Method for manufacturing nozzle for circuit breaker
A manufacturing method and technology of circuit breakers, which are applied to circuits, electrical components, electrical switches, etc., to achieve the effects of reduced energy consumption, convenient operation, improved thermal stability and creep resistance
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Embodiment 1
[0023] A method for manufacturing a nozzle for a circuit breaker, comprising the steps of: (1) The mass percentages are boron nitride: 5%, aluminum oxide: 1%, molybdenum disulfide: 4%, and the rest are raw material components of PTFE Disperse with a vibrating sieve; (2) Airflow pulverize and mix the dispersed raw material components in a fluidized bed jet mill, pulverize the mixture to a particle size of 15 μm, and fully stir evenly; (3) Mix the The material is tested by DC-3000 digital display projector and VMS-1510G image measuring instrument. The qualified standard is that the number of non-metallic spots of Φ0.05mm per square centimeter does not exceed 2; (4) the qualified mixture is tested at low temperature Store under dry conditions with the temperature controlled at 6°C; (5) Preform and press the mixture, add the mixture into the mold at a temperature of 20°C and a relative humidity of ≤30%, and vacuumize the mold Put it into a hydraulic cylinder for pressing, pressuri...
Embodiment 2
[0025] A method for manufacturing a nozzle for a circuit breaker, comprising the steps of: (1) The mass percentages are boron nitride: 7%, aluminum oxide: 2%, molybdenum disulfide: 3%, and the rest are raw material components of PTFE Disperse with a vibrating sieve; (2) Airflow pulverize and mix the dispersed raw material components in a fluidized bed jet mill, pulverize the mixture to a particle size of 18 μm, and fully stir evenly; (3) Mix the The material is tested by DC-3000 digital display projector and VMS-1510G image measuring instrument. The qualified standard is that the number of non-metallic spots of Φ0.05mm per square centimeter does not exceed 2; (4) the qualified mixture is tested at low temperature Store under dry conditions with the temperature controlled at 8°C; (5) Preform and press the mixture, add the mixture into the mold at a temperature of 22°C and a relative humidity of ≤30%, and vacuumize the mold Put it into a hydraulic cylinder for pressing, pressuri...
Embodiment 3
[0027] A method for manufacturing a nozzle for a circuit breaker, comprising the steps of: (1) The mass percentages are boron nitride: 10%, aluminum oxide: 3%, molybdenum disulfide: 2%, and the rest are raw material components of PTFE Disperse with a vibrating sieve; (2) Airflow pulverize and mix the dispersed raw material components in a fluidized bed jet mill, pulverize the mixture to a particle size of 20 μm, and fully stir evenly; (3) Mix the The material is tested by DC-3000 digital display projector and VMS-1510G image measuring instrument. The qualified standard is that the number of non-metallic spots of Φ0.05mm per square centimeter does not exceed 2; (4) the qualified mixture is tested at low temperature Store under dry conditions, the temperature is controlled at 10°C; (5) Preform the mixture and press it, and put the mixture into the mold at a temperature of 25°C and a relative humidity of ≤30%, and vacuumize the mold Put it into a hydraulic cylinder for pressing, ...
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