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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- V0 c: e( Y$ J. v+ J% b4 M
2.使用高版本(比如8.5)就可以直接输出了
* w" S& f g' Q4 `2 l2 @4 m! C3.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
4 b2 U" f6 D; u0 c+ U% l- global mom_pos_arc_plane' b0 N f5 `# }" b# |
- global mom_sys_cir_vector
# a7 P: p; l+ \4 A* x- W - global mom_sys_helix_pitch_type4 j0 ?! w. e+ ]
- global mom_helix_pitch4 H7 E k: Z6 v1 y; q
- global mom_prev_pos mom_pos_arc_center
+ m1 i$ e* J! M! f3 a* B0 l - global PI
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- % x$ |' _# r/ M/ H9 R+ F/ I( v8 u9 V8 a
- switch $mom_pos_arc_plane {
8 \3 R% ?; ^& I% y5 A - XY { MOM_suppress once K ; set cir_index 2 }: Z6 F* Q% a7 T: M1 Y) C" h
- YZ { MOM_suppress once I ; set cir_index 0 }8 v' I; n- t! a Q& [
- ZX { MOM_suppress once J ; set cir_index 1 }6 a# H& C3 z7 K; [4 \3 L
- }1 V- T, r7 |. [9 |! a4 v
- " |: U& O: Q* q, O9 c) n. r3 [
- switch $mom_sys_helix_pitch_type {/ h; V! ~; D% r& o. e
- none { }
; D- X6 n, \" T- `6 ^4 G4 \ - rise_revolution { set pitch $mom_helix_pitch }
1 D" V" y- H' N - rise_radian { set pitch [expr $mom_helix_pitch / ($PI * 2.0)]}3 R; P$ K8 f, [, Y# E3 b2 p6 h% q
- other {+ J- W6 u* t1 s: o: C' A
- #; f8 B7 `) x# l# G, t# r8 k
- # Place your custom helix pitch code here
0 J1 K* s; \1 m" R& s) { - #$ k$ J: A4 O$ y" M2 U, w8 V
- }. p/ C! L) O6 \
- default { set mom_sys_helix_pitch_type "none" }( i: X, J2 ~ r T
- }
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; s, [1 V4 R' j+ T' k0 z: [- # Make sure all X/Y/Z are output3 o3 q: X2 c2 \7 g2 i7 c \' v3 w; C
- MOM_force once X Y Z
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- if { [string compare "none" $mom_sys_helix_pitch_type] } {* m9 q$ u2 P* n: F
- , Q* H5 S! T% g9 p c) R/ _ e
- MOM_force once I J K
0 _1 ]- k6 N( z3 e* W9 ^5 D) _
) h5 Z3 Y+ ~' o- switch $mom_sys_cir_vector {
' y7 s( _+ r; U6 L+ N! q- L+ }0 K - "Vector - Arc Center to Start" {. p3 g# }9 X$ w" i/ {% O
- set mom_prev_pos($cir_index) $pitch
% G0 ~3 S$ W2 {. _/ I7 u! H; g - set mom_pos_arc_center($cir_index) 0.0
1 {# H/ d$ x+ X* X - }. i3 q$ f H& Z: ]$ d t# X
- "Vector - Arc Start to Center" -* A+ m' ^3 o5 ?0 ?7 w C% s# f
- "Unsigned Vector - Arc Start to Center" {
) ~) A! W6 x" ^ - set mom_prev_pos($cir_index) 0.0
2 G( ~3 [. H* K7 s( V" g1 `3 Z% T - set mom_pos_arc_center($cir_index) $pitch
6 y, B) A' x+ n+ h - }+ n3 \2 R8 O- w( n# q& D0 q, @
- "Vector - Absolute Arc Center" {
8 J" T3 u$ ~6 |2 ?) S- u' o* ? - set mom_pos_arc_center($cir_index) $pitch
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- }4 U$ [, L9 i% I) r5 s! u
- }# Z; h2 L/ N4 z% C! W" Y& H' [9 E, J
/ W$ O- y8 r0 G- k1 d2 D1 G- #6 d* I. S0 W! F- ~, n0 l/ \# ^& c
- # You may need to edit this line if you output more than one block* ? p& r3 |' E7 q8 c
- # or if you have changed the name of your circular_move block template
/ ?* V& c4 ?9 d. X E - #6 f5 S/ ^9 B" \3 x
- # ==> Do not call MOM_circular_move where CIRCLE_SET will suppress
) v5 r# g8 A9 O( W0 V P - # the Address of principal axis. Unless the "$mom_motion_event == helix_move?"4 B5 W3 y' p: D2 V
- # condition can be reliably used in MOM_circular_move to resurrect the Address of principal axis.9 C" |; C1 \2 }; S. Y4 @( ~/ @
- #
5 o4 g1 ?! V' i+ C# ], c7 t/ ?6 c# r - MOM_do_template circular_move
复制代码
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4 u$ w' ?. ^" R& Q# s; {
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