CAD命令及用法详解(国外英语资料).doc

CAD命令及用法详解(国外英语资料) CAD commands and usage detail I. drawing commands Straight line: L Directions: enter the command L/, enter / mouse, specify the first point / input value (that is, specify second points) / carriage return (then the line is drawn) / carriage return (end command) X ray: RAY Usage: enter command RAY/, enter / mouse, specify ray start / specify pass point / carriage return (end command) Tectonic line: XL Usage: enter command XL/, enter / mouse, specify line start / point, through point / carriage return (end command) Multi line: PL Usage 1: same line command Usage: 2 input command PL/ / W / input enter designated starting point (drawing with the width of the line) / return / line width specified starting point / return / line width specified end point / return / input value (line length value) / return (end command) Regular polygon: POL Usage: enter the command POL/, enter / specify the number of edges / return / mouse, specify the center point of the regular polygon / input option (C, circumscribed circle, I inscribed in circle) / enter / input radius / carriage return (end command) Rectangle: REC Usage 1: enter the command REC/, enter / mouse, specify the first corner / specify second corners Usage 2: enter command REC/, enter / enter C (draw rectangular with chamfer) / enter / enter, first chamfer value / enter / input second chamfer value / enter / mouse, specify the first corner / specify second corners Usage 3: enter the command REC/, enter / enter F (draw a rectangle with rounded corners) / enter / input fillet radius / return / specify the first corner / specify second corners Arc: A Usage: enter command A/, enter / specify the arc starting point / specify the arc midpoint / specify the arc end point There are 11 ways to draw arcs. You can refer to the drawing menu arc option Circle: C Directions: enter command C/, enter / mouse, specify Center / input radius / carriage return (end of command) There are 6 ways to draw a circle. You can refer