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介绍了测力轴承的原理和结构，以及用它构成的磁片切片机刀具工况在线监测系统。这种系统能根据切削力及频谱能量的变化，有效地在线监测刀具工况。
The paper introduces the principle and structure of dynamometer bearing and the on-line monitoring system of the cutter working condition of the magnetic slicer with it. This system can effectively monitor the tooling conditions online based on changes in cutting force and spectrum energy.