| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a stable processing tool without a tool edge damage, by suppressing winding of chips around a tool in the processing of an inner-diameter groove of a pipe. <P>SOLUTION: A T-slot cutter structure includes a plurality of cutting edges, which have predetermined rake angles at each tip and are provided radially at the tip of a bar-shaped tool body that can rotate around its axis to cut a work in a direction of rotation, and ejection ports, which are provided in the tool body, adjacent to the side of the end part of the tool body, to a line of connecting the edge widths of the cutting edges adjoining each other, between the adjacent cutting edges, to eject fluid. <P>COPYRIGHT: (C)2013,JPO&INPIT |
