filter mesh manufacturer

Quality Control

Expanded Metal

1. Material inspection: Check whether the raw materials of expanded metal meet the standards, such as the composition and thickness of carbon steel, stainless steel, and aluminum alloy
2. Mesh size: Measure whether the mesh size is standard and whether the uniformity meets customer requirements through instruments that measure the mesh size.
3. Plate thickness testing: Use specialized thickness measuring instruments to measure whether the expanded metal raw materials meet the standards.
4. Surface treatment: Check the quality of the galvanized layer, spray coating, or oxidation treatment to ensure that the surface is intact and undamaged.
5. Welding and Linking: Check whether there are welding connection defects in the overall expanded metal of the finished product to ensure that the structure is firm.
6. Surface flatness: Check each Expanded metal for bending, deformation, and other issues to ensure that the customer can use it after receiving the goods.
expanded metal manufacturer

Perforated Metal

1. Material testing: Check the material of the punching mesh, such as carbon steel, stainless steel, aluminum alloy, etc., to ensure that it meets the standards and has the corresponding strength and corrosion resistance.
2. Aperture size: Measure the aperture size, arrangement, and spacing of perforated metal to ensure compliance with permeability or decorative requirements.
3. Plate thickness testing: Use specialized thickness measuring instruments to measure whether the perforated metal raw materials meet the standards.
4. Punching surface quality: Check whether the surface of each perforated metal sheet is smooth, free of burrs, cracks, and deformation, ensuring exquisite processing.
5. Surface treatment: Check the quality of the galvanized layer, spray coating, or oxidation treatment to ensure that the surface is intact and undamaged.
6. Surface flatness: Check each Expanded metal for bending, deformation, and other issues to ensure that the customer can use it after receiving the goods.
perforated metal sheet manufacturers

 

 

 

Strainer Mesh

1. Material testing: Check if the mesh materials meet customer requirements, such as stainless steel, galvanized steel, aluminum alloy, or other corrosion-resistant materials.
2. Mesh size: Measure whether the mesh size of the product meets the standard of filtration accuracy, to avoid particles that cannot be filtered beyond the standard or cannot be filtered through.
3. Detection of wire diameter and thickness: Use professional measuring tools to check whether the metal wire meets the standard wire diameter or whether the plate meets the standard thickness to ensure customer requirements.
4. Quality of welding and connection points: Check whether the welding points at each point are uniform, firm, and whether there are any virtual welds, fractures, or burrs, to ensure that the customer receives the product without detachment or leakage during use.
5. Surface treatment: Check whether the product surface has been treated as required, such as electroplating, polishing, spraying, or electrolysis, etc.
6. Pressure testing and durability testing: measuring the compressive strength of the product through professional instruments to ensure that the filter can work under specific pressure fluids
7. Cleanliness check: Check the product for oil stains, impurities, or other contaminants.
filter mesh manufacturer

 

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