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使用UFUN进行UG NX二次开发: 装配设计技巧及步骤7 }& J7 D; q2 X" Y {+ K8 `( O
1 F9 A6 L( d, U9 j& T) s
C0 m8 `( b# J4 y) T
1、装入部件# d& L' q9 h; h" G2 m- f6 z
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;
8 g; ^: e; J/ X, a0 W% n# {) c
/ \7 a8 W) c+ N' e6 C2、创建配合关系
" a1 ]4 s! f/ f. N! M. e: Wa.通过函数UF_ASSEM_init_mc()初始化约束;# c' \+ b# k# U% q. n" h
b.定义约束关系,即填写结构UF_ASSEM_constraint_s中信息;
6 X& T! @6 d4 Q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。
* P% {% \0 B6 q( ~$ zc.通过函数UF_ASSEM_solve_mc()求解约束;. |6 n. u1 o1 v6 w; M' w
d.通过函数UF_ASSEM_apply_mc_data将约束应用到装配体上;3 s+ n: Z, T6 e5 i
e.通过函数UF_MODL_update更新模型。
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4 ]2 u' }: r4 Y, |: s% u- #include <stdio.h>
; f: D; l9 e/ f1 N5 f7 ?/ E
# l, n- l# W8 [6 [1 n; ^- #include <uf.h>
6 x3 C- a# k: a" C! z - #include <uf_ui.h>$ R2 R: @9 |, h) m$ G
- #include <uf_obj.h>
- X4 Q/ e5 ^# w1 t# P - #include <uf_disp.h>
1 j+ d6 w0 r: U9 l x+ A5 ]1 D - #include <uf_modl.h>
5 ^1 `: A8 N# L# b- R! q - #include <uf_part.h>% `3 V6 N5 M. F) R; T1 Q Y4 p Q
- #include <uf_assem.h>
3 @8 h( u# |" V
2 s2 K- K! O, [9 q; b$ A- #define UF_CALL( X ) ( report( __FILE__, __LINE__, #X, ( X ) ) )
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2 ?2 I( L U% T" N0 N- int report( char *file, int line, char *call, int irc );
" T! A1 J/ C* \* O* { C" C) E, l* K - void DoAssembly( void );* Q! k! q9 A8 [* u4 d1 x
8 B. r: i$ a- u8 L' \2 b# M1 S- int report( char *file, int line, char *call, int irc )
2 Q& a! F; D4 A2 D) L/ u - { B* k8 D7 R& b. l8 P& S; x
- if ( irc ): q4 ~" s5 ^$ W: k3 h) {/ E
- {
) {' m r1 ?; l" ~ - char err_msg[ UF_UI_MAX_STRING_LEN + 1 ];' L* p5 w% w5 ~1 ?- X
- char msg[ 133 ];% ?/ ~" i0 L' [& ^8 m
- char fail_message[ 133 ];. s3 h2 j7 M4 `) X, |! X
- int len;
0 }7 A. s, M( P j- w: A, T - # C6 v Y* X! [$ R
- UF_get_fail_message( irc, fail_message );! M1 B- `. a' d" v
( C5 x) W! f5 ?; z: X4 u1 Q; c- sprintf( err_msg, "%s, line %d: error %d: %s", file, line, irc, fail_message );
, u# y; [1 e1 J0 }% @% W" @$ B. G, a% k
7 F- u3 l l! \- L- len = strlen( err_msg );" ~9 V1 u, m. @( ^( b. V, Z3 V0 s
- len = ( len < 131 ) ? len : 131;0 v7 F, v6 d( E7 _: o
- strncpy ( msg, err_msg, len );
. I2 v( ?8 L I1 s4 P' ^4 S - msg[ len + 1 ] = '\000';' z ]1 R0 c, U. l
- / X- @) i8 m2 E/ a- t5 Q
- uc1601( err_msg, TRUE );
# ^* F1 _) e7 @6 j0 P# S - }
, Z: G4 {. `+ [& @ - return( irc );
6 a. w: S! Q% K! F5 ` - }+ p. l8 J- S+ o* I$ x1 G
- " j. \" J& u. h5 {' s
- extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
# @& }5 }1 n F- P - {* v3 @* M$ H# J& m2 g m7 J
- if ( UF_initialize() ) return;/ |6 g5 ?; y- O( j% k& ^7 e
- DoAssembly();
0 K+ a8 Y2 ^( G) n0 Y8 q1 o - UF_terminate();" [( ]0 [" g/ Y% h( `
- }
% v, v. O F% _+ H5 @: p' x+ ` - $ M4 O0 t4 C: }5 {
- void DoAssembly( void )% }* Q7 u c- w
- {9 u0 T( f% h" J
- if ( NULL_TAG == UF_PART_ask_display_part() )
5 l$ ^/ f z& z; O& J& v3 \3 G0 Q z0 v - {/ U0 k0 o8 p' @, y u: L
- uc1601( "请新建一个文件再进行本操作!", 1 );
( b8 [/ o( u' z& o5 F0 ~& z z- p - return;7 h+ L# H3 Z0 d9 l, x& R
- }
7 D' _% i0 U( p+ b6 x+ r
7 P$ b1 L$ ^( [& y3 }" z3 y- tag_t tagInsCyl = NULL_TAG;
) T4 ^+ m* d# G' f3 x- s - tag_t tagInsVBlk= NULL_TAG;9 }: J* a3 s1 S: \" ?. _9 A" j" `
- tag_t tagOccCyl = NULL_TAG;
/ ?1 x( @- f( _& Y& M - tag_t tagOccVBlk= NULL_TAG;
, S3 b1 P6 [( V& {5 { - UF_PART_load_status_t ErrorStatus;
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. Y4 |4 |6 Q: s$ {" u- double dblzOrigin[ 3 ] = { 0, 0, 0 };
9 g0 r8 T0 D% o* J$ I( U% _ - double dblzCsysMatrix[ 6 ] = { 1, 0, 0, 0, 1, 0 };
. q) {( B9 o7 u# v - / z1 n; s$ ], }! p; a$ e
- /* 装入部件GB2208_80_Vblock.prt */
( J' z6 r. T, _1 ^% B - UF_ASSEM_add_part_to_assembly(
7 L4 K( c! O0 C7 K* | - UF_PART_ask_display_part(),. S, Z% Q7 U; t) S6 ?
- "f:\\ug\\chapter4_1\\GB2208_80_Vblock.prt",; K5 q' d o' K1 Q% {( ]9 D6 z+ [
- NULL,
( q" {* p5 c. R2 Y - "VBLOCK",3 Z# u/ [! V# f N& ~
- dblzOrigin,( Q! ~+ m0 M5 h; ~' V- c8 F
- dblzCsysMatrix,
' F% e8 P5 o$ ~7 J1 x5 T2 R) V; } - -1,
% m3 ]5 k% X6 c3 Q3 v - &tagInsVBlk,2 Y3 q" i; c' t. h9 b
- &ErrorStatus );1 n& ^3 a, T; t" d0 _/ d0 K) B0 p/ B
- /* 装入部件Cylinder.prt */
* [& x; [' u% L: \# G, _1 m - dblzOrigin[ 1 ] = 50;% E$ W5 S s. y3 y
- UF_ASSEM_add_part_to_assembly(" p* g. E( S* m7 Z p
- UF_PART_ask_display_part(),9 p9 w# k. t; M! }
- "f:\\ug\\chapter4_1\\Cylinder.prt",
: S {$ `* ^! G, B - NULL,
' m& d$ X& u3 N* o - "CYLINDER",5 ]& P7 e, {( K
- dblzOrigin,* a& w y$ T3 ?& a
- dblzCsysMatrix,( v V; \, o2 f1 {8 V
- -1,
6 |: F* J4 D* X; e" x - &tagInsCyl,; B5 K( d& C/ [. {' C
- &ErrorStatus );
8 m+ ]& m. m* C: L" G) M - tagOccCyl = UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsCyl );- w1 P& k6 M5 C; @' P3 S
- tagOccVBlk= UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsVBlk );
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. _! T H' k2 h, V- /* 创建配合关系 */9 g& O: v' X: E! l) j# w. }
- UF_ASSEM_mating_condition_t McData;
7 j" k- |4 e& N( X - tag_t tagObjectFrom = NULL_TAG;
/ [& o4 k, T* J2 L# N - tag_t tagObjectTo = NULL_TAG;: T D) @" P- x3 D
- tag_t tagPrototypeFrom = NULL_TAG;
2 y4 t- Q. ~* ]( M) o5 s - tag_t tagPrototypeTo = NULL_TAG;
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- /* 初始化约束*/# V, s1 z. |" a, E/ i
- UF_ASSEM_init_mc( &McData );9 d4 y* C$ h1 k1 a/ J% ]5 Y& {
- " R$ f6 ^2 u1 u' v% X5 C
- /* 定义约束,构造配合关系*/% D, X6 e0 a3 \' Y! I7 N9 B, Q6 P N* o
- McData.mated_object = tagInsCyl;
1 w: q7 l# D1 s7 W -
& M* Q# O6 _3 i& G, n5 H - McData.num_constraints = 3;
0 }7 p* t. [' h1 B - McData.name = NULL;
2 x6 N, Z- R* L/ i& f/ C' | - McData.user_name = false;
6 f6 d! }0 {3 {5 | - McData.override = false;
" W3 v/ b9 X+ R8 l1 E8 l8 d- Z - McData.suppressed = false;
1 p- F, v o1 U# K% n j( q4 p - McData.implicit = false;4 G$ C6 z& y7 v: A- c5 d+ F
- % v$ \* c( ~# h# c4 E
- tagObjectFrom = NULL_TAG;
! v9 D) Y* r( P' Z# K2 T - tagObjectTo = NULL_TAG;+ ~8 a, Q; ?/ q9 Q( Z! Q8 s4 a
- UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );2 _: F& C* m6 M- S$ i
- UF_OBJ_cycle_by_name( "P1", &tagObjectTo );
% n) Z& x% y. r. D - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );( P. V1 V/ q# a% e
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
3 d5 e+ [; I' L& ` - McData.constraints[ 0 ].from = tagPrototypeFrom;8 Y7 w3 I m( o/ Y$ {
- McData.constraints[ 0 ].from_part_occ = tagOccCyl;
% q' I) v6 l# i) S3 ` o - McData.constraints[ 0 ].from_status = UF_ASSEM_ok;
- |; @; X) {0 f! v - McData.constraints[ 0 ].from_type = UF_ASSEM_cylindrical_face;6 K" G! R5 W4 N+ O' |7 f
- McData.constraints[ 0 ].to = tagPrototypeTo;+ E* K# R x* a, m) p1 m
- McData.constraints[ 0 ].to_part_occ = tagOccVBlk;
# u5 Y" r: P- ?( G! @9 m, x - McData.constraints[ 0 ].to_status = UF_ASSEM_ok;
1 p! A7 G3 x7 {& P% c - McData.constraints[ 0 ].to_type = UF_ASSEM_planar_face;
! w* r+ [/ W7 Q' I8 ` - McData.constraints[ 0 ].mate_type = UF_ASSEM_tangent;2 w/ a) `$ h1 t9 P- g; ]3 S. j7 i, T
- McData.constraints[ 0 ].offset = NULL_TAG;
/ G. B1 X7 k" H$ G6 n2 L: }6 n - McData.constraints[ 0 ].name = NULL;4 w6 F* X" j, Q, j% g: N6 j
- McData.constraints[ 0 ].user_name = false;; ^5 d# k6 K; L$ M
- McData.constraints[ 0 ].inherited = false;7 [$ O9 Y H% I; h; ?( ~/ W
- McData.constraints[ 0 ].suppressed = false;
/ ?) h S! B; E Z9 {( }7 m - McData.constraints[ 0 ].has_help_point = false;
J. V, Z" O3 J+ h9 q; \ - UF_DISP_set_highlight( tagObjectFrom, 1 );
B" J4 \$ E, O4 y# _ n& l - UF_DISP_set_highlight( tagObjectTo, 1 );
. c0 ~! t" V0 k6 Z2 T+ k% o - uc1601( "这两个面进行相切操作", 1 );5 k1 [9 @" F# O; [4 P' n
- UF_DISP_set_highlight( tagObjectFrom, 0 );; I7 r2 h. [( N
- UF_DISP_set_highlight( tagObjectTo, 0 );0 v; F( U+ K1 J& G# }: \
- 0 w' P O5 c& I% H. @7 y
- tagObjectFrom = NULL_TAG;; E9 L+ U$ x. m" Y( j2 e, o4 L, j% a
- tagObjectTo = NULL_TAG;8 B5 @; q, @( b
- UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );' b/ @* y H( ~2 r
- UF_OBJ_cycle_by_name( "P2", &tagObjectTo );2 _* U* ?& b+ A9 O
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
" _- ]6 [1 ?) D+ E - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
8 t1 Y$ h0 j5 _! Z - McData.constraints[ 1 ].from = tagPrototypeFrom;
6 `- g7 }6 D2 T2 R1 k4 k' g3 } - McData.constraints[ 1 ].from_part_occ = tagOccCyl;
0 T+ ]+ H) _7 c. X - McData.constraints[ 1 ].from_status = UF_ASSEM_ok;" Z+ G8 u* u [3 n5 I* z
- McData.constraints[ 1 ].from_type = UF_ASSEM_cylindrical_face;$ |* x |, s* k8 _: o6 E2 s
- McData.constraints[ 1 ].to = tagPrototypeTo;
9 u2 Q. X, C/ E) ^+ W% k+ c; |1 d - McData.constraints[ 1 ].to_part_occ = tagOccVBlk;
" K- ^3 |+ {4 ^. w) h# l - McData.constraints[ 1 ].to_status = UF_ASSEM_ok;
5 [* r0 L0 `; b" {8 r( d6 R; b; c - McData.constraints[ 1 ].to_type = UF_ASSEM_planar_face; {, t; B# ?! j9 Y' b1 [, s, R
- McData.constraints[ 1 ].mate_type = UF_ASSEM_tangent;
& [: s0 H) b" _4 R# P - McData.constraints[ 1 ].offset = NULL_TAG;- b9 m( T. {& k
- McData.constraints[ 1 ].name = NULL;
6 ^* T2 T! d8 b - McData.constraints[ 1 ].user_name = false;
: G* p2 [5 `) X' \5 A9 k, b - McData.constraints[ 1 ].inherited = false;
! I% S- i( s' X7 y - McData.constraints[ 1 ].suppressed = false;
* Y% ?4 K( T& G) D7 n - McData.constraints[ 1 ].has_help_point = false;* H% A. |$ l0 a* X) R, F
- UF_DISP_set_highlight( tagObjectFrom, 1 );7 c* _! U; G) n& S
- UF_DISP_set_highlight( tagObjectTo, 1 );3 Y* I; q: X* x; l' x
- uc1601( "这两个面进行相切操作", 1 );
( M. K9 y5 i# i6 B - UF_DISP_set_highlight( tagObjectFrom, 0 );
% O5 s; h$ X* @ - UF_DISP_set_highlight( tagObjectTo, 0 );
* O7 ~& H' r- D8 S- H - 4 u8 H* e) g+ ]9 d
- tagObjectFrom = NULL_TAG;
: d2 N1 P& q) |6 o4 B( y. ~ - tagObjectTo = NULL_TAG;
% c: M3 D# f }0 d% G, k7 e! l - UF_OBJ_cycle_by_name( "CYL_FACE_1", &tagObjectFrom );
5 m# k% s4 D5 B1 Q3 `% C, l - UF_OBJ_cycle_by_name( "P3", &tagObjectTo );
C+ K) p2 O7 G' C6 a - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
9 R9 w8 O. F8 z+ y8 b! Z9 D' }* h - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );, H& B: E4 ~3 B6 b# Y
- McData.constraints[ 2 ].from = tagPrototypeFrom;" s6 C8 @# Z( v' \+ M2 J
- McData.constraints[ 2 ].from_part_occ = tagOccCyl;
9 B2 t2 S- I, O1 f+ ]2 v D5 { - McData.constraints[ 2 ].from_status = UF_ASSEM_ok;1 \4 S/ d; Z% B/ o5 M" t
- McData.constraints[ 2 ].from_type = UF_ASSEM_planar_face;
* u5 L( p0 h, |) r - McData.constraints[ 2 ].to = tagPrototypeTo;
) o! }1 C) M0 {, s' h8 T - McData.constraints[ 2 ].to_part_occ = tagOccVBlk;
" X, y0 z& X9 ]- w - McData.constraints[ 2 ].to_status = UF_ASSEM_ok;
4 z \6 l7 J, x- T0 K! o- p - McData.constraints[ 2 ].to_type = UF_ASSEM_planar_face;9 m. s3 m: W* P0 E# w; h4 Y
- McData.constraints[ 2 ].mate_type = UF_ASSEM_align;
/ E" O+ v( F% i1 g* Y3 d L! C9 ^ - McData.constraints[ 2 ].offset = NULL_TAG;
) T" Z5 Q' T- n - McData.constraints[ 2 ].name = NULL;6 [/ m: a6 v* F+ D4 z
- McData.constraints[ 2 ].user_name = false;! O$ g' e+ l9 O# \* x" ^: e
- McData.constraints[ 2 ].inherited = false;5 [/ {( b6 h0 O
- McData.constraints[ 2 ].suppressed = false;9 ?. T! @6 A: r7 i2 V4 x* D" D
- McData.constraints[ 2 ].has_help_point = false;
7 G, ]# ?7 X2 X - UF_DISP_set_highlight( tagObjectFrom, 1 );4 g" j' c7 X( u) ^9 |
- UF_DISP_set_highlight( tagObjectTo, 1 );) H# T9 G2 k4 U1 o, c
- uc1601( "这两个面进行对齐操作", 1 );
T- t g) }' l - UF_DISP_set_highlight( tagObjectFrom, 0 );+ U/ i: [4 w% p4 e/ Q; y
- UF_DISP_set_highlight( tagObjectTo, 0 );5 d7 `, c. A& O3 m/ g
- + H& y" L' ~# j: A1 t, e
- double dblzTransform[ 4 ][ 4 ];8 Z1 e) }9 y, L6 F8 m
- UF_ASSEM_dof_t Dof;- ?7 X" T a) ?
- UF_ASSEM_mc_status_t Status;
" G& L+ }" R/ B# a+ |
$ q3 ~: U/ K* _: L1 i7 N- * ]4 d9 B" ?0 s/ @. w, v0 x
- /* 求解约束*/
j& t, o& ~) w& }7 s" b - UF_CALL( UF_ASSEM_solve_mc( &McData, &Status, &Dof, dblzTransform ) );
3 O i9 w8 }0 h7 S4 J/ z- d( A - if ( UF_ASSEM_mc_solved == Status )4 p, Q5 _" h9 c; C8 z* N
- {1 [! [7 E6 r w
- uc1601( "求解约束成功!", 1 );* l, d" a! B, t& P' _4 v6 j
- UF_ASSEM_mc_structure_state_t StructStatus;; o. G0 V% v: C1 d2 c
3 p! J- n; i; e* F' B- /* 将约束应用到装配体上*/
( _$ k* F1 t, V$ q2 J; m9 x) D - UF_CALL( UF_ASSEM_apply_mc_data( &McData, &StructStatus, &Status ) );+ R. M+ q0 X- O2 z
- if ( UF_ASSEM_structure_ok == StructStatus ) o: W& D. \$ }) G! _( e
- {. J& j! {' r- l1 J
- uc1601( "应用装配成功!", 1 );1 ]# |- v4 h( A3 q
- 2 [& w! a& H5 x2 e: Z5 _/ p
- /* 更新模型*/. l4 W2 b5 b0 W" f; U
- UF_MODL_update();9 t3 B- S; {7 W2 `0 ^9 d
- UF_DISP_refresh();8 g7 v' s1 Z2 `3 Z' [5 v# |
- }
* \2 M0 ? i C$ l2 `7 n3 E( n; h - else uc1601( "应用装配失败!", 1 );9 V# X- P& w4 D/ c. e, k. E# E9 s
- }! p9 y W+ @+ l0 S; m
- else uc1601( "求解约束失败!", 1 );/ K# m6 D( S6 _' _
- }3 J$ {) r! K1 `( t. o/ H1 `
- }# b$ m- @: O1 A9 U: W; J
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