Rotor die casting method

Details Rotor die casting method Rotor die casting method

1981-02-02

1982-12-07

Hampilos, Gus T.

Metal founding

Process

Shaping liquid metal against a forming surface

164113, 164131, 164121, 164137, 164333, 164344, B22D 1900

Patent

active

043622054

ABSTRACT:
A method for the die casting of end rings and conductor bars in rotors employing a die casting machine having a compensator mechanism comprising a compensator sleeve and a compensator for reciprocal movement along a first axis. A coaxially movable die plate closes off one end of the compensator sleeve to form a die cavity for casting. A plurality of lamination stacks, each held together by a removable stacking pin, are stored on an inclined loading rack positioned laterally on one side of the compensator mechanism. A few of these stacks roll down inclined planes into the compensator sleeves. The compensator pushes the stacks forward into abutment with the die plate and a charge of molten material is injected into the die cavity. The die plate then moves axially away from the compensator and a retriever moves perpendicular to the first axis to an unload position between the compensator sleeve and die plate. The cast rotor is then pushed out of the sleeve and into the retriever, partially by the compensator and completely by injector rods housed within the compensator. The retriever is then retracted to its original position where the stacking pins are pressed out and the rotors are ejected from the retriever onto inclined, V-shaped chutes. A second set of stacks may be loaded and moved into the die cavity simultaneously with pin press-out and rotor ejection.

REFERENCES:
patent: 3315315 (1967-04-01), Triulzi
patent: 3584345 (1971-06-01), Beastrom
patent: 3608622 (1971-09-01), Bachelier
patent: 3866666 (1975-02-01), Wunder
patent: 4064928 (1977-12-01), Wunder

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