| 摘要 |
<p>The invention relates to a boring bar intended for internal turning having a front pocket (7) that is delimited by a shelf-like surface (8) and a ramp surface (9); an insert seat (20) that is countersunk in the shelf surface (8) and displaced laterally in relation to a centre axis (C); a chip flute (6) that is countersunk in the outside of the bar, opens in the ramp surface (9) and is situated on the same side of the centre axis as the insert seat; as well as an internal channel for the supply of a fluid to the front part of the bar. According to the invention, the fluid channel ends in an outlet mouth (36) situated on the side of the bar that is opposite the insert seat (20) in order to guide a flow of the fluid past the insert seat toward the front opening of the chip flute (6).</p> |
