Requirements for the Mechanical Structure of CNC Machine Tools
CNC (Computer Numerical Control) machine tools are the automation of machine tools that use numerical control to make tool motion and other instructions through processing programs. CNC machine tools have achieved great success in the current industrial production, which has brought about a qualitative leap in production efficiency. Although its operations are mainly completed by computers, the mechanical structure of CNC machine tools is also very important. In general, the following basic requirements need to be met in terms of mechanical structure of CNC machine tools.
First, the mechanical components of CNC machine tools must have sufficient strength and rigidity. Among them, the mechanical rigidity mainly refers to the machines ability to ensure its accuracy and reliably keep it in the process of load change. The higher the rigidity of the mechanical components, the better the rigidity of the entire machine tool. In terms of strength, since the mechanical components of CNC machine tools will be subjected to mechanical impacts and thermal loads during use, they must have higher strength requirements than other machine tools in order to reduce damage and develop the use life of the machine tools.
Second, the mechanical components of CNC machine tools must have better dimensional accuracy to improve its machine positioning accuracy. In addition, the motion parameters such as velocity and acceleration of the mechanical components of CNC machine tools must also be accurately calculated. Accurate motion and position of mechanical components must be ensured, and the deformation of the machine tool caused by the serious thermal effect should be minimized as far as possible.
Third, the selection of mechanical components of CNC machine tools should fully consider the needs of future users, and the flexible replacement of future components should be ensured. In addition, in order to ensure the interchangeability of mechanical components, the manufacturing accuracy of CNC machine tools must be strictly controlled.
In conclusion, in the mechanical structure design of CNC machine tools, sufficient strength and rigidity should be ensured, and the dimensional accuracy and motion parameters of the mechanical components should also be determined according to the requirements of the machine positions, so as to ensure that the machine tools can meet the measurement and control accuracy standard in the production process. In addition, the need for the flexible replacement of mechanical components in the future should be considered when selecting the components of the machine tool, and the exchange accuracy of the mechanical components should be strictly controlled to ensure the overall interchangeability.
