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使用UFUN进行UG NX二次开发: 装配设计技巧及步骤3 ?& }/ X& d/ |& H5 O/ y
9 c3 q3 R5 p) Q/ \$ Z& d$ B4 P4 P% K# j( P
1、装入部件
. |) k `5 }2 [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;2 G' Z+ d) \* _) u1 ~& f* e
3 B, @; L) E5 ]' ~4 z" s2、创建配合关系
( a C/ {1 P! V5 D( x$ qa.通过函数UF_ASSEM_init_mc()初始化约束;
; Z" u o0 g2 Z6 Hb.定义约束关系,即填写结构UF_ASSEM_constraint_s中信息;, u' J' @- L" T- s+ v. `3 |
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。
9 V2 x) G0 u4 L' ~# Wc.通过函数UF_ASSEM_solve_mc()求解约束;" \; Z0 [. C% f0 N
d.通过函数UF_ASSEM_apply_mc_data将约束应用到装配体上;
& j1 t. }) ]8 Z0 e) Oe.通过函数UF_MODL_update更新模型。) T' t5 Q3 Z/ @2 e! X
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- #include <stdio.h>
! X5 f9 d2 A2 i$ [' z. U4 H2 F - & P2 v6 `. {4 {7 W4 Y9 d
- #include <uf.h>
+ B& B$ n# v9 \7 l - #include <uf_ui.h>% D ] I3 I. t
- #include <uf_obj.h>
" J! x: h9 d. D, a( \ - #include <uf_disp.h>
+ E4 ~4 }! P% I. d1 j - #include <uf_modl.h>
- b/ k. w+ K* |1 M& G% P - #include <uf_part.h>0 {: n) C+ h8 r( Y0 O7 W, g' r
- #include <uf_assem.h>3 R3 D( T. c5 v" Z4 R! m% R6 W
- 0 i- ~; _2 X9 K# w" y9 Z8 Z) `6 W
- #define UF_CALL( X ) ( report( __FILE__, __LINE__, #X, ( X ) ) )# G1 [( Z( G! i0 k
- . K# o* I3 `8 ]' d: K
- int report( char *file, int line, char *call, int irc );* c+ f+ [% o1 h R; r) `( Q$ f% V
- void DoAssembly( void );4 L; V4 J. D- W; T+ H
" A( W0 ~$ s( @- int report( char *file, int line, char *call, int irc ) P2 L( L6 c7 |6 s; p/ O
- {
, i( x9 k. }( W1 t- X3 T0 H - if ( irc )
+ w# p' h/ r M! l$ O# E - {+ q5 L* o2 s& e f5 j
- char err_msg[ UF_UI_MAX_STRING_LEN + 1 ];' P$ q3 |9 ]% l# V
- char msg[ 133 ];
; V% k, C9 k# h - char fail_message[ 133 ];
2 D1 |' f4 O; V! T% E - int len;
+ }2 K9 {- d/ C4 Y* }; J
$ m& g( a. i" q- UF_get_fail_message( irc, fail_message );. y* X) t, C# v; r0 H }4 R# z
w9 t+ } Q" v8 J6 ~- sprintf( err_msg, "%s, line %d: error %d: %s", file, line, irc, fail_message );
8 l" f( K' T! o: E& {) ^ - " \2 ^& g0 H7 J
- len = strlen( err_msg );
9 U1 S) u5 m2 D5 o' w" b+ @ - len = ( len < 131 ) ? len : 131;# M* V# A5 b' q# t) y v
- strncpy ( msg, err_msg, len );8 P* D; Q$ ?) @* s1 T5 l: _
- msg[ len + 1 ] = '\000';% @' m$ S) V* X" T
1 U0 _- ^* b. y+ [ s. _7 Q% V- uc1601( err_msg, TRUE );
4 _- N7 E9 G U; s - }
0 }- h. i, h! v7 q1 o7 A - return( irc );
; a4 e) I) x+ }$ Z% ?, y) b - }5 G: A* ~" g% m* k. F
- ! g' q7 E5 t$ [% i8 a/ J% F6 `
- extern DllExport void ufusr( char *parm, int *returnCode, int rlen )5 b, J y! S& |- m( z+ ]- p% P
- {
$ I2 g$ d( o& n% s - if ( UF_initialize() ) return;# J3 s5 e9 y' Z% l" M) m& |5 C
- DoAssembly();2 F$ I# j; Z/ v" c
- UF_terminate();+ L+ C% b, ?6 Y3 Y: G
- }
0 j" M4 v9 Z: s: N% L* p
0 L& l5 X, k! @- void DoAssembly( void )
5 T, ~1 v( A* p n" p; U - {
7 j$ D, g8 u8 |: {3 l. u' A - if ( NULL_TAG == UF_PART_ask_display_part() )( @: A- y/ K: b- C" g, Z/ }& R
- {6 f3 t8 [9 K& h% f
- uc1601( "请新建一个文件再进行本操作!", 1 );3 J8 P; @; ~4 r& Q8 u' o# ^) l+ r& m
- return;
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+ |8 E) m$ D- a: W0 c/ ]" g- tag_t tagInsCyl = NULL_TAG;
2 [5 [0 k1 P3 g: C - tag_t tagInsVBlk= NULL_TAG;
7 [" l; I& n2 V0 W$ U - tag_t tagOccCyl = NULL_TAG;& b5 [8 \6 H+ c- q( y2 t
- tag_t tagOccVBlk= NULL_TAG;
1 p7 F( u0 d8 U" q - UF_PART_load_status_t ErrorStatus;
" v/ @% @+ F8 l9 G
3 E% D/ {: [2 T5 }* d- l7 D' `: a7 t- double dblzOrigin[ 3 ] = { 0, 0, 0 };
" u6 L5 o# i6 }* o6 ~& Q: M - double dblzCsysMatrix[ 6 ] = { 1, 0, 0, 0, 1, 0 };7 c$ ]: U' z; P) \# F. B+ Z: ~
- * b U8 f+ F9 `1 B/ z* S; i
- /* 装入部件GB2208_80_Vblock.prt */7 w. u( J" q# t. b6 ]% c
- UF_ASSEM_add_part_to_assembly(, c$ Y* f) K b6 c2 q
- UF_PART_ask_display_part(),
' j: ]9 L' g3 ^" W e* Y- S - "f:\\ug\\chapter4_1\\GB2208_80_Vblock.prt",- ]1 p; z' Z7 m6 C& E
- NULL,
* L# p2 J9 h/ ]- l. @ - "VBLOCK",
' M! V' c; f+ m! t - dblzOrigin,$ f3 F( y5 A8 D6 p) K
- dblzCsysMatrix,! }9 M i% g" c& z) G9 b2 V$ r
- -1,
3 H! t4 \2 L) U, U - &tagInsVBlk,; ?$ Z) t( F2 ?, Y8 g
- &ErrorStatus );
& T# F: W* ^2 f; d+ a; Z- { - /* 装入部件Cylinder.prt */
, q! J o e" w+ h9 z - dblzOrigin[ 1 ] = 50;
6 ~6 H! \% p9 X2 I8 @ - UF_ASSEM_add_part_to_assembly(# p" v* G0 E( H6 ^% ~& O3 [
- UF_PART_ask_display_part(),7 U: R% y# w& N% i- s0 @! m1 v
- "f:\\ug\\chapter4_1\\Cylinder.prt",
4 M/ n2 O3 e9 T0 f$ z" o6 t7 m - NULL,
% c. `% _( i: F4 _ - "CYLINDER",
4 h5 k0 S9 k' M - dblzOrigin,+ D+ u3 }' b$ k% g" _7 A8 s
- dblzCsysMatrix,
# ? F! m& E. w$ t3 D3 x; ~ - -1,- w6 e+ y, w7 g& c+ G) C5 {, N
- &tagInsCyl,
) L- P, w* P7 q0 O2 { - &ErrorStatus );
# U% [! f- g2 A9 B: I - tagOccCyl = UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsCyl );
: F! e3 w4 r6 s$ G$ _ d - tagOccVBlk= UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsVBlk );0 A% X; e: q: P& S% p
" K7 V F3 h3 g9 w( e: T- /* 创建配合关系 */1 S+ r& a& d7 r* |2 ~
- UF_ASSEM_mating_condition_t McData;! A( A- P, N* N
- tag_t tagObjectFrom = NULL_TAG;3 O9 _, K. I1 p% d0 h0 ]% D
- tag_t tagObjectTo = NULL_TAG;3 t6 ^8 q/ v, y2 ?& |4 Q! ?
- tag_t tagPrototypeFrom = NULL_TAG; Q; [$ s1 w+ P# g; i# v& S5 C9 y
- tag_t tagPrototypeTo = NULL_TAG;
* _9 j: I+ C2 D/ a0 P -
, i g& ?- `" `& F/ U/ ^ - /* 初始化约束*/% A) O) }" s1 W( t% t
- UF_ASSEM_init_mc( &McData );
: H! c; v9 B: g, @7 h - 1 ]8 g6 H3 L* l; |
- /* 定义约束,构造配合关系*/
7 ~1 x* [* `7 o) ], X; x9 R - McData.mated_object = tagInsCyl;& G# F; f: \" g8 p1 m% j" }
-
% A, u6 K) E" a" m* k0 [ - McData.num_constraints = 3;; j9 ~" L! T& f, A- k1 t
- McData.name = NULL;
/ E% ^* p' s9 y# [: u! u - McData.user_name = false;
; c, M7 |% k* k; J3 V7 E0 Q - McData.override = false;2 r. | q2 l0 l, l8 g2 {
- McData.suppressed = false;4 {1 T3 W4 C/ x$ T' W% n7 C
- McData.implicit = false;) E" q [! M; I, \6 f/ J% E6 I0 [
6 W, ]2 i. L7 S }% l8 e- tagObjectFrom = NULL_TAG;1 @- b& O' B: |5 P3 W6 x$ P
- tagObjectTo = NULL_TAG;5 {5 c& o" V, y8 x
- UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );
) m1 W# g" _0 @& h d - UF_OBJ_cycle_by_name( "P1", &tagObjectTo );1 }* E2 N4 ^6 e; W O- Y
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );1 _( K) J! `# ?! r" @' E
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
$ t4 b; c: X5 C+ i" ] - McData.constraints[ 0 ].from = tagPrototypeFrom;% D$ U r Q5 j2 x6 a, L
- McData.constraints[ 0 ].from_part_occ = tagOccCyl;. e" v" s3 ?8 `. s
- McData.constraints[ 0 ].from_status = UF_ASSEM_ok;
. G% `& @+ I& A - McData.constraints[ 0 ].from_type = UF_ASSEM_cylindrical_face;
2 a" G5 H4 O _7 c - McData.constraints[ 0 ].to = tagPrototypeTo;: _! J; r0 l& ]% K8 P
- McData.constraints[ 0 ].to_part_occ = tagOccVBlk;
. l8 I2 n% ?' G! T1 Z7 l/ \ - McData.constraints[ 0 ].to_status = UF_ASSEM_ok;# @$ Y4 u$ d" d5 j) j+ ]
- McData.constraints[ 0 ].to_type = UF_ASSEM_planar_face;" ?6 V: {! u* K8 m3 q- Q
- McData.constraints[ 0 ].mate_type = UF_ASSEM_tangent;4 ]) w: o8 e& B8 N& ]
- McData.constraints[ 0 ].offset = NULL_TAG;: S, R. D% ~3 W
- McData.constraints[ 0 ].name = NULL;4 f- \ i% V7 k5 q
- McData.constraints[ 0 ].user_name = false;
" q7 ^# ^+ ]& d% o+ F: `# A P! @! Z - McData.constraints[ 0 ].inherited = false;1 ]4 F" H4 m5 r& ^! z' s, y C
- McData.constraints[ 0 ].suppressed = false;
3 B- Q) d+ `8 C* f. U+ ] u. t - McData.constraints[ 0 ].has_help_point = false;* [- a& v5 v ]2 T
- UF_DISP_set_highlight( tagObjectFrom, 1 );
4 f2 q3 ~: n4 Y, C1 g. I - UF_DISP_set_highlight( tagObjectTo, 1 );
( Q7 O' Z' [7 v+ l& A$ [0 L - uc1601( "这两个面进行相切操作", 1 );* n& {$ w! p% i4 A" S
- UF_DISP_set_highlight( tagObjectFrom, 0 );
& a/ \, d* E4 z; } - UF_DISP_set_highlight( tagObjectTo, 0 );# U: X. n o9 m. ?
- + a* Y9 @: @& j: m0 k. e5 R
- tagObjectFrom = NULL_TAG;) Z- g1 ]5 Y z# g$ j! A
- tagObjectTo = NULL_TAG;
* M$ u5 P; a* S, O6 D - UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );% S' f2 y8 U2 @/ {
- UF_OBJ_cycle_by_name( "P2", &tagObjectTo );$ t; c" ~/ u% k# R" v. z
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );8 s- `3 Q) L3 c& }7 k5 S4 |. t+ z
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );: b3 K. O9 b- U9 p4 T
- McData.constraints[ 1 ].from = tagPrototypeFrom;& f, A8 r7 K9 X/ {! e1 E
- McData.constraints[ 1 ].from_part_occ = tagOccCyl;8 s- A% T. T7 r( L, P
- McData.constraints[ 1 ].from_status = UF_ASSEM_ok;
7 Y- N! ~7 x0 B7 p - McData.constraints[ 1 ].from_type = UF_ASSEM_cylindrical_face;$ q" ^: k! O9 }5 f
- McData.constraints[ 1 ].to = tagPrototypeTo;& U' q7 V- E7 Y
- McData.constraints[ 1 ].to_part_occ = tagOccVBlk;: u/ }. n ^! B5 z. z; V; K2 X& l
- McData.constraints[ 1 ].to_status = UF_ASSEM_ok;5 k( A& G- c1 d
- McData.constraints[ 1 ].to_type = UF_ASSEM_planar_face;% X8 v; J" Z6 T8 s/ U9 o( I
- McData.constraints[ 1 ].mate_type = UF_ASSEM_tangent;
* W0 ^8 Q6 _9 q! C- D, c - McData.constraints[ 1 ].offset = NULL_TAG;
# x/ V8 v# q" [' \. i& f - McData.constraints[ 1 ].name = NULL;
0 u( N; }8 z$ y' D - McData.constraints[ 1 ].user_name = false;
6 d9 ~, Q( C# n - McData.constraints[ 1 ].inherited = false;
# _- {) K) B; d1 n4 F% J7 i - McData.constraints[ 1 ].suppressed = false;# _: @- r0 z1 c1 c5 `
- McData.constraints[ 1 ].has_help_point = false;
- S/ T% p7 g$ j - UF_DISP_set_highlight( tagObjectFrom, 1 );/ B2 H8 V0 a0 t' F
- UF_DISP_set_highlight( tagObjectTo, 1 );# ^3 v C8 e( |
- uc1601( "这两个面进行相切操作", 1 );
9 W) M4 H J/ K: g4 o7 R - UF_DISP_set_highlight( tagObjectFrom, 0 );' H2 t, o Y, i: I/ L( l( N) C5 A
- UF_DISP_set_highlight( tagObjectTo, 0 );7 L4 [3 }8 U2 ^1 E# k8 J
- 5 k3 D, J6 }( j7 M3 p8 o
- tagObjectFrom = NULL_TAG;2 R' ^. O0 C$ A% c6 c
- tagObjectTo = NULL_TAG;) X9 ?! i2 X9 y( I3 R
- UF_OBJ_cycle_by_name( "CYL_FACE_1", &tagObjectFrom );
* c1 s0 _& o p- T# b - UF_OBJ_cycle_by_name( "P3", &tagObjectTo );
) k+ P. `" C) w7 r9 H% e - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
) L7 \% X: y- P7 z9 k' f - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
7 ]3 Y9 A" D; S8 Z0 \. D - McData.constraints[ 2 ].from = tagPrototypeFrom;$ ` [& ~) @ I1 W0 n0 B
- McData.constraints[ 2 ].from_part_occ = tagOccCyl;
; O' j6 F, h& g8 @" P9 m/ I - McData.constraints[ 2 ].from_status = UF_ASSEM_ok;
# I: X% T1 U# j( ` - McData.constraints[ 2 ].from_type = UF_ASSEM_planar_face;
1 x; x! w; _' N) K - McData.constraints[ 2 ].to = tagPrototypeTo;) M. Z$ m' ~" ]# |
- McData.constraints[ 2 ].to_part_occ = tagOccVBlk;; D" K; S5 N9 [/ c5 S$ Y7 S
- McData.constraints[ 2 ].to_status = UF_ASSEM_ok;
7 X+ m" J# _! h8 a - McData.constraints[ 2 ].to_type = UF_ASSEM_planar_face;, N% o. \3 E. W! ]
- McData.constraints[ 2 ].mate_type = UF_ASSEM_align;
' d) Z9 c( I) ~ - McData.constraints[ 2 ].offset = NULL_TAG;
8 T3 A$ h' K6 g - McData.constraints[ 2 ].name = NULL;2 Q. [+ Q& Q4 _' f2 O- [$ X
- McData.constraints[ 2 ].user_name = false;# a( B+ F( P0 N; P2 N& U! {9 d
- McData.constraints[ 2 ].inherited = false;* a3 r" d6 u+ j! o& o4 D+ M
- McData.constraints[ 2 ].suppressed = false;
, m. V: q$ a+ Q2 [ - McData.constraints[ 2 ].has_help_point = false;" U3 |4 X) y9 U" P& u9 l, e6 b
- UF_DISP_set_highlight( tagObjectFrom, 1 );0 Y- G, h4 x3 F. Q" |; h
- UF_DISP_set_highlight( tagObjectTo, 1 );5 M+ u: a: K+ w: n% r; T0 r
- uc1601( "这两个面进行对齐操作", 1 );; z; B7 ]: R8 n1 L$ O, f& h% U
- UF_DISP_set_highlight( tagObjectFrom, 0 );( k" r! L& F0 H7 _
- UF_DISP_set_highlight( tagObjectTo, 0 );
4 e4 N$ b3 d4 f- I! A6 |4 w5 k - 4 s: ~4 s2 @, Z' F
- double dblzTransform[ 4 ][ 4 ];
0 `! c! f+ B6 m- g4 J: ?# x( h - UF_ASSEM_dof_t Dof;
7 S; R H8 w, P9 Q - UF_ASSEM_mc_status_t Status;
7 f" F! _" }# D3 n7 d# ` - + w0 X2 r# D9 Q. s( C4 `
2 Z* T! j3 t+ L) ^/ s( m1 \# R- /* 求解约束*/# z0 q+ g6 w9 _" W
- UF_CALL( UF_ASSEM_solve_mc( &McData, &Status, &Dof, dblzTransform ) );0 x5 Q" U: ?7 Y: g; {& M) D P# X* |
- if ( UF_ASSEM_mc_solved == Status )- F7 ~. _8 D. D2 o; |& [1 \
- {
( y" f/ r# K6 a0 V/ K& m& _" \ - uc1601( "求解约束成功!", 1 );9 ?$ g' m8 U y' j0 D( H
- UF_ASSEM_mc_structure_state_t StructStatus;. w$ o2 ~ R, \# T
- - C0 P$ k. V' C6 k& Z
- /* 将约束应用到装配体上*/
8 B6 H1 R& [+ }/ g% m0 |: k - UF_CALL( UF_ASSEM_apply_mc_data( &McData, &StructStatus, &Status ) );
$ H) }0 G f1 W+ B - if ( UF_ASSEM_structure_ok == StructStatus ) 2 p/ c, G" J5 c8 O3 D. n
- {! M5 w7 b w8 `% p" Z
- uc1601( "应用装配成功!", 1 );! [5 p3 Q! j7 w/ O
-
. S' m: u" ^1 Q. m2 d* _# z: P - /* 更新模型*/
1 A* T5 Q, n3 z) e, j' X; M - UF_MODL_update();
: Y4 L4 a& u, F- Z7 K5 }. k+ n - UF_DISP_refresh();& p; y/ o% S) H" j4 O& j6 r- e! _
- }0 q. M* ?1 O4 B
- else uc1601( "应用装配失败!", 1 );
A6 [* u1 W* o6 |$ b - }* |* y R: N2 T1 J0 U0 t
- else uc1601( "求解约束失败!", 1 );
1 q' q+ j5 l) W) k5 C* ^ - }# d* d, k( i# K& g
- }
$ B. g5 S$ }4 O/ j3 N
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