chamous 发表于 2006-6-27 10:23:00

[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>&nbsp; (setvar "cmdecho" 0)<BR>&nbsp; ;;;获得已知参数<BR>&nbsp; (setq c (getpoint "\n 请指定标准齿轮中心点&lt;0,0&gt;:"))<BR>&nbsp; (if (null c) (setq c '(0 0)))<BR>&nbsp; (setq m (getreal "\n 请指定轮齿模数&lt;2.5&gt;:"))<BR>&nbsp; (if (null m) (setq m 2.5))<BR>&nbsp; (setq z (getint "\n 请确定齿数&lt;20&gt;:"))<BR>&nbsp; (if (null z) (setq z 20))<BR>&nbsp; ;;;计算齿轮参数<BR>&nbsp; (setq d (* m z))<BR>&nbsp; (setq ha m)<BR>&nbsp; (setq hf (* m 1.25))<BR>&nbsp; (setq da (+ d ha ha))<BR>&nbsp; (setq df (- d hf hf))<BR>&nbsp; (setq db (* d (cos (* (/ pi 180) 20))))<BR>&nbsp; ;;;计算过程参数<BR>&nbsp; (setq b (* db 0.5))<BR>&nbsp; (setq c1 (* da 0.5))<BR>&nbsp; (setq c2 (* d 0.5))<BR>&nbsp; (setq c3 (* df 0.5))<BR>&nbsp; (setq a (sqrt (- (* c2 c2) (* b b))))<BR>&nbsp; (setq zc1 (* 0.5 (+ a b c1)));;;zc为计算三角形周长的一半<BR>&nbsp; (setq zc2 (* 0.5 (+ a b c2)))<BR>&nbsp; (setq zc3 (* 0.5 (+ a b c3)))<BR>&nbsp; (setq s1 (sqrt (* zc1 (- zc1 a) (- zc1 b) (- zc1 c1))))<BR>&nbsp; (setq s2 (sqrt (* zc2 (- zc2 a) (- zc2 b) (- zc2 c2))))<BR>&nbsp; (setq s3 (sqrt (* zc3 (- zc3 a) (- zc3 b) (- zc3 c3))))<BR>&nbsp; (setq h1 (/ (* s1 2) c1))<BR>&nbsp; (setq h2 (/ (* s2 2) c2))<BR>&nbsp; (setq h3 (/ (* s3 2) c3))<BR>&nbsp; (setq w1 (sqrt (- (* b b) (* h1 h1))))<BR>&nbsp; (setq w2 (sqrt (- (* b b) (* h2 h2))))<BR>&nbsp; (setq w3 (sqrt (- (* b b) (* h3 h3))))<BR>&nbsp; (setq ang (* pi (/ (- (/ 360 (* z 4)) 0.02) 180)))<BR>&nbsp; (setq ang1 (atan (/ h1 w1)))<BR>&nbsp; (setq ang2 (atan (/ h2 w2)))<BR>&nbsp; (setq ang3 (atan (/ h3 w3)))<BR>&nbsp; (setq z1 (- ang2 ang1))<BR>&nbsp; (setq z2 (- ang3 ang2))<BR>&nbsp; (setq a1 (- ang z1))<BR>&nbsp; (setq a3 (+ ang z2))<BR>&nbsp; (setq angz (/ (* pi 2) z))<BR>&nbsp; (setq angs (* a3 2))<BR>&nbsp; (setq angc (- angz angs))<BR>&nbsp; ;;;计算绘图点<BR>&nbsp; (setq b1 (polar c (- 0 a1) c1))<BR>&nbsp; (setq b2 (polar c (- 0 ang) c2))<BR>&nbsp; (setq b3 (polar c (- 0 a3) c3))<BR>&nbsp; (setq p (polar c 0 c1))<BR>&nbsp; (setq pt1 (polar c (+ 0 a1) c1))<BR>&nbsp; (setq pt2 (polar c (+ 0 ang) c2))<BR>&nbsp; (setq pt3 (polar c (+ 0 a3) c3))<BR>&nbsp; (setq pt4 (polar c (+ 0 angc a3) c3))<BR>&nbsp; ;;;开始绘制轮齿<BR>&nbsp; (command "layer" "M" "3中心线" "C" 4 "" "L" "center" "" "")<BR>&nbsp; (setq os (getvar "osmode"))<BR>&nbsp; (setvar "osmode" 0)<BR>&nbsp; (command "clayer" "0")<BR>&nbsp; (command "pline" b3 "w" 0 "" "a" "s" b2 b1 "s" p pt1 "s" pt2 pt3 "ce" c pt4 "")<BR>&nbsp; (command "array" (entlast) "" "p" c z "" "")<BR>&nbsp; (command "circle" c "d" c2)<BR>&nbsp; (command "clayer" "中心线")<BR>&nbsp; (command "circle" c c2)<BR>&nbsp; (setvar "osmode" os)<BR>&nbsp; (princ)<BR>&nbsp; )</P>

cyxzime 发表于 2006-6-27 10:38:00

<P>啥多没有</P>

qianglcq 发表于 2006-6-28 19:06:00

怎么不上传附件呀

qianglcq 发表于 2006-6-29 09:50:00

<TABLE class=tablebody2 style="TABLE-LAYOUT: fixed; WORD-BREAK: break-all" width="90%" border=0>
<TBODY>
<TR>
<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>&nbsp;<B></B><BR>怎么不上传附件呀</TD></TR></TBODY></TABLE>

ly810530 发表于 2006-7-1 16:50:00

好,谢谢!!!

578749467 发表于 2010-11-24 13:27:00

好,谢谢!!!

yoyoho 发表于 2010-11-25 07:15:00

<p>感谢楼主分享!</p>

NMGLL 发表于 2011-3-22 03:14:28

谢谢搂主 分享

池塘花香 发表于 2011-3-22 09:35:34

不错,收藏,虽然不怎么用到齿轮

徵志 发表于 2011-7-9 14:22:09

多谢分享!!!
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