The composite portion includes a composite roll set and a calender roll set. The composite roller set consists of a silicone heated pressure roller pressure roller. The hot pressure roller is a hollow roller with a heating device inside, the surface is forged with hard chrome, and is polished and refined; the temperature of the hot roller is tracked by the sensor and the computer is corrected at any time; the adjustment of the composite pressure is performed by an eccentric cam mechanism, pressure Can be adjusted steplessly. The calender roll set is basically the same as the composite roll set, that is, the chrome plated pressure roll is composed of a silicone pressure roll, but there is no heating device. The main function of the calender roll group is: the pre-coated plastic film and the printed matter are combined with the composite roll.
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