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Aluminum alloy parts processing characteristics and processing deformation avoidance
Mar 02, 2018

Aluminum parts processing, as the name implies, is the use of aluminum for this material processing parts, in order to get the finished product or the desired product, so as to ensure good processing quality and processing results. Therefore, based on this, the following will be the aluminum alloy parts processing learning, the specific content is as follows.

 

1. Aluminum alloy parts processing characteristics

 

(1) In the processing of aluminum alloy parts, it is divided into roughing and finishing. Moreover, roughing and then heat treatment are generally performed in order to fully release the cutting stress and residual stress in the workpiece. After that, further finishing, so that to ensure the quality of the workpiece processing, to avoid problems.

(2) In general, the roughing in aluminum alloy fittings is mainly for the processing of the smaller margin, which produces less processing stress and deformation. The finishing, it is for the larger margin of processing, therefore, these two should be distinguished, can not be carried out at the same time.

 

2. Aluminum alloy parts processing why the release of residual stress and processing to avoid deformation

Aluminum alloy parts processing, the residual stress to release the specific reasons, is to avoid the workpiece deformation problems. And want to avoid the problem of processing deformation, it is possible to take some corresponding measures, which is:

 

Measure 1: reduce the internal stress of the blank, can be aging treatment or vibration treatment, and, can also be pre-processing. In addition, the pre-processing rough will be allowed to stand for a period of time, but also can release some of its internal stress.

Measure 2: Improve the cutting ability of the tool, because the cutting ability of the tool will affect the cutting force and cutting heat in the machining of the aluminum alloy parts, and further affect the degree of deformation of the workpiece. Therefore, we can have this concrete conclusion Claim. In addition, the geometry parameters of the tool should be selected reasonably.

Measure 3: Reasonable arrangement of aluminum alloy parts processing and processing processes, and finishing, the workpiece surface should have a uniform allowance, usually in the range of 0.2-0.5mm, so that when the tool can be used A steady state, and thus, to avoid the deformation of the process.

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