Fence production process

1. The door rail production line mainly produces electric gates, manual sliding doors, electric swing doors, and manual swing doors.
There are a large number of metal steel structure processing equipment, including sawing machines, shears, bending machines, drilling machines, punching machines, bending machines, two welding machines, and welding process equipment.
Production Preparation Plan:
Implement the complete production preparation plan process, draw and confirm product drawings, formulate product technical standards, compile quality control documents, compile process operation documents, establish material consumption quotas, establish processing time quotas, formulate equipment use plans, prepare personnel plans, and formulate materials Procurement plan and sample trial production, see flowchart.
Strict technical standards and controls are used in the production process. Assembly and welding are all performed on the mold to ensure that the product processing accuracy is within the control range.
All welding equipments use gas-shielded welding. The biggest advantage is that the weld seam is beautiful; the workpiece is not easily deformed; the production efficiency is high; it is suitable for mass production.
2. The seine production line has a domestic leading level of automatic fence welding machine. Annual production capacity is 1000 kilometers. The maximum size of the fence is 3*3.5 meters, which can meet the needs of various installation occasions.
The grid spacing and welding parameters of the fence are all automatically controlled by a computer. The diameter of the galvanized wire can be 3.5mm-5.9mm, the minimum grid spacing is 75*12.5mm, and the maximum grid spacing is 200*65mm. The net has very good protection performance. At the same time with excellent welding performance, more solid and safe.

The use of high-quality galvanized steel wire for the fence material makes it possible to effectively protect the steel wire from corrosion and extend the life of the fence due to the protection of the zinc layer when the surface coating of the fence is damaged.
3. Spraying production line has a domestic first-class level is the spray production line, from pre-processing to spray molding all automated operation, and through the central control system to monitor the operating conditions and operating parameters of all equipment.
The main features of product surface treatment:
Phosphating is performed after the degreasing of the product is phosphating as the underlying layer before the spray. After treatment, a layer of phosphate chemical conversion film is formed on the surface of the workpiece, which greatly improves the adhesion and corrosion resistance of the surface coating. By phosphating, the adhesion can be increased by 2-3 times, and the corrosion resistance can be improved. 2 times.
The phosphating of passivated workpieces is passivated. By blocking the pores of the phosphating film by heavy metal ions, the corrosion resistance of the phosphating film can be increased by more than 10%.
Powder coating excellent coating performance: liquid coating needs to adjust the proportion of the solvent according to the type of polymer, application and curing conditions, otherwise affect the coating effect, powder coating does not exist in this situation.
Poor parts are easy to correct: If defects are found before powder polymerization, it is sufficient to blow off the powder and re-spray. Very convenient.
Film thickness control is more uniform than traditional liquid paint film thickness control, and there is a need to be able to spray higher film thicknesses.
A wide variety of colorful decorative and functional powders are used successfully.
Sandblasting removes the oxide layer on the surface of the workpiece by shot blasting and improves the adhesion of the coating.
High-performance anti-corrosion coating High film thickness and excellent adhesion of substrates Dry fast High-performance polyurethane topcoat Excellent luster color stability Dense, hard, impact-resistant, wear-resistant, and excellent The mechanical properties provide long-term protection and decorative performance

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