Forging process of large aluminum alloy hub

Abstract

The invention relates to a forging process of a large aluminum alloy hub. The forging process is a processing process using a production line of the large aluminum alloy hub and is characterized by including the steps of cutting an aluminum alloy bar, heating the bar, performing pre-forging and compacting to a blank by a hydraulic pre-forging machine, performing secondary heating and thermal insulation to a workpiece, performing final forging and compacting to the workpiece by a hydraulic hub final-forging machine, and performing hole expanding, edge cutting and reshaping to the workpiece. The production line comprises a bar cutting machine, a bar heating stove, workpiece clamping manipulators, the hydraulic pre-forging machine, the hydraulic hub final-forging machine, a hydraulic hub hole-expanding and edge cutting machine and a hub compacting die. The forging process for the large aluminum alloy hub has the advantages that mechanical performance, physical performance and yield of a finished hub can be increased greatly, cost, time and manpower for secondary processing and reshaping are economized greatly, and safety and operation efficiency of a device in production and manufacturing are increased. The forging process is high in automation degree, and a modern production and manufacturing process for aluminum alloy hubs can be met.

Description

technical field [0001] The invention belongs to the technical field of automobile wheel hub processing, and in particular relates to a large-scale aluminum alloy wheel hub forging process. Background technique [0002] As one of the most important moving parts of a car, the wheel hub has high requirements on its performance, weight and service life. In recent years, due to its advantages of light weight, fast heat dissipation, good shock absorption performance, long life and good balance, aluminum alloy wheels stand out in the automotive industry and are widely used in various new models. At present, the methods of manufacturing aluminum alloy wheels at home and abroad are mainly divided into two categories: one is forging method, among which, the most advanced foreign technology is composed of continuous casting process and three forging processes. Although the quality of this method is good, the finished product The rate is only about 50%, and the price is expensive. The...

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Problems solved by technology

Because this substance is very easy to produce smoke and toxic and harmful gases, it has a toxic effect on the human body. Operators need to wear protective masks when operating. However, because the surrounding environment has been polluted by release for a long time, the protective masks are only simple protection and cannot be used. To achieve the real protect...

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