It is a kind of pressure light finishing, which uses the cold plastic characteristics of metal at normal temperature, and uses rolling tools to apply a certain pressure on the surface of the workpiece, so that the metal on the metal surface produces plastic flow and fills the original In the groove, reduce the surface roughness of the workpiece. No matter how the rolled tube is processed, tiny bumps and uneven marks will appear on the surface of the part.
Due to the plastic deformation of the honed tube rolling surface metal, the surface structure is processed by cold quenching to form a dense fibrous shape, forming a residual stress layer, increasing the hardness and strength, thereby improving the wear resistance, corrosion resistance and coordination of the rolling tube surface sex. Rolling is a non-cutting plastic processing method. No-cut technology is safe, convenient, and it allows for precise control with precision.
1. Improve the surface roughness, the roughness can basically reach Ra less than about 0.08μm.
2. Correct the roundness, the ellipticity can be less than 0.01mm.
3. Improve the surface hardness, eliminate stress and deformation, and the hardness will increase by HV or greater than 4 degrees.
4. After processing, the residual stress layer increases and the fatigue strength increases by 30%.
5. Improve the quality of cooperation, reduce wear and tear, prolong the service life of parts, but reduce the processing cost of parts.
