换句话说，基本额定动载荷提供了一个基于丝杠类型和尺寸来计算寿命的基础。

In other words, the Basic Dynamic Load Rating provides a basis of Life Calculations based on the size and type of ball screws.

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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。

Based on reliability theory, the calculation formula of specified life of linear rolling guide system is deduced. The result is of important engineering value.

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