Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent
1995-09-06
1997-12-16
Jones, Eugenia
Cutting
With product handling means
Means to move, guide, or permit free fall or flight of product
83 54, 83115, 83186, B23D 2100
Patent
active
056972741
ABSTRACT:
Apparatus for trimming cylindrical cans wherein each can is orbited about a central turret axis while being rotated about its longitudinal can axis is disclosed. The cans are successively mounted with vacuum onto a support mandrel located on a support shaft within each of plural cartridge assemblies mounted at circumferentially spaced intervals on a turret disk. The can is firmly secured to the mandrel by vacuum so that the open end portion of the can body projects between an outside circular cutting knife and an inside trimming edge disposed within the open end. As the cartridge orbits about the turret axis on the shaft axis, the inside trimming edge is radially displaced by camming action into contact with the open end portion of the can body and the outside cutting edge to generate cutting forces for trimming the portion. This trimming occurs as the inside trimming edge is maintained radially closer to the turret axis than the can body and the outside cutting edge which remain centered on the cartridge axis. In the preferred embodiment, however, this trimming can occur by gradually camming the entire circumference extent of the inside trimming edge into contact with the can body without rotating either the trimming edge, outside cutting edge, or can body in relation to the cartridge axis. By locating the can supporting mandrel on the cartridge shaft, set-up of trim height and trim quality is self-contained within the cartridge which allows for set-up and quality verification in the tool room before the cartridge is placed in a production machine.
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Jones Eugenia
Lyne, Jr. Robert C.
Reynolds Metals Company
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