| 摘要 |
<p>A rotatable shell cutter (10) has a cylindrical member (25) which advances to cut into a pipe. A plurality of cutting elements (51) are arranged in a circle at one end of the cylinder. Each cutting assembly comprises a cartridge (40) fixed as one piece to the cylindrical member, (25) such as by brazing or the like, a seat (47) positioned thereon through dowel means, (50) a cutting insert (51) mounted on the seat through a cooperating V-shaped projection (52) and recess, (48) and a clamp (60) engaging, positioning and securing the cutting element (51) against the seat and also secured to the cartridge (40) for urging all of the cutting assembly elements together.</p> |
