Turning – Severing or cut-off – Cutting couple straddling work
Patent
1980-05-14
1981-09-22
Hinson, Harrison L.
Turning
Severing or cut-off
Cutting couple straddling work
82 48, 82 82, B23B 306, B23B 304, B23B 700
Patent
active
RE0307467
ABSTRACT:
A can end trimmer has a main rotary support shaft with a radial turret plate. A plurality of self-contained cutter unit cartridge assemblies have radial head flanges directly connectable to one side of the turret plate with driven members in each cutter unit cartridge automatically engaging control members mounted on the turret plate for effecting movement of a transversely shiftable cutter knife into engagement with an axially fixed cutter knife for effecting rotation of both knives to trim the end from a can held in a vacuum chuck. A shim between the cutter unit cartridge and the turret plate cants the axes of the knife members with respect to the can by a very small amount normally less than 2.0 degrees to effect a smooth burr-free cut of the can end. Stripper pin means surrounds the can being cut which in turn surrounds the axially fixed knife with a reciprocating stripper plate on the pins being easily removed during replacement of the cutter cartridge unit. Substantial space is saved by the arrangement of the units on the turret plate so that a large number of cutter cartridge units can be employed on a support shaft of a given size.
REFERENCES:
patent: 2350535 (1944-06-01), Sarulla
patent: 3400620 (1968-09-01), Armbruster et al.
patent: 3878743 (1975-04-01), Melind
patent: 3894455 (1975-07-01), Stroobants
patent: 3916740 (1975-11-01), Stroobants
Cvacho Daniel S.
Stroobants Alphonse
Belgium Tool & Die Company
Hinson Harrison L.
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