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System for the injection moulding of plastic material, particularly suitable for the moulding of pieces having the form of a solid of revolution or similar, and corresponding method
System for the injection moulding of plastic material, particularly suitable for the moulding of pieces having the form of a solid of revolution or similar, and corresponding method
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机译:用于塑料注塑成型的系统,特别适合于成型具有旋转固体或类似物形式的零件,以及相应的方法
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摘要
A system for the injection molding of plastic material is described. The system has an injection device of the hot runner type for the injection of a plastic material, in a molten state, into a mold, a circular diaphragm to distribute evenly and circularly in a cavity of the mold, through a circular injection gate or port, the plastic material injected by the injection device, and control means adapted to control an operation of the molding system an including a heating inductor and heating means provided to heat and keep at a hot temperature the injection device, and a thermocouple being arranged in an area of the circular injection gate. The control means are adapted to control through the heating inductor a molding cycle of a piece. The system is particularly suitable for molding pieces which typically have a form of a solid of rotation with cylindrical outer surfaces, and is configured in an area of the circular injection port so as to avoid a formation of waste or superfluous parts which must be subsequently removed from the piece, once molded.
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