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, |, E' J0 b# G( Y7 V& J' r: k我最近用了一个折弯表,有一点疑问,希望有人能指教一下。折弯表如下:
6 ]$ V: {* z1 S/ E1 ^" O9 r* I!# Pro/TABLE+ P* |1 ]9 R* J0 L V
!#
9 g' j9 e& ]0 g1 Y3 o2 d, x: g) V E![] W 8;
: J D2 N. C$ j, L3 o) _8 `/ d![] S 92;! T0 d. b1 u* @' X
![A] W 10;4 V! a. ~% q# I# q; W
![B] W 10;8 M- m3 o+ ]+ G9 J4 ^0 E( _3 t
"!"& I- v: G" R. ^8 w+ \1 E0 s
"! 90度折弯 - 需要原料的直线长度(L)". K) X' I+ ~" z8 @6 {2 X+ C p
"!"7 @; H. x' v% _% F/ P
"! 对于表范围以外的R和T,使用下列值,"- i& Y+ w# y5 d& u. L
"!"
7 O/ A2 `& X( ]2 E"FORMULA"
; y$ p' ^% t! e$ K3 A; K" IF(R<=3 & ANGLE<=105)"" f5 A$ b M& m3 V& k3 ]- `7 P& c
" IF(T<=0.5)"( I; @: [7 s' j$ ]; ]
" L=(2*T-0.8)*ANGLE/90+2*R*TAN(ANGLE/2)". W# c4 q, S. {
" ENDIF"
8 a3 w. _% X) H! j/ K" IF(T>0.5 & T<=0.9)"
4 |& d& z. I0 v+ J, l) t6 ^2 c" L=(2*T-1.4)*ANGLE/90+2*R*TAN(ANGLE/2)"
- f" w [; \9 W8 o" ENDIF", S$ K1 J% K2 Q4 E5 D
" IF(T>0.9 & T<=1.1)"
$ b5 z- J! ~' p" L=(2*T-1.7)*ANGLE/90+2*R*TAN(ANGLE/2)"
- | Y Y6 [. K+ I2 X1 ^" ENDIF"6 k" K6 V$ L) ?9 ]$ n+ W+ w
" IF(T>1.1 & T<=1.3)"$ X/ q( f V: h% P, a
" L=(2*T-2.1)*ANGLE/90+2*R*TAN(ANGLE/2)"
7 @1 i5 R% c% r" ENDIF"( w# r& C" Z$ s( G7 r! z4 r
" IF(T>1.4 & T<=1.8)". I% Q) s6 _" E9 U% T- ?
" L=(2*T-2.5)*ANGLE/90+2*R*TAN(ANGLE/2)"
0 q/ P" Z5 @7 }) T7 `; s1 k" ENDIF"
: V+ u" z3 Q- T" IF(T>1.8 & T<=2.3)"6 e# J1 Z$ L5 E* n. D r
" L=(2*T-3.3)*ANGLE/90+2*R*TAN(ANGLE/2)"5 q" P6 @! F& ]$ h: I5 Q
" ENDIF"! ]4 j6 I8 [7 ?9 ^
" IF(T>2.3 & T<=2.8)"4 P/ Q/ U* ]1 p. n4 C8 g- }
" L=(2*T-4.1)*ANGLE/90+2*R*TAN(ANGLE/2)"/ t; N3 @7 [: g
" ENDIF", i. a) ^6 v. I" N* |0 x* y
" IF(T>2.8 & T<=3.3)"& f9 D* g7 t+ o& O* h
" L=(2*T-5.0)*ANGLE/90+2*R*TAN(ANGLE/2)"% A- k* l0 Q$ o! n2 H. _
" ENDIF"
2 l) k6 K) Q6 _" [# u/ c9 m" IF(T>3.3 & T<=3.8)"# G% A9 v3 v6 C+ k8 f
" L=(2*T-5.8)*ANGLE/90+2*R*TAN(ANGLE/2)"+ i/ ]9 n# _! I6 q" Y/ N
" ENDIF"
1 V" v1 B( b8 q2 V, U" IF(T>3.8 & T<=4.3)"9 E( u8 [( r, D: J9 C" X( c. A9 Y
" L=(2*T-7.0)*ANGLE/90+2*R*TAN(ANGLE/2)"
2 m0 x7 n' E2 g# T) L" ENDIF"
8 q3 N; n( T3 F( ?" i3 `" IF(T>4.3 & T<=5.3)"
& k2 ^8 b6 ^0 e" L=(2*T-8.0)*ANGLE/90+2*R*TAN(ANGLE/2)"
7 v3 @9 }! s4 t# c" ENDIF"
5 Y/ t2 I# G: u6 d4 K% @( ?" IF(T>5.3)"
. u7 W8 i. }1 r, p6 T" L=(2*T-10)*ANGLE/90+2*R*TAN(ANGLE/2)", E n! H, |: }
" ENDIF"& n! P! x( H1 J; k: r2 b
" ELSE"
0 `. t# h$ k+ G2 c" IF(R<=0.5 & ANGLE==180)"1 U4 `$ U/ N; U3 h( l X* e
" L=1.575*T+2*R"
( [$ H1 ^, v, n9 E, r b- V" ELSE"
3 j9 C" | Y4 v6 K: t" IF(T<1.5)"
8 M( a- B( d, J' o" L=(0.5*T+R)*ANGLE*PI/180"
' D! |# b2 P1 y; b: X% A" ELSE"
& |7 }$ }" d8 U7 B$ j0 x& Z2 F1 o2 \" L=(0.4*T+R)*ANGLE*PI/180"
& f: b6 o0 q; y" ENDIF"
& g# V" P/ W9 n, q5 o5 T( V" ENDIF"
, f a* E, G8 B( D5 T" ENDIF"
3 l' G0 Y% ~- G+ P3 a# A"END FORMULA"/ w# \& l$ `# e" H. a/ k; n
"!"8 c z0 V+ x3 q" |) d
"! 该表可用于以下材料"
/ u2 U f W9 Z8 }, [. e"START MATERIALS"
" j) l( B6 K# D0 f! k" G7 N" F3 @% Y+ u"END MATERIALS"* T2 o; m7 a" L* ~4 z1 n
"!"
/ X3 }7 q3 v1 X5 Y# w0 I4 }& F"TABLE"
( l7 A" D" A* Z2 ]4 \! \$ H"! 内侧 半径(R)"9 ~# B, Z; C0 H" M T7 h
" " 0.000000
3 H2 h5 n( ^8 Q/ D9 u0 {8 w"!厚度 (T)"
' r, @* O: Z- v) y; k100.000000 0.000000* z( y" w2 P. Q' T& ?
w+ H6 Y* K# W
问题是用这个折弯表时改变折弯内径后,它的展开长度不变的,不知道这样是否正常?正常感觉内径变了,展开长度也应该会改变的 |
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