1. Transmission system: It is composed of industrial door motor, transmission shaft, balance system, steel wire rope, steel wire pulley and other parts.
2. Door system: It consists of door panels, auxiliary rails, straight rails, curved rails, small windows, small doors, hardware accessories and other parts.
3. Operating system: It consists of control box, remote control and other parts.
4. Safety system: It is composed of wire rope breakage prevention device, torsion spring breakage prevention device, photoelectric automatic control device and other parts.
The door panel of the industrial lifting door is made of double-sided 0.5mm thick Baosteel color-coated steel plate. The coating treatment from top to bottom is polyester coating, primer, passivation layer, galvanized layer, and embossing. Strip-shaped ribs on the front and back enhance the strength of the door panel, with a thickness of about 50mm. Rigid polyurethane foam is filled between the steel plates, with a density of about 48kg/cubic and a thermal conductivity of less than 0.033W/m.k.
A continuous steel belt is installed at the hinge position of Xufeng (http://www.xufengmy.com) industrial door to ensure that the hinge is firmly installed. For door panels above 5m, an 80mm-high reinforcing rib is provided on the inner side of each door panel to ensure that the door panel has a wind resistance strength of level 12 or above. There is an EPDM rubber sealing strip at the bottom of the segmented door panel, and an airbag is installed in the sealing strip. The heads on both sides of the industrial door panel are made of δ=1.0mm galvanized steel plate head pieces.
The torsion spring plays a balancing role in industrial sliding doors. The torsion springs of lift doors have high-strength spring systems to ensure balance. The service life of the spring is 100,000 cycles. The material is 60Si2MnA alloy steel, the surface has been oxidized, and the lifespan is more than 100,000 times.
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