Chromium plating device and chrome plating method for inner hole annular groove and boss profile
An annular groove and inner hole technology, applied in the direction of electrolysis components, electrolysis process, etc., can solve the problems of difficult to meet the use requirements of parts, burrs on the edge of the groove, poor coating uniformity, etc. The effect of abrasion resistance
Active Publication Date: 2019-05-10
LANDING GEAR ADVANCED MFG
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Problems solved by technology
[0008] In order to solve the problem that the existing chromium plating device has rough chrome layer after chrome plating on the inner hole annular groove and its adjacent convex table surface, serious burrs on the edge of the groove, poor uniformity of the plating layer, discontinuity, or even no chrome layer, and it is difficult to meet the use requirements of the parts. The present invention aims to provide a chrome-plating device and a chrome-plating method for an inner hole annular groove and a boss profile, the chrome-plated chrome-plated workpiece has a uniform thickness of the chrome layer, and the appearance is smooth, the chrome layer covers 100%, the edge transition area is regular, No glitch
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[0040] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. For the convenience of description, if the words "up", "down", "left" and "right" appear in the following, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure.
[0041] A chrome-plating device and chrome-plating method for an inner hole annular groove and a boss profile, such as figure 1 As shown, taking the chrome plating of the inner hole of a typical annular groove part as an example, the specific chrome plating requirements are as follows:
[0042] a). Chromium plating (0.02-0.04) mm on all surfaces of the inner hole of the part;
[0043] b). The chrome-plated part of the inner hole includes a length of L1 (...
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The invention discloses an inner hole annular groove and boss molded surface chromium plating device and method. The inner hole annular groove and boss molded surface chromium plating device comprisesa first chromium plating device used for plating chromium on the boss molded surface of a workpiece and a second chromium plating device used for plating chromium on an inner hole annular groove of the workpiece; the workpiece is a cylindrical part with the inner hole annular groove and the boss molded surface; the first chromium plating device comprises a clamp, an inner hole anode and an elastic expanding ring; and the second chromium plating device comprises a supporting protecting sleeve, and the outer wall face of the supporting protecting sleeve is provided with at least one outer annular groove. According to the chromium plating device, after the workpiece is plated with chromium, the chromium layer thickness is uniform, the appearance is smooth, the chromium layer covering is 100%, and an edge transition area is regular and free of burrs.
Description
technical field [0001] The invention relates to a chrome-plating device and a chrome-plating method for an inner hole annular groove and a boss profile, and belongs to the field of special process processing methods. Background technique [0002] In recent years, with the development of new research products in the military industry, the annular grooves in the inner holes of some key parts need to be chrome-plated due to their inherent characteristics. The chrome plating of ring groove parts is due to the particularity of its structure: the width of the groove is small and the depth is deep; the boss between adjacent grooves is narrow. And they are all in the inner hole. Its structure determines that the chrome-plated part is a continuous boss, concave cavity and adjacent corners, and the so-called edge effect in the electroplating process mainly occurs in this part. According to the previous electroplating process, The main changes after plating are: [0003] 1. The coati...
Claims
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IPC IPC(8): C25D7/04C25D5/02C25D17/08
CPCC25D5/02C25D7/04C25D17/08
Inventor 杨鹏谭子豪胡建雄吴红军宗洋洋张雪艳张健张升
Owner LANDING GEAR ADVANCED MFG