Machine and method for assembling high voltage fuses without an

Details Machine and method for assembling high voltage fuses without an Machine and method for assembling high voltage fuses without an

1982-07-08

1984-10-30

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

29614, 29756, H01H 6902

Patent

active

044792999

ABSTRACT:
An improved machine is disclosed for assembling high-voltage fuses without an internal core, which fuses comprise at least one fusible element helically wound inside a tubular casing made of electrically insulating material and filled with a pulverulent arc-quenching material. The machine comprises a mobile head comprising a plurality of threaded rods symmetrically mounted about a central axis and whose threads are especially designed for receiving and helically guiding the fusible elements. The rotation of either the whole head or each of the threaded rods about their respective axis is synchronized to the translational movement of a slidable platform on which the head is mounted. In use, the fusible elements are wound in the threads of the threaded rods by rotation of the mobile head about its central axis. Subsequently, the fusible elements are unwound inside the tubular casing by combining a translation of the platform with a rotation of each of the threaded rods of the mobile head at a given ratio.

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