Nowadays, most store doors use PVC fast shutter doors. The reason why it is so popular is not only because of its convenient operation and high efficiency, but also many additional advantages.
Top structure: The transmission mechanism of the PVC fast rolling shutter door is installed in the case at the top of the door hole. The case is made of 2mm thick galvanized steel plate. The two ends of the case are made of 6mm thick steel plate. The end plate is provided with a mounting reel bearing, a driving motor, a mounting seat and a mounting hole for balancing system components. The surface of the steel plate is sprayed with plastic into the color required by customers. The reel is installed in the chassis and consists of a reel, a shaft end, a bearing seat, etc. The size of the reel is calculated according to the height and width of the door opening, and a reasonable size is selected.
Guide box: The guide box is made of 2mm galvanized steel plate and fixed on the wall on both sides of the door opening. The guide box is fixed with sealing wool strips on both sides of the guide box to ensure certain sealing requirements. A position is reserved for installing an infrared monitor at the bottom of the guide box about 1m above the ground.
Curtain fabric: Good PVC curtain fabric is selected for fast door. The thickness of the curtain fabric is 1.2mm, which has the advantages of high strength, impact resistance and not easy to Pierce. Transparent PVC material can also be used to make the curtain fabric or part of transparent PVC material can be used to make the curtain fabric, so as to observe the situation on the two sides of the soft curtain door. The bottom of the curtain fabric is provided with an aluminum bottom beam, and the top of the anti-collision soft bag curtain fabric is fixed on the drum by screws and strips.
Driving device: The soft curtain door rotating shaft is directly driven by the decelerating motor, and different speed ratios of decelerators are selected according to the requirements of lifting speed to achieve the required lifting speed, which can quickly reach 80cm/s or above. The control line adopts frequency conversion control, so that the curtain can start slowly and stop slowly during operation, and the curtain can stop in place and stop moving during operation.
Control box: PVC fast rolling shutter door is provided with a control box, can control "open", "stop" and "close" in the control box and can be set on the other side of the control box wall control button operation "open", "stop" and "close", according to the need to choose remote control operation and radar detection or magnetic induction automatic opening and closing, two sides of the door is equipped with infrared monitoring device, when the door body movement when obstacles through the door, The curtain movement will stop or return to the open door state.