Device for forming micro metal parts by particle jet electrodeposition and method thereof

Abstract

The invention discloses a device for forming micro metal parts by particle jet electrodeposition and a method thereof. Based on the processing technique of the particle jet electrodeposition, a processing method of millimeter-scale metal parts is developed by utilizing the principle of layered machining in prototype manufacturing and combining the latest numerical control machining technology. Through a plurality of two-dimensional templates which define the filling process of jet electrodeposition in the region, the metal deposits can be stacked into the required metal parts.

Description

technical field [0001] The invention relates to a device and a method for forming a micro metal part by electro-deposition of particle jet. Background technique [0002] With the gradual widespread application of tiny mechanical parts in key industries such as machinery, aviation, and national defense, special structural designs (such as asymmetry, special curved surfaces, special-shaped inner holes, thin-walled parts, deep holes, etc.) can often bring extremely high Therefore, researchers from various countries have proposed many manufacturing methods: such as LIGA and quasi-LIGA technology, EFAB technology (Electrochemical Fabrication), jet electroforming technology, high-energy beam processing technology (laser beam, electron beam, ion beam, etc.), micro-electrolysis technology, Micro-precision EDM technology, micro-electroforming technology, micro-precision milling technology, etc. In the additive manufacturing method, "LIGA / quasi-LIGA technology" is a typical applicati...

AI Technical Summary

Problems solved by technology

In the patent publication number CN200710025121, a method of directly manufacturing metal parts using stacked template electrodeposition technology is proposed. However, for stacked processing, the deposition of a single layer is often due to the problem of edge effects, resulting in poor deposition uniformity. Therefore, a single After the layer is processed, post-machining treatment is still required to improve the surface uniformity before the next layer can be deposited

Therefore, the processing efficiency is low, and the formed parts are prone to delamination defects, which in turn affects the compactness and uniformity of the material, and finally affects the mechanical properties and forming accuracy of the formed parts.

At the same time, due to the limitation of numerical control technology, the implementation methods and links are relatively cumbersome, and the operability is poor; Zhao Yangpei and others also used jet electrodeposition technology to test the direct forming of micro-metal parts, and obtained a three-dimensional nanocrystalline micro-metal However, due to the unsatisfactory scanning localization in electroforming (energy focusing is not as good as laser, ion beam and other high-energy beam processing methods), the forming accuracy is limited, and the forming structure is too simple

These factors limit the wide application of electrodeposition technology as a tool for forming micro metal parts

Images