In fact, the polishing process, as the name implies, is the specific process for polishing the surface of the product using polishing equipment and polishing materials. The polished product has high gloss and brightness.

        Now the polishing technology is divided into: (roller polishing machine, centrifugal polishing machine, magnetic polishing machine, vibration polishing machine) mechanical polishing, electrolytic polishing, chemical polishing.

      (cylinder polishing machine, centrifugal polishing machine, magnetic polishing machine, vibration polishing machine) mechanical polishing detailed introduction and principle:

        Roller polishing is often adopted when mass bearing steel balls are produced in large quantities. A large number of steel balls, grinding fluids and abrasives are placed in the container at the time of rough throwing. After the machine is started, the ball and abrasive are randomly rolled into the cylinder to achieve the purpose of reducing the surface roughness by removing the surface convex front.

        The remainder of about 0.01 millimeters can be removed. When the ball is thrown, the steel ball and polishing abrasive and gloss agent are placed in the barrel, and the bright surface can be obtained by grinding the corresponding time again.

        The polishing of precision line scale is carried out in the polishing solution, and the polishing fluid is mixed with chromium oxide micro powder and emulsion from W5 to W0.5. 

        The polishing wheel is made of thin, defatted wood or special fine felt, and its trajectory is uniform and dense network. The surface roughness after polishing is not more than Ra0.01 micron, and no surface subsidence is observed under the magnified 40 times microscope.

        Mechanical polishing is polished on a special polishing machine, and the grinding marks are eliminated by relative grinding and rolling between polished materials such as polishing stone and the surface of the grinding surface, which are divided into coarse polishing and fine polishing.

        The surface of workpiece is modified by flexible polishing tools and abrasive particles or other polishing media. Polishing can not improve the size of the workpiece precision or geometric accuracy, but to get a smooth surface or mirror gloss for the purpose of adding the corresponding polishing liquid may quickly restore the metal surface more than the original luster, and will not leave any scar.

        The principle and process of electrolytic polishing:

        The principle of electrolytic polishing of stainless steel is generally recognized as the mucosal theory. The theory is that the metal ions separated from the workpiece and phosphoric acid in the polishing liquid form a phosphate film on the surface of the workpiece. This mucous membrane is thinner in the protruding, thicker in the concave, fast dissolved in the high current density at the protruding, changing with the mucous membrane, and the rough surface is gradually leveled.

        Electrolytic polishing process: degreasing, water washing, rust removing, water washing, electrolytic polishing, water washing, neutralization - water washing - passivation - packaging

        Chemical polishing: the chemical polishing needle needs to be heated in the situation that the polishing requirements are not high. For the present technology, if it is able to use the above three kinds of polishing, it will not use chemical polishing, because the chemical polishing effect is poor and the comprehensive cost is high.