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Controlling extruder output rate - by heating or cooling grooved infeed section with decreasing or increasing output rate
Controlling extruder output rate - by heating or cooling grooved infeed section with decreasing or increasing output rate
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机译:控制挤出机的输出速率-通过加热或冷却带凹槽的进料段来降低或提高输出速率
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摘要
Output and/or quality of an extruder having a grooved section adjacent the feed opening is/are controlled by cooling or heating the grooved section (12) with progressively increasing or decreasing output rate. Pref. the grooved section is provided with a temp. controlling thermocouple which is effective to induce the heating of the plasticised material when a transition from high output to low output, i.e. redn. of extruder worm screw speed takes place, is signalled. Cooling takes place when the opposite condition is established.
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