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Relay shell mold design Abstract The development of die and mould industry Increasing attention and concern The mold type industrial production process equipment foundation has achieved consensus In electronics automobile motor electric appliances instruments and meters home appliance and communication products 60 80 of its molding part should rely on This paper introduces the electromagnetic relay is the shell injection mold design This paper introduced the design process the mould of organizations and system for a detailed analysis including the design of die structure and the design of gating system cooling system design design exhaust system demoulding mechanism design core pulling mechanism design mould design the design of steering mechanism etc In addition also introduces the injection molding technology and material performance as well as the selection and injection of some parameters of the check This design is used more compact structure design mould in order to reduce the cost of manufacture improve production efficiency The design process using AutoCAD UG software rendering such computer aided the major parts graph products and design structural design greatly shorten the cycle Keywords Injection mold PS Relay shell