| 摘要 |
<p>A machine (84) is provided for making holes in the legs (101,102) of a structural angle (80) oriented Iengthwise along the X-axis of a mutually orthogonal X, Y, and Z-axis coordinate system. The machine includes a first or main frame (201,202), a second frame (280) moveable along the Y-axis relative to the first frame, and a carriage (420) moveable along the Z-axis relative to the second frame. A punch (342) is mounted on the second frame (201,202) for punching a first hole in the first leg (101) of the angle. A drill (520) is mounted on the carriage (420) for drilling a second hole in the second leg (102) of the angle. The punch has a punch operating axis along which the punch moves longitudinally to punch the first hole and which is parallel to the Z-axis. The drill has a drill feed operation axis along which the drill moves longitudinally to drill the second hole and which is parallel to the Y-axis. The drill and the punch are oriented with the drill feed operation axis and the punch operation axis together defining a common plane.</p> |
