Al-Si-Mg based aluminum alloy excellent in machinability and method of producing the same

Abstract

An Al-Si-Mg-based aluminum alloy includes about 1.2 to about 1.4 wt % of Si, about 0.6 to about 0.75 wt % of Mg, about 0.8 to about 1.0 wt % of Sn, and Al and impurities as the balance on the basis of the total weight of the aluminum alloy. The aluminum alloy communication has excellent machinability and will not produce chip warp or damage the processing tool in the processing process so as to shorten the processing period, greatly decrease defective ratio of products, increase product quality and reduce burr residual quantity which facilitating washing and cleaning burrs.

Description

technical field [0001] The invention relates to an Al-Si-Mg series aluminum alloy with strong machinability and a production process thereof. Background technique [0002] Ordinary 6000 (Al-Mg-Si series) aluminum alloys for communication are often used as accessories such as ABS (Anti-lock Breaking system) pump casings and ESC (Electronic Stability Control) pump casings for automobiles. [0003] However, the machinability of ordinary 6000 (Al-Mg-Si series) aluminum alloys for communication is not ideal. During processing, the processing chip will become longer, which will cause the processed tool to warp or increase the load on the tool, resulting in processing Defects and damage to processing tools, and reduce processing speed, reduce the quality of processed objects and other defects. [0004] Therefore, when the pump housing of ABS (Anti-lock Breaking system) or the pump housing of ESC (Electronic Stability Control) are made of ordinary 6000 series communication alloy, i...

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Problems solved by technology

[0003] However, the machinability of ordinary 6000 (Al-Mg-Si series) aluminum alloys for communication is not ideal. During processing, the processing chip will become longer, which will cause the processed tool to warp or increase the load on the tool, resulting in processing Defects and processing tools are damaged, and the processing speed is reduced, and the quality of the processed object is reduced.

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