Polishing method for aluminum after anodizing

Abstract

The invention discloses a polishing method for aluminum after anodizing comprising following steps: fixing workpiece: aluminum product or aluminum alloy workpiece to be processed and after anodic oxidation treatment is fixed on a polishing part of a polishing device; a polishing disk is installed and is fixed on a head of a polishing machine; polishing is carried out with the machine and with polishing cotton; a cycle filtering liquid injection mode is adopted and polishing solution is reused. By adopting the above scheme, on the premise that the protection function of anode sheath is not damaged, the anode sheath is polished to obtain better polishing effect. The production cost is low; the equipment investment is small; technology control parameters are less; the flow is easy to control and automation is easy to realize; the production line occupies small space so as to be convenient for large scale production; the method has large market application value.

Description

technical field [0001] The invention relates to a polishing process, in particular to a polishing method after aluminum anodic oxidation. Background technique [0002] Aluminum and aluminum alloys have special material properties: light weight, strong flexibility and easy product forming and anodic dyeing treatment. Therefore, they are used more and more widely in processing and manufacturing. [0003] The traditional grinding process is to polish the aluminum before anodizing. As people have more and more stringent requirements on the appearance of electronic consumer products, the surface is required to be smooth and delicate, even a mirror surface. It is difficult for the traditional grinding process to meet this requirement. Therefore, as With the continuous improvement of technology, it is found that the aluminum material is polished after the anode, and the polishing effect is better. However, the processing technology currently being developed mainly includes the foll...

AI Technical Summary

Problems solved by technology

The medium is mainly made of liquid with good fluidity under low pressure and mixed with abrasives; the abrasives can be fine-grained silicon carbide or aluminum oxide, but the efficiency is low. If the fluid velocity is increased to increase the cutting rate, it is easy to cause a weak structure in product design Partially deformed, and the technology in the industry is not very mature, and the product manufacturing level is not easy to control;

[0006] 3) Magneto-rheological polishing: Magneto-rheological polishing is to use magnetic liquid mixed abrasives to form abrasive force under the action of a magnetic field to grind the workpiece. This polishing process is similar to the principle of fluid polishing, but the power source is different. Magnetic Rheological polishing is to use the magnetic field to change the physical properties of the abrasive liquid and use the relative movement between the liquid and the surface of the workpiece to grind, so as to achieve the polishing effect. The advantage is that products with complex structures can be polished by controlling the magnetic field. The disadvantage is low efficiency and high cost. , Need to invest a lot of theme equipment and auxiliary equipment, and the technology in the industry is immature, it is not easy to achieve large-scale production

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