Swiveling type plastic working machine

Metal deforming – By use of tool acting during relative rotation between tool...


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72406, B21J 1302




A swiveling type plastic working machine such as a forging machine having a slanted molding die holder which is swivelled about a vertical axis. The molding die holder is fixed with a first molding die confronting a second molding die on which a workpiece is mounted. Rotation of the molding die holder about its axis is also controlled in connection with a slanting angle thereof relative to the vertical axis so as to provide no slippage between the first die and the workpiece, or so as to provide a controlled slippage therebetween.

patent: 3583192 (1971-06-01), Kocks
patent: 3768289 (1973-10-01), Mink
patent: 3990285 (1976-11-01), Dragoun
patent: 3990286 (1976-11-01), Cremonesi
patent: 4069698 (1978-01-01), Dragoun
patent: 4391121 (1983-07-01), Taruntaev
patent: 4698992 (1987-10-01), Bernet


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