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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
4 \" W# _$ ~; |- A( k2.使用高版本(比如8.5)就可以直接输出了6 t5 f7 K+ m' ?, o+ q' W$ ]
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
( K- m) a$ t* X* ?9 r- global mom_pos_arc_plane
8 Y' V! l, k: m - global mom_sys_cir_vector
6 o: }9 M: L: j( E4 \ - global mom_sys_helix_pitch_type
1 f& u+ R9 F9 c - global mom_helix_pitch
$ C/ x- ]! u; b& M3 f' |3 u; I - global mom_prev_pos mom_pos_arc_center
7 n3 j6 l7 ]6 W2 g - global PI
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- switch $mom_pos_arc_plane {
0 Y9 s5 H7 y7 u% ` - XY { MOM_suppress once K ; set cir_index 2 }
- J4 t; f' ~, ]2 H! P, @0 I - YZ { MOM_suppress once I ; set cir_index 0 }
: T& a% S- x4 p$ F. n3 J8 t, J6 m+ C - ZX { MOM_suppress once J ; set cir_index 1 }
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, A% `& W) T; r r( L& }- switch $mom_sys_helix_pitch_type {
* T G- K* `5 G - none { }5 ~ {- T- |! O* M- ]$ g
- rise_revolution { set pitch $mom_helix_pitch }( h, R4 p, y# ]% Y4 j; A! [: A
- rise_radian { set pitch [expr $mom_helix_pitch / ($PI * 2.0)]}- U5 _$ o G7 c) K) k
- other {6 Q* }. R4 B. r! }
- #
! q, S* a+ b& e4 V, | - # Place your custom helix pitch code here
: H- T, u' ?6 N/ A4 V' x - #
; t# r' ?8 c" f& Q - }
, m1 h+ m/ n. z3 Y2 J: v' t - default { set mom_sys_helix_pitch_type "none" }. V" ~& d+ z n; Y4 {' F5 E" e
- }
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- # Make sure all X/Y/Z are output( b) T/ L. ? j1 `3 P7 T7 n5 n/ H
- MOM_force once X Y Z
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- if { [string compare "none" $mom_sys_helix_pitch_type] } {' W% {# x d# Y: V: _: p) R0 q
1 v% ~) V8 L) X4 M( L! i- MOM_force once I J K$ R! D) C/ B) N8 {- J# M/ N/ y
- # c# c% K: I+ L4 {
- switch $mom_sys_cir_vector {
& @! X- F, Z7 t$ b; q# ?! m6 y) g - "Vector - Arc Center to Start" {, y. t$ W* b9 h8 h
- set mom_prev_pos($cir_index) $pitch
: s; T M' J: U7 i0 n- A2 r. [ - set mom_pos_arc_center($cir_index) 0.0, v8 m( [& o5 p$ r- o( V
- }
3 ]1 t' C/ C3 C - "Vector - Arc Start to Center" -; S2 I4 g7 R- V/ s0 d% W# L: l
- "Unsigned Vector - Arc Start to Center" {, `5 [. d# |! C$ e4 r
- set mom_prev_pos($cir_index) 0.00 d8 N2 o7 v) @8 A0 f( N" g
- set mom_pos_arc_center($cir_index) $pitch
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- "Vector - Absolute Arc Center" {
! \% J2 t# u# [3 ~* f - set mom_pos_arc_center($cir_index) $pitch2 U+ e7 Y H% v/ d5 H
- }' n# J6 R( {6 K; n& ?0 e6 b
- }' u4 ^7 g/ u8 F) I1 o. I1 C
- }0 b f& ?. O! ]. ~" O, |
1 r" k7 {2 X+ ^- #
& s8 N4 s+ B0 b) ~ - # You may need to edit this line if you output more than one block W9 h% w: i0 d8 j( K
- # or if you have changed the name of your circular_move block template- R9 R# h: o7 v' ^" w: f
- #
, U u! H5 ^/ E, Y9 y) q; S3 Y - # ==> Do not call MOM_circular_move where CIRCLE_SET will suppress
: v a( U) `$ s$ @" q - # the Address of principal axis. Unless the "$mom_motion_event == helix_move?"5 e" y3 J0 {4 G
- # condition can be reliably used in MOM_circular_move to resurrect the Address of principal axis.
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- MOM_do_template circular_move
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