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The unit adopts a specially designed sjz92 conical twin-screw extruder, adopts DC speed regulation drive and imported brand temperature control instrument, which has the advantages of wide speed regulation range, high temperature control precision, convenient and reliable operation and so on. The auxiliary machine is composed of vacuum setting table, tractor, cutting machine and stacking frame. Equipped with large forced cooling device to ensure the plate setting effect. Crawler tractor adopts precision reduction motor and frequency converter, which has the advantages of reasonable structure, large traction force and stable traction. The cutting machine has the advantages of reliable and accurate operation and high cutting precision. The stacking rack is attached with a movable stacking trolley and a special rubber protective layer, which has the advantages of no material damage and simple use. The auxiliary machine unit adopts programmable computer control or domestic famous brand control system, and the whole machine control is reliable and stable.