PLASTIC WORKING MACHINE FOR TUBULAR WORK

摘要

PROBLEM TO BE SOLVED: To provide a working machine to annularly protrude the outer circumference of one end of a tubular body mutually joined by a tube joint. ;SOLUTION: An attachable/detachable jig is attached to a machine main body 1 provided with a rotating shaft 6 and a drum 11, which is advanced/ retreated along an axial line of the rotating shaft. The jig consists of a guide shaft 17, which has a tapered part 16 are connects its one end to the rotating shaft 6, a pressure sphere 18, which is in contact with the tapered part 16 of the guide shaft 17 and rotatably, its holding tool 20 and a jig main body 274, which advances/retreats the holding tool 20 in linking with the drum 11 and fixers a tubular work B fitted to the outer circumference of the holding tool 10. Further, by rotating the rotating shaft 6 and retreating the drum 11, the pressure sphere 18 is gradually protruded outward along the tapered part 16 and pressed on an inner circumferential face of the tubular work B. By this method, the outer circumference of end part of the tubular work B is efficiently protruded.;COPYRIGHT: (C)1998,JPO