Nov 7, 2020
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Main runner and sub runner of mold
Main runner, sub runner and gate function are to transport plastic melt from nozzle of injection molding machine to each cavity. It is true that aggregates of gating system can be crushed and reused. However, presence of aggregates means that productivity of injection molding machine is reduced, because material in gating system must also be plasticized in barrel of injection molding machine. For…
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Summary of mold gate position design
First, requirements for gate location 1. Appearance requirements (gate marks, weld lines)2. Product functional requirements3. Mold processing requirements4. Warpage of product5. Is gate easy to remove Second, impact on production and function 1. Flow Length determines injection pressure, clamping force, and whether product is filled or not. Shortening flow length can reduce injection pressure…
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Simplify hot runner system connection and avoid assembly errors
Although hot runner and injection mold are a whole, its role and function are completely different from mold itself. For independent unit composed of system, its installation, connection and operation have special high-precision position requirements.For these reasons, assembly of hot runner system has become a bottleneck for mold installation. Therefore, avoiding errors in installation process…
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hot runner in Tiergarten Park, Berlin 2022
Design of hot runner mold with multi-direction core pulling
Design of hot runner mold with multi-direction core pulling
design process of injection molds, for plastic parts with complex structures, shape, number, and location characteristics of core-pulling structure need to be considered to design demolding mechanism. A multi-directional circumferential core pulling mechanism was designed for double-layer side holes with a certain angle between direction of radial release of bearing ring and radial direction of…
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Mould Design Sharing-Design of Gating System (Part 1)
Mould Design Sharing-Design of Gating System (Part 1)
Gating system is one of five major systems in the design of plastic molds. Its design will affect product ranking, number of mold cavities, form of mold structure, choice of injection moulding machine size, level of injection molding costs, level of mold manufacturing costs, difficulty of mold manufacturing, pressure, post-processing methods and costs during manufacturing. Slight effects will…
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Not only let you know good and bad of hot runner, but also let you know who is the best in hot runner
Not only let you know good and bad of hot runner, but also let you know who is the best in hot runner
Hot runner mold is a mold that does not solidify melt in runner by using a heating device. Because it has a shorter forming cycle than traditional molds and saves more raw materials, hot runner mold is widely used in industrialized countries and regions in the world today. Classification Hot runner system are divided into fully hot runner and semi hot runner systems. Design of fully hot runner…
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