Manufacturing method of F-level electromagnetic wire
A manufacturing method and electromagnetic wire technology, applied in the direction of cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of electromagnetic wire pollution, high energy consumption, etc., and achieve the effect of eliminating emissions, pollution-free production process, and eliminating pollution
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[0016] The production method of the F-class electromagnetic wire of the present embodiment comprises: making the nano-materials such as silicon dioxide, aluminum oxide, aluminum nitride and the like through activation treatment on the surface into pellets; the pellets are heated (70-75 ℃) Vacuum drying for not less than 6 hours to remove volatile matter and moisture in the pellets.
[0017] The pellets include: 37wt% of silicon dioxide, 17wt% of aluminum oxide and 46wt% of aluminum nitride; the pellets are added to polyester resin and stirred evenly to obtain insulating resin for use.
[0018] Put the insulating resin into the hopper of the extruder and start the extruder; the extruder heats the insulating resin to 180-240°C, 260-270°C and 270-275°C in sections. When the pellet reaches 270-275°C, it is in a high-temperature viscous flow state, and is extruded to the machine head; the material flowing to the machine head is extruded from the die sleeve through the annular gap b...
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