Efficient electrochemical polishing device and method for outer surface of tungsten pipe

Abstract

The invention provides an efficient electrochemical polishing device and method for the outer surface of a tungsten pipe. The method comprises the following steps that S1, pretreatment is conducted, specifically, the to-be-polished tungsten pipe is cleaned to remove impurities on the surface of the tungsten pipe, and the to-be-polished tungsten pipe is dried; S2, electrochemical polishing is conducted, specifically, a barrel is provided, the to-be-polished tungsten pipe is inserted into the barrel, the central axis of the to-be-polished tungsten pipe is made to coincide with or be parallel to the central axis of the barrel, the central axis of the to-be-polished tungsten pipe is made to be vertically arranged, electrolyte is introduced into the barrel till the barrel is full of the electrolyte, the central axis of the to-be-polished tungsten pipe is horizontally arranged, the to-be-polished tungsten pipe and the barrel are connected to an positive electrode and an negative electrode of a power source correspondingly, meanwhile, the electrolyte is circularly guided into the barrel, the electrolyte is left to stand, the central axis of the to-be-polished tungsten pipe is vertically arranged, introduction of the electrolyte is stopped, the barrel is opened for exhausting and left to stand, the power source is disconnected after polishing is finished, and the tungsten pipe is taken out; and S3, post-treatment is conducted, specifically, the tungsten pipe is cleaned and dried. According to the efficient electrochemical polishing device and method, efficient polishing of the tungsten pipe is achieved, the polishing efficiency is effectively improved, and the polishing quality is excellent.

Description

technical field [0001] The invention relates to the technical field of electrochemical polishing, in particular to a high-efficiency electrochemical polishing device and method for the outer surface of a tungsten tube. Background technique [0002] Tungsten tubes are mainly used in thermocouple protection tubes in high temperature furnaces, sapphire single crystal furnaces, supports in high temperature sintering furnaces, etc. Tungsten alloy has a good radiation shielding effect, so tungsten alloy tubes can be used for shielding needle tubes in medical treatment; the engine used in rocket propulsion is a jet engine that uses compressed high-performance fuel. The generated temperature can reach thousands of degrees. Tungsten alloy tube is a kind of metal material with strong high temperature resistance. It is used in the lining part and ignition tube parts in rocket engines. The roughness of the outer surface of tungsten and its alloys will affect the working condition and s...

AI Technical Summary

Problems solved by technology

In order to make the most favorable use of the applied electric field, different voltages or currents will lead to different current densities, resulting in different polishing effects and efficiencies.

At present, for tungsten tube polishing equipment, most of the tungsten tubes are directly put into the electrolyte tank for overall polishing, resulting in a large difference in the polishing degree of different positions of the tungsten tube, poor polishing effect, long polishing time and low polishing efficiency. Low, and improper clamping of the tungsten tube will cause a short circuit

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