Abstract A method of preparing NC data for machining the interior of a region, wherein a counter profile (CNT1, CNT2) input for specifying the region (ARM) are drawn on a graphic display (106), a tablet (108) is operated to recognize the region (ARM) instructed by the graphic cursor and to apply a predetermined color to the interior thereof, a linear region (ARl) having a tool width defined by coupling the machining start point (PS) and the machining end point (PE) instructed by the graphic cursor is no more colored, the above machining end point is used as a next machining start point, the next machining end points are input successively, and the tool moves linearly along the finally instructed machining start point and the machining end point to machine the interior of the region (ARM).
A method of creating NC data for machining any area, characterized by: displaying, on a graphic display screen, contours inputted in order to specify the area; recognizing the area, which is designated by a graphic cursor by manipulation of a tablet, and painting the interior of the area in a predetermined color; removing the paint in a circle having as its center a machining starting point designated by the graphic cursor and as its radius a designated tool radius; then removing paint in a linear area, having a diameter equivalent to a tool width, which connects a machining end point designated by the graphic cursor and said machining starting point, and adopting said machining end point as the next machining starting point; and thereafter inputting machining end points in succession, and creating NC data for machining the interior of the area by traversing a finally designated machining starting point and machining end point while moving a tool linearly.
Claim 2
Independent Claim
158 words
A method of creating NC data for machining any area, characterized by: displaying, on a graphic display screen, contours inputted in order to specify the area; recognizing the area, which is designated by a graphic cursor by manipulation of a tablet, and painting the interior of the area in a predetermined color; removing the paint in a circle having as its center a machining starting point designated by the graphic cursor and as its radius a designated tool radius; then removing paint in a linear area, having a diameter equivalent to a tool width, which connects a machining end point designated by the graphic cursor and said machining starting point, and adopting said machining end point as the next machining starting point; and thereafter inputting machining end points in succession, and creating NC data for machining the interior of the area by traversing a finally designated machining starting point and machining end point while moving a tool linearly.
Claim 3
Dependent Claim
31 words
A method of creating NC data according to claim 1, characterized by displaying an excessively cut portion in a distinguishable manner if cutting is designated that exceeds boundaries of said area.
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