Arrangement for punching out circular blanks

Details Arrangement for punching out circular blanks Arrangement for punching out circular blanks

1978-11-16

1980-11-11

Meister, J. M.

Cutting

With control means responsive to replaceable or selectable...

83 79, 83154, 83267, 83405, 83411R, 83560, 83917, B21D 2822

Patent

active

042325757

ABSTRACT:
An arrangement for notching or slotting circular blanks so as to produce stacks of rotor and/or stator laminations for electric machines. At least one slotting machine is provided which in a first direction is adjustable radially with respect to a spatially fixed axis of rotation of a blank support table by way of a separate adjusting drive. The support table for the blanks, constructed as an indexing apparatus, may be driven by a numerically controlled adjusting drive. The at least one slotting machine is movable in a second direction at right angles to the first direction by way of a further adjusting drive. The stacks of lamination produced by the punching arrangement may include spiral slots or notches as well as oblique slots or notches enabling the production of special motors having a cone or tapered armature.

REFERENCES:
patent: 3460415 (1969-08-01), Philipp
patent: 3603191 (1971-09-01), Muller
patent: 3623385 (1969-12-01), Schneider et al.
patent: 3706249 (1972-12-01), Bruckner
patent: 3835744 (1974-09-01), Wendt
patent: 3890863 (1975-06-01), Reihle

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