With the continuous development of the manufacturing industry, CNC machine tools have become a very important production tool. They can automatically complete the processing process, greatly improving production efficiency and reducing production costs. However, to achieve ideal production results, we need to select appropriate workpieces.

First, we need to consider the material of the workpiece. Basically, CNC machine tools are suitable for processing non-metallic materials such as steel, iron, copper, aluminum, zinc, and various types of machined alloy materials. Therefore, when selecting a workpiece, we need to ensure that it meets these requirements.

Secondly, we need to consider the shape of the workpiece. CNC machine tools are mainly suitable for processing workpieces with regular shapes, such as cylinders, cones, spheres, etc. If the workpiece has a complex shape and too many edges, it will pose a greater challenge to the processing of CNC machine tools. Therefore, when selecting a workpiece, we need to consider whether its shape is suitable for CNC machine tool processing.

Third, we need to consider the accuracy requirements of the workpiece. CNC machine tools have the advantages of high precision and high stability, and are suitable for processing workpieces with high precision requirements, such as aerospace and automobile manufacturing fields. However, if the workpiece precision requirements are not high, the processing cost of CNC machine tools is high and it is not suitable for mass production. At this time, we need to consider other processing methods.

Finally, we need to consider the size of the workpiece. CNC machine tools have a large processing range, but if the workpiece is too large and heavy, the processing cost will be high and the load on the CNC machine tool will be relatively large. Therefore, when selecting a workpiece, we need to consider whether its size is suitable for CNC machine tool processing.

In general, when choosing CNC machine tools to process workpieces, we need to comprehensively consider factors such as material, shape, accuracy, size, etc., in order to obtain the best production results.