CNC machining Causes of failure of mechanical parts in machining of stainless steel parts

CNC machining Causes of failure of mechanical parts in machining of stainless steel parts

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Stainless steel parts processing factory, there are many reasons for failure, in the actual production, the failure of the part is due to a single factor, is often a result of several factors. It can be divided into four aspects: design, material, processing and installation:

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1. Design a is due to the structure and shape design is unreasonable, which lead to the failure parts, such as parts of the high stress area are obvious stress concentrated source (all sharp corners, gap, small fillet etc.; the second is on the part of the working conditions and estimation errors, such as to work in the overload underestimated, so that parts of the design of insufficient bearing capacity.

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2, material selection is the main reason for the failure of materials. The most common is the design personnel only according to the material of the conventional performance index to make a decision, and these indicators can not reflect the material is subject to some type of failure of the material itself of the defects (such as shrinkage, porosity, porosity, inclusion, micro cracks, etc.) also lead to part failure.

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3, processing causes machining of stainless steel is introduced, due to the machining process control is not good to can cause a variety of defects caused by failure. Such as heat treatment process control is undeserved cause overheating, decarburization, tempering insufficiency; forging process adverse banded structure, overheating and burning phenomenon; cold processing bad cause finish is too low, marks too deep, and grinding cracks can lead to parts of the failure.

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