PVD (Physical Vapor Deposition) double-color coating method for metal part

Abstract

The invention relates to a PVD (Physical Vapor Deposition) double-color coating method for a metal part. The PVD double-color coating method for the metal part comprises the following steps that 1, a first layer is coated; 2, a coating surface is exposed; 3, a PVD film layer is removed; 4, a second step surface is formed; and 5, double-color coating is completed, after the metal part is etched to form the second step surface, the metal part is put into PVD coating equipment for coating, after coating is completed, an ink pattern layer on the surface of the metal part is removed until two color effects of different surface textures on different planes appear on the surface of the metal part, and double-color coating is completed. According to the PVD double-color coating method for the metal part, chemical etching and PVD coating are combined, and two different colors and texture features can be achieved on the two surfaces, with different depths, of the metal part; the metal part does not deform in the step surface machining process, and the step height can be flexibly controlled and adjusted; and any pattern can be manufactured on the step surface of the metal part, the change and depth of the pattern can be rapidly adjusted, the pattern contour is clear, and the size machining precision is high.

Description

technical field [0001] The invention relates to a PVD two-color coating method for metal parts, and belongs to the technical field of two-color coating. Background technique [0002] At present, the two-color PVD coating process usually adopts radium engraving or sandblasting process to achieve different colors and textures in the two areas. When the height of the two surfaces exceeds a certain height difference, the radium engraving or sandblasting process will cause the material Material deformation cannot be implemented due to local high heat or stress, and it is difficult to avoid the problem of material deformation in the existing technology. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a PVD two-color coating method for metal parts, and its specific technical scheme is as follows: [0004] A PVD two-color coating method for metal parts, comprising the following steps: [0005] Step 1: Th...

AI Technical Summary

Problems solved by technology

[0002] At present, the two-color PVD coating process usually adopts radium engraving or sandblasting process to achieve different colors and textures in the two areas. When the height of the two surfaces exceeds a certain height difference, the radium engraving or sandblasting process will cause the material Material deformation cannot be implemented due to local high heat or stress, and it is difficult to avoid the problem of material deformation in existing technologies

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