Repair welding method for mirror base material and surface treatment method for mirror base material
A surface treatment and repair welding technology, which is applied in the surface treatment of mirror substrates and repair welding of mirror substrates, can solve the problems of destroying the mirror effect and easily forming defects, and achieve the effect of improving the mirror effect
Pending Publication Date: 2022-04-12
GOERTEK INC
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Problems solved by technology
Due to the energy concentration of the laser, it is easy to form defects at the part where the edge of the solder contacts the mirror substrate
This defect destroys the mirror effect
Method used
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[0028] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
[0029] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.
[0030] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.
[0031] In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...
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The invention discloses a repair welding method of a mirror base material and a surface treatment method of the mirror base material. The repair welding method for the mirror surface base material comprises the steps that first welding is conducted, specifically, a metal welding material is fused at the damaged position of the mirror surface base material through laser welding to form a first layer, and the damaged position is covered with the first layer; second-time welding is conducted, specifically, a metal welding material is fused on the first layer through laser welding to form a second layer, the area of the second layer is larger than that of the first layer, the edge, relative to the first layer, of the second layer extends outwards by a first set distance, and when second-time welding is conducted, the first set distance is larger than the second set distance; a light spot of laser welding is located on the inner side of the edge of the first layer, and the distance between the edge of the light spot and the edge of the first layer is a second set distance.
Description
technical field [0001] The present application relates to the technical field of laser cladding, and more specifically, to a repair welding method for a mirror substrate and a surface treatment method for a mirror substrate. Background technique [0002] Some electronic products, such as earphones, smart watches, wristbands, etc., have a smooth surface of the casing, for example, the surface of the casing is a mirror surface. When preparing the shell, injection molding is usually used. For example plastic material is injection molded into a mold to form the housing. Since the surface of the shell is a mirror surface, the surface of the mold is also required to be a mirror surface. Sliders are provided in some molds. The partial surface of the slider is likewise mirrored. The slider slides between the injection position and the avoidance position. Since the slider is a movable part, the mirror surface is easily damaged, for example, broken, strained, crushed, etc. In ad...
Claims
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IPC IPC(8): B23K26/342B23K26/0622B23K26/60
Inventor 辛超郑勇李荣伟陈伦
Owner GOERTEK INC