三维螺栓的制作

my1848 · 发表于 2005-1-16 15:52:00

大家好，不知道哪位大虾有没有做三维螺栓的，如果有的话希望能上传上传，谢谢！！！

FJQZ456 · 发表于 2005-1-16 16:06:00

加载以下这个程序就能做你要的螺栓了.

(defun shuru () ;输入参数
(setq zhijing (getREAL "公称直径:"))
(setq luoju (getreal "螺距:"))
(SETQ QUANSHU (GETREAL "螺纹有效圈数:"))
(SETQ JINGDU (GETint "每转切割次数:"))
(setq QIDIAN (getpoint "输入起始点:"))
)
(defun JISUAN () ;计算螺纹参数
(setq H (* 0.8660254 luoju))
(setq D2 (- zhijing (* 2 0.375 H)))
(SETQ LD2 (* D2 PI))
(SETQ LUOXUANJIAO (ATAN (/ LUOJU LD2)))
(SETQ LXJ (* 180 (/ LUOXUANJIAO pi)))
(setq banjiao(atan(/ luoju zhijing)))
(setq djxc (sqrt(+ (expt luoju 2) (expt zhijing 2))))
(setq pyj (+ banjiao luoxuanjiao))
(setq pianyi (* (sin pyj) djxc))
(setq pianyi (/ pianyi 2.0000))
(SETQ SL (fix (* (+ 1 QUANSHU) JINGDU ))) ;数量
(SETQ FD (/ 360.0000 JINGDU)) ;分度
(SETQ BC (/ (* 1.0000 LUOJU) JINGDU))
(setq bc (- bc)) ;步长
)
(defun draw () ;绘制
(setq pt1 (polar QIDIAN PI (/ LUOJU 2.0000)))
(SETQ PT1 (POLAR PT1 (* 1.5 PI) (+ (* 0.1250 H) (/ ZHIJING 2.0000))))
(setq pt2 (polar pt1 0 (* luoju 0.375 (cos LUOXUANJIAO))))
(SETQ PT2 (POLAR PT2 (* 0.5 PI) (* 0.750 H)))
(setq pt3 (polar pt2 0 (* 0.25 LUOJU (cos LUOXUANJIAO))))
(setq pt4 (polar pt1 0 (* LUOJU (cos LUOXUANJIAO)))) ;基本三角形
(setq pt5 (polar QIDIAN pi (* 2.00 LUOJU QUANSHU)))
(setq pt7 (polar pt5 0 (* 2 LUOJU)))
(setq pt7 (polar pt7 (* 1.5 pi) (/ ZHIJING 2))) ;螺纹轴线
(setq pt6 (polar pt5 0 LUOJU))
(SETQ PT6 (POLAR PT6 (* 0.5 PI) (* 0.50000 ZHIJING))) 光杆轮廓
(SETQ PT8 (POLAR PT1 0 (* 0.5 LUOJU)))
(SETQ PT9 (POLAR PT8 (* 0.5 PI) (* 0.8 ZHIJING))) ;齿条转动轴线
(SETQ MV (POLAR QIDIAN 0 (/ ZHIJING 2.0000)))
;制做齿条并转角
(command "pline" pt1 pt2 pt3 pt4 "c" )
(command "extrude" "last" "" ZHIJING "" )
(setq SS (ssget pt1))
(rotate3d ss PT9 PT8 90)
(COMMAND "MOVE" "Previous" "" QIDIAN MV )
(rotate3d ss "" PT8 PT9 90)
(rotate3d ss "" PT9 PT8 LXJ)
(SETQ YD (POLAR QIDIAN 0 (/ LUOJU 2.0000)))
(COMMAND "MOVE" "Previous" "" QIDIAN YD ) ;外移
;制做光杆
(SETQ PT0 (POLAR QIDIAN 0 LUOJU))
(COMMAND "LINE" PT5 PT0 "")
(COMMAND "rectang" PT6 QIDIAN)
(COMMAND "revolve" "LAST" "" PT5 qidian "")
(command "zoom" "e")
;布尔运算
(SETQ PT (POLAR PT4 0 pianyi))
(SETQ SQ pt6)
(while (/= SL 0) ;判断
(SETQ SS (SSGEt pt))
(setq pta (polar pt 0 bc))
(command "copy" ss "" pt pta)
; (prin1 pt)
(COMMAND "subtract" sq "" ss "") ;相减
; (setq zanting(getstring))
(setq SS (ssget pt6))
(ROTATE3D SS PT5 qidian FD ) ;旋转
(setq PT pta) ;步进
(SETQ SL (- SL 1))
)
(setq pta (polar pt 0 bc))
(COMMAND "ERASE" PT "")
)
(defun C:3DLW ()
(arxload "geom3d.ARX" NIL)
(shuru)
(SETQ SSs (GETVAR "OSMODE"))
(SETVAR "OSMODE" 0)
(SETQ SNM (GETVAR "SNAPMODE"))
(SETVAR "SNAPMODE" 0)
(SETQ PICKB (GETVAR "PICKBOX"))
(SETVAR "PICKBOX" 0)
(setq cmd (getvar "cmdecho"))
(setvar "cmdecho" 0)
(JISUAN)
(SETQ GD (* 60 ZHIJING))
(SETQ CT (POLAR QIDIAN PI (* LUOJU QUANSHU)))
(COMMAND "ZOOM" "C" CT GD)
(draw)
(SETVAR "OSMODE" SSs)
(setvar "cmdecho" cmd)
(SETVAR "SNAPMODE" SNM)
(SETVAR "PICKBOX" PICKB)
)
(princ "\n\tC: 3DLW 为绘制命令")
(princ)