Dynamic braking for electric motors in a plastics processing mac

Details Dynamic braking for electric motors in a plastics processing mac Dynamic braking for electric motors in a plastics processing mac

1994-10-21

1995-11-21

Ro, Bentsu

Electricity: motive power systems

Braking

Dynamic braking

318380, H02P 322

Patent

active

054690315

ABSTRACT:
A dynamic braking system for the electric motors in an injection molding machine uses the electric heater bands on the barrel of the injection unit as resistors to dissipate the energy generated by the electric motors during an emergency stop. This system includes suitable switching circuitry to disconnect the heaters from their normal power source and connect them to the motor windings for the short term dynamic braking function.

REFERENCES:
patent: 3566227 (1971-02-01), Edhlund
patent: 3628110 (1971-12-01), Casaday
patent: 4420716 (1983-12-01), Imazeki et al.
patent: 4426606 (1984-01-01), Suita et al.

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