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使用UFUN进行UG NX二次开发: 装配设计技巧及步骤
2 T4 I9 r9 I9 [2 F/ n- @5 j7 P# @+ Q/ v4 y; p. P* S
- B/ A/ p m9 I7 i1、装入部件 }" `7 Z$ n7 N7 {
通过函数UF_ASSEM_add_part_to_assembly()指定部件装入的位置 、姿态等信息,实现在装配体中装入一个部件功能;
1 |; J7 S0 E6 f
, ?' P" ^' i9 z2、创建配合关系
4 E Z0 h+ d0 I5 n4 l3 A$ Pa.通过函数UF_ASSEM_init_mc()初始化约束;9 _* }1 v% w5 f2 i, L
b.定义约束关系,即填写结构UF_ASSEM_constraint_s中信息;; C% {. k7 M/ W& U( K" L7 r/ K
装配中各部件间的配合关系是通过装配约束关系来实现的。装配约束是指一个部件到另一个部件的约束,将部件A配合到部件B上,则部件A称为主动件(from),部件B称为被动件(to),在约束求解过程中,被动件在装配空间中的位置固定,而主动件将变换姿态到满足装配约束位置上。组成配合关系的约束之间不能存在几何关系上的矛盾,也不能形成循环定义。
$ y9 @% O, E$ a# c9 d5 l0 V2 Uc.通过函数UF_ASSEM_solve_mc()求解约束;& E+ J$ r! H. {
d.通过函数UF_ASSEM_apply_mc_data将约束应用到装配体上;
( |7 S3 E4 Q+ Y: E: h: |e.通过函数UF_MODL_update更新模型。
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- #include <stdio.h>
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- #include <uf.h>5 y. H5 [1 W4 z K9 p0 W$ z/ [* a
- #include <uf_ui.h>; v6 Y, c6 t+ }+ ?
- #include <uf_obj.h>
2 _- h' E0 Q1 g$ d- N2 `8 Q/ [5 U# i - #include <uf_disp.h>
8 C. I0 Q. Q1 n - #include <uf_modl.h>
" X1 b% A# k. |7 N' b" \8 e - #include <uf_part.h>% i2 V- Z. w5 r2 j" C1 F4 E
- #include <uf_assem.h># V7 h8 f( }4 ^4 ?- }, }% q
5 G9 Y6 s! n( C- #define UF_CALL( X ) ( report( __FILE__, __LINE__, #X, ( X ) ) )
% A) D& `: r0 W$ G: B7 j) d. |1 ?
2 R3 I! q! t0 Y! R9 f7 p8 y, b2 M- int report( char *file, int line, char *call, int irc );3 E) ~* |5 y, @
- void DoAssembly( void );- ?6 x# w) N5 D4 ?6 p8 q' C
9 U' ?( Y+ H: G( k$ Q4 ]9 G" y a- int report( char *file, int line, char *call, int irc )) k! b+ r- h& l4 ^. J
- {) e' x, }3 @1 ~0 h ]
- if ( irc )) `! @# v: O3 P, N
- {5 a3 ?2 ^" {- [& U, y3 Z! W
- char err_msg[ UF_UI_MAX_STRING_LEN + 1 ];
" ]) Z* G! b- {9 b4 y8 u, h - char msg[ 133 ];
! ], S( @8 X$ \ - char fail_message[ 133 ];: s0 n/ n7 @- q( F3 v) J
- int len;
% } V# {1 k; f& C - 5 G z3 y5 F" Q' Q
- UF_get_fail_message( irc, fail_message );/ ? f3 o/ D' ~7 d
- ! y' c! C# {/ v$ u6 i5 e r
- sprintf( err_msg, "%s, line %d: error %d: %s", file, line, irc, fail_message );! U" z0 D. s; _0 B1 [
! A) E4 P. S5 \- len = strlen( err_msg );
, M" j8 j; d. @ - len = ( len < 131 ) ? len : 131;- \ R; b. i) u/ N" E
- strncpy ( msg, err_msg, len );7 K) h6 j% n- E. R4 z
- msg[ len + 1 ] = '\000';
) g! p1 E$ p4 ^/ S- y. H/ n. H
% R* s% p0 y e0 F) p1 f+ P- uc1601( err_msg, TRUE );( c6 k: y3 w+ F0 ?
- }9 N5 r( r' p: M# o1 e
- return( irc );
! O* O, ^) C" V4 S, q7 A - }
, U) X, X) q7 t1 p$ w2 j! m ^( J - , ~+ Q* G, e! q$ ^' l. m
- extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
8 ?! |: D* w9 K. g! |6 Q/ Y2 Q - {
/ k, S* Q% l% l8 u$ f# c) T# g - if ( UF_initialize() ) return;
! i+ e8 ?$ z' g3 ?5 n - DoAssembly();
1 O8 [+ D9 \& J7 w) L+ [6 n - UF_terminate();
# l- C$ v9 p) ]7 d) r1 ~/ n - }* f* j/ L2 `# s
( P, D: n& ?9 @& g5 k, D$ k, r- void DoAssembly( void )
% d- E8 N8 y. |& P - {; q6 c) y) M$ G6 I4 C
- if ( NULL_TAG == UF_PART_ask_display_part() )
; p0 Q+ S% {5 f4 {. n - {2 _4 `$ R& e- A; i
- uc1601( "请新建一个文件再进行本操作!", 1 );3 h) p+ z7 W+ I* m: F7 b
- return;5 W4 X. ]! h7 D1 o3 `+ z
- }1 c* x; L8 j: N2 g
- : H3 p8 H5 `& `% j, K* w3 ]
- tag_t tagInsCyl = NULL_TAG;, _% f; I0 w7 x8 ]8 s9 r, m$ d
- tag_t tagInsVBlk= NULL_TAG;: }# r9 T, ]5 R! F# @' h5 G
- tag_t tagOccCyl = NULL_TAG;8 F- I& E" A9 Z2 w8 ^9 c" ?1 O
- tag_t tagOccVBlk= NULL_TAG;
5 j$ ^0 K) j% \ ^4 D - UF_PART_load_status_t ErrorStatus;
6 _1 A( I0 \' g8 j - 0 u0 k; c0 I( ^* o7 d9 l
- double dblzOrigin[ 3 ] = { 0, 0, 0 };
4 `5 F* e* F' g/ ^* ^7 V% [ - double dblzCsysMatrix[ 6 ] = { 1, 0, 0, 0, 1, 0 };9 m: y3 H9 |2 Z h) N# c
- " W1 x7 a: N4 ~5 Y7 J2 |. m
- /* 装入部件GB2208_80_Vblock.prt */' k' Y" v; W( L3 H
- UF_ASSEM_add_part_to_assembly(
. \# Y0 \. i1 M' l% F- c( s$ q5 N - UF_PART_ask_display_part(),) S8 U1 s9 Y6 E+ T" J
- "f:\\ug\\chapter4_1\\GB2208_80_Vblock.prt",
. x r6 _. `" o( d! f; F - NULL,0 E$ l: X3 o' S/ C) p$ K
- "VBLOCK",
! @7 a. Y% [* a" Z Z2 h$ j y - dblzOrigin,. U) I2 q; C# P
- dblzCsysMatrix,
( V" \9 ^# f5 u. m - -1," G7 P" \& j' L# f1 s
- &tagInsVBlk,
6 T V/ \: j/ D8 X" {. u* L - &ErrorStatus );
# h/ ^- [5 ?$ P2 U - /* 装入部件Cylinder.prt */
; ?# \/ ^: V! C6 u( P5 j - dblzOrigin[ 1 ] = 50;
|: |9 G, X) p# e - UF_ASSEM_add_part_to_assembly(& U3 y! c7 Q9 m+ B% b- `9 b9 W
- UF_PART_ask_display_part(),
. e' ?+ S! o d" } - "f:\\ug\\chapter4_1\\Cylinder.prt",! x2 a9 o' T: w
- NULL,
! B; a) A( j5 K; c - "CYLINDER",
) E s3 `3 ]* |, n5 G( [; ] - dblzOrigin,
( |) y4 `6 U9 I5 `4 ? - dblzCsysMatrix,
9 ?: j3 H; j2 _8 q5 y5 D; a - -1,( I+ M& A" H/ j) i, ?6 `% o
- &tagInsCyl,7 O7 h- k" z; H; u6 o; r4 e* h
- &ErrorStatus );. _3 s; v: T1 g* Y4 l) P
- tagOccCyl = UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsCyl );( f6 p B( I( y+ P C. q) z0 P
- tagOccVBlk= UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsVBlk );
/ v$ P* W: q0 v3 G0 ]
; l' o& d' A* a- /* 创建配合关系 */
: t0 s% r2 |- S6 U6 { - UF_ASSEM_mating_condition_t McData;
) b2 R4 @+ j* q - tag_t tagObjectFrom = NULL_TAG;; C) f) ]% f3 L& G8 j1 N9 }: p) C
- tag_t tagObjectTo = NULL_TAG;
3 D) Z+ m1 @/ I7 t6 x# c: w - tag_t tagPrototypeFrom = NULL_TAG;- Z( ^+ k I1 E6 P1 o! [
- tag_t tagPrototypeTo = NULL_TAG;
- u2 H. k, g6 m& d* ^% i -
; i H: U5 P$ G3 ~( F - /* 初始化约束*/
0 a' r2 M! z2 z4 [ - UF_ASSEM_init_mc( &McData );- ]4 i6 w& a# P2 t7 I
, a" ~1 Y2 f) D6 m5 X V- /* 定义约束,构造配合关系*/; |9 K r% `$ [ N- k3 f* `" S/ P
- McData.mated_object = tagInsCyl;
# \7 N. N8 A& w \' h - + r0 \4 n- X9 t- w4 A
- McData.num_constraints = 3;9 B2 j3 `+ w$ Z9 e( `
- McData.name = NULL;
+ w- V4 {% Q: `# A1 D7 c' e) h - McData.user_name = false;
/ r! H) d# V# z0 R - McData.override = false;7 @& y$ K3 y$ C |- g
- McData.suppressed = false;+ L2 S; l, Y& A# E" X& j
- McData.implicit = false;
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- tagObjectFrom = NULL_TAG;1 H4 o9 q; g; E! w2 m+ d* n( M% P
- tagObjectTo = NULL_TAG;5 s0 K- L! V9 k5 F, }4 L$ r
- UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );! [! C5 M) c% v/ [
- UF_OBJ_cycle_by_name( "P1", &tagObjectTo );: |( c; _. U/ M7 m/ i u
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );0 S; S- E9 [: ?2 O4 b2 k) d, R
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
3 g6 b+ g W8 u2 Y) _" n - McData.constraints[ 0 ].from = tagPrototypeFrom;& g9 Z8 k+ r8 ], g2 Y) H+ Z
- McData.constraints[ 0 ].from_part_occ = tagOccCyl;
' T1 j; y7 X `* `+ M" t H - McData.constraints[ 0 ].from_status = UF_ASSEM_ok;
' ^, j5 E$ c1 \( F' T) l - McData.constraints[ 0 ].from_type = UF_ASSEM_cylindrical_face;1 _! U* @7 R0 u
- McData.constraints[ 0 ].to = tagPrototypeTo;- a* x7 x3 ]7 z3 G8 b1 X1 E
- McData.constraints[ 0 ].to_part_occ = tagOccVBlk;
# d3 q4 z$ d: X/ l) C - McData.constraints[ 0 ].to_status = UF_ASSEM_ok;" K5 P+ a# Y0 h
- McData.constraints[ 0 ].to_type = UF_ASSEM_planar_face;
, q4 c% T6 w# `, a0 e3 \5 ?; g$ A - McData.constraints[ 0 ].mate_type = UF_ASSEM_tangent;
/ ?" ^* k' m% y# [ d( | - McData.constraints[ 0 ].offset = NULL_TAG;
+ J3 K" q e! W - McData.constraints[ 0 ].name = NULL;. K/ i3 U' X! [3 B, |9 c* h6 X8 m
- McData.constraints[ 0 ].user_name = false;- Z1 _% @0 i) w. x' }0 X8 b5 g
- McData.constraints[ 0 ].inherited = false;: f$ x2 Q7 ^ w
- McData.constraints[ 0 ].suppressed = false;
; s) Z) i6 p4 L. Q$ h5 Y, H - McData.constraints[ 0 ].has_help_point = false;& P+ `/ b& F% z, L
- UF_DISP_set_highlight( tagObjectFrom, 1 );
. y; k9 K- ? J" q2 N; `8 ? - UF_DISP_set_highlight( tagObjectTo, 1 );5 U7 g' R# j! |: j# i
- uc1601( "这两个面进行相切操作", 1 );
9 }* ?% ~) e* t( f: _ - UF_DISP_set_highlight( tagObjectFrom, 0 );: w4 o/ \% |# E! \& C. I0 [1 n
- UF_DISP_set_highlight( tagObjectTo, 0 );6 D+ `) ]/ I9 ]+ i
- : S7 m3 L6 ]0 z9 h5 N6 V
- tagObjectFrom = NULL_TAG;
9 U8 a2 C5 z5 g: R. I9 q4 N4 H - tagObjectTo = NULL_TAG;; N1 y" @* m8 u3 G9 j- `
- UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );1 B: K- Z7 r( P. i
- UF_OBJ_cycle_by_name( "P2", &tagObjectTo );
, |! q% j$ `- X S1 ^7 j$ c3 d - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );+ e. d* a- K! u2 g$ G$ }
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );+ j; k6 A2 g/ r4 [8 ^/ i
- McData.constraints[ 1 ].from = tagPrototypeFrom;4 G& v- h' h- b' h; @, k7 I
- McData.constraints[ 1 ].from_part_occ = tagOccCyl;
- G9 b; F( S' r/ v! Z - McData.constraints[ 1 ].from_status = UF_ASSEM_ok;! m" }" U" j1 a2 V% u7 O, m* O
- McData.constraints[ 1 ].from_type = UF_ASSEM_cylindrical_face;4 i' O$ t3 @* H: [9 L
- McData.constraints[ 1 ].to = tagPrototypeTo;# ?2 D3 o9 f" N' t% q9 R
- McData.constraints[ 1 ].to_part_occ = tagOccVBlk;
: }! w' ^. r& `( q, z3 V( ^2 R - McData.constraints[ 1 ].to_status = UF_ASSEM_ok;
1 x+ s" R2 f. h - McData.constraints[ 1 ].to_type = UF_ASSEM_planar_face;
* R6 s; {* T( m: f - McData.constraints[ 1 ].mate_type = UF_ASSEM_tangent;
) t9 Z. h1 z4 s3 p - McData.constraints[ 1 ].offset = NULL_TAG;
) c7 S6 t5 Q) ^( T8 a2 i - McData.constraints[ 1 ].name = NULL;
' o7 w' b2 E+ w' F5 e - McData.constraints[ 1 ].user_name = false;
8 x9 E% V1 w5 m; x, | - McData.constraints[ 1 ].inherited = false;
8 n+ y" G1 l, R& m5 `# T - McData.constraints[ 1 ].suppressed = false;
5 D* R7 K3 K5 o - McData.constraints[ 1 ].has_help_point = false;
* c5 \" p1 o7 b( \* j+ I7 p - UF_DISP_set_highlight( tagObjectFrom, 1 );
# e- E) f8 x4 j1 v- h - UF_DISP_set_highlight( tagObjectTo, 1 );1 |4 S4 J6 E! e( F0 l3 Q# X$ u6 N5 P
- uc1601( "这两个面进行相切操作", 1 );
( A* j4 p- p0 ^9 g" z/ ?3 x - UF_DISP_set_highlight( tagObjectFrom, 0 );' p* v1 S X3 z6 t! W! p3 A6 [& b
- UF_DISP_set_highlight( tagObjectTo, 0 );# I# Z3 ^' l$ t' l5 S( w
- ~, z0 C* P+ m ~& Y0 b- tagObjectFrom = NULL_TAG;
- u% U- b U+ Z+ M2 c - tagObjectTo = NULL_TAG;
: N9 h* j4 X7 m# S - UF_OBJ_cycle_by_name( "CYL_FACE_1", &tagObjectFrom );# t4 n3 o' G! { N$ J _% J0 A
- UF_OBJ_cycle_by_name( "P3", &tagObjectTo );
. V* M% R% O7 ^) A3 Y2 l: g - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
, y8 `$ x3 x" p& r! p - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
2 S7 x+ |' W. N+ ^' s - McData.constraints[ 2 ].from = tagPrototypeFrom;- V: t7 a5 T6 I3 r9 Z7 c
- McData.constraints[ 2 ].from_part_occ = tagOccCyl;
7 ~" h6 k2 g* y+ v: B& w$ R" S - McData.constraints[ 2 ].from_status = UF_ASSEM_ok;( d1 A( T) A: v3 [' N) k, ?
- McData.constraints[ 2 ].from_type = UF_ASSEM_planar_face;
7 | T2 P" Y5 `4 r4 i - McData.constraints[ 2 ].to = tagPrototypeTo;
9 E' Y3 y) G J( A8 K/ Y+ L9 u9 }# ^ - McData.constraints[ 2 ].to_part_occ = tagOccVBlk;
+ n0 I, r0 ?; w9 J3 Q* t6 k - McData.constraints[ 2 ].to_status = UF_ASSEM_ok;
9 Z9 v5 ^5 F! |( q. }/ g" Z' K - McData.constraints[ 2 ].to_type = UF_ASSEM_planar_face;
7 e- L' n f7 C, }% C - McData.constraints[ 2 ].mate_type = UF_ASSEM_align;
* _, m% [! }. @' _8 V$ L3 ` - McData.constraints[ 2 ].offset = NULL_TAG;7 K) B* r! s$ `! U9 Q
- McData.constraints[ 2 ].name = NULL;
' G, {* p: O+ M& ?& A/ H - McData.constraints[ 2 ].user_name = false;
% g( i( W2 n) q* P3 J - McData.constraints[ 2 ].inherited = false;
3 H, I) {/ N9 z; O - McData.constraints[ 2 ].suppressed = false;) h6 C7 n% H5 e' K, ]
- McData.constraints[ 2 ].has_help_point = false;
" P) x% G6 h% a - UF_DISP_set_highlight( tagObjectFrom, 1 );( n w' @0 p( ]5 ?0 e* d
- UF_DISP_set_highlight( tagObjectTo, 1 );
7 |0 B U" y, z+ @2 |6 ^% [- F - uc1601( "这两个面进行对齐操作", 1 );
3 j( I) n- S6 O. n- V+ O* ]7 s8 b - UF_DISP_set_highlight( tagObjectFrom, 0 );* v" M2 w3 o6 L9 \7 ^9 f
- UF_DISP_set_highlight( tagObjectTo, 0 );: c, _# A& Z2 r/ L. J
: V8 ^: v& V; n* s- double dblzTransform[ 4 ][ 4 ];! A" @' X# X$ H, B$ T
- UF_ASSEM_dof_t Dof;
- Q+ @* V9 h# q9 @* }8 j - UF_ASSEM_mc_status_t Status;
* K: V5 z: m/ y. S
) k! M% S+ k( Y! o2 W4 z' P- ~1 E! O' A; B+ e
- /* 求解约束*/2 w: y8 e* i) {; I4 W
- UF_CALL( UF_ASSEM_solve_mc( &McData, &Status, &Dof, dblzTransform ) );
5 C8 e2 K$ V! K6 u6 h0 [ - if ( UF_ASSEM_mc_solved == Status )
$ j. B: L' v! X - {
* |6 n5 u* b0 `2 s2 m6 S4 D, | - uc1601( "求解约束成功!", 1 );4 {- A% _# Q' { X( J1 P
- UF_ASSEM_mc_structure_state_t StructStatus;
* e+ l0 s" D+ G, x - p1 c2 F1 r! f3 A* I
- /* 将约束应用到装配体上*/
: i; t2 A. H% U3 X - UF_CALL( UF_ASSEM_apply_mc_data( &McData, &StructStatus, &Status ) );
5 K# F @6 R* S, A( O$ E9 N. ?' q - if ( UF_ASSEM_structure_ok == StructStatus ) 8 o2 O7 [# O' K
- {. |6 I, o4 v9 G) {! a& P
- uc1601( "应用装配成功!", 1 );- W2 s3 T; C% ]& X u8 ~) y/ p
-
7 h O0 q+ J2 F - /* 更新模型*/
( H% H/ y: F4 G8 u, U - UF_MODL_update();; X7 ^0 B( E# [# [% f
- UF_DISP_refresh();: m% B4 s1 f! }; F$ b9 |# t1 n
- }
4 U+ |4 S |+ m' a$ @3 q/ E - else uc1601( "应用装配失败!", 1 );: }. p+ x7 t6 M- m3 ^
- }
/ d/ ~1 A$ J5 C: ? - else uc1601( "求解约束失败!", 1 );
9 V' L; }% R* Q - }
0 b5 U) W/ x. C9 {2 x" {, P - }0 d$ j9 o9 Z' a8 }' E1 B+ o6 t# a, x
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