Nibbling machine

Details Nibbling machine Nibbling machine

1983-01-17

1984-10-02

Meister, James M.

Cutting

By tool inside hollow work

One tool having only rectilinear motion

83 54, 83442, 83565, B23D 2102, B23D 2700

Patent

active

044740956

ABSTRACT:
A machine for nibbling sheet metal such that its edge conforms to the outline of a template held in face-to-face contact with the workpiece. A punch is slideably mounted in a cylindrical die so as to be movable to a position in which a notch in the punch, and the die form an adjustable opening for receiving the sheet metal as the template edge engages the side of the punch. The punch is reciprocated in excess of several cycles per second to progressively nibble crescent shaped sections from the edge of the workpiece until it conforms to the template edge. In a second version, the die has a slot for receiving the edge of the sheet metal as it is being nibbled so that the sheet metal and template do not buckle. Another form of the nibbling machine is employed to shape the end of a tubular workpiece mounted on an elongated anvil.

REFERENCES:
patent: 364262 (1887-06-01), Kittredge
patent: 1582052 (1962-04-01), Klages
patent: 1782420 (1930-11-01), Gray
patent: 2335720 (1943-11-01), Yeomans
patent: 2650663 (1953-09-01), Wales et al.
patent: 3069770 (1962-12-01), Ferris
patent: 3266356 (1966-08-01), Seravin

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