Stainless steel micro mesh quality control
The stainless steel wire can also be called stainless steel micro mesh. The wire is mainly composed of spring wire and screw wire. For the stainless steel wire in the process of use, the phenomenon of drawing and breaking wire is common, and the reason why the stainless steel wire is broken and broken is mainly reflected in The surface quality of the wire is poor. The surface of the wire after rolling has defects such as crusting and indentation. During the drawing process, a crack source is formed at the surface defect, and the wire is expanded from the edge to the center to form a skewed fracture. When we use stainless steel wire, in order to prevent this from happening, let us know that the following measures can be controlled.
First, the surface quality. Factors affecting the surface quality of the wire are both the quality of the slab and the rolling. The defects of the slab have slag inclusions, crusting, and microcracks, which can be solved by the control of the second cold water. Rolling steel is mainly pressed, folded and scratched by iron oxide skin. Strengthening inspection and process control can prevent surface defects from occurring.
Second, the post-furnace refining process is optimized. The inclusions in the wire are Al2O3, SiO2, and CaO-based brittle composite inclusions. By reducing the free oxygen content in the molten steel and controlling the slag alkalinity in the post-furnace refining process, the size, shape, and plasticity of the inclusions can be improved, and the purity of the molten steel can be improved. Increasing the argon blowing time and flow rate enables large particle inclusions to float up sufficiently. The plasticization treatment of the inclusions causes the high-melting brittle inclusions to be converted into low-melting inclusions to facilitate deformation during cold working.
Third, reduce the superheat of molten steel and control the center shrinkage, porosity and composition segregation of the slab. Control the pouring temperature of molten steel, match the casting speed of the casting billet, and use the electromagnetic stirring and soft pressing technology of the crystallizer to improve the carbon segregation and the aggregation of inclusions in the high carbon steel, and reduce the brittle fracture problem caused by carbon segregation.
Stainless steel micro mesh weaving is an important process of stainless steel micro mesh weaving project. Its task is to make the warp and weft threads interweave to form a certain structure of the screen on the loom according to the technical requirements of the stainless steel wire weaving mesh structure.
The formation process of the stainless steel micro mesh on the loom is quite complicated, and it is completed under the organic cooperation of the following several process procedures.
1. Opening: The warp yarn is vertically moved up and down according to the technical requirements of the metal mesh to form the skein.
2. Guide weft: Introduce the weft into the formed crevice.
3. Beating: The weft introduced is directed to the weaving.
4. Coiling: Roll the woven metal mesh onto the reel.
5. Delivery: With the formation of the metal screen, the warp yarn is continuously drawn from the warp beam.
The above five process procedures are referred to as the five major movements of stainless steel micro mesh weaving. During the screen weaving process, these five movements (opening, weft insertion, beating, winding, and feeding) are continuously circulated, thus continuously forming stainless steel micro mesh.
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