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CONSTRUCTION SOPLO FOR DEVICE FOR CASTING UNDER PRESSURE FOR MANUFACTURING MULTILAYERED CAST UNDER PRESSURE OF PRODUCTS
CONSTRUCTION SOPLO FOR DEVICE FOR CASTING UNDER PRESSURE FOR MANUFACTURING MULTILAYERED CAST UNDER PRESSURE OF PRODUCTS
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机译:用于在产品压力下制造多层铸件的压力下铸造设备的施工规范
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摘要
At the co-injection nozzle (2) for an injection molding device for the manufacture of multilayer die-cast products, including a central bore (20); placed in the central groove (20) with the possibility of axial movement of the valve needle (10) for opening and closing the mouth (30) of the nozzle; annular internal channel (23) for the melt for the first melt (A); an annular middle channel (24) for the melt for the second melt (B); and an annular outer channel (25) for the melt for the first melt (A) for the first melt (A); while the inner, middle and outer channel (23, 24, 25) for the melt in the area of the tip (9) of the nozzle are hydraulically combined to form a concentrically layered melt flow; it is provided that the co-injection nozzle (2) also includes a nozzle body (11) and an insert (12) for distributing the melt, which has a central groove (20) of the co-injection nozzle (2); while the insert (12) for the distribution of the melt has a circular cylindrical section (51), with which it is placed in the central bore (52) of the nozzle body (11); and that at least one distribution channel (26) for the first melt (A) and at least one distribution channel (27) for the second melt (B) are formed in the side surface of the circular cylindrical section (51), which extend essentially in axial direction.
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