Makino Milling Machine Company, Ltd

Kazutoshi Yabe

Yasunori Masumiya

Kyohei Suzuki

Takashi Kageyama

A cutting method in which a workpiece is cut on the basis of a plurality of tool paths parallel to one another into a shape having a corner that protrudes outward. A machining step for machining the workpiece on the basis of one tool path and a moving step for moving to the starting point of the next machining step after the completion of the one machining step are repeated. In the machining step, a cutting step for cutting the workpiece in the one tool path and a removing step for removing a burr by moving a tool relatively to the workpiece in the same tool path as that of the cutting step in a region forming the corner are successively performed.

Cutting method and tool path generating device

A machine tool with a workpiece mounting block is provided that permit a plurality of workpieces to be mounted and machined without giving rise to interference between the workpiece or a table and a main spindle. Work mounting section () in a shape of square pyramid with four sides serving as workpiece mounting surfaces is fixed to table (). Main spindle () with tool () mounted thereon can be moved relative to table () in three mutually orthogonal X, Y, and Z-directions, and table () can be moved in rotation feed in A and C-directions. Positions of rotation angle of A-axis and C-axis when the workpiece mounting surface is perpendicular to the axis of main spindle () are stored in advance in storage mechanisms. When workpieces () mounted on the workpiece mounting surfaces are to be machined, a workpiece coordinate system is set based on the stored positions of the rotation angle and NC machining is carried out.

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