Molten plastic enters the mold cavity from the nozzle of the injection molding machine through the main runner, runner, and gate. The inlet of the mold cavity is called the gate. To prevent solidified cold slug from the nozzle tip from entering the mold cavity, a cold slug well should be designed at the end […]
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Single parting surface injection molds When the mold is opened, the moving mold and the fixed mold separate to remove the plastic part. This is called a single parting surface mold, also known as a double-plate mold. It is the simplest and most basic form of injection mold. It can be designed as a single-cavity
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How much does the wall thickness of a plastic part affect its quality? The wall thickness of plastic parts has a significant impact on quality. If the wall thickness is too small, the flow resistance is high, making it difficult to fill the mold cavity for large and complex plastic parts. The minimum wall thickness
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GFRP (Glass Fiber Reinforced Plastic) is a composite material reinforced with glass fibers, commonly known as “fiberglass”. It is a composite material using glass fibers and their products (yarn, tape, glass cloth, felt, etc.) as reinforcement and synthetic resin as the matrix. Depending on the resin, it is classified into epoxy fiberglass, phenolic fiberglass, polyester
In the fast-evolving landscape of office furniture production, where innovation and quality are the keys to standing out, the choice of injection molds becomes a decisive factor in shaping your brand’s success. As a trusted pioneer in specialized injection molds for office chair components, we go beyond manufacturing—we deliver tailored, high-performance solutions that align with
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Guide post damage Guide pillars mainly serve a guiding function in molds to ensure that the forming surfaces of the core and cavity do not collide under any circumstances. Guide pillars cannot be used as load-bearing or positioning components. In the following two cases, the moving and fixed molds will generate huge lateral offset forces
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Requirements for the selection of materials for injection molded parts The selection of mold materials is a crucial issue in mold design and manufacturing, directly affecting a range of aspects such as mold manufacturing process, mold lifespan, molding quality of plastic parts, and mold processing costs. For this reason, scholars both domestically and internationally have
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During the molding process of plastic products, any molding factor that reduces the molecular orientation of the polymer in the product can reduce orientation stress; any process condition that ensures uniform cooling of the polymer in the product can reduce cooling internal stress; and any processing method that facilitates demolding of the plastic product can
In today’s fast-paced office furniture industry, where consumers demand comfort, durability, and sleek design—while manufacturers strive for efficiency and cost control—the mold you choose becomes the cornerstone of your competitive edge. Behind every best-selling ergonomic office chair, every durable task chair, and every stylish conference room seat lies a precision mold that marries advanced engineering
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Improper control of molding conditions If the injection pressure is too low, the injection and holding times are too short, the injection rate is too slow, the material and mold temperatures are too high, the part is not cooled enough, the temperature during demolding is too high, the insert temperature is too low, or there
Analysis of key points in injection molded parts design Read More »
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