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Method for electroplating elbow bend and method for preparing large-curvature multi-dimensional complicated metal pipe

A technology for large-curvature, metal tubes, applied in the field of preparation of large-curvature metal tubes, can solve the problems of inability to prepare large-curvature metal tubes, and inability to achieve large-curvature elbow-shaped plated parts electroplating, etc.

Inactive Publication Date: 2012-07-11
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to solve the problem that the existing electroplating method cannot realize the electroplating of elbow-shaped bending parts with large curvature and cannot prepare large-curvature metal pipes, and provides a method for electroplating elbow-shaped bends and its application to prepare large-curvature multi-dimensional complex metal pipes

Method used

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  • Method for electroplating elbow bend and method for preparing large-curvature multi-dimensional complicated metal pipe
  • Method for electroplating elbow bend and method for preparing large-curvature multi-dimensional complicated metal pipe
  • Method for electroplating elbow bend and method for preparing large-curvature multi-dimensional complicated metal pipe

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specific Embodiment approach 1

[0013] Specific implementation mode one: combine figure 1 and figure 2 , the present embodiment is a method for electroplating an elbow, which is completed according to the following steps: first, use the elbow anode plate 1 to electroplate the inner side of the elbow of the module to be plated, and then electroplate the elbow of the module to be plated. The outer side of the bend and the upper and lower sides of the module to be plated, the elbow-shaped bent anode plate 1 consists of a right side plate 1-1, a right front plate 1-2, a left side plate 1-3 and a left front plate 1 -4, the right side plate 1-1 and the left side plate 1-3 are straight plates, and are respectively parallel to the two side walls of the module to be plated, and the distance from the two side walls is L respectively, and the right front plate 1 -2 and the left front plate 1-4 are straight plates, and the front end of the right front plate 1-2 is docked with the front end of the left front plate 1-4 ...

specific Embodiment approach 2

[0015] Specific implementation mode two: the difference between this implementation mode and specific implementation mode one is: combining figure 1 , the angle A of the elbow bend of the module to be plated described in this embodiment coincides with the corner line where the front end of the right front plate 1-2 and the front end of the left front plate 1-4 are joined to form a sharp angle B, and the right The side front panel 1-2 and the left front panel 1-4 are symmetrical about the corner dividing line where the front end of the right front panel 1-2 and the front end of the left front panel 1-4 are butted to form a sharp angle B. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0016] Specific implementation mode three: the difference between this implementation mode and specific implementation mode one or two is: the combination figure 1 , the right front panel 1-2 and the left front panel 1-4 described in this embodiment are curved panels curved inwardly in an arc shape, and the central angle of the curved arc is C: 0

[0017] In this embodiment, the right front panel 1-2 and the left front panel 1-4 are bent and deformed, which can improve the uniformity of the electric field distribution and make the surface of the electroplate...

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Abstract

The invention discloses a method for electroplating an elbow bend and a method for preparing a large-curvature multi-dimensional complicated metal pipe, relates to an electroplating method and a method for preparing a large-curvature metal pipe, and aims to solve the problems that a large-curvature elbow bend plated part cannot be electroplated by the conventional electroplating method and the large-curvature metal pipe cannot be prepared. The method for electroplating the elbow bend comprises the following steps of: electroplating the inner side of the elbow bend of a module to be plated by using an anode electroplating plate of which the tip is a sharp corner and the tail end is parallel to the module to be plated, and electroplating other surfaces, wherein the angle of the formed sharp corner is smaller than an included angle of the elbow bend of the module to be plated. The method for preparing the large-curvature multi-dimensional complicated metal pipe comprises the following steps of: preparing an electroplating rod, performing surface chemical treatment, electroplating by the method for electroplating the elbow bend to obtain the electroplating rod with a copper-plated surface, and removing the internal electroplating rod to obtain the large-curvature multi-dimensional complicated metal pipe. The invention is mainly used for electroplating the elbow bend and preparing the large-curvature multi-dimensional complicated metal pipe.

Description

technical field [0001] The invention relates to an electroplating method and a preparation method of a large-curvature metal pipe. Background technique [0002] In order to reduce fuel consumption and reduce carbon dioxide emissions, the integration and lightweight of automobiles and aerospace vehicles has become one of the focuses of attention. Studies have shown that for every 100kg reduction in vehicle curb weight, fuel consumption per 100 kilometers can be reduced by 0.3-0.6L. In addition, with the continuous improvement of the high-speed and high-maneuverability requirements of modern aircraft, aero-engines must meet the needs of a new generation of aircraft with high thrust-to-weight ratio, ultra-high speed, high altitude, long endurance, and ultra-long range. The new generation of aircraft, aero-engines and Airborne equipment is very demanding on its structural weight, and the structure of aero-engines is becoming more and more complex, and the precision requirements...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D7/04
Inventor 曹国剑刘东戎冯义成王丽萍郭二军
Owner HARBIN UNIV OF SCI & TECH
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