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使用UFUN进行UG NX二次开发: 装配设计技巧及步骤9 y- g7 Z7 w# A8 f% l
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0 T8 J+ i1 y2 P8 ^$ p1、装入部件( ?$ p9 M4 _4 {. V
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;
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2、创建配合关系- b$ u) t: [- ^) H5 A
a.通过函数UF_ASSEM_init_mc()初始化约束;9 D3 C/ K! m$ R& ~" G6 m, L
b.定义约束关系,即填写结构UF_ASSEM_constraint_s中信息;* y: _: ]$ m" E- z0 E
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。6 X3 ~1 X: N2 X3 i+ m8 a7 y8 n
c.通过函数UF_ASSEM_solve_mc()求解约束;
7 G+ y7 j G- a0 H# ^. hd.通过函数UF_ASSEM_apply_mc_data将约束应用到装配体上;7 g7 |. n+ B% I5 C7 }: U
e.通过函数UF_MODL_update更新模型。
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- #include <stdio.h>4 U8 K4 u6 y y2 o" I/ K
- 3 ?7 \8 e: [5 b3 b0 u8 Y
- #include <uf.h>
1 w! |! w; g; D. c1 Y5 ]+ {1 R5 A - #include <uf_ui.h>
9 c9 f" y3 e! t - #include <uf_obj.h>
1 t, [0 ]+ x* J) y - #include <uf_disp.h># ]5 ^1 Z! g% y _6 w' q
- #include <uf_modl.h>: v* @4 E% b8 C1 e7 P9 p* F
- #include <uf_part.h>! X. r5 G! Z. O" d' B6 t
- #include <uf_assem.h>
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8 X/ K4 T; c8 d- L- #define UF_CALL( X ) ( report( __FILE__, __LINE__, #X, ( X ) ) )
% ^8 K' a8 C! A- z1 C8 l+ R7 {
* I3 J: J5 ^ J- int report( char *file, int line, char *call, int irc );) @0 Q1 h: q5 ^) b! p: p! _
- void DoAssembly( void );
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- int report( char *file, int line, char *call, int irc )
4 G8 `9 q7 u. f$ b - {+ @. `: r- `: G; A# ^
- if ( irc )5 D/ S, V6 n* ?3 Y! Y
- {
# R, s S* d4 q- q - char err_msg[ UF_UI_MAX_STRING_LEN + 1 ];+ o& O7 x+ ]# ^% N( \
- char msg[ 133 ];
/ Q: ~( ]( {/ U/ @) q2 T - char fail_message[ 133 ];. {& _$ B6 q, a9 j
- int len;
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1 r8 M! u7 F+ t- UF_get_fail_message( irc, fail_message );
: w* M/ i2 p) i2 S - " w: V+ j/ L, W* J9 N. Z8 a& P
- sprintf( err_msg, "%s, line %d: error %d: %s", file, line, irc, fail_message );
0 D8 k$ a" L# L3 N5 c& \6 M4 D
9 D* s1 }& L+ R. _* K' y- len = strlen( err_msg );
/ u8 j# t% ~1 r% I6 S! N* A4 Y - len = ( len < 131 ) ? len : 131;- m5 G( o) B- k1 V9 Q1 i9 o% a: ~
- strncpy ( msg, err_msg, len );
) T7 G! Q5 P9 _9 o# N - msg[ len + 1 ] = '\000';
0 I* A8 g+ K# ]* L
0 c: C% m9 E P% ` M- uc1601( err_msg, TRUE );
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- return( irc );
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" B% ~# a; S- K, s3 L - - _3 M8 X$ }6 E$ l' S; ^7 ]
- extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
- {4 m3 b' b& H - {: ?. U! j3 ]# x+ u
- if ( UF_initialize() ) return;
( c! s- Z1 c8 X) e9 v8 z c - DoAssembly();7 y9 V/ K5 U& a8 y; A9 y
- UF_terminate();
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9 m# A, o2 {# L3 f) r: b- void DoAssembly( void )
5 f0 i }: x K1 _& T- S - {
" w, I' S6 B2 `6 G2 U; | - if ( NULL_TAG == UF_PART_ask_display_part() ): x6 z$ P. \: C' ]$ R
- {
, M- { K- ]; Y( P' y - uc1601( "请新建一个文件再进行本操作!", 1 );
1 G4 i1 a& t( m( V, j% x+ Z' k - return;
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3 w m* V) ?# P7 Z1 g3 o" K- tag_t tagInsCyl = NULL_TAG;
% f7 B u4 b$ ] - tag_t tagInsVBlk= NULL_TAG;
. u: ]0 b* \6 Q - tag_t tagOccCyl = NULL_TAG;
. L/ f% K% F! j+ g7 Y - tag_t tagOccVBlk= NULL_TAG;
. \0 |$ D* E# N- H - UF_PART_load_status_t ErrorStatus;
: R* A7 _4 M/ @9 [2 ?
- ?7 j8 g& I7 Q7 s& [- double dblzOrigin[ 3 ] = { 0, 0, 0 };
& f- Y7 u c7 A- [) B8 c - double dblzCsysMatrix[ 6 ] = { 1, 0, 0, 0, 1, 0 };
: q5 S+ r; q: ]
) S" w1 g9 u& G- /* 装入部件GB2208_80_Vblock.prt */8 D5 n1 ^8 D6 k) _. j
- UF_ASSEM_add_part_to_assembly(" j, h ^2 L( s& I/ g
- UF_PART_ask_display_part(),: V$ P3 I% e% x, L4 ?
- "f:\\ug\\chapter4_1\\GB2208_80_Vblock.prt",$ H( V* c( |* ?3 Q4 z* ?% x$ B# h
- NULL,
* C5 I4 X9 x" L( ? - "VBLOCK",
. e. Z! s3 G& R# V) K7 D) d - dblzOrigin,
! M8 w* E% R* n8 n, j3 a/ ` - dblzCsysMatrix,
# P% H6 n1 c3 T6 T* {0 I - -1,
8 E5 [% c* l* ?9 Y% F - &tagInsVBlk,
' y" Z# W1 r5 L$ \% \' C; Y { - &ErrorStatus );+ L9 N1 q& X" P3 Z" v
- /* 装入部件Cylinder.prt */
* [/ y$ b8 Q+ U# A5 c# @7 u. a - dblzOrigin[ 1 ] = 50;
3 Y1 g% C! v* i; m6 @' ^ - UF_ASSEM_add_part_to_assembly(; x1 O1 F$ ^9 R
- UF_PART_ask_display_part(),) h. F9 |3 G" r+ v/ u: ~
- "f:\\ug\\chapter4_1\\Cylinder.prt",6 w2 [- R5 D2 g3 E. R
- NULL,
. _2 D# G1 n, \- d, p* r. g - "CYLINDER",
' Q" I, ?0 _7 q" r6 U) U u0 X; S - dblzOrigin,
4 V% C" ?. ^- ?+ D - dblzCsysMatrix,
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- &tagInsCyl,
) u0 _2 D; Z( b. t) _) G1 r - &ErrorStatus );7 v) G: @! u# m+ ?- O
- tagOccCyl = UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsCyl );+ w1 U, Y* r1 O: g( n$ ] o" B4 A
- tagOccVBlk= UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsVBlk );, L" M$ e r9 T/ q
- " |. k' V- z! s2 n
- /* 创建配合关系 */ V) N0 l3 z s9 j: j- ] V' y
- UF_ASSEM_mating_condition_t McData;
, N! w( a! n" }% [# o; F - tag_t tagObjectFrom = NULL_TAG;$ d4 T! J8 s) b2 h
- tag_t tagObjectTo = NULL_TAG;6 C9 r. |4 k: I4 }& _7 I7 ~# T
- tag_t tagPrototypeFrom = NULL_TAG;/ X! _9 q4 i* D: U8 u
- tag_t tagPrototypeTo = NULL_TAG;
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- /* 初始化约束*/, }$ P% g0 u& D/ r
- UF_ASSEM_init_mc( &McData );: p( Q1 f% ~* T+ B7 w
; m. l1 W6 B, z- V; h0 b- /* 定义约束,构造配合关系*/
# `7 k2 l/ e# g2 Y( v - McData.mated_object = tagInsCyl;
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- McData.num_constraints = 3;, P8 S+ }) b2 I' U4 p: P* @
- McData.name = NULL;& b* l5 }7 h( {" N! }0 b
- McData.user_name = false;
* o- ]) h) y+ n7 N. u8 r% V4 X - McData.override = false;+ b7 J3 ~* `% B8 U# V
- McData.suppressed = false;* p6 s+ e- C% a E) l& u+ T
- McData.implicit = false;
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- tagObjectFrom = NULL_TAG;0 I4 o) D% Q8 {* p6 w" `$ [; A+ [1 @
- tagObjectTo = NULL_TAG;
% l- \; g& e# o8 e2 O* I - UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );
9 l6 r0 ~- U9 ?8 C+ { b! ^ - UF_OBJ_cycle_by_name( "P1", &tagObjectTo );9 Z/ }; m2 E t- y
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
0 X( e' D8 ? s4 v4 ~' C, e! g) G - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );- k* q2 B$ |% q6 g0 s8 a) Z
- McData.constraints[ 0 ].from = tagPrototypeFrom;
* K T/ Y# M' W: `+ Q# u8 U3 Z - McData.constraints[ 0 ].from_part_occ = tagOccCyl;
6 y! P# T: |' _" B- H! z - McData.constraints[ 0 ].from_status = UF_ASSEM_ok;
" K v" |& l, Q2 z - McData.constraints[ 0 ].from_type = UF_ASSEM_cylindrical_face;1 [( A4 u8 Q8 J8 w" s! Q* x& z
- McData.constraints[ 0 ].to = tagPrototypeTo;$ q6 k/ Z0 g& q8 X% | ]7 ~" b9 t
- McData.constraints[ 0 ].to_part_occ = tagOccVBlk;$ H( _9 x; }7 k. s$ f H( Y3 Y
- McData.constraints[ 0 ].to_status = UF_ASSEM_ok;
2 {+ r9 Y* b: D - McData.constraints[ 0 ].to_type = UF_ASSEM_planar_face;* {, [: Y8 S& T$ L9 q
- McData.constraints[ 0 ].mate_type = UF_ASSEM_tangent;
* V# p5 U! h# S, f4 W - McData.constraints[ 0 ].offset = NULL_TAG;- A) H9 y7 [6 [- {5 m
- McData.constraints[ 0 ].name = NULL;
% i7 S0 W! O4 E [; E/ _ - McData.constraints[ 0 ].user_name = false;9 ^/ m* v4 I1 A* h5 H) n
- McData.constraints[ 0 ].inherited = false;
- v n( u/ w V0 T# d - McData.constraints[ 0 ].suppressed = false;
! I. S7 [6 A! ]: W - McData.constraints[ 0 ].has_help_point = false;8 f$ _3 m K6 a" A
- UF_DISP_set_highlight( tagObjectFrom, 1 );
% E5 e+ f) X+ U) J - UF_DISP_set_highlight( tagObjectTo, 1 );
0 U y5 N- t/ B6 g& Q - uc1601( "这两个面进行相切操作", 1 );' `/ c( d& m0 O- Z9 I: e
- UF_DISP_set_highlight( tagObjectFrom, 0 );6 _* N- J% N- H8 g- f6 _/ y
- UF_DISP_set_highlight( tagObjectTo, 0 ); A: Y4 r# Z! \0 b
- % Y! M1 ?$ i+ k# s! E$ a
- tagObjectFrom = NULL_TAG;
1 T" i0 n/ ^4 H, @% s - tagObjectTo = NULL_TAG;) u/ Z, [# A6 a& T! G1 g/ z- a% M
- UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );
, u. W! D" Y0 o& ~9 O J& D L% G; z0 u - UF_OBJ_cycle_by_name( "P2", &tagObjectTo );
( h) N: c$ l' M) N( a$ z - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
+ r" c9 J% u- m! M# Y3 s1 L - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
; W: @) U' E6 e' J5 w$ q - McData.constraints[ 1 ].from = tagPrototypeFrom;
, T: @5 @( M5 w/ ~' f! i/ x - McData.constraints[ 1 ].from_part_occ = tagOccCyl;) n$ b9 [5 P5 A5 X2 a: F- p
- McData.constraints[ 1 ].from_status = UF_ASSEM_ok;
3 i' Z! w5 ]$ ~( j ~- x - McData.constraints[ 1 ].from_type = UF_ASSEM_cylindrical_face;9 ]0 I7 v. m8 ~7 a
- McData.constraints[ 1 ].to = tagPrototypeTo;
6 v; R' D+ Z1 v* W( B% ?( _ - McData.constraints[ 1 ].to_part_occ = tagOccVBlk;: v, C. o3 `: ~7 C
- McData.constraints[ 1 ].to_status = UF_ASSEM_ok;8 V* k8 J: O" A9 q; h
- McData.constraints[ 1 ].to_type = UF_ASSEM_planar_face;( z9 K" C( g: U7 o5 g
- McData.constraints[ 1 ].mate_type = UF_ASSEM_tangent;
3 z$ p8 p5 p" G2 n6 a1 a0 [# U3 X - McData.constraints[ 1 ].offset = NULL_TAG;* [4 [) n Z2 }4 s- X; c( M
- McData.constraints[ 1 ].name = NULL;& I: C- D" ^- M1 P3 h+ ?& C
- McData.constraints[ 1 ].user_name = false;
; M* c: S2 Y$ s3 d( f2 }* Q - McData.constraints[ 1 ].inherited = false;7 s r' o. q3 K# Y
- McData.constraints[ 1 ].suppressed = false;, q! K1 K. L& x6 w% ]
- McData.constraints[ 1 ].has_help_point = false; H6 f' @* Z) W) T, S$ |6 R
- UF_DISP_set_highlight( tagObjectFrom, 1 );1 k, N; [) ~& x/ @
- UF_DISP_set_highlight( tagObjectTo, 1 );
( z8 f" Y$ H1 z d% t - uc1601( "这两个面进行相切操作", 1 );
" M1 A5 M) N) ?! t - UF_DISP_set_highlight( tagObjectFrom, 0 );0 B! o9 e7 D; k6 d' j C
- UF_DISP_set_highlight( tagObjectTo, 0 );+ h3 n' w& {, `
$ ]3 A8 v: F$ T% L$ u- H# t: F& S- tagObjectFrom = NULL_TAG;
; G: e$ ]' R" L: @4 i* i9 f' I - tagObjectTo = NULL_TAG;
2 }+ h6 D4 L/ t$ W; V5 N- V - UF_OBJ_cycle_by_name( "CYL_FACE_1", &tagObjectFrom );
6 f. [; L3 O; u5 U - UF_OBJ_cycle_by_name( "P3", &tagObjectTo );. M+ p6 o% r) E- ]% m- M, L2 k* D
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );( a5 C9 T# R+ F! h! {
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
5 N; x/ l, w; A1 @ - McData.constraints[ 2 ].from = tagPrototypeFrom;- G& h& \; K$ }' S7 T
- McData.constraints[ 2 ].from_part_occ = tagOccCyl;# ]6 i6 D+ r% l% ?" H) _
- McData.constraints[ 2 ].from_status = UF_ASSEM_ok;
' K) K. J( p0 a* _5 R - McData.constraints[ 2 ].from_type = UF_ASSEM_planar_face;
3 J/ q0 ^' S4 u) F$ l - McData.constraints[ 2 ].to = tagPrototypeTo; [ a9 k8 ]+ v
- McData.constraints[ 2 ].to_part_occ = tagOccVBlk;& l+ v, }% ^& L/ {- Y9 V" M9 W/ V" V
- McData.constraints[ 2 ].to_status = UF_ASSEM_ok;% I/ I2 T6 B+ j: \; h
- McData.constraints[ 2 ].to_type = UF_ASSEM_planar_face;3 `, \. a+ p$ t* Q
- McData.constraints[ 2 ].mate_type = UF_ASSEM_align;& X( V) R$ Y4 ~' \
- McData.constraints[ 2 ].offset = NULL_TAG;
( p+ e6 N& t$ P2 Y: e - McData.constraints[ 2 ].name = NULL;
( X6 \ ^8 y+ S& B - McData.constraints[ 2 ].user_name = false;6 x% o: ]6 O6 N9 R& j' c
- McData.constraints[ 2 ].inherited = false;; ], e9 S% {9 n0 h. L/ Z5 t' [8 Z
- McData.constraints[ 2 ].suppressed = false;
/ D+ `6 I0 D0 | K - McData.constraints[ 2 ].has_help_point = false;' J: R9 _5 w' r2 d6 s3 [ j
- UF_DISP_set_highlight( tagObjectFrom, 1 );
8 s; A0 p8 g) ~# ?- P4 ~ - UF_DISP_set_highlight( tagObjectTo, 1 );7 Y8 I3 J$ n* w
- uc1601( "这两个面进行对齐操作", 1 );" K1 I, l$ @% b3 K6 ^5 z7 _
- UF_DISP_set_highlight( tagObjectFrom, 0 );
9 [3 U( g- o& M - UF_DISP_set_highlight( tagObjectTo, 0 );! _% r8 k$ C( ~8 U" `, A
- 7 _! I6 E" w2 y, p& ~
- double dblzTransform[ 4 ][ 4 ];
; g6 }, C, G3 l4 n# o( }0 F2 A7 o - UF_ASSEM_dof_t Dof;
" K, H: d+ [, f c0 g - UF_ASSEM_mc_status_t Status;
0 ^% j" u* N- l! }
& c! m& N _( {! j
: F- ^' T5 F. S9 M5 E) p6 K1 N: H. h0 J- /* 求解约束*/2 E9 }2 U/ W$ f
- UF_CALL( UF_ASSEM_solve_mc( &McData, &Status, &Dof, dblzTransform ) );
- D' A3 a1 ~1 a& |: i5 D+ O" | - if ( UF_ASSEM_mc_solved == Status )) {. ~! r5 s+ R0 r0 @
- {
O: d( X' g+ J/ {2 E* T' P - uc1601( "求解约束成功!", 1 );7 v# }( g: ^: c# [" h) f n
- UF_ASSEM_mc_structure_state_t StructStatus;. F$ _% y6 I" U% G
- `; I6 K5 U2 B( Y/ q* C( |# S
- /* 将约束应用到装配体上*/
7 U3 e. k; c/ J1 ]+ x/ d5 k - UF_CALL( UF_ASSEM_apply_mc_data( &McData, &StructStatus, &Status ) );
: U! d( @4 ?, ^" _5 ^ - if ( UF_ASSEM_structure_ok == StructStatus )
2 C5 t3 O2 n! c% r9 f - {5 k! r2 D! x1 Q6 t
- uc1601( "应用装配成功!", 1 );8 ~4 B5 y7 |) Q, H: h1 Q
-
u1 e7 G- U" V" Z4 k - /* 更新模型*/
3 Q* _8 a) `; E7 x4 h - UF_MODL_update();
0 m/ u/ o& v: t2 n, J. v- y - UF_DISP_refresh();
4 H% X" U" K6 a, a: Z N5 F3 o( a - }
9 ?) Y( Q% Y3 o5 A# K7 ^: | - else uc1601( "应用装配失败!", 1 );1 w. o+ Q' n0 M3 m5 |7 v% p2 S
- }/ Q% M9 i9 X# [; t) }
- else uc1601( "求解约束失败!", 1 );
2 @* R9 n9 l% {6 q - }+ ]$ W( V6 j, M7 ?2 x& _* z
- }
2 V0 O2 z( S' V" r
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