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发表于 2016-8-1 16:20:56
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来自： 中国上海
1.首先保往你NX里的刀轨是圆弧的
9 i( C0 }0 ?% V2.使用高版本（比如8.5）就可以直接输出了 A( g; x3 Q: w- C( d
3.如果不是高版本可以参考一下高版本的PB_CMD_helix_move用户命令
& p' T" \' }# C+ p- global mom_pos_arc_plane) q3 g& R, ]" ]+ T5 Z5 C
- global mom_sys_cir_vector
( M/ T! S( [" p Y - global mom_sys_helix_pitch_type9 P% ], Z9 @8 z- {
- global mom_helix_pitch
& W) Z) c* u# R5 I5 _+ _ - global mom_prev_pos mom_pos_arc_center O! d, o& n. t
- global PI
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- + y+ J9 \6 a9 F3 Q5 o
- switch $mom_pos_arc_plane {) S, o8 e$ x2 @4 B. S: s5 ^
- XY { MOM_suppress once K ; set cir_index 2 }& ~( ^7 l7 m; e! {7 V7 o
- YZ { MOM_suppress once I ; set cir_index 0 }8 ]! i; x% q/ X& s, g( j& M- W
- ZX { MOM_suppress once J ; set cir_index 1 }8 c9 t! b- `! t' T4 B$ p
- }% |/ x/ B8 w, \; n% F% b a8 ]1 s2 g
- : g. a2 O) x2 m) S
- switch $mom_sys_helix_pitch_type {. q p+ K. M. N# G1 ~+ F
- none { }
( ^9 D j* A- j4 a l# }4 S& P2 i - rise_revolution { set pitch $mom_helix_pitch }; g& g* s/ c5 Y0 [: H
- rise_radian { set pitch [expr $mom_helix_pitch / ($PI * 2.0)]}
- I$ D+ [! ?8 K: X8 o2 Y" b - other {- D# I( g$ M9 n [ S: c# t* m
- #
) @# d, j' @' a - # Place your custom helix pitch code here1 K1 b- P% j+ |7 Y. r% I* {) X
- #
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- default { set mom_sys_helix_pitch_type "none" }
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/ x6 x5 z- y$ |$ o1 r- # Make sure all X/Y/Z are output
' p9 h( s' w0 @' q0 v1 O5 j9 y( G - MOM_force once X Y Z' a+ L& g& {) R5 p) S
- / S. K, A; k9 U7 Y S2 {
- if { [string compare "none" $mom_sys_helix_pitch_type] } {* g; l! O9 l% {, u5 F' g* F. j
" K2 ]4 ]+ ?+ C" Q# e1 C- MOM_force once I J K1 G! \9 T' i$ y- q
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- switch $mom_sys_cir_vector {# t( _8 C, K/ a8 w' B+ _) `) D
- "Vector - Arc Center to Start" {
6 [5 H/ x6 P2 I& H - set mom_prev_pos($cir_index) $pitch5 A7 i$ o- y+ }4 M. J
- set mom_pos_arc_center($cir_index) 0.0
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3 H ~/ u6 I ~ - "Vector - Arc Start to Center" -3 Z3 t$ {. F% U# t3 w [4 `2 X
- "Unsigned Vector - Arc Start to Center" {
% N; p! {! p9 v - set mom_prev_pos($cir_index) 0.01 S0 i9 D8 u7 G% T
- set mom_pos_arc_center($cir_index) $pitch/ O% n& F* O! d9 r" o; I, W
- }; N( `7 y" K9 _# g, \
- "Vector - Absolute Arc Center" {3 g6 q; L/ y, i: }% ~+ z4 I# \
- set mom_pos_arc_center($cir_index) $pitch0 E- Y( ~. z; n* c& ^
- }
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- # You may need to edit this line if you output more than one block
4 F/ _$ h, `$ C- x( i# X - # or if you have changed the name of your circular_move block template. c5 P0 ^: d" _% A
- #
* h% ^; ?1 n5 a; \ - # ==> Do not call MOM_circular_move where CIRCLE_SET will suppress
- x; `: w) U1 N" _% _8 @6 P - # the Address of principal axis. Unless the "$mom_motion_event == helix_move?"
. L; p- M/ c% D( H6 Q" \ - # condition can be reliably used in MOM_circular_move to resurrect the Address of principal axis." }5 P; C- h, C5 V" H b
- #- Q& {8 H( q9 y* i8 l5 i6 [
- MOM_do_template circular_move
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