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使用UFUN进行UG NX二次开发: 装配设计技巧及步骤
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1、装入部件
3 M" v. g7 q5 U! Z+ _5 |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 j7 g Z9 E" o4 Y; P* D) ?) Y7 L) S) ^# N
2、创建配合关系; y: r0 T6 k9 z4 Z3 L+ h
a.通过函数UF_ASSEM_init_mc()初始化约束;9 n2 n! V& ]1 }/ m' N: O6 W
b.定义约束关系,即填写结构UF_ASSEM_constraint_s中信息;
4 i }, t" t$ k6 S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。
& S% t0 X3 r4 ^; x7 V* U/ Hc.通过函数UF_ASSEM_solve_mc()求解约束;: x4 D2 t" P; @, F9 f
d.通过函数UF_ASSEM_apply_mc_data将约束应用到装配体上;9 m: Q4 m6 }$ o; s6 L2 ?
e.通过函数UF_MODL_update更新模型。
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- #include <stdio.h>
/ z; O) C/ [8 M4 M% T - 8 B! i0 _6 A2 i
- #include <uf.h>
. }" z6 M/ v$ ~: M k! Y - #include <uf_ui.h>
7 f% W/ T) t) _7 k8 v! j - #include <uf_obj.h>
9 R7 s) m1 {; f - #include <uf_disp.h># V! b+ S' o4 F3 E) U0 w$ [% Q- N! u
- #include <uf_modl.h>( Y4 d1 z/ }% d0 d0 w& `* m: ]! X
- #include <uf_part.h>$ w) |3 B a9 F' Y/ J1 o
- #include <uf_assem.h>
0 g: a. {: }- b - ; I+ \1 U5 Z* _( E) O; j' J
- #define UF_CALL( X ) ( report( __FILE__, __LINE__, #X, ( X ) ) )
- i8 G1 n& u j; D) X B/ ~5 ^9 }* Q" Z - 3 D1 t \4 p7 K+ }# Y8 F# C, I- I
- int report( char *file, int line, char *call, int irc );
, j( L+ X7 s9 Q- K: B" h - void DoAssembly( void );
1 U& u# s9 [9 \- L! q! _% w% x/ v) C
% ], N$ }' `! v2 z/ L+ i, ?- int report( char *file, int line, char *call, int irc )
: D6 y- f5 O8 Q - {, C0 ~* \2 t7 V
- if ( irc )* f X! u7 u! y
- {. o6 p2 O7 p- ]; ~) q+ `
- char err_msg[ UF_UI_MAX_STRING_LEN + 1 ];
2 u3 X+ a. c% ^- O3 e* Y - char msg[ 133 ];
, r' s+ j" X- E, k$ s - char fail_message[ 133 ];5 O: t) ^ n5 J1 s, w5 H8 N& W) v
- int len;
; N: M& z( l s6 u h1 O - $ u0 m' O% u" K- X, S
- UF_get_fail_message( irc, fail_message );; ?9 |4 K, b6 ?
; E7 Q x, P( e5 E- sprintf( err_msg, "%s, line %d: error %d: %s", file, line, irc, fail_message );
: }" q4 V' D; _: S; @' Q5 k - 8 e3 ]1 [! N7 U8 M
- len = strlen( err_msg );7 F& ^+ E3 b8 Q) F4 M& e" C) h, N
- len = ( len < 131 ) ? len : 131;
7 e) q4 A7 l% c+ g* e - strncpy ( msg, err_msg, len );
8 B7 j( @/ x* h! Y3 F# i6 `: _; o" Z - msg[ len + 1 ] = '\000';) ^8 G+ ?9 w( h7 `2 P' O+ ?
- " x! g m9 h% `. O& l, }: x
- uc1601( err_msg, TRUE );
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- return( irc );8 \" k% I" W* ^+ t$ x0 w# Z, g
- }. [- d$ U9 ]) P$ J, W& {( l
% W2 H# ?7 a6 T- extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
5 b; @6 n L* O C - {0 l5 J6 b- N% C9 q
- if ( UF_initialize() ) return;+ b2 u! D! ^6 b# O1 i& U6 l
- DoAssembly();
4 n( e8 {8 E$ R7 f/ v( `) A - UF_terminate();6 L. U6 u0 a H8 U1 P
- }, b! D G- ~% O0 _% \
- $ n& K9 l! b1 ^3 I& ?
- void DoAssembly( void )
# X( a6 Y. ]4 ~ - {
) `1 x1 t; h' x7 O3 I - if ( NULL_TAG == UF_PART_ask_display_part() ). v3 t. k* A- u9 M, q9 V
- {
" \( `8 q( t3 _1 g3 p4 H - uc1601( "请新建一个文件再进行本操作!", 1 );
: j9 V6 g2 X! L! M. o e - return;
1 `4 `6 s# e+ x; ~1 G& V - }7 _- Z! Y/ N- l" q+ b# @
- " V. _' E5 q* o9 q* ?
- tag_t tagInsCyl = NULL_TAG;2 F/ W2 h" r+ t- O, S
- tag_t tagInsVBlk= NULL_TAG;
% X: N7 u" i% d; |* y - tag_t tagOccCyl = NULL_TAG;
H2 g# k! }' J! M. j3 M8 T8 D' ? - tag_t tagOccVBlk= NULL_TAG;) K9 y& z2 F2 j) U$ W
- UF_PART_load_status_t ErrorStatus;7 Q9 S4 M8 R& N+ u6 O5 d# `1 b/ N
- ?" A% b0 ^% d5 t4 F' D/ g/ g
- double dblzOrigin[ 3 ] = { 0, 0, 0 };
+ V& @) F2 V8 s% Y6 M - double dblzCsysMatrix[ 6 ] = { 1, 0, 0, 0, 1, 0 };
- Y* _/ {; ?5 q" W- v) V7 U# K* ? - 5 h, a+ @3 m# g. r# Z+ v0 B
- /* 装入部件GB2208_80_Vblock.prt */! n! g% |7 a$ a, Z- i) `' r t6 C
- UF_ASSEM_add_part_to_assembly(
$ h/ w( t9 ^ g8 L4 V! @) P) v: f6 G/ G - UF_PART_ask_display_part(),
! p8 P0 s- j' N2 v' E - "f:\\ug\\chapter4_1\\GB2208_80_Vblock.prt",0 @) ? ?; B3 S* C2 @, u
- NULL,
9 L& c$ z: ?' f4 B - "VBLOCK",( `3 N6 ]" x0 d# a, L) G5 Z [
- dblzOrigin,! B% y- v. W1 g* i7 y' F
- dblzCsysMatrix,
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) d" K0 U# P! C5 ?5 a - &tagInsVBlk,
! Q; Z6 z+ f ]! o& G - &ErrorStatus );% j5 o& @3 g% H3 b7 A
- /* 装入部件Cylinder.prt */
2 j. ^. h1 g- B1 f3 t! g0 g e - dblzOrigin[ 1 ] = 50;
/ e4 `. g& m) Z; X! [; V @ - UF_ASSEM_add_part_to_assembly(- s$ B) j$ o7 I ~% x" }
- UF_PART_ask_display_part(),
7 K/ b/ p2 r5 @8 B8 I - "f:\\ug\\chapter4_1\\Cylinder.prt",, O7 q, c) P6 B5 r3 f
- NULL,
% ?4 Z1 n S9 _ - "CYLINDER",% G/ l# {5 z. `& @, c
- dblzOrigin,
1 {8 s5 a6 s; ]+ T$ Y - dblzCsysMatrix,
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* r# j7 I& p/ ] - &tagInsCyl,
: ~8 z `1 D# J - &ErrorStatus );1 y2 J3 u3 U6 @( N# [7 G
- tagOccCyl = UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsCyl );- b3 X& a2 Q% Z' d5 E7 v- {5 w2 j
- tagOccVBlk= UF_ASSEM_ask_part_occ_of_inst( NULL_TAG, tagInsVBlk );' P* L) Z8 R+ q" V
8 ~. Q; W+ C( }- /* 创建配合关系 */7 m) y8 u0 M5 v
- UF_ASSEM_mating_condition_t McData;! e9 s% V0 u9 F) M5 ]
- tag_t tagObjectFrom = NULL_TAG;+ M/ \/ k) Z9 X0 d7 b+ I
- tag_t tagObjectTo = NULL_TAG;
5 g- \1 L/ i7 a1 G/ r - tag_t tagPrototypeFrom = NULL_TAG;3 ]( s. b' \2 H) X e3 {; r5 Y7 z
- tag_t tagPrototypeTo = NULL_TAG;
7 _4 b+ C D/ T. e. }+ _ -
9 i: D; K5 W' {6 X - /* 初始化约束*/
( Q! d7 S' w7 ? - UF_ASSEM_init_mc( &McData );2 s/ j, P! c; Y1 y W8 G7 K7 [
- % o% b- N. N ^0 L- o. s
- /* 定义约束,构造配合关系*/
) \- h7 O: T7 _& v# }8 A+ n - McData.mated_object = tagInsCyl;
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- McData.num_constraints = 3;
7 _5 d8 U% W) ]+ v - McData.name = NULL;0 ] u( L/ y y/ ?
- McData.user_name = false;, ?6 \( |( y- |) G' o3 Y7 y ^" _
- McData.override = false;4 w; j9 E, I8 I
- McData.suppressed = false;
, r5 I, ]) r# P- H) V3 i/ b. k* E2 l: m - McData.implicit = false;% ]: o; v' c) J
% s% s) H/ P, Y- u- tagObjectFrom = NULL_TAG;4 a5 p% f) I U+ x8 U
- tagObjectTo = NULL_TAG;
( E3 W" l) _4 k2 ~# X3 a% w - UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );! A" K ^2 O9 j
- UF_OBJ_cycle_by_name( "P1", &tagObjectTo );
& `% a' [7 X$ i# |* b& p) F - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );
: F# r" D& n2 W+ q0 P - tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );6 q |" `; G1 ]
- McData.constraints[ 0 ].from = tagPrototypeFrom;9 B; e% B" ~4 s1 w3 `5 n, ~. D
- McData.constraints[ 0 ].from_part_occ = tagOccCyl;
& M5 t& [7 M5 |1 Q, \# H$ s" e) M - McData.constraints[ 0 ].from_status = UF_ASSEM_ok;
1 a% E+ G: d- I+ L9 ]8 a3 G/ M, H - McData.constraints[ 0 ].from_type = UF_ASSEM_cylindrical_face;
( Y$ h B5 e& d6 X - McData.constraints[ 0 ].to = tagPrototypeTo;
- }5 i' ^" s0 Z - McData.constraints[ 0 ].to_part_occ = tagOccVBlk;
1 h+ z% P! f- W. u) [ - McData.constraints[ 0 ].to_status = UF_ASSEM_ok;
# _2 q; `/ P; ^ f: d: t - McData.constraints[ 0 ].to_type = UF_ASSEM_planar_face;
: X( V- M' x/ K1 I6 D, H- n+ E - McData.constraints[ 0 ].mate_type = UF_ASSEM_tangent;$ j8 ` E7 S( C
- McData.constraints[ 0 ].offset = NULL_TAG;0 t& v' o5 w k; p
- McData.constraints[ 0 ].name = NULL;
* y, n2 a4 h% Y. v" k% x - McData.constraints[ 0 ].user_name = false;
0 g f; F/ d* q2 b" _4 y k o; E3 m - McData.constraints[ 0 ].inherited = false;! r8 ?' V0 P" @( m& H3 q- J2 P- ], n
- McData.constraints[ 0 ].suppressed = false;
- y: g; e# B4 ?1 x( |( S - McData.constraints[ 0 ].has_help_point = false;
+ F/ n, R3 H' i5 C% ?% W - UF_DISP_set_highlight( tagObjectFrom, 1 );/ \! z7 e/ d0 \( G3 s7 Q
- UF_DISP_set_highlight( tagObjectTo, 1 );0 p6 W5 H: F! a9 V, g
- uc1601( "这两个面进行相切操作", 1 );
" ]+ e: ~+ O" K" u+ h7 j. ^8 j - UF_DISP_set_highlight( tagObjectFrom, 0 );- c7 @$ V. Y0 w6 j, [& M; Q- b
- UF_DISP_set_highlight( tagObjectTo, 0 );
+ _% z* m! W# s' O* `
, ?: M4 t5 R. q0 n2 {% c) J6 G. `- tagObjectFrom = NULL_TAG;
" r. ^0 j8 ]: _ - tagObjectTo = NULL_TAG;
) V' a4 L3 c, s) T! B! B# F - UF_OBJ_cycle_by_name( "CYL_FACE_3", &tagObjectFrom );
! E. [+ m: t# s# x/ X - UF_OBJ_cycle_by_name( "P2", &tagObjectTo );
?+ ^ W) I1 \" c - tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );% Y. c7 W& T9 r. \% r w7 e: c4 r
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );
( d# z1 O& N. W& K) d& ` - McData.constraints[ 1 ].from = tagPrototypeFrom;9 D. d3 g! D' q5 U* z) U
- McData.constraints[ 1 ].from_part_occ = tagOccCyl;
8 k. o# v9 C' a5 u: q+ q - McData.constraints[ 1 ].from_status = UF_ASSEM_ok;0 M4 w6 |4 e$ _9 L& n6 h% i
- McData.constraints[ 1 ].from_type = UF_ASSEM_cylindrical_face;5 L! q9 _0 R& c+ p
- McData.constraints[ 1 ].to = tagPrototypeTo;) m# y1 L% M* Q5 V6 v
- McData.constraints[ 1 ].to_part_occ = tagOccVBlk;) M6 {: a6 m3 E9 P8 l, ]: H
- McData.constraints[ 1 ].to_status = UF_ASSEM_ok;6 s% I3 \5 A* G' G. F
- McData.constraints[ 1 ].to_type = UF_ASSEM_planar_face;8 [: \+ `# \9 A! t9 H
- McData.constraints[ 1 ].mate_type = UF_ASSEM_tangent;! u( W% q" y) _8 A+ c
- McData.constraints[ 1 ].offset = NULL_TAG;
. C8 s" ~6 f0 K0 D* ~6 i# |0 g - McData.constraints[ 1 ].name = NULL;/ z8 I# T7 g1 t8 V2 j
- McData.constraints[ 1 ].user_name = false;
# x$ b$ m0 N9 J, c8 c$ D - McData.constraints[ 1 ].inherited = false;( ~0 K. w$ O% k+ v# U. N! B. W
- McData.constraints[ 1 ].suppressed = false;' z. K+ Z4 M, s2 D; g( R$ F- W) ~
- McData.constraints[ 1 ].has_help_point = false;
2 x9 C1 J# a' C3 Q4 b: G - UF_DISP_set_highlight( tagObjectFrom, 1 );% U. w* |& g% {3 N1 y. F
- UF_DISP_set_highlight( tagObjectTo, 1 );
9 ?# }6 e6 F+ X; Y5 ` - uc1601( "这两个面进行相切操作", 1 );. V& c+ K+ \. s0 g
- UF_DISP_set_highlight( tagObjectFrom, 0 );
6 p- T6 T4 y0 m5 \4 H' ~7 S - UF_DISP_set_highlight( tagObjectTo, 0 );2 |$ B7 y- Y# Z' U7 h
- ( p# i2 G% T2 V* M, H& m3 C# Y
- tagObjectFrom = NULL_TAG;
3 a: X# O; w7 U6 _1 k D8 T- g- U - tagObjectTo = NULL_TAG;/ B# Y3 I/ }1 f; n* D
- UF_OBJ_cycle_by_name( "CYL_FACE_1", &tagObjectFrom );+ ~3 a5 U9 ^; O; a! P- z2 d8 f
- UF_OBJ_cycle_by_name( "P3", &tagObjectTo );; E, w0 Z7 i- q: C) @: s2 \% d2 r% {
- tagPrototypeFrom= UF_ASSEM_ask_prototype_of_occ( tagObjectFrom );! ]( y4 r) R5 X2 ^
- tagPrototypeTo = UF_ASSEM_ask_prototype_of_occ( tagObjectTo );. f! Q. H, g5 n9 C
- McData.constraints[ 2 ].from = tagPrototypeFrom;
I" F; X. s* ~, p0 W4 N - McData.constraints[ 2 ].from_part_occ = tagOccCyl; Y( z# x* p! |+ D- r) Q3 h
- McData.constraints[ 2 ].from_status = UF_ASSEM_ok;( Q4 n7 w2 Q: s7 ?/ l2 H
- McData.constraints[ 2 ].from_type = UF_ASSEM_planar_face;
% E1 @2 i2 X- M$ [0 l; G# u' } - McData.constraints[ 2 ].to = tagPrototypeTo;
2 `4 f: j7 v7 Y7 m/ P' o - McData.constraints[ 2 ].to_part_occ = tagOccVBlk;
% a5 B" N& B' i" a. S( Z% { - McData.constraints[ 2 ].to_status = UF_ASSEM_ok;$ {5 P: ~; W7 n8 t# s( t
- McData.constraints[ 2 ].to_type = UF_ASSEM_planar_face;, ?6 Y8 O$ O3 z9 c. a) [
- McData.constraints[ 2 ].mate_type = UF_ASSEM_align;
k% P: i J( R0 g ~$ @+ _! ~. ` - McData.constraints[ 2 ].offset = NULL_TAG;
% V, l; v/ H/ v6 }& X/ j4 n3 H - McData.constraints[ 2 ].name = NULL;
, ^) N* H% C6 R - McData.constraints[ 2 ].user_name = false;
8 G, l; s$ R% j8 s, g - McData.constraints[ 2 ].inherited = false;
8 }/ G2 Q% r( A7 |, `$ t - McData.constraints[ 2 ].suppressed = false;. {- x9 j; `' v; [
- McData.constraints[ 2 ].has_help_point = false;
7 _1 u6 y% T" ^% g - UF_DISP_set_highlight( tagObjectFrom, 1 );
2 D, Q; u( D) A! H: H' f* L: T - UF_DISP_set_highlight( tagObjectTo, 1 );
& s3 R$ t4 m7 M& o1 M: s - uc1601( "这两个面进行对齐操作", 1 );
1 E. U5 Z1 n" S5 f - UF_DISP_set_highlight( tagObjectFrom, 0 );
. C6 d, ^9 @+ B0 O3 `: U - UF_DISP_set_highlight( tagObjectTo, 0 );
0 W" N1 J( `) [' \' L - 5 u' p2 U5 A2 g9 r2 j3 S" e
- double dblzTransform[ 4 ][ 4 ];( d3 X8 F. o& D6 N
- UF_ASSEM_dof_t Dof;
. I) o2 X2 {( b9 E. X - UF_ASSEM_mc_status_t Status;& o8 Y" z% p: Q/ ^8 s
- # a; n4 `6 I* X9 q* T& @
- 3 _2 y+ [$ O& Q. m) ^. \
- /* 求解约束*/
0 P2 g/ r4 N+ m - UF_CALL( UF_ASSEM_solve_mc( &McData, &Status, &Dof, dblzTransform ) );# l' E' ?" t7 |6 g4 e: }+ R
- if ( UF_ASSEM_mc_solved == Status )
+ J2 N# O- {9 X: d8 ^ - {$ y1 ]& \( w; r( m) \
- uc1601( "求解约束成功!", 1 );
* L O5 X) c& D4 f1 H6 P$ ^6 W - UF_ASSEM_mc_structure_state_t StructStatus;" f. D4 _$ E4 V- I* ]# S( O! i9 a0 o
- 4 Y% G9 s7 Z+ }- [
- /* 将约束应用到装配体上*/
! p; U1 Y* J# R; Q4 } - UF_CALL( UF_ASSEM_apply_mc_data( &McData, &StructStatus, &Status ) );
3 r" S# U1 D, a$ ~1 b - if ( UF_ASSEM_structure_ok == StructStatus )
9 h! t+ {- j7 X+ A' i3 j - {& }8 |+ Z* M$ z. p$ `* q
- uc1601( "应用装配成功!", 1 );
/ O; i2 Z8 R7 f7 a+ \7 A" O' I9 Z - & f8 p4 F( E9 P9 Y3 f& r5 c# x0 Z
- /* 更新模型*/0 _" I. p6 k+ V0 c
- UF_MODL_update();
) x0 {- \+ e/ T4 x1 |. ^3 e - UF_DISP_refresh();
3 `, B. u: H0 _3 A8 _. x1 s' m( L4 e - }
7 `% U* s( q' U% Q0 [ - else uc1601( "应用装配失败!", 1 );$ h4 q, X* Z u) V) J* `1 `
- }
: T, D; B4 q1 ]* S - else uc1601( "求解约束失败!", 1 );" P" f7 @7 H/ P5 r+ G
- }, T+ z% A% N7 L& ~
- }
: G8 }: H9 \. w
复制代码
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