• 塑料棒材的冷却及制动调节
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塑料棒材的冷却及制动调节

  • 19/06/2018 08:56:15

冷却定型模的温度:冷却定型模的温度低一些较好。冷却定型模处的冷却强烈些,可提高棒材的表观质量和提高牵引速度。定型模内棒材的截面熔融部分与固化部分的界面是圆锥形的。熔融塑料若能连续地向圆锥尖端输送,棒材固化后就无空隙。因此,必须考虑熔融塑料的压力和圆锥角的大小…

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