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Device and method for inner bore type component brush plating

A technology of brush plating and component parts, which is applied in the field of brush plating devices for inner holes, can solve the problems of unsatisfactory repair technology and inability to replenish metal ions, etc., and achieve reduced brush plating costs, strong wear resistance, and reduced clamping The effect of precision requirements

Inactive Publication Date: 2009-08-26
ACADEMY OF ARMORED FORCES ENG PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the repair technology currently used is not ideal. The main defect is that the anode of the plating pen generally uses graphite during brush plating, which cannot replenish metal ions to the plating solution. As the brush plating process progresses, the concentration of metal ions in the plating solution Gradually decrease, the deposition rate and the quality of the coating also gradually decrease. When the metal ion concentration is lower than 40% of the original solution concentration, the plating solution has to be scrapped, and the scrapped plating solution needs strict discharge treatment

Method used

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  • Device and method for inner bore type component brush plating
  • Device and method for inner bore type component brush plating
  • Device and method for inner bore type component brush plating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1 Brush plating device for parts with inner holes (1)

[0046] refer to Figure 1~6 The brush plating device for inner hole parts includes a special plating pen for inner hole brush plating 1, three workpieces to be plated 2, workpiece clamping and sealing device 3, plating pen rotating device 4, liquid injection device 5, power supply and numerical control system ;

[0047] refer to figure 1 and figure 2 , the inner hole brush plating special plating pen 1 includes a handle 18 and a pen body 19; A sleeve 13 is provided, and an anode 16 is connected to the lower end of the mandrel 11; the pen body 19 is composed of two conductive plate bodies 14 and bristles 15, and the bristles 15 are arranged on the outer surface of the conductive plate body 14; the conductive plate body 14 and the sleeve The cylinder 13 is connected, and two conductive plates 14 are arranged in parallel on both sides of the anode 16, and the bottom ends of the two conductive plates 14...

Embodiment 2

[0053] Embodiment 2 Brush plating device for inner hole parts (two)

[0054] refer to Figure 3-7 The brush plating device for inner hole parts includes a special plating pen for inner hole brush plating 1, three workpieces to be plated 2, workpiece clamping and sealing device 3, plating pen rotating device 4, liquid injection device 5, power supply and numerical control system ;

[0055] refer to Figure 7 The special plating pen 1 for inner hole brush plating includes a handle 18, a pen body 19 and an insulating crossbeam 17; , the clamping part is connected to the lower part of the main body of the handle, and the lower end of the clamping part clamps an anode 16; Plates 14 are arranged on both sides of the anode 16 in parallel, and the upper ends of the two plates 14 are connected to the handle main body 110; the lower ends of the two plates 14 and the bottom end of the anode 16 are both arranged on the insulating beam 17 and do not touch each other.

[0056] The dista...

Embodiment 3

[0063] Example 3 Remanufacture of Steyr Engine Connecting Rod Using Inner Hole Brush Plating Technology (1)

[0064] The Steyr engine connecting rod is made of 35CrMo, and its large head hole is fitted with a copper bush after being fitted with the crankshaft. Due to the deformation caused by the impact load for a long time, it cannot meet the matching accuracy requirements, and the size needs to be restored after honing. The standard size of the big head hole is Φ88 0 +0.03 mm, the size after honing is Φ88 +0.08 +0.10 mm.

[0065] refer to Figure 1~6 , using the brushing device of Example 1, wherein the workpiece clamping and sealing device 3 clamps 6 connecting rods at a time, and the connecting rods are remanufactured by using the inner hole electroplating method. The process flow is:

[0066] a. Insert the special plating pen 1 for inner hole brush plating into the container 37. The plating pen 1 is slightly lower than the workpiece by 3cm, and the anode of the plat...

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Abstract

The invention provides a device and method for inner bore type component brush plating. The device comprises a workpiece to be plated, a workpiece clamping sealing device, a plating pen special for inner bore brush plating, and a plating pen rotary actuator. The workpiece to be plated and the clamping sealing device together form a container having an opening at the top; in plating process, the workpiece is the cathode, and the plating pen is the anode. The device and method realize that plating is prepared at the surface of the inner bore of the inner bore type component by using the technology of brush plating, thereby being applied to strengthening for new workpiece and also being applied to batch repair and remanufacturing for damaged pieces.

Description

technical field [0001] The invention relates to an electric brush plating technology, in particular to a device and method for inner hole electric brush plating. This method is aimed at parts with inner holes, and it is not only suitable for strengthening new parts, but also for repairing and remanufacturing of worn parts. Background technique [0002] Brush plating is a surface processing technology that uses electrochemical methods to reduce metal ions to metal and deposit them on the surface of metal or non-metal products to form a smooth and dense metal coating that meets the requirements. With the development of science and technology and production, brush plating technology involves more and more fields, and people's requirements for coating are getting higher and higher. At present, the application of metal coating has spread all over the various production and research departments of economic activities, and has great significance in production practice. However, t...

Claims

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Application Information

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IPC IPC(8): C25D5/06
Inventor 徐滨士胡振峰董世运
Owner ACADEMY OF ARMORED FORCES ENG PLA
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