Patent ID: 6637088
Filing Date: 2003-10-28
Classification: B23D,B23F,Y10T

Abstract:
Device for manufacturing parts provided with an outer profile whereina work piece (32) is pressed by a thrust piece (24) in an advance direction (60) through an annular cutting tool (34), the cutting tool has a plurality of annular discs (36, 38, 40, 42, 44, and 46) with inner cutting edges (62) surrounding cutting tool openings (48, 50, 52, 54, 56, and 58), said inner cutting edges being for removing material from the work piece (32), the annular discs (36, 38, 40, 42, 44, 46) are spaced by spacers and connected by bolts, and the cutting edges (62) are progressively projecting in the advance direction, each cutting edge (62) removing material chips and the last cutting edge in the advance direction (60) corresponding to the desired outer profile of the part, chip chambers (74) being formed between the cutting edges (62) for receiving the chips, and being connected to outside the device through radial connecting openings, characterized in that a calibrating tool (140) for performing a cold deformation and having a passage slightly tapering along the advance direction (60) and with a rear outlet side is provided behind the cutting tool (34) as viewed in the advance direction (60), and in which the dimensions of the rear outlet side correspond to the set dimensions of the part to be manufactured.