Eliminating Wire Mesh “Fraying”

 

Left: Wire mesh cut diagonally
Right: Wire mesh cut along the mesh

User Overseas manufacturer of gas safety devices
Issues and Requests We received an inquiry for a new product and manufactured a metal mesh filter with an outer diameter of φ6. This type of filter is one of the three main types of filters we manufacture, and we did not expect to encounter any issues during manufacturing.
However, when we manufactured the filter, we found that the wire mesh was slightly frayed at the edges.
Although this fraying did not immediately pose an issue, our customer was concerned that the wire mesh scraps might be mixed into the next process, and inquired if there was any way to remedy the situation.
Solution For customers who are worried about fraying, we propose sintered wire mesh. Sintered wire mesh is a type of wire mesh that prevents fraying and misalignment by welding (sintering) wire rods together.
However, the 300-mesh wire mesh used in this project is very thin (φ0.04), so the wire mesh will tear during the sintering process.
There is a method of pulling out the wire mesh without welding, but this would require the creation of a new die, which was not the best solution for our customer, who wanted to avoid increasing costs.
One day, our engineering department suggested changing the cutting direction of the wire mesh. The wire mesh had previously been cut parallel to the mesh, but we decided to cut it at an angle to the mesh.
We manufactured the product with the diagonal cut, and as expected by our engineering department, the occurrence of fraying was reduced. We succeeded in solving the user’s problem without incurring additional costs.

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