Mechanical requirements for Optical Fiber Distribution Box.
Fiber optic distribution box door and door, the gap between the door and the shell must be consistent, the gap is less than 1mm, the gap is longer than 1 meter, the uniform difference is not greater than 1.5mm. Each fiber optic distribution box nameplate must be metal nameplate, nameplate at least product name, model, manufacturer name, the main technical parameters, factory number, production date and other six items. The nameplate shall be fixed in a conspicuous place on the front panel, and the specific location shall be aesthetically pleasing and secure. The box must be accompanied by the main circuit diagram, system diagram, schematic diagram, secondary control diagram, circuit diagram of the parameters of the requirements and the same as the physical object, and to be over-plasticized, with 2mm thick flame retardant transparent board embedded with the box door after.
Fiber optic distribution box welding, bolt connections should be firm, welding seams should be uniform, clean, no welding skin, welding through, porosity and other undesirable phenomena; bolt connections should be flat, spring washers, exposed wire buckle 2-5 button. Fiber optic distribution box internal parts, open edges should be flat and smooth, no burrs and cracks, etc. The moving parts of the box is flexible, in the process of opening and closing shall not damage the coating or plating, the opening angle is not less than 90 degrees, the door lock using a concealed lock, the door lock should be firm and reliable, there should be no obvious shaking after the lock, the door hinges using metal chrome plating, when the door grows to 1.2 meters fashion set three hinges, less than 1.2 meters can be used two, the hinges should have sufficient load-bearing capacity, in four times the load (not less than 10kg) to ensure that no permanent deformation.
Fiber optic distribution box body selected steel plate thickness is not less than 1.5mm, fiber optic distribution box body thickness is not less than 2.0mm thickness of cold-rolled steel plate, steel plate box door, steel plate plate plate thickness is not less than 2.0mm.Back plate thickness is not less than 3.0mm.Guide rail must be strong, fiber optic distribution box structure should be complete and solid. At the same time in the back of the non-floor fiber optic distribution box, the lower left and upper right corner welded out two undertake ear, undertake ear using 40*4 flat steel, flat steel length of 10cm. box internal electrical components and assembly location is reasonable, the number of holes reserved in and out of the line, size, shape and installation of the box must comply with national standards, atlas, design drawings specific parameters of requirements. The reserved inlet and outlet line openings or knock-down holes should have corresponding seals, after the inlet and outlet line assembly can ensure to meet the three-level sealing requirements.
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Tags: China Fiber Optic Splice Closure Manufacturers, Optical Fiber Distribution Box
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