Deformation is a common problem in the process of Aluminum Parts CNC Machine Tool Processing, which will affect the processing accuracy and product quality. Here are some ways to avoid deformation of aluminum parts.
First, it is crucial to choose the processing parameters reasonably. The selection of cutting speed, feed rate and cutting depth should be adjusted according to the material, shape and size of the aluminum parts. Excessive cutting speed may cause heat concentration, causing the local temperature of the aluminum parts to rise too fast and cause deformation. Appropriately reducing the cutting speed, while reasonably controlling the feed rate and cutting depth, can reduce the generation of cutting force and heat, thereby reducing the risk of deformation.
Secondly, the selection of tools is also critical. Sharp and rigid tools should be selected to reduce cutting forces. The geometry of the tool should be optimized according to the processing requirements of aluminum parts. For example, using larger rake angles and back angles can reduce cutting forces and reduce cutting heat. At the same time, the coating of the tool can also improve the wear resistance and heat dissipation performance of the tool, which helps to reduce the deformation of aluminum parts.
Furthermore, the clamping method also has a great influence on the deformation of aluminum parts. A reasonable clamping method should be adopted to ensure that the aluminum parts are evenly stressed during processing. Avoid using single-point clamping or excessive clamping force to avoid local deformation of aluminum parts. Multi-point clamping, auxiliary support and other methods can be used to increase the stability of aluminum parts.
During the processing, some auxiliary measures can also be taken to reduce deformation. For example, coolant is used to cool aluminum parts, reduce processing temperature and reduce thermal deformation. For large aluminum parts, segmented processing can be used to avoid excessive stress caused by one-time processing.
In addition, the quality of the raw materials of aluminum parts will also affect the deformation during processing. Aluminum materials with stable quality and uniform internal structure should be selected, and materials with defects or large internal stress should be avoided.
Finally, heat treatment after processing can also eliminate the internal stress of aluminum parts and reduce deformation. According to the specific requirements of aluminum parts, appropriate heat treatment such as annealing and aging can be carried out.
In short, in the process of Aluminum Parts CNC Machine Tool Processing, by reasonably selecting processing parameters, tools, clamping methods, taking auxiliary measures, controlling raw material quality and performing heat treatment, deformation of aluminum parts can be effectively avoided, and processing accuracy and product quality can be improved.