[原创]标准直齿圆柱齿轮程序
本帖最后由 作者 于 2006-6-29 15:43:27 编辑 <br /><br /> <P>自己做的一个小程序,与大家共享.</P><P>加载后在命令行输入:CW回车</P>
<P>以后按提示输入相关参数.</P>
<P>(defun c:cw ()<BR> (setvar "cmdecho" 0)<BR> ;;;获得已知参数<BR> (setq c (getpoint "\n 请指定标准齿轮中心点<0,0>:"))<BR> (if (null c) (setq c '(0 0)))<BR> (setq m (getreal "\n 请指定轮齿模数<2.5>:"))<BR> (if (null m) (setq m 2.5))<BR> (setq z (getint "\n 请确定齿数<20>:"))<BR> (if (null z) (setq z 20))<BR> ;;;计算齿轮参数<BR> (setq d (* m z))<BR> (setq ha m)<BR> (setq hf (* m 1.25))<BR> (setq da (+ d ha ha))<BR> (setq df (- d hf hf))<BR> (setq db (* d (cos (* (/ pi 180) 20))))<BR> ;;;计算过程参数<BR> (setq b (* db 0.5))<BR> (setq c1 (* da 0.5))<BR> (setq c2 (* d 0.5))<BR> (setq c3 (* df 0.5))<BR> (setq a (sqrt (- (* c2 c2) (* b b))))<BR> (setq zc1 (* 0.5 (+ a b c1)));;;zc为计算三角形周长的一半<BR> (setq zc2 (* 0.5 (+ a b c2)))<BR> (setq zc3 (* 0.5 (+ a b c3)))<BR> (setq s1 (sqrt (* zc1 (- zc1 a) (- zc1 b) (- zc1 c1))))<BR> (setq s2 (sqrt (* zc2 (- zc2 a) (- zc2 b) (- zc2 c2))))<BR> (setq s3 (sqrt (* zc3 (- zc3 a) (- zc3 b) (- zc3 c3))))<BR> (setq h1 (/ (* s1 2) c1))<BR> (setq h2 (/ (* s2 2) c2))<BR> (setq h3 (/ (* s3 2) c3))<BR> (setq w1 (sqrt (- (* b b) (* h1 h1))))<BR> (setq w2 (sqrt (- (* b b) (* h2 h2))))<BR> (setq w3 (sqrt (- (* b b) (* h3 h3))))<BR> (setq ang (* pi (/ (- (/ 360 (* z 4)) 0.02) 180)))<BR> (setq ang1 (atan (/ h1 w1)))<BR> (setq ang2 (atan (/ h2 w2)))<BR> (setq ang3 (atan (/ h3 w3)))<BR> (setq z1 (- ang2 ang1))<BR> (setq z2 (- ang3 ang2))<BR> (setq a1 (- ang z1))<BR> (setq a3 (+ ang z2))<BR> (setq angz (/ (* pi 2) z))<BR> (setq angs (* a3 2))<BR> (setq angc (- angz angs))<BR> ;;;计算绘图点<BR> (setq b1 (polar c (- 0 a1) c1))<BR> (setq b2 (polar c (- 0 ang) c2))<BR> (setq b3 (polar c (- 0 a3) c3))<BR> (setq p (polar c 0 c1))<BR> (setq pt1 (polar c (+ 0 a1) c1))<BR> (setq pt2 (polar c (+ 0 ang) c2))<BR> (setq pt3 (polar c (+ 0 a3) c3))<BR> (setq pt4 (polar c (+ 0 angc a3) c3))<BR> ;;;开始绘制轮齿<BR> (command "layer" "M" "3中心线" "C" 4 "" "L" "center" "" "")<BR> (setq os (getvar "osmode"))<BR> (setvar "osmode" 0)<BR> (command "clayer" "0")<BR> (command "pline" b3 "w" 0 "" "a" "s" b2 b1 "s" p pt1 "s" pt2 pt3 "ce" c pt4 "")<BR> (command "array" (entlast) "" "p" c z "" "")<BR> (command "circle" c "d" c2)<BR> (command "clayer" "中心线")<BR> (command "circle" c c2)<BR> (setvar "osmode" os)<BR> (princ)<BR> )</P> <P>啥多没有</P> 怎么不上传附件呀 <TABLE class=tablebody2 style="TABLE-LAYOUT: fixed; WORD-BREAK: break-all" width="90%" border=0>
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<TD style="FONT-SIZE: 9pt; LINE-HEIGHT: 12pt" width="100%"><IMG alt=发贴心情 src="http://www.mjtd.com/bbs/skins/default/topicface/face1.gif" border=0> <B></B><BR>怎么不上传附件呀</TD></TR></TBODY></TABLE> 好,谢谢!!! 好,谢谢!!! <p>感谢楼主分享!</p> 谢谢搂主 分享
不错,收藏,虽然不怎么用到齿轮 多谢分享!!!
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