Injection molding nozzle with heating element provided mouth surrounding the taphole and method for its use.

摘要

A molding nozzle integral injection WITH DOOR sprue and method, HAVING A HOLE FOR FOUNDRY EXTENDING CENTRALLY therethrough, wherein a terminal portion FRONT CIRCULAR ELEMENT ELECTRIC HEATER SURROUNDS THE HOLE BLASTING IN PORTION OUTGOING TO PROVIDE ADDITIONAL HEAT ADJACENT TO THE DOOR. The method includes LOCATE PORTION heating element COAXIAL SPACE BETWEEN CENTRAL AND FUNNEL MEMBER MEMBER, welding them together in a vacuum furnace to form the nozzle portion OUTGOING. OUTGOING PORTION drilled and machines PROVIDING THE DOOR SIZE AND DESIRED CONFIGURATION, DEPENDING ON THE APPLICATION PARTICULAR.FIG 1.