The definitions of life rating and dynamic load rating are presented based on standard ISO 281-1977 for roller bearings with the construction features of the linear rolling guide duly considered.
关于直线滚动导轨额定动载荷的计算，目前在国际ISO标准中尚无计算公式及有关标准。
The definition of rated static torque for linear rolling guide is given according to the criterion for maximum contact stress.
基于最大接触应力的判据，提出滚动直线导轨额定静力矩的基本定义，并计算了几种产品的额定静力矩。
Based on reliability theory, the calculation formula of specified life of linear rolling guide system is deduced. The result is of important engineering value.
根据可靠性原理，导出了滚动直线导轨系统额定寿命的计算方法，具有重要的工程应用价值。
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