Automobile accessory die casting method

Abstract

The invention discloses an automobile accessory die casting method and relates to the technical field of metal die casting. Aluminum alloy is adopted. The method includes the following steps of melting, modification for gas removal, die casting, cooling and annealing, and die casting of a product is completed. According to the method, because the aluminum alloy is adopted, the tensile strength, the modified and refined structure, the heat resistance, the ductility and the plasticity of the product are obviously improved; the pore reject ratio in the die-cast element is greatly reduced, and the product yield is increased to over 90%. Gas removal is carried out in the melting process, so that bubbles are avoided in the die-cast element, and product toughness is good after annealing. A vacuum casting mode is adopted so that a cast surface can be fine and a bright or texture surface can be generated. Besides, waste can be reduced during production, water gaps or abundant waste can be recycled, and cost is reduced.

Description

technical field [0001] The invention relates to the technical field of metal die-casting, in particular to a die-casting method for auto parts. Background technique [0002] In the auto parts production industry, ordinary die-casting technology is usually used for the production of auto parts, but the die-casting parts produced by ordinary die-casting technology, especially aluminum alloy auto parts, are prone to have pores in the structure and cause bad phenomena. Alloy parts have defects such as poor toughness, low strength, low mechanical properties, corrosion resistance, poor high temperature resistance, more waste, and labor-intensive. Contents of the invention [0003] The purpose of the present invention is to provide a die-casting method for auto parts to solve the problems raised in the above-mentioned background technology. [0004] To achieve the above object, the present invention provides the following technical solutions: [0005] A die-casting method for a...

AI Technical Summary

Problems solved by technology

[0002] In the auto parts production industry, ordinary die-casting technology is usually used for the production of auto parts, but the die-casting parts produced by ordinary die-casting technology, especially aluminum alloy auto parts, are prone to have pores in the structure and cause bad phenomena. Alloy parts have defects such as poor toughness, low strength, low mechanical properties, corrosion resistance, poor high temperature resistance, more waste, and labor-intensive.