AUTOLISP圆柱齿轮程序

(defun c:ch () ;定义绘制圆柱齿轮三维图形子程序(setq ak 1 bk 0 ck 1 dk 0 ek 0) (command "osmode" 0) (command "ortho" 0) (command "layer" "m" "aa" "c" 1 "" "") ;建立图层 (command "layer" "m" "bb" "c" 5 "" "") (command "layer" "m" "cc" "c" 7 "" "") (setq qqq (load_dialog "chh.dcl")) ;调用显示主对话框程序 (if (not(new_dialog "ch0" qqq))(exit)) ;显示主对话框 (tianchong "tu0" "tu_00") ;调用填充幻灯片子程序 (action_tile "zhch" "(setq ak 1)(zhuanhuan0)") ;激活直齿轮控件 (action_tile "xch" "(setq bk 1)(zhuanhuan0)") ;激活斜齿轮控件 (action_tile "accept" "(done_dialog 2)") ;点击确定按钮则关闭对话框(action_tile "cancel" "(exit)") (start_dialog) (zhchun) ;调用齿轮子级子程序 );defun (defun zhuanhuan0() ;转换主对话框的输入 (setq ak (atof(get_tile "zhch"))) (setq bk (atof(get_tile "xch"))) (if (= ak 1)(tianchong "tu0" "tu_00") (tianchong "tu0" "tu_01")) );zhuanhuan0 (defun zhchun () ;定义直齿子级对话框程序 (if (= ak 1)(progn ;直齿子级对话框程序 (if (not(new_dialog "ch22" qqq))(exit)) ;显示对话框 (tianchong "tu2" "tu_1") (action_tile "zht" "(zhuanhuan)") ;激活整体式控件 (action_tile "fb" "(zhuanhuan)") ;激活腹板式控件 (action_tile "lf" "(zhuanhuan)") ;激活轮辐式控件 (action_tile "msh" "(zhuanhuan)") ;激活模数控件 (action_tile "chsh" "(zhuanhuan)") ;激活齿数控件 (action_tile "d" "(zhuanhuan)") ;激活轴径控件 (action_tile "ksh" "(zhuanhuan)") ;激活板孔数控件 (action_tile "accept" "(done_dialog 2)");点击确定按钮则关闭对话框 (action_tile "cancel" "(exit)") (start_dialog))) (if (= bk 1)(progn ;斜齿子级对话框程序 (if (not(new_dialog "ch4" qqq))(exit)) ;显示对话框 (tianchong "tu3" "tu_4") (action_tile "zht1" "(zhuanhuan1)") ;激活整体式控件 (action_tile "fb1" "(zhuanhuan1)") ;激活腹板式控件 (action_tile "lf1" "(zhuanhuan1)") ;激活轮辐式控件 (action_tile "msh1" "(zhuanhuan1)") ;激活模数控件 (action_tile "chsh1" "(zhuanhuan1)") ;激活齿数控件 (action_tile "d1" "(zhuanhuan1)") ;激活轴径控件 (action_tile "ksh1" "(zhuanhuan1)") ;激活板孔数控件 (action_tile "xj" "(zhuanhuan1)") ;激活螺旋角-度控件 (action_tile "xj1" "(zhuanhuan1)") ;激活螺旋角-分控件 (action_tile "xj2" "(zhuanhuan1)") ;激活螺旋角-秒控件 (action_tile "yx" "(zhuanhuan1)") ;激活右旋控件 (action_tile "zx" "(zhuanhuan1)") ;激活左旋控件 (action_tile "accept" "(done_dialog 2)");点击确定按钮则关闭对话框 (action_tile "cancel" "(exit)") (start_dialog))) (js) ;调用计算直齿轮参数子程序);defun (defun zhuanhuan() ;转换子级对话框的输入1 (setq ck (atof(get_tile "zht"))) (setq dk (atof(get_tile "fb"))) (setq ek (atof(get_tile "lf"))) (setq m (atof(get_tile "msh"))) (setq z (atof(get_tile "chsh"))) (setq d (atof(get_tile "d"))) (setq n (atof(get_tile "ksh"))) (if (= ck 1)(tianchong "tu2" "tu_1")) (if (= dk 1)(tianchong "tu2" "tu_2")) (if (= ek 1)(tianchong "tu2" "tu_3")) (if (or(= ck 1)(= ek 1))(mode_tile "ksh" 1)(mode_tile "ksh" 0)) );zhuanhuan (defun zhuanhuan1() ;转换子级对话框的输入1 (setq ck (atof(get_tile "zht1"))) (setq dk (atof(get_tile "fb1"))) (setq ek (atof(get_tile "lf1"))) (setq m (atof(get_tile "msh1"))) (setq z (atof(get_tile "chsh1"))) (setq d (atof(get_tile "d1"))) (setq n (atof(get_tile "ksh1"))) (setq bet (atof(get_tile "xj"))) (setq bet1 (atof(get_tile "xj1"))) (setq bet2 (atof(get_tile "xj2"))) (setq yx1 (atof(get_tile "yx"))) (setq zx1 (atof(get_tile "zx"))) (if (= ck 1)(tianchong "tu3" "tu_4")) (if (= dk 1)(tianchong "tu3" "tu_5")) (if (= ek 1)(tianchong "tu3" "tu_6")) (if (or(= ck 1)(= ek 1))(mode_tile "ksh1" 1)(mode_tile "ksh1" 0)) );zhuanhuan1 (defun tianchong (key image_name / x y) ;定义填充幻灯片子程序 (start_image key) ;开始填充 (setq x (dimx_tile key) ;将控件尺寸赋予变量x、y y (dimy_tile key) ) (fill_image 0 0 x y 131) ;填充背景色 (slide_image 0 1 (* 2 x)(- y 2) image_name) ;填充幻灯片 (end_image) ;结束填充 ) ;defun (defun js () ;定义计算齿轮参数子程序(setq rf (/ (* (- z 2.5) m) 2)) ;计算齿根圆半径 (setq rj (/ (* m z (/ (* 20 pi) 180) 2))) ;计算基圆半径 (setq r (/ (* z m) 2)) ;计算分度圆半径 (setq ra (/ (* (+ z 2) m) 2)) ;计算齿顶圆半径 (setq P (* m pi)) ;计算齿距 (setq L (* 0.35 2 r)) ;设置齿宽--0.35为齿宽系数 (setq dj (* 0.5 m)) ;设置倒角尺寸 (if (= bk 1)(progn (setq btt (+ bet (/ bet1 60) (/ bet2 3600)));btt为螺旋角变量 (setq bt0 (- 90 btt)) ;bt0为螺旋角与水平线夹角变量(setq bt (* bt0 (/ pi 180))) ;将bt0转换为弧度 (if (= zx1 1)(setq bt (- 0 bt))) ;左旋的螺旋角为负值 (setq lxx (/ L (/ (sin bt) (cos bt)))) )) (setq dc (/ 36.0 z)) ;确定切削齿轮毛坯的旋转单位角,即单位齿距所对应的1/10圆周角 (setq LL (/ (* 1.25 m)(cos (* 20 (/ pi 180))))) ;计算齿条顶部的斜线长 (setq s0 (list 200.0 30.0 0.0)) ;设置图形基准点 (setq s1 (polar s0 0 (/ P 4))) ;设置齿条廓线上一点 (setq s2 (polar s0 pi (/ P 4))) ;设置pt1对称于pt0的点 (setq s3 (polar s1 (* 110 (/ pi 180)) LL)) ;计算齿条顶部右侧端点坐标 (setq s5 (polar s1 (* -70 (/ pi 180)) LL)) ;计算齿条根部右侧端点坐标 (setq s4 (polar s2 (* 70 (/ pi 180)) LL)) ;计算齿条顶部左侧端点坐标 (setq s6 (polar s2 (* 250 (/ pi 180)) LL)) ;计算齿条根部左侧端点坐标 (setq s7 (polar s6 (* -90 (/ pi 180)) LL)) ;齿条上退后于pt6的一点 (command "layer" "s" "aa" "") ;设置当前层 (command "pline" s7 s6 s4 s3 s5) ;用多段线连接齿条上一个齿上的各点 (setq i 1) (while (<= i 7) ;利用循环复制齿条上的7各齿(共8个齿) (setq s6 (polar s6 0 P)) (setq s4 (polar s4 0 P)) (setq s3 (polar s3 0 P)) (setq s5 (polar s5 0 P)) (command s6 s4 s3 s5) (setq i (+ i 1)) ;改变循环变量值 );while (setq s8 (polar s5 (* -90 (/ pi 180)) LL)) ;最后一个齿上的与s7对应的点(command s8 "c") ;结束绘制齿条 (setq st (polar s0 (* 180 (/ pi 180))(* 4 P))) ;定义移动齿条的定位点 (command "move" "L" "" s0 st) ;将齿条向左移动4个齿距 (setq k0 (entlast)) ;为完成的齿条命名 (if (= bk 1)(xch)) ;调用绘制斜齿轮毛坯圆柱子程序 (if (= dk 1)(setq Lk (* 1.2 L))) ;计算腹板式齿轮轮毂的宽度 (if (= ak 1) ;若为直齿轮,则往下运行 (progn (command "layer" "s" "cc" "") (setq p0 (polar s0 (* 90 (/ pi 180)) r)) ;定义齿轮毛坯圆的中心点 (command "circle" p0 ra) ;绘制齿轮毛坯圆 (command "region" "L" "") ;将该毛坯圆转换为面域 (setq k2 (entlast)) ;为齿轮毛坯圆命名 )) (qzh) ;调用切制齿轮子程序 );js (defun qzh () ;定义切制齿轮子程序(command "layer" "s" "bb" "") (command "view" "swiso") ;设置三维图形绘图环境 (setq j 1) ;设置切制齿轮循环的循变量初值 (while (<= j z) ;外循环控制切制纵齿数 (setq i 1) ;定义切制一个齿的循环变量初值(while (<= i 10) ;内循环控制每个齿的切制 (command "rotate" k2 "" p0 dc) ;旋转毛胚 (setq yy (* r dc (/ pi 180) i)) ;计算齿条切制齿轮时移动量 ;dc (/ pi 180)为毛坯旋转角度的弧度值 ;(* r dc (/ pi 180) )为毛坯旋转dc角所对应的分度圆弧长 (setq pt (polar s0 0 yy)) ;定义齿条移动的定位点 (command "copy" k0 "" s0 pt) ;复制并移动齿条 (setq k1 (entlast)) (if (= ak 1) ;若为直齿则将齿轮毛坯圆建立面域(progn (command "region" "L" "") ;将复制并移动的齿条建立面域 (setq k1 (entlast)) ;命名面域 (command "delay" 10) ;延时 )) (command "subtract" k2 "" k1 "") ;切制齿轮 (setq i (+ i 1)) ;改变内循环变量值 );while---内 (setq j (+ j 1)) ;改变外循环变量值 );while----外 (command "erase" k0 "") ;擦除齿条 (setq x0 (car p0) y0 (cadr p0)) ;提取基准点的x、y坐标 (if (= ak 1) ;若为直齿,则将毛坯圆拉伸成齿轮(progn (command "layer" "s" "cc" "") (command "extrude" k2 "" L 0) ;拉伸齿轮 (setq k2 (entlast)) ;命名齿轮 )) (if(= ck 1)(progn ;整体式 (command "cylinder" p0 (/ d 2) L) ;绘制轴孔圆柱 (setq yzh (entlast)) (command "subtract" k2 "" yzh "") ;切制轴孔 )) (if (= dk 1)(progn ;腹板式 (setq LLP (/ (- Lk L) 2)) ;计算轮毂凸出部分的尺寸(setq dg (* 1.6 d)) ;计算轮毂直径 (setq ret (- rf 8)) ;计算轮缘直径 (command "cylinder"(list x0 y0 0) ret L) ;绘制轮缘圆柱 (setq yzh1 (entlast)) (command "subtract" k2 "" yzh1"") ;切制轮缘 (command "ucs" "n" (list x0 y0 (/ L 2))) ;移动坐标系 (command "ucs" "x" "") ;旋转坐标系(setq cu (* 0.15 L)) ;腹板厚度的一半(setq cup (- (/ L 2) cu)) ;凹槽深 (setq pu0 (list (/ d 2) 0) ;凹槽断面上各点的坐标pu12 (list ret 0) pu1 (list (/ d 2)(- (/ Lk 2) dj)) pu2 (list (+ (/ d 2) dj)(/ Lk 2)) pu3 (list (- (/ dg 2) dj)(/ Lk 2)) pu4 (list (/ dg 2)(-(/ Lk 2) dj)) pu5 (list (+ (/ dg 2)(/ (/ Lk 2) 40)) 0) pu11 (list ret (/ L 2)) pu10 (list (- ret dj)(- (/ L 2) dj)) pu9 (list (- (- ret dj)(/ (/ L 2) 40)) 0) pu6 (list (+ (/ dg 2)(/ (/ L 2) 40)) cu) pu7 (list (- (- ret dj)(/ (/ L 2) 40)) cu) ) (command "line" pu0 pu1 "") ;凹槽断面上各点连线(setq ef1(entlast)) (command "line" pu1 pu2 "") (setq ef2(entlast)) (command "line" pu2 pu3 "") (setq ef3(entlast)) (command "line" pu3 pu4 "") (setq ef4(entlast)) (command "line" pu4 pu5 "") (setq ef5(entlast)) (command "line" pu6 pu7 "") (setq ef6(entlast)) (command "line" pu0 pu12 "") (setq ef7(entlast)) (command "line" pu12 pu11 "") (setq ef8(entlast)) (command "line" pu11 pu10 "") (setq ef9(entlast)) (command "line" pu10 pu9 "") (setq ef10(entlast)) (command "fillet" "r" dj "fillet" "t" "t" ef5 ef6) (setq ef11(entlast)) (command "fillet" "r" dj "fillet" ef6 ef10) (setq ef12(entlast)) (command "region" ef1 ef2 ef3 ef4 ef5 ef6 ef7 ef8 ef9 ef10 ef11 ef12 "") (setq ef13 (entlast)) (command "mirror" ef13 "" pu0 pu12 "n") ;镜像断面图形 (setq ef14 (entlast)) (command "union" ef13 ef14 "") ;合并上下断面凹槽 (setq ef15 (entlast)) (command "revolve" ef15 "" "y" 360) ;旋转凹槽断面成型 (setq ef16 (entlast)) (command "union" k2 ef16 "") ;合并凹槽实体与轮缘 (command "ucs" "x" -90) (setq dddg (+ (* 0.5 (- ret (/ dg 2)))(/ dg 2))) ;计算板孔中心定位圆半径 (setq rrr (* 0.25 (- ret (/ dg 2)))) ;板孔半径 (command "cylinder" (list dddg 0 (- (/ L 4))) rrr L) ;板孔圆柱 (setq ef17 (entlast)) (setq jdd (/ (* pi (/ 360 n)) 180)) ;板孔所对的圆心角 (setq pg1 (list (+ dddg rrr) 0 (- 0 cu))) ;计算板孔下端面倒角图形上各点的坐标 (setq pg2 (list (+ (+ dddg rrr) dj) 0 (- 0 cu))) (setq pg3 (list (+ dddg rrr) 0 (+ (- 0 cu) dj))) (command "3dpoly" pg1 pg2 pg3 "c") ;画出下端面倒角的断面图形(setq eww (entlast)) (command "revolve" eww "" (list dddg 0 0)(list dddg 0 20) 360) ;旋转出齿轮下端面倒角 (setq eeww (entlast)) (setq pgg1 (list (+ dddg rrr) 0 cu)) ;计算板孔上端面倒角图形上各点的坐标 (setq pgg2 (list (+ (+ dddg rrr) dj) 0 cu)) (setq pgg3 (list (+ dddg rrr) 0 (- cu dj))) (command "3dpoly" pgg1 pgg2 pgg3 "c") ;画出上端面倒角的断面图形(setq ewww (entlast)) (command "revolve" ewww "" (list dddg 0 0)(list dddg 0 20) 360) ;旋转出齿轮上端面倒角 (setq eewww (entlast)) (setq ii 1) (while (<= ii n) (command "copy" ef17 "" (list dddg 0 0)(polar (list 0 0 0)(* ii jdd) dddg)) (setq ef18 (entlast)) (command "copy" eeww "" (list dddg 0 0)(polar (list 0 0 0)(* ii jdd) dddg)) (setq ef19 (entlast)) (command "copy" eewww "" (list dddg 0 0)(polar (list 0 0 0)(* ii jdd) dddg)) (setq ef20 (entlast)) (command "subtract" k2 "" ef18 ef19 ef20 "") (setq ii (+ ii 1)) );whlie (command "subtract" k2 "" ef17 eeww eewww "") ));dk=1 (if (= ek 1)(progn ;轮辐式 (setq dg (* 1.6 d)) ;计算轮毂直径(setq ret (- rf 15)) ;计算轮缘直径 (command "cylinder"(list x0 y0 0) ret L) ;绘制轮缘圆柱 (setq yzh1 (entlast)) (command "subtract" k2 "" yzh1"") ;切制轮缘(command "ucs" "n" (list x0 y0 (/ L 2))) ;移动坐标系(command "ucs" "x" "") ;旋转坐标系(setq hhu (* 0.8 d)) ;轮辐系数H (setq hu (* 0.8 hhu)) ;轮辐系数H1 (setq cu (* 0.2 hhu)) ;腹板厚度的一半(setq cup (- (/ L 2) cu)) ;凹槽深 (setq pu0 (list (/ d 2) 0) ;凹槽断面上各点的坐标pu12 (list ret 0) pu1 (list (/ d 2)(- (/ L 2) dj)) pu2 (list (+ (/ d 2) dj)(/ L 2)) pu3 (list (- (/ dg 2) dj)(/ L 2)) pu4 (list (/ dg 2)(-(/ L 2) dj)) pu5 (list (+ (/ dg 2)(/ (/ L 2) 40)) 0) pu11 (list ret (/ L 2)) pu10 (list (- ret dj)(- (/ L 2) dj)) pu9 (list (- (- ret dj)(/ (/ L 2) 40)) 0) pu6 (list (+ (/ dg 2)(/ (/ L 2) 40)) cu) pu7 (list (- (- ret dj)(/ (/ L 2) 40)) cu) );setq (command "line" pu0 pu1 "") ;凹槽断面上各点连线(setq ef1(entlast)) (command "line" pu1 pu2 "") (setq ef2(entlast)) (command "line" pu2 pu3 "") (setq ef3(entlast)) (command "line" pu3 pu4 "") (setq ef4(entlast)) (command "line" pu4 pu5 "") (setq ef5(entlast)) (command "line" pu6 pu7 "") (setq ef6(entlast)) (command "line" pu0 pu12 "") (setq ef7(entlast)) (command "line" pu12 pu11 "") (setq ef8(entlast)) (command "line" pu11 pu10 "") (setq ef9(entlast)) (command "line" pu10 pu9 "") (setq ef10(entlast)) (command "fillet" "r" dj "fillet" "t" "t" ef5 ef6) (setq ef11(entlast)) (command "fillet" "r" dj "fillet" ef6 ef10) (setq ef12(entlast)) (command "region" ef1 ef2 ef3 ef4 ef5 ef6 ef7 ef8 ef9 ef10 ef11 ef12 "") (setq ef13 (entlast)) (command "mirror" ef13 "" pu0 pu12 "n") ;镜像断面图形 (setq ef14 (entlast)) (command "union" ef13 ef14 "") ;合并上下断面凹槽 (setq ef15 (entlast)) (command "revolve" ef15 "" "y" 360) ;旋转凹槽断面成型 (setq ef16 (entlast)) (command "union" k2 ef16 "") ;合并凹槽实体与轮缘 (setq cuh (- L (* 0.8 2 cu))) ;肋板厚度 (setq su 10) ;肋板宽度尺寸 (if(and(> d 6)(<= d 8))(setq b 2 t1 1)) ;根据轴孔直径d确定键槽宽度b及轮毂键槽尺寸t1 (if(and(> d 8)(<= d 10))(setq b 3 t1 1.4)) (if(and(> d 10)(<= d 12))(setq b 4 t1 1.8)) (if(and(> d 12)(<= d 17))(setq b 5 t1 2.3)) (if(and(> d 17)(<= d 22))(setq b 6 t1 2.8)) (if(and(> d 22)(<= d 30))(setq b 8 t1 3.3)) (if(and(> d 30)(<= d 38))(setq b 10 t1 3.3)) (if(and(> d 38)(<= d 44))(setq b 12 t1 3.3)) (if(and(> d 44)(<= d 50))(setq b 14 t1 3.8)) (if(and(> d 50)(<= d 58))(setq b 16 t1 4.3)) (if(and(> d 58)(<= d 65))(setq b 18 t1 4.4)) (if(and(> d 65)(<= d 75))(setq b 20 t1 4.9)) (if(and(> d 75)(<= d 85))(setq b 22 t1 5.4)) (if(and(> d 85)(<= d 95))(setq b 25 t1 5.4)) (if(and(> d 95)(<= d 110))(setq b 28 t1 6.4)) (setq puu1 (list (- 0 (/ su 2))(/ cuh 2)(+ (/ d 2) t1 2)) ;肋板断面上各点的坐标puu2 (list (+ 0 (/ su 2))(/ cuh 2)(+ (/ d 2) t1 2)) puu3 (list (+ 0 (/ su 2))(- 0 (/ cuh 2))(+ (/ d 2) t1 2)) puu4 (list (- 0 (/ su 2))(- 0 (/ cuh 2))(+ (/ d 2) t1 2)) ) (command "3dpoly" puu1 puu2 puu3 puu4"c") ;画出上端面倒角的断面图形(setq ewwww (entlast)) (command "extrude" ewwww "" (- rf(/ d 2) 8) 0) ;拉伸肋板 (setq err (entlast)) (command "ucs" "w" "") (command "array" err "" "p" (list x0 y0 0) 6 360 "y") ;阵列肋板 (command "union" "all" "") ;合并肋板与轮毂、轮缘(setq k2 (entlast)) (command "ucs" "n" (list x0 y0 0)) ;绘制板槽图形 (setq pq1 (list (/ hhu 2) 0)) ;第一条线段两端点坐标 (setq pq2 (list (/ hu 2) ra)) (command "line" pq1 pq2 "") ;连接此两点 (setq et (entlast)) (setq pq3 (polar (list 0 0 0)(/(* pi 120) 180)(/ hhu 2)));第二条线段两端点坐标 (setq pq4 (polar pq2 (/(* pi 330) 180)(- ra hu))) (command "line" pq3 pq4 "") ;连接此两点(setq ett (entlast)) (setq pq5 (polar (list 0 0)(/(* pi 46) 180) (- ret 8))) ;圆弧槽两端点坐标 (setq pq6 (polar (list 0 0)(/(* pi 76) 180) (- ret 8))) (command "arc" "c" (list 0 0 0) pq5 pq6) ;画出圆弧槽上的圆弧 (setq eett (entlast)) (setq hff (atan(/ (* 0.5 (- hhu hu)) ra))) ;计算线1的角度(setq pqq1 (polar (list (/ hhu 2) 0 0) (+ (/ (* 90 pi) 180) hff) (- (- ret 8) 6))) ;线1上中间一点的端点坐标(setq pqq3 (polar (list 0 0)(/(* pi 50) 180) (- ret 8))) ;计算圆弧上中间一点的坐标(command "fillet" "r" 10 "fillet" et ett) ;倒两直线圆弧 (setq eete (entlast)) (command "fillet" "r" 10 "fillet" pqq1 pqq3) ;倒第一直线和圆弧的圆角 (setq eetee (entlast)) (setq jddd (angle (polar (list 0 0 0)(/(* pi 120) 180)(/ hhu 2));求pq3,pq4两点连线的角度(polar pq2 (/(* pi 330) 180)(- ra hu)))) (setq pqq2 (polar pq3 jddd (- (- ret 8) 10))) ;线2上中间一点的端点坐标 (command "fillet" "r" 10 "fillet" pqq2 pqq3) ;倒第二直线和圆弧的圆角(setq eette (entlast)) (command "region" eete eette eett ett et eetee"") ;将圆弧槽作成面域 (setq efg (entlast)) (command "extrude" efg "" L 0) ;拉伸圆弧槽 (setq efgg (entlast)) (command "array" efgg "" "p" (list 0 0) 6 360 "y") (command "subtract" k2 "" "all" "") ));ek=1 (command "ucs" "w" "") (if(and(> d 6)(<= d 8))(setq b 2 t1 1)) ;根据轴孔直径d确定键槽宽度b及轮毂键槽尺 寸t1 (if(and(> d 8)(<= d 10))(setq b 3 t1 1.4)) (if(and(> d 10)(<= d 12))(setq b 4 t1 1.8)) (if(and(> d 12)(<= d 17))(setq b 5 t1 2.3)) (if(and(> d 17)(<= d 22))(setq b 6 t1 2.8)) (if(and(> d 22)(<= d 30))(setq b 8 t1 3.3)) (if(and(> d 30)(<= d 38))(setq b 10 t1 3.3)) (if(and(> d 38)(<= d 44))(setq b 12 t1 3.3)) (if(and(> d 44)(<= d 50))(setq b 14 t1 3.8)) (if(and(> d 50)(<= d 58))(setq b 16 t1 4.3)) (if(and(> d 58)(<= d 65))(setq b 18 t1 4.4)) (if(and(> d 65)(<= d 75))(setq b 20 t1 4.9)) (if(and(> d 75)(<= d 85))(setq b 22 t1 5.4)) (if(and(> d 85)(<= d 95))(setq b 25 t1 5.4)) (if(and(> d 95)(<= d 110))(setq b 28 t1 6.4)) (command "facetres" 4) ;设置渲染精度参数 (setq pw1 (list (- x0 (/ b 2)) y0) ;确定绘制轮毂键槽上的四点坐标 pw2 (list (+ x0 (/ b 2)) y0) pw3 (list (- x0 (/ b 2))(- y0 (+(/ d 2) t1))) pw4 (list (+ x0 (/ b 2))(- y0 (+(/ d 2) t1)))) (command "pline" pw1 pw2 pw4 pw3 pw1 "") ;用多段线绘制轮毂键槽平面图形 (setq e5(entlast)) (if (or(= ck 1)(= ek 1))(progn ;整体式和轮辐式 (command "extrude" e5 "" L 0) ;将键槽平面图形拉伸为三维图形 (setq ee2(entlast)) (command "subtract" k2 "" ee2 "") ;切除键槽 )) (if (= dk 1)(progn ;腹板式 (command "move" e5 "" (list 0 0 0)(list 0 0 (- 0 LLP))) (command "extrude" e5 "" Lk 0) ;将键槽平面图形拉伸为三维图形 (setq ee2(entlast)) (command "subtract" k2 "" ee2 "") ;切除键槽 )) (if (= ck 1)(progn ;整体式--切制轴孔倒角 (setq pf1 (list (+ x0(/ d 2)) y0)) ;计算齿轮下端面轴孔倒角图形上各点的坐标 (setq pf2 (list (+ x0 dj (/ d 2)) y0)) (setq pf3 (list (+ x0 (/ d 2)) y0 dj)) (command "3dpoly" pf1 pf2 pf3 "c") ;画出下端面轴孔倒角的断面图形 (setq ew (entlast)) (command "revolve" ew "" (list x0 60 0)(list x0 60 20) 360) ;旋转出齿轮下端面轴孔倒角 (setq es (entlast)) (setq pr1 (list (+ x0 (/ d 2)) y0 L)) ;计算齿轮上端面轴孔倒角图形上各点的坐标 (setq pr2 (list (+ x0 dj (/ d 2)) y0 L)) (setq pr3 (list (+ x0 (/ d 2)) y0 (- L dj))) (command "3dpoly" pr1 pr2 pr3 "c") ;画出上端面轴孔倒角的断面图形 (setq el (entlast)) (command "revolve" el "" (list x0 60 0)(list x0 60 20) 360) ;旋转出齿轮上端面倒轴孔角(setq ed (entlast)) )) (if (= dk 1)(progn ;腹板式--切制轴孔倒角 (setq pf1 (list (+ x0(/ d 2)) y0 (- 0 LLP))) ;计算齿轮下端面轴孔倒角图形上各点的坐标 (setq pf2 (list (+ x0 dj (/ d 2)) y0 (- 0 LLP))) (setq pf3 (list (+ x0 (/ d 2)) y0 (+ (- 0 LLP) dj))) (command "3dpoly" pf1 pf2 pf3 "c") ;画出下端面轴孔倒角的断面图形 (setq ew (entlast)) (command "revolve" ew "" (list x0 y0 0)(list x0 y0 20) 360) ;旋转出齿轮下端面倒角 (setq es (entlast)) (setq pr1 (list (+ x0 (/ d 2)) y0 (- Lk LLp))) ;计算齿轮上端面轴孔倒角图形上各点的坐标 (setq pr2 (list (+ x0 dj (/ d 2)) y0 (- Lk LLp))) (setq pr3 (list (+ x0 (/ d 2)) y0 (- (- Lk LLp) dj))) (command "3dpoly" pr1 pr2 pr3 "c") ;画出上端面轴孔倒角的断面图形 (setq el (entlast)) (command "revolve" el "" (list x0 0 0)(list x0 0 20) 360) ;旋转出齿轮上端面倒角 (setq ed (entlast)) )) (command "subtract" k2 "" es ed "") ;切除轴孔上下面的倒角 (setq p00 (list (car p0) (cadr p0) L)) ;p00为齿轮上端面的中心点 (setq pp0 (polar p0 (/ pi 2) ra)) ;确定倒角断面上各点的坐标 (setq ppp0 (list (car pp0) (cadr pp0) L )) ;pp0、ppp0为齿轮上下两端面边缘的定位点 (setq pp1 (list (car pp0) (cadr pp0) dj)) (setq pp2 (list (car pp0) (- (cadr pp0) dj) 0)) ;pp1、pp2为下端面轮齿倒角断面上的点(command "3dpoly" pp0 pp1 pp2 "c" "") ;绘制下端面轮齿的倒角断面图形 (setq ff (entlast)) (command "revolve" ff "" P0 P00 360 "") ;将下端面轮齿倒角断面旋转成型 (command "subtract" k2 "" "l" "") ;切出下端面轮齿倒角 (setq ppp1 (list (car ppp0) (cadr ppp0) (- (caddr ppp0) dj))) (setq ppp2 (list (car ppp0) (- (cadr ppp0) dj) (caddr ppp0))) ;ppp1、pppp2为上端面轮齿倒角断面图形上的点 (command "3dpoly" ppp0 ppp1 ppp2 "c" "");绘制上端面轮齿倒角断面图形 (setq bbb (entlast)) (command "revolve" bbb "" P0 P00 360 "") ;将上端面齿轮的倒角断面旋转成型(command "subtract" k2 "" "L" "") ;切出倒角 (command "osmode" 167) (command "ortho" 1 ) );qzh (defun xch () ;定义斜齿轮拉伸齿条子程序(command "view" "swiso") ;设置三维图形绘图环境 (command "line" (list 0 0 0) (list lxx 0 L)"") ;根据齿轮螺旋角及高度画齿条拉伸路径 (setq k9 (entlast)) ;为齿条拉伸路径命名 (command "extrude" k0 "" "P" k9) ;拉伸齿条 (setq k0 (entlast)) (command "copy" k0 "" (list 0 0 0)(list lxx 0 L)) ;复制齿条 (setq kk0 (entlast)) (command "union" k0 kk0 "") ;合并两齿条 (setq k0 (entlast)) (command "erase" k9 "") ;删除齿条拉伸路径线(command "layer" "s" "cc" "") (setq p0 (polar s0 (* 90 (/ pi 180)) r )) ;确定齿轮毛坯圆柱中心点 (command "cylinder" p0 ra L) ;画出齿轮毛坯圆柱 (setq k2 (entlast)) ;为齿轮毛坯圆柱命名 );xch