Electric melting forming method of metal component

Abstract

The invention provides an electric melting forming method of a metal component, which has the advantages of high efficiency, low cost and excellent mechanical performance. In the method, an electric melting head and a substrate are connected to two poles of a power supply; a raw metal wire is conveyed to the surface of the substrate by a conveying mechanism and the electric melting head in forming; under the stacking protection of granular accessories, an electric arc is generated between the raw metal wire and the substrate; a molten part is overlaid on the accessories to form a molten slag pool; current flows through the raw metal wire and the molten slag pool to form resistance heat and electroslag heat; the raw metal wire is molten under the effect of three thermal compound high-energy heat sources of electric arc heat, the resistance heat and the electroslag heatto form a local molten pool on the surface of the base material; the raw metal wire and the accessories are continuously conveyed; the relative movement of the electric melting head and the substrate is controlled by a computer according to hierarchical slicing data of the formed component to realize quick cooling and layer-by-layer condensation and accumulation of the molten pool on the substrate; and finally, the metal component with the needed shape and size is formed through layer-by-layer accumulation.

Description

technical field [0001] The invention relates to an electric melting forming method of a metal component. Background technique [0002] At present, modern heavy industrial equipment such as nuclear power, thermal power, petrochemical, metallurgy, and shipbuilding is rapidly developing towards large-scale, complex, high-performance parameters, high reliability, and long-life service under extreme conditions. The required low-alloy high-strength steel The size of key metal components such as heat-resistant alloys and heat-resistant alloys is also increasing, and the quality requirements are getting higher and higher. Its manufacturing method mainly adopts hundreds of tons of large-scale steel ingot smelting, casting and forging and pressing of heavy forging industrial equipment such as 10,000-ton hydraulic press, supplemented by final machining. This method can basically meet the technical quality requirements, but the manufacturing process is numerous, the production cycle is...

AI Technical Summary

Problems solved by technology

[0004] 3D printing, due to its high degree of manufacturing flexibility, short forming cycle, and fast processing speed, has been widely used in the forming of product module models, such as the use of low-melting point materials such as paraffin and resin to form workpiece models. It is also used in specific industries such as Significant breakthroughs and applications have been made in the manufacture of aerospace titanium alloy metal components, but there are still many difficulties to overcome in order to fully enter the manufacturing industry, especially the heavy equipment manufacturing industry

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