Most screw breakages are caused by the reasons mentioned above. Regular inspection of the gearbox, ensuring adequate heating temperature, avoiding material interruptions, strictly following formulas, and preventing foreign objects in raw materials can effectively reduce the risk of screw breakage.
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This article cautions against pursuing excessively short injection molding cycles (e.g., 2.8 seconds), outlining 20 improper high-speed practices and their consequences. It covers material degradation, gas entrapment, mold and machine component fatigue, hydraulic system damage, and mechanical failures, emphasizing that aggressive cycle reduction compromises part quality and equipment reliability rather than yielding genuine efficiency gains.
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On this National Day, Ningbo Superior Machinery extends our warmest wishes to clients, partners, and colleagues around the world.We grow with our nation, and we move forward because of you.May our country prosper, and may our partnerships stay green and lasting.Happy National Day!
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The cooling behavior of highly crystalline polymers and the shrinkage stresses caused by uneven cooling. It explains how one-sided rapid cooling creates amorphous/crystalline imbalances, leading to warpage, internal stress, and reduced mechanical properties. The article also provides practical methods for detecting overcooling and recommends slowing or interrupting cooling to allow stress relief and annealing.
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