0 ]+ Q* Y( A if gcode$ = one & mi3$ = 0, plinout
* h; Y0 n* r8 D; E if gcode$ = one & mi3$ < 0, plinout_force_f
2 i% u5 d. I/ O( x9 C% y1 h if gcode$ = one & mi3$ >0, plinout_corner_dec9 F- u, d' f- a# p
if (gcode$ > one & gcode$ < four) & mi3$ = 0, pcirout' K7 a7 k0 g+ U& G% q/ d
if (gcode$ > one & gcode$ < four) & mi3$, pcirout_corner_dec, O7 @0 J5 g( b' x) C
#.................................................................................................................................................% s3 G. T8 ^/ T0 J+ v$ n
- g# D- C; N+ f' h0 m0 p) S后处理末尾插入以下代码
+ h4 [2 I3 Y5 z& [#----------------------------------------------------------------------------------------------------------------------
8 b' ?- [! b/ d( j3 y& Y#功能说明
_, F3 r- _( L2 N5 M) ]* B0 t4 G3 n4 [# 2D toolpath corner decelerate #2D拐角减速及圆弧插补减速后处理
! m+ A r7 B7 z7 g& h* h% f; t# Only support ABS. NCI point #仅支持绝对编程方式8 p8 y9 i- T5 i s
# support G02/G03 feed override, arcoutput$=1 #支持圆弧插补减速. H" i% q9 ~. C0 L$ U8 A
# Nonsupport post 3D NCI, Nonsupport post Ramp #不支持3D刀路,不支持螺旋插补
- s6 O! E0 x. g$ K0 R' u4 T#mi3$ #mi3 进给改写,编程时在Misc values输入
4 @$ ]0 ?- m! D7 z #正值表示直线和圆弧都减速,6 I. _2 d4 o% i' I8 w1 l" @
#负值仅圆弧减速,
+ n) z% V, {( C# C #0不启用减速后处理。0 W9 g: I6 z/ e9 _+ G& S
#-----------------------------------------------------------------------------------------------------------------------# |0 f2 z7 m q4 \2 e+ G
#用户参数
: ? Q+ y, F7 y#min_distance : 5 # setting min_distance to break 直线减速距离,打断长度5 c) V) d% c7 L; F7 t% z3 `
#skip_distance :10 # to skip the line length small than直线长度小于10,直接减速不打断
1 D7 Y; b8 Y. o q, V! L#small_r : 2 # <= R2 use ov_f overiide feed 小于等于R2用Mi3参数改写圆弧插补进给
/ n: u* e3 F, K! `8 t#big_r : 10 # R2<R<=R10 use 80% feed$ override feed 小于等于R10且大于R2圆弧用80%进给改写,大于R10圆弧不改写进给 6 W2 f: n7 D! ?
#-------------------------------------------------------------------------------------------------------------------------1 S* B) d- A( p7 w- I( F$ F% x
#作者信息
2 f1 q( k; U7 w$ E. X* D# Programmer TA
! a( w( a, Q% u$ [' g# Version v1.0
' s5 k J) W+ L! [# Date 2012-10
8 Q$ C' k4 e' k# 不明白之处请到博客咨询. Y$ q, P. J# Q& x
#Blog http://attao.blog.163.com
1 A3 ]/ p) c$ ~! f#请保留开发者个人信息,以示对作者尊重
* k1 M& n! O8 U) s#----------------------------------------------------------------------------------------------------------------------! Q5 k) a7 R8 k
fmt 1 x1 # line end point one
C# B, P! _' X6 N" V' }/ Z% i! sfmt 1 y1 3 d4 C* U8 }. Z, ?- G
fmt 1 z1
' X: P' a9 u1 g" M- n7 {2 l" yfmt 1 x2 # line end point two 7 i! d* n1 L: b. `( P
fmt 1 y2# w |2 I# t' |' S' c5 w, g
fmt 1 z2
( Q) i# E/ I, k' ^, d#-------
! w! S2 d2 K8 h& @. B8 k rfmt 1 xcenter # arc data * G3 @% H3 Z2 o; b2 B, l) w% C
fmt 1 ycenter" K) E; }0 v0 C6 s" A0 e. y
fmt 1 radius, l8 u- G8 v0 m4 S& z& z) g
fmt 1 start
l8 G' `, P: L; _7 M) X8 I- Ffmt 1 arcsweep
2 z# H6 V* ~' r1 q+ X# {, ?! k#--------
: m7 O+ e& E" j- X9 X/ Zfmt "X" 2 int1x # intersect point one (result point) + W& W" h- ]. c% s4 b3 N
fmt "Y" 2 int1y
4 ?+ I% D) n3 N2 m. J/ [1 B" rfmt "Z" 2 int1z8 B# b- r3 O3 u/ h2 P
fmt "X" 2 int2x # intersect point one (result point)
8 r! J8 n) c8 B" H. ?% { [6 yfmt "Y" 2 int2y
" y% }2 o- c* @; r( u bfmt "Z" 2 int2z
# i% u# ?" H- r% {2 n) |* r5 q/ [#-----------8 _8 q5 {7 D" X% W
fmt "F" 15 ov_f
- R' U& _% X1 k# q4 f1 R8 {& Efmt "F" 15 ov_f2
6 |) [" B5 z' j$ W#----------+ ~$ _( ^; w! T! j
fmt 1 min_distance' D+ N. N! p/ c& e2 [+ [; b
fmt 1 skip_distance
$ x4 W8 B4 x# D" J$ xfmt 1 skip_dis
; u ~9 C* ~ d' c- d* ^fmt 1 small_R
' E+ ]' ^" v3 B) f' H$ kfmt 1 big_R$ F2 \' X0 J9 ]2 v# W2 a% [$ R6 Y
) p. ~+ r7 ~/ qxtol$ : 0.00001 # tolerance, default = 0.0001
5 f9 H1 f9 t4 N& [! mskip_dis :0 # Do not modify
+ v* X; Y- W: q6 |: f# o, O% Qmin_distance : 5 # setting min_distance to break
2 c2 g ^, m, ^! M0 m- Mskip_distance :10 # to skip the line length small than! |9 P4 V( H& h7 y: Q& ?
small_r : 2 # <= R2 use ov_f overiide feed( ]8 C) S! R! t# L$ H
big_r : 10 # R2<R<=R10 use 80% feed$ override feed ' b- k7 |' K: S, L
plinout_corner_dec # postline to set corner decelerate ) `3 |0 X4 u* u- e
/ [9 g" A1 Z7 w! F0 O ov_f=feed #init. feed9 U, `; q$ F ~
if mi3$,ov_f=abs(mi3$) # mi3$ override feed
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ptnearx$ = xabs # near point # e/ |3 [; v) X+ ~3 V( N( O0 m; N
ptneary$ = yabs- u# @# [1 o: e; B; ]5 } E
ptnearz$ = 0$ \6 m, q# j4 a% w8 ~# p( {
x1 = prv_xabs # line start point one
2 k) V! a) k* f7 _2 ?# d+ D y1 = prv_yabs
% c. q' B* y2 Q% A5 i z1 = zabs: {3 |7 H" j, \
x2 = xabs # line end point two
% Q9 P9 B: P5 i. D; b" E Z" G y2 = yabs
9 Z/ `+ u3 N+ z z2 = zabs% ^* D. r! z4 g8 @5 ]% Z$ u- m
xcenter = prv_xabs # findinter
4 K* W- L! ] y2 m+ o: g( @ ycenter = prv_yabs
* N& Q5 J3 ^* j0 q& x6 _ radius = min_distance/ `9 l7 u+ H+ q% }0 r
start = 0
# V7 T6 Y# ~( o, i( m arcsweep = 360. q1 X5 c& y w" Z6 @* m
int1x = xla(x1,xcenter) ' t6 U$ d% X/ K" ?+ U, b% j# }5 [
if (t1$<0.998&t1$>0.002),skip_dis=min_distance/t1$
: M [- E. |8 l) ]* ~ N, ] if ((t1$<0.998&t1$>0.002)&skip_dis>skip_distance),pcan1, pbld, n$, sgfeed, sgplane, `sgcode, sgabsinc, pccdia, *int1x, *int1y, *ov_f, e$; ?* p8 u- `; U4 R3 X# a6 s
# "(","intersect P1 ",*int1x," ",*int1y, " ",*int1z," ", " ", "startpiont ",*x1," ",*y1," ",*z1," ", "endpiont "*x2," ",*y2," ",*z2,*t1$,*t2$,"skip_dis",*skip_dis,"skip_distance",*skip_distance,")",e$ # only For debug
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8 o: z' b' N$ j% y9 E# w ptnearx$ = prv_xabs # near point
$ I3 R9 H* _ j, ~$ ?' q ptneary$ = prv_yabs. p. j' w9 m% i5 }2 G+ W$ U8 {
x1 = prv_xabs # line start point one
! b$ x8 {1 E" V3 c V y1 = prv_yabs
" J5 P. Q" v% W# O z1 = zabs
! @. v0 O" Y# B x2 = xabs # line end point two
! [, I$ u) j9 C% d) H2 F9 d y2 = yabs- K$ F3 h; R! y9 ^% h/ H& |& x
z2 = zabs
; }+ k( r: B$ G" ^0 Y xcenter = xabs # findinter
- Y+ k! z8 T0 l, u! n ycenter = yabs
- Z5 R! d1 O' w( b: Q0 Z9 O" H radius = min_distance
: @; I! B" ]$ B start = 0
; O, @2 Q7 z/ D9 g: h arcsweep = 360
1 `3 x! c& N% ~; { int1x = xla(x1,xcenter)
* e6 ` }8 ]: I8 m , _2 J7 x: `1 n. Q0 J
if ((t1$<0.998&t1$>0.002)&skip_dis>skip_distance),pcan1, pbld, n$, sgfeed, sgplane, `sgcode, sgabsinc,pccdia, *int1x, *int1y, *feed, e$
1 q& L) m- ]3 Z" }: v( X* @' f # "(","intersect P2 ",*int1x,*int1y,*int1z," ", " ", "startpiont ",*x1," ",*y1," ",*z1," ", "endpiont "*x2," ",*y2," ",*z2,*t1$,*t2$,"skip_dis",*skip_dis, "skip_distance",*skip_distance,")",e$ #only For debug
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if (t1$>0.998|t1$<0.002), pcan1, pbld, n$, sgfeed, sgplane, `sgcode, sgabsinc, pccdia,pxout, pyout, pzout, pcout, *feed, strcantext, e$ # plung linout 7 o+ z8 c! k8 {# f1 m
else,pcan1, pbld, n$, sgfeed, sgplane, `sgcode, sgabsinc, pccdia,pxout, pyout, pzout, pcout, *ov_f, strcantext, e$ #linout
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pcirout_corner_dec # postline to set corner decelerate- L. b1 C$ h+ B8 L8 n; E% I( _
ov_f=feed #init. ov_f feed
. T6 r! Z' t1 o. v* z5 j9 V" K9 v ov_f2=0.8*feed #init. ov_f2 feed. w4 ]; |6 u d& `
if mi3$,ov_f=abs(mi3$) # mi3$ override feed
6 R( x$ u6 h5 N3 _; D if compwarn, pcompwarn
# h; Q/ {' s; y6 U' {% W, R+ j" x if hel_2100 = one, pcirout2
+ W6 q" P0 E. n9 p0 G. X& F& T else, pcirout1_dec
( T8 C: ]6 p# @/ k2 y' x9 Spcirout1_dec #Output to NC of circular interpolation O4 y6 J; o0 U9 q- @9 X4 u/ D
if arcrad$<=small_r,
. ?+ ~8 F0 v" w: E- q pcan1, pbld, n$, `sgfeed, sgplane, sgcode, sgabsinc, pccdia,pxout, pyout, pzout, pcout, parc, *ov_f, strcantext, e$ #,"(","r<=2,ovf",")",e$ #only for debug+ {) y& R( ?) I r6 r# A: D4 K( b
if arcrad$>big_r, . ]8 c+ r* K4 @8 c+ w# J& @
pcan1, pbld, n$, `sgfeed, sgplane, sgcode, sgabsinc, pccdia,pxout, pyout, pzout, pcout, parc, *feed, strcantext, e$ #,"(","r>10,feed",")",e$ #only for debug+ A" b3 |2 c6 n1 r/ Z& _+ M0 r
if arcrad$<=big_r&arcrad$>small_r,
$ V* c* R5 q' x/ I) k( }" N pcan1, pbld, n$, `sgfeed, sgplane, sgcode, sgabsinc, pccdia,pxout, pyout, pzout, pcout, parc, *ov_f2, strcantext, e$ #,"(","10<=R & R>2,ov_f2",")",e$ #only for debug; R, r! r( D" ]! e! C, d* B
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plinout_force_f #Output to NC of linear movement - feed
- }. F* P c/ ~1 n pcan1, pbld, n$, sgfeed, sgplane, `sgcode, sgabsinc, pccdia,4 S1 J, k2 X6 k& I+ S5 Y5 R. }. o7 e
pxout, pyout, pzout, pcout, *feed, strcantext, e$
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