利用本发明所涉及的低热传导主轴，可保持转子温度的稳定，使检测过程 更符合等温试验的条件。
The low-heat conduction main shaft can keep the stability of the temperature of the rotor and lead the detection process to meet the condition of isothermal test better.
本文使用一种新的称之为准稳态热传导的有限元方法，提出了比较精确地计算闪温和本体温度的方法，并通过试验验证了计算结果。
A new FEM, the quasi-stable state heat conduction method, is thus developed. It offers a comparatively high accuracy to calculation, with the results checked up by experiment.
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