1. Fuquan Garage door , sliding door door plank
door
The total thickness of the plate is 40mm ± 1mm, and the double-sided 0.5mm thick Baosteel color coating steel plate The coating treatment is polyester coating from top to bottom Primer Passivation layer, galvanized layer, orange embossing, positive and negative noodle shaped ribs to strengthen the strength of the door panel. The hard polyurethane foaming material is filled between the two layers of steel plates, with a density of about 40kg/m3 and a thermal conductivity of less than 0.033W/mk. A continuous steel belt is set at the position where the hinge is installed to ensure that the hinge is firmly installed. For the door panel above 5m, a 80mm high stiffener shall be set on the inner side of each door panel to ensure that the door panel has a wind resistance strength above Grade 12. An EPDM rubber sealing strip is arranged at the bottom of the segmented door panel, and an air bag is arranged in the sealing strip. The heads on both sides of the door plate are δ=1.0mm galvanized steel plate head pieces.
2. Hardware accessories:
The door connecting hinge is made of hot galvanized cold rolled steel plate by stamping. Material thickness δ=2.0mm, galvanized thickness greater than 28 µ m. The guide rail is a special guide rail for 3-inch industrial doors made of δ=2mm hot-dip galvanized steel plate by rolling; The cross section of the guide rail is provided with an anti release hook to ensure that the guide pulley runs smoothly in the guide rail; The guide rail guard plate is made of δ=2mm hot galvanized steel plate by rolling. The guard plate is equipped with slots for door side sealing rubber and mounting holes connected with the guide rail; The guide wheel is specially used for Φ 72mm industrial doors. The guide wheel is made of wear-resistant nylon and contains roller bearings. It runs smoothly and has no noise. Other hardware fittings are made of hot-dip galvanized steel plate, with accurate size and good interchangeability.
3. Balance system:
The sliding door adopts torsional spring balance. The balanced torsional spring is designed and manufactured according to the calculation of the door load software, so that the balance can reach a better state. The torsion spring is made of 60si2Mn imported spring steel, ensuring a service life of more than 80000 cycles. The balance shaft of the sliding door is Ф 25.4 solid round steel. The balance shaft is equipped with a torsion spring fracture protection device, which can prevent the door panel from falling when the balance torsion spring breaks; The lifting sheave is aluminum cylindrical sheave.
The safety factor of lifting wire rope is more than 5 times of the door weight, and the door plate is equipped with anti wire rope fracture devices to ensure the safe operation of the door plate.
4. Sliding door safety protection device:
① . The air bag is set at the bottom of the door, which can automatically reverse to the fully open state when encountering obstacles during the closing process of the door;
② The two ends of the bottom of the door are equipped with a blade type wire rope break protector. When the lifting wire rope breaks and the door body moves faster, the device can cut into the guide rail to prevent the door body from falling;
③ . The motor is equipped with a disengaging device. When it is switched to manual mode, the door can be operated manually.
5. Sealing strip:
EPDM rubber sealing strips are set at the top and both sides of the door opening, and EPDM rubber airbags and sealing wings are set at the bottom of the door body to ensure good tightness between the door body and the building.
6. Industrial sliding operation:
The operation of the liftgate is divided into two control modes: manual control mode and electric control mode:
1) Manual control mode: the door can be lifted and lowered manually at one time. In case of power failure, the door can be opened manually. 2) Electric control mode: (on the basis of manual control) a standard operation button box is set beside each liftgate (inside), and the door body can be opened and closed by operating the up, stop and down buttons on the button box. When the door body runs to the set position, it stops automatically.
Manual/automatic switching: the motor is equipped with a clutch release device. In case of power failure, the driver can be switched from electric to manual by manually operating the clutch release device, and the door can be opened and closed manually
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