Thermal error caused by the thermal deformation is one of the most significant factors
influencing the accuracy of the machine tool. Among all the heat sources which lead to the …

In order to avoid the degeneration of high-speed spindle's machining accuracy in actual
machining caused by the uneven distribution of temperature field at the design stage, a …

Transient analysis by thermal network method for complex structures like the spindle-
bearing system is essential but insufficient. In this paper, the network approach was …

The performance improvement of the computer numerically controlled (CNC) vertical milling
machine is constrained by limited understanding of the dynamic behaviors of the spindle …

This paper discusses thermal effects on bearing stiffness, and consequently, the natural
frequencies of a high-speed spindle system. Heat is generated due to friction torque at the …

In this paper, based on the multi-degree-of-freedom (M-DOF) finite element and 2-
dimensional transient thermal network methods, a novel thermo-mechanical coupling model …

This paper presents a unified method to predict nonlinear thermal characteristics of a high-
speed spindle bearing subjected to a preload. Based on a quasi-static model and finite …

The prediction of thermo-mechanical behavior of the spindle is essential for machining
precision. Particularly, the characteristics of high-speed spindles depend on their thermal …

To improve the simulation accuracy of the traditional transient thermal characteristics
analysis model (TCAM) of the ball screw feed drive system (BSFDS), the optimization …

Spindle thermal error is a major factor affecting the machining accuracy of machine tools.
The time-consuming experiments required to model the thermal error of each machine tool …