q c 0.25)
( progn (setq ha 1)
(setq c 0.35)
);progn
(progn (if (= xsh 2) (setq ha 0.8 c 0.3)))
;***************====draw*****====
(defun chilun0()
(command "-layer" "c" cc "" "")
(setq p0 (list x0 y0 ))
;(command "_circle" p0 "d" 158);基圓直徑rb
(command "_circle" p0 "d" d );分度圓r 200=d
(setq c2 (entlast));分度圓賦給c2
(command "_circle" p0 "d" da );齒頂圓ra 210 =da
(setq c3 (entlast));齒頂圓
(command "_circle" p0 "d" (setq df (/ (* 33 d) 35)) );輔助圓直徑rf 189=df=33d/35
(setq c1 (entlast));輔助圓
(setq ag1 (atan (/ p 3) (sqrt (- (expt (/ d 2) 2) (expt (/ p 4) 2)))));3.925=p/2/2 5.5為修正後結果 5.5=p/4 100=d/2 3.925=p/4
(setq ag2 (atan (/ d 10) (sqrt (- (expt (/ df 2) 2) (expt (/ d 10) 2)))));20=d/10 94.5=df/2
(setq ag3 (- (/ pi 2) (- (* 2 ag2) ag1)))
(setq p1 (polar p0 (+ ag1 (* 0.5 pi)) (/ d 2)));分度圓齒廓上的點 100
(setq p2 (polar p0 ag3 (/ df 2)));輔助圓上的點 94.5
(command "_circle" p2 "d" (/ (* 2 d) 5)); 80=齒廓圓d
(setq c4 (entlast));齒廓圓
(setq p3 (polar p2 (/ pi 2) (/ d 5)));齒廓圓上的修剪點 40
(setq p4 (polar p2 (- (/ pi 2)) (/ d 5)));齒廓圓上的修剪點 40
(setq p5 (polar p0 0 (/ df 2)));輔助圓上的修剪點 94.5
(setq p6 (polar p0 0 (/ da 2)));齒頂圓上的修剪點 105
(setq p7 (polar p0 (+ ag2 ag3) (/ da 2)));齒頂圓上的點，第二次修剪用 105
(setq p8 (polar p0 (+ ag2 ag3) (/ df 2)));輔助圓上的點，第二次修剪用 94.5
(command "_erase" c2 "");刪掉分度圓
(command "_trim" c1 c3 c4 "" p3 p4 p5 p6 "");修剪
(command "_mirror" p1 "" (polar p0 0 0) (polar p0 (/ pi 2) (/ d 2)) "n"); 100
(command "_trim" "all" "" p7 p8 "");第二次修剪
(command "_region" "all" "" );面域
(setq f1 (entlast))
(setq p9 (list (car p1) (cadr p1) h)); 100
(command "line" p1 p9 "");拉伸路徑
(setq l1 (entlast))
(command "_circle" p0 "d" df);齒根圓 189
(setq f2 (entlast))
(command "_extrude" f1 "" "p" l1 );將單齒面和圓拉伸
(setq b1 (entlast));單個齒
(command "-array" b1 "" "p" p0 z 360 "y" );陣列輪齒;;;;;;;;;;;;;;;;
(command "_extrude" f2 "" "p" l1 )
(command "_union" "all" "" )
(setq b0 (entlast))
;====huizhikong**********
(command "_circle" p0 "d" (* 0.3 d));0.3*d
(command "_region" (entlast) "" )
(setq f3 (entlast))
(command "_circle" p0 "d" (* 0.79 d));0.79*d
(command "_region" (entlast) "" )
(setq f4 (entlast))
(command "_subtract" f4 "" f3 "" )
(setq f5 (entlast))
(command "_extrude" f5 "" (* 0.375 h) "" );;;;;;;;;;;;;;;
(setq b1 (entlast))
(command "_circle" (list (car p0) (cadr p0) h) "d" (* 0.3 d));0.3*d
(command "_region" (entlast) "" )
(setq f33 (entlast))
(command "_circle" (list (car p0) (cadr p0) h) "d" (* 0.79 d));0.79*d
(command "_region" (entlast) "" )
(setq f44 (entlast))
(command "_subtract" f44 "" f33 "" )
(setq f55 (entlast))
(command "_extrude" f55 "" (- (* 0.375 h)) "" );;;;;;;;;;;;;;;;
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