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autocad幫助手冊(參考版)

2025-07-02 08:42本頁面
  

【正文】 計算剖面線邊界上的點坐標(biāo)
。計算螺紋線的各點坐標(biāo)  pt11 (polar pc (+ (/ pi ) ang) r1)  pt12 (polar pt11 ang l1)  pt13 (polar pt12 ( ang (/ pi )) d)  pt14 (polar pc (+ (* pi ) ang) r1)) (mand pline pt11 pt12 pt13 pt14 )。畫光孔 (setq s1 (ssget l)) (mand line (polar pc (+ pi ang) 3) (polar pt3 ang 3) )。d2表示螺紋小徑  ((= d ) (setq l1 18 l2 22 d2 ))  ((= d ) (setq l1 22 l2 26 d2 ))  ((= d ) (setq l1 24 l2 28 d2 ))  ((= d ) (setq l1 28 l2 34 d2 ))  ((= d ) (setq l1 30 l2 35 d2 ))  ((= d ) (setq l1 32 l2 38 d2 ))  ((= d ) (setq l1 36 l2 42 d2 ))  ((= d ) (setq l1 40 l2 45 d2 ))  ((= d ) (setq l1 44 l2 52 d2 ))  ((= d ) (setq l1 52 l2 60 d2 ))) (setq r2 (/ d2 )。l1表示螺紋深度  ((= d ) (setq l1 12 l2 16 d2 ))。(defun C:lwk()  (setq pc (osnap (getpoint \n 輸入螺紋孔端面的中心點:) near ))   (setq ang (getangle pc \n 螺紋孔中心線與水平線的夾角:)) (initget 7) (setq d (getdist \n 請輸入螺紋孔的公稱直徑(mm):))  (cond。加載后在命令行中鍵入“l(fā)wk”并回車,根據(jù)提示輸入相應(yīng)的參數(shù)即可。if )。修剪形成鍵槽  (mand rotate s1 s2 pt0 90))。畫軸上鍵槽處剖視圖的剖面線  )。畫中心線    (polar pt0 0 (+ (/ d ) 10)) ) (mand line (polar pt0 ((/ pi )) (+ (/ d ) 10))    (polar pt0 (/ pi ) (+ (/ d ) 10)) ) (mand layer s 0 )  (if (= zrl Zc)  (progn   (setq s3 (entsel \n 請選擇修剪的目標(biāo):))   (mand trim s2 s3 )。if (mand pline pt1 pt2 pt3 pt4 )。計算輪轂鍵槽上點的坐標(biāo)   (setq pt2 (list (+ (car pt0) (+(/ d ) t2)) (+ (cadr pt0) dy))    pt3 (polar pt2 ( (/ pi )) b)    pt4 (polar pt3 ( pi) ( (+ (/ d ) t2) dx)))   )。progn  )。Zc表示畫軸鍵槽的剖視圖,Lc表示畫輪轂鍵槽的端面視圖 (setq zrl (getkword \n 畫軸鍵槽的剖視圖還是輪轂鍵槽的端面視圖(Z/L)?)) (if (= zrl Zc)  (progn。t1表示軸上鍵槽的深度  ((and ( d 22) (= d 30)) (setq b 8 t1 t2 ))。根據(jù)軸徑檢索鍵槽尺寸  ((and ( d 12) (= d 17)) (setq b 5 t1 t2 ))。if  )。代碼示例如下所示。一、鍵槽尺寸視圖的繪制命令“jct”在繪制軸、齒輪或帶輪等零件圖時,經(jīng)常需要畫軸上鍵槽處的剖視圖或輪轂鍵槽的端面視圖,比較麻煩;由于鍵槽的尺寸隨軸徑的變化而變化,所以我們可以用LISP程序來實現(xiàn)自動繪圖?! ?if (AND (= S1 1)( bj1 bj2))(BBBB))  (if (AND (= S1 2)( bj1 bj2))(BBBB))  (setq j (+ j 1))    )   (setq n ( n 1))   )   (setq n 0)   (re peat i  (setq n (+ n 1))  (setq wg (eval (read (strcat c (itoa n)))))  (setq wb (eval (read (strcat a (itoa n)))))  (setq zx (eval (read (strcat d (itoa n)))))  (setq zk (eval (read (strcat e (itoa n)))))  (setq jd (eval (read (strcat f (itoa n)))))  (setq zk2 (cdr (assoc 41 (tblsearch style zx)))    zt (cdr (assoc 3 (tblsearch style zx)))   zt2 (cdr (assoc 4 (tblsearch style zx)))   )   (if (/= zk zk2)   (if (= (strcase zx) STANDARD)   (mand style zx 0 zk 0 n n n)   (mand style zx 0 zk 0 n n)   )   )   (if (= s1 1)(progn  (setq xs (+ x (* sj ( n 1))))  (setq zb (list xs y))  ( if (= fs )  ( if ( (cdr (assoc 40 (tblsearch style zx))) )  (mand text zb (/ (* jd ) pi) wb)  (mand text zb wg (/ (* jd ) pi) wb)   )  (if ( (cdr (assoc 40 (tblsearch style zx))) )    (mand text fs zb (/ (* jd ) pi) wb)   [KG*2](mand text fs zb wg (/ (* jd ) pi) wb)   )   )   )   (p rogn  (setq ys ( y (* cj ( n 1))))  (setq zb (list x ys))  ( if (= fs )  ( if ( (cdr (assoc 40 (tblsearch style zx))) )  (mand text zb (/ (* jd ) pi) wb)  (mand text zb wg (/ (* jd ) pi) wb)   )  (if ( (cdr (assoc 40 (tblsearch style zx))) )   (mand text fs zb (/ (* jd ) pi) wb)   (mand text fs zb wg (/ (* jd ) pi) wb)    )   )   )   )   )   )   (progn   (princ \n按先后次序選取文字)(princ)    (setq ss (ssget) cd (sslength ss))   (princ \n按選取文字先后次序,從斜線起點至終點等分這組文字)(princ)    (setq qd (getpoint \n斜線起點: ))   (setq zd (getpoint qd \n斜線終點: ))   (setq jd (angle qd zd))   (setq jl (distance qd zd) jl (/ jl ( cd 1)))   (setq i 0)   (repeat cd   (setq zd (polar qd jd (* i jl)))   (setq wg (cdr (assoc 40 (entget (ssname ss i)))))   (setq wb (cdr (assoc 1 (entget (ssname ss i)))))   (mand text zd wg 0 wb)   (setq i (1+ i))   )   )  )  )  (DEFUN BBBB ()  (setq b$ bj1 a$ aj1 c$ cj1)   (set (read (strcat b (itoa j))) bj2)   (set (read (strcat a (itoa j))) aj2)   (set (read (strcat c (itoa j))) cj2)   (set (read (strcat b (itoa (+ j 1)))) b$)   (set (read (strcat a (itoa (+ j 1)))) a$)   (set (read (strcat c (itoa (+ j 1)))) c$) )用LISP語言自定義AutoCAD命令A(yù)utoLISP語言作為AutoCAD的二次開發(fā)工具,雖然在功能、運行速度和保密性等方面比起ARX等工具要遜色一些,但由于它易學(xué)易用,交互性好,靈活性強,對于那些經(jīng)常使用AutoCAD進行繪圖的普通用戶來說,不失為一種理想的開發(fā)工具。word engle   (setq new (cons (car (assoc 1 ent)) ))   (setq ent1 (subst new (assoc 1 ent) ent))   (entmod ent1)   )   )   (setq index (+ index 1))   )   (setq n i)   (while (= n 2)   (setq j 1)   (wh ile (= j ( n 1))  (setq bj1 (eval (read (strcat b (itoa j)))))  (setq bj2 (eval (read (strcat b (itoa (+ j 1))))))  (setq aj1 (eval (read (strcat a (itoa j)))))  (setq aj2 (eval (read (strcat a (itoa (+ j 1))))))  (setq cj1 (eval (read (strcat c (itoa j)))))  (setq cj2 (eval (read (strcat c (itoa (+ j 1))))))  (setq dj1 (eval (read (strcat d (itoa j)))))  (setq dj2 (eval (read (strcat d (itoa (+ j 1))))))  (setq ej1 (eval (read (strcat e (itoa j)))))  (setq ej2 (eval (read (strcat e (itoa (+ j 1))))))  (setq fj1 (eval (read (strcat f (itoa j)))))  (setq fj2 (eval (read (strcat f (itoa (+ j 1))))))   。word style   (set (read (strcat e (itoa i))) zk)。word   (set (read (strcat c (itoa i))) wg)。 (princ \n2. there is over a entity)(princ)   (princ \n間距調(diào)整方式選擇如下:)(princ)    (setq sj nil cj nil)   (setq s1 (getint \n 1: ))  (if (/ = s1 3)   (progn   (if (= s1 nil)(setq s1 1))   (if (= s1 1) (setq sj (getdist \n輸入文字水平間距值(或用鼠標(biāo)點取):))   (setq cj (getdist \n輸入文字垂直間距值(或用鼠標(biāo)點取):)))    (setq fs (strcase (getstring \n選擇對齊方式(C中心/L左側(cè)/R右側(cè)/M中點) L : )))   (if (= fs M)(progn  (mand osnap nea)  (setq ss1 (getpoint \n文字起點: ))  (setq ss2 (getcorner ss1 \n文字終點: ))  (setq s2 (polar ss1 (angle ss1 ss2) (/ (distance ss1 ss2) 2)))  (mand osnap none)    )   (setq s2 (getpoint \n這組文字起點text locat
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