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* |3 c6 f: Y5 u; H0 S* c; ]1 W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：
' D+ j u5 S9 B F& e) A!# Pro/TABLE, F% z/ G1 t3 Y& C
!#; {7 @6 c+ E8 w5 b5 D+ |, ?* o
![] W 8;3 \+ Q6 J( d/ w% X& ~4 b
![] S 92;2 I& D7 u" D0 m& Z3 f0 U
![A] W 10;- \8 H2 J1 R9 c& L- C
![B] W 10;
- Z K' o% }+ ]5 J5 ^"!"
& O8 I; a5 i7 c6 Z3 k"! 90度折弯 - 需要原料的直线长度(L)"
- {; @( ~/ I& ], z v$ m3 `"!"; b9 i. D: H0 l+ k _+ D" t Z
"! 对于表范围以外的R和T，使用下列值，"& J6 }2 O$ y: w2 X+ S! L+ ~
"!"7 {8 s! m# }7 d6 g5 T! l4 y7 V
"FORMULA"
2 |" U0 [2 k# j/ {- ]. y5 V6 R" IF(R<=3 & ANGLE<=105)"2 c3 e1 h# g0 W6 Q+ Y8 ^+ C5 f
" IF(T<=0.5)"
1 {6 A% \8 a; l1 w" L=(2*T-0.8)*ANGLE/90+2*R*TAN(ANGLE/2)"" o! y! s4 ?# o: C1 U
" ENDIF"
9 [4 u' h: g3 ]: W1 I& ^+ i" IF(T>0.5 & T<=0.9)"
6 X' O! T+ b( F; g, A: [% @" L=(2*T-1.4)*ANGLE/90+2*R*TAN(ANGLE/2)"
' U. w$ H) a4 A- w" ENDIF"8 u; H8 r3 o% @& z% c) q5 E
" IF(T>0.9 & T<=1.1)"
( w3 C6 e4 I% b' {! `" L=(2*T-1.7)*ANGLE/90+2*R*TAN(ANGLE/2)"
! `9 K8 [- ^8 I: m, J* M" ENDIF"# u% v( r4 v$ t1 z& G' U3 i
" IF(T>1.1 & T<=1.3)"2 _' {. y b* z! b
" L=(2*T-2.1)*ANGLE/90+2*R*TAN(ANGLE/2)") Q: Q5 O: A2 f+ f% O. O2 |
" ENDIF"; ^3 Z) C0 z1 T4 V
" IF(T>1.4 & T<=1.8)"
! y1 y& E, J" l* R, z" K' ^" L=(2*T-2.5)*ANGLE/90+2*R*TAN(ANGLE/2)": P @1 @ m4 Q/ c1 C8 X( z; `
" ENDIF"; \. p7 s. T- Z% m- @- [
" IF(T>1.8 & T<=2.3)"
! p- @( O9 \' N$ B, b7 w" L=(2*T-3.3)*ANGLE/90+2*R*TAN(ANGLE/2)"
* d9 q, ^" @$ c3 X8 w8 o( U8 O# [" ENDIF"
& N# l' y" P% n, M7 N* {1 L" IF(T>2.3 & T<=2.8)" t3 J5 h/ _. G
" L=(2*T-4.1)*ANGLE/90+2*R*TAN(ANGLE/2)"
" }0 |2 \2 a$ T9 e9 H% d0 c- x1 t" ENDIF"
% K' i6 u0 ?- v- I. B! L" IF(T>2.8 & T<=3.3)"
& g- q8 m" S5 E; {( E6 k$ P# f" L=(2*T-5.0)*ANGLE/90+2*R*TAN(ANGLE/2)"% H% r: i s" H, M2 v- ^) E! s5 u
" ENDIF"& }+ R) }- z* H4 T7 T7 n
" IF(T>3.3 & T<=3.8)"1 K6 j" `; O6 b" o- B* \
" L=(2*T-5.8)*ANGLE/90+2*R*TAN(ANGLE/2)"
* W$ e: \* E- }. v+ M, V+ G" ENDIF"0 a. ~5 z7 w: h) w; K7 q* x2 r' I- S
" IF(T>3.8 & T<=4.3)"
0 l4 g2 r4 m4 Y4 R/ x3 U3 g" L=(2*T-7.0)*ANGLE/90+2*R*TAN(ANGLE/2)"
; i m# k) Z3 `- M5 M* f. v" ENDIF"
( n, u+ V( a7 O* b0 P4 |. c3 P: r" IF(T>4.3 & T<=5.3)"1 ^/ I) r0 Y1 q2 K
" L=(2*T-8.0)*ANGLE/90+2*R*TAN(ANGLE/2)"
@' i* M, r$ n& p" ENDIF"
- t; A X: b+ {' n9 s2 n2 [4 p" IF(T>5.3)"" b. t d9 {" o6 g& n7 I5 l. l
" L=(2*T-10)*ANGLE/90+2*R*TAN(ANGLE/2)"
' _; C# o' J5 G" g* n9 `) r" ENDIF"- g8 {/ Y( k/ M. ]' r( q7 C) [
" ELSE"7 D4 ^6 K9 P. J( n8 W- \9 S% |4 R
" IF(R<=0.5 & ANGLE==180)"
! I) \. X' E' Z6 f0 z( t" L=1.575*T+2*R"' ]; r; p8 ?5 Z
" ELSE"
+ h( ?7 i' c+ ~* w" m+ u" IF(T<1.5)"" h4 e. k& W2 L
" L=(0.5*T+R)*ANGLE*PI/180"6 _3 C }. @, a8 G3 }- F) {/ D9 U9 a
" ELSE"' }" e1 ]' K; `* }5 u' M
" L=(0.4*T+R)*ANGLE*PI/180"
2 ~1 E1 M, g5 D8 `: L* I" ENDIF"
) L! H# \6 n: j5 y' w, k: S" ENDIF"
9 a8 ^# d! b) v X" ENDIF"+ V+ n3 Q8 {+ {, Y) l8 G
"END FORMULA"
0 B% U `& p9 m/ G; m( n"!"
% Q6 U5 u" ^, ~+ b$ W. w"! 该表可用于以下材料"
) \7 K3 _& r' D! P"START MATERIALS"# p3 ]' G+ m: A
"END MATERIALS"
, C, c, ]5 u3 U( q"!"
/ R! q( F E9 G; p4 G, h"TABLE"' _, f/ f- K7 }; ^
"! 内侧 半径(R)": E0 M$ U+ j, M. w
" " 0.000000) H4 g0 L+ R$ X* v$ b2 F8 {$ z9 V
"!厚度 (T)"
4 z) r* H7 q( ^100.000000 0.000000! z5 e/ T( \; g4 j
7 O9 |5 e, C/ I, p
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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发表于 2011-4-26 09:22:01
楼主