How does machining lead to deformation of steel parts?
Jun 12,2020
During the entire mechanical processing process, various machining biases or operational errors by other manufacturing personnel can easily lead to deformation of steel parts. This problem cannot be resolved. Ancestors must understand the practical reasons for deformation and then take measures to release it. Therefore, what are the key factors that easily lead to deformation of steel parts during the machining process?
When multiple directions of clamping force act on the steel part, the order of the clamping force must be considered. The clamping force that makes contact between the steel part and the support should act first and should not be too large, while the key clamping force for balancing cutting speed should act last.
Secondly, it is necessary to expand the contact area between the steel part and the fixture or use radial clamping force. Increasing the rigidity of the part is an effective way to address clamping deformation, but due to the shape and structural characteristics of thick-walled parts, they tend to have lower rigidity. Thus, under the effect of clamping force, deformation will occur.
The magnitude of deformation is proportional to the complexity of shape, aspect ratio, and wall thickness, and is also proportional to the rigidity and reliability of the material. Therefore, when designing parts, it is necessary to minimize the impact of these factors on the deformation of steel parts. Especially in the structure of large parts, reasonable configuration should be ensured. Before manufacturing, strict control should be applied to defects such as blank strength and looseness to ensure the quality of the blank and reduce the deformation of the resulting steel parts.
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