Research on Thermal Compensation of x-Axis Partition of Drilling and Tapping Center Machine Tools

As one of the most commonly used metal cutting machines in modern manufacturing industry, the drilling and tapping center machine tool has an irreplaceable position in modern manufacturing industry due to its high operating speed and fast tool changing speed. However, in the process of machining, the thermal deformation of the x-axis lead screw is caused due to the changes of the ambient end temperature, the wire mother end temperature and the bearing temperature of the motor seat end, resulting in the error of the workpiece. In this paper, through the above three kinds of thermal deformation simulation and experimental data measurement, and then through the analysis and modeling of the experimental data by MATLAB, a scheme of real-time compensation for the thermal error of the x-axis lead screw is proposed. After the compensation, the products produced by an enterprise are verified. The verification results show that the accuracy after the compensation can be improved by 56.25% compared with that before the compensation.