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How to weld wire mesh to frame?
2025-11-01 101
I. Pre-welding Treatment
Clean the surfaces of the wire mesh and frame, removing oil, rust, and scale. Use sandpaper or a wire brush to polish until the metal shines.
Confirm that the materials are compatible (e.g., carbon steel with carbon steel, stainless steel with stainless steel) to avoid insufficient strength due to welding dissimilar metals.
2. Positioning and Fixing
Lay the wire mesh flat on the frame, ensuring the mesh openings are evenly distributed and the edges are aligned with the frame.
Fix it with clamps, spot welding, or temporary supports to prevent displacement or deformation during welding.
3. Welding Method Selection and Operation
* Resistance Spot Welding: Suitable for mass production, small weld spots, high efficiency. Current and pressure need adjustment; evenly distribute spots along the frame (10-20mm spacing).
Argon Arc Welding: Suitable for stainless steel or applications requiring aesthetically pleasing welds. Use fine welding wire and low current for spot welding to avoid burning through the wire mesh.
Gas Welding: Suitable for thicker frames and wire meshes. Concentrate the flame and quickly fix the weld to minimize the heat-affected zone.
4. Post-Welding Inspection and Reinforcement
Inspect the weld joints for firmness, ensuring there are no incomplete welds or detached welds. This can be tested by gently pulling on a wire mesh.
Re-weld weak areas, and if necessary, remove weld slag and perform rust prevention treatment (painting or galvanizing).
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