| 摘要 |
<p>The present invention relates to a rotatable tool having a replaceable cutting part (7; 7') at the chip removing free end of the tool, the tool also comprising a tool part (3; 3'), on which the cutting part (7, 7') is intended to be mounted, that tool part (3; 3') and the cutting part (7, 7') have chip channels (9), that the cutting part (7, 7') has member for chip removing machining, and that the tool part (3; 3') and the cutting part (7, 7') are interconnected by means of a dovetail coupling which comprises a male part (10; 10') and a female part (20; 20'). The invention also relates to the cutting part separately. Preferably, the invention relates to a drill or a milling cutter. Characteristic of the tool according to the present invention is that the dovetail coupling comprises members for providing a mutual clamping of the parts (10, 20; 10', 20') included in the dovetail coupling.</p> |
