Perforated galvanized sheet metal

Perforated galvanized sheet metal is a type of galvanized steel sheet with a special hole design. It combines the corrosion resistance of galvanized steel sheet with the ventilation and light transmission characteristics of perforated design, and is widely used in various fields such as construction, agriculture, and industry. The production process of perforated galvanized sheet metal mainly includes the following steps:

1. Raw material preparation

Select high-quality steel plates that meet the requirements of perforated galvanized sheet metals as substrates to ensure that the steel plates have sufficient strength and toughness. Clean and rust the steel plate to remove impurities such as oil stains, oxide scales, and rust on the surface, in preparation for subsequent galvanizing and perforation operations.

2. Galvanized treatment

1. Hot dip galvanizing: Dip the cleaned steel plate into molten zinc solution to coat the surface of the perforated galvanized metal plate with a uniform layer of zinc. Hot dip galvanizing has the advantages of thick coating and good corrosion resistance.

2. Electrogalvanizing: A layer of zinc is deposited on the surface of a steel plate by electrochemical methods. The coating of electroplated zinc is relatively thin, but the surface is smooth and uniform, suitable for occasions with high requirements for surface quality.

3. Perforation processing

Design perforation patterns and aperture sizes for perforated galvanized sheet metals based on customer needs and actual application scenarios. Use equipment such as punching machines, laser cutting machines, or water cutting machines to perform perforation processing on galvanized steel plates according to the design pattern. Ensure accurate perforation position and consistent aperture size. Polish and trim the edges after perforation, remove burrs and sharp angles to improve the safety and aesthetics of the product.

4. Quality inspection

Check the surface quality of perforated galvanized sheet metals to ensure uniform coating, no rust, no defects such as missed plating, etc. Conduct performance tests such as corrosion resistance and tensile strength to ensure that the product meets relevant standards and requirements.

5. Packaging and Transportation

Packaging products that have passed inspection is usually done using materials such as plastic film, cardboard boxes, or wooden crates to prevent damage during transportation and storage. Choose appropriate transportation methods to safely and promptly deliver products to customers.
In summary, the production process of perforated galvanized sheet metal includes steps such as raw material preparation, galvanizing treatment, perforation processing, quality inspection, and packaging and transportation. Each step requires strict quality control to ensure that the performance and quality of the final product meet customer requirements.