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Etching Solutions

Etching + Welding


Typical Etching + Welding Process Solution Analysis


Part Name

Quality Requirements

Process Solution Analysis

Why Choose Etching+Welding Process Solution

Column shaped, no deformation, no burr, no blocking hole, no scratches.

Material SUS 316L, Thickness=0.3mm.

Hole size=0.4mm, Hole distance=0.8mm.

Tolerance +/-0.05.

✳ Solution A: Stamping process, can‘t open Hole size=0.4mm, hole distance=0.8mm.

✳ Solution B: Laser Cutting process, cost very high, not suitable for mass production.

✳ Solution C: Etching+Welding process.

 Etching can make very dense micro holes.

 Etching can change design under very low cost.

 Etching mesh is suitabble for rolling and column shaping.

 Hole to hole precision welding makes the welding seam invisible. 

 Polishing after welding makes the mesh seamless.

AI Vacuum Cleaner Motor Air Inlet Mesh

AI Vacuum Cleaner Motor Air Inlet Mesh Etching+Welding Process Solution Details

1. Etching Flat Air Inlet Mesh

2. Column Shaped Rolled Air Inlet Mesh

3. Seamless Welding Air Inlet Mesh

4. Hole to Hole Precision Welding Air Inlet Mesh



What is Welding?


The welding principle is gas shielded arc welding, also known as gas shielded welding or gas electric welding. It is a melting welding that uses an arc as a heat source and gas as a protective medium. During the welding process, the shielding gas forms a gas protection layer around the arc, which separates the arc and the molten pool from the air, prevents the influence of harmful gases, and ensures the stable burning of the arc.

 

Depending on the specific situation, gas shielded welding can use different gases. Commonly used shielding gases are carbon dioxide, argon, helium, hydrogen and mixed gases. The advantages of gas shielded welding are: good arc linearity, easy centering, easy to achieve full-position welding and automatic welding; concentrated arc heat, small molten pool, fast welding speed, narrow heat-affected zone, small deformation of welded parts, strong crack resistance, and good weld quality.

 

After welding, the weld surface is polished and ground to beautify the weld surface and even make it difficult to distinguish with the naked eye. We usually call it seamless welding technology. Seamless welding can not only help eliminate mold welds, but also correspondingly improve the precision, finish and appearance of parts. At the same time, seamless welding technology implements efficient control during the injection molding process and shortens the mold processing cycle. Since the products produced by this process have excellent surface finish, secondary spraying and annealing are not required, which avoids dimensional changes caused by secondary shrinkage.



                                        Welding Equipment                                                          Welding Head

   



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