本国际标准中规定的公式旨在建立一种统一可接受的方法 直齿或螺旋齿工业齿轮的抗点蚀和弯曲强度能力的计算。 本国际标准中的额定值公式不适用于其他类型的轮齿劣化，如 如塑性屈服、微点蚀、擦伤、外壳破碎、焊接和磨损，不适用于振动 可能存在不可预测的配置文件故障的情况。弯曲强度公式适用 适用于齿圆角处的断裂，但不适用于齿工作轮廓表面上的断裂， 齿轮轮辋，或齿轮毛坯通过腹板和轮毂的故障。本国际标准不适用于牙齿 通过锻造或烧结完成。它不适用于接触模式不良的齿轮。 该国际标准提供了一种比较不同齿轮设计的方法。这不是故意的 确保装配驱动齿轮系统的性能。它也不打算供一般人使用 工程公共。相反，它旨在供有经验的齿轮设计师使用，他们能够选择 基于对类似设计的了解和对 所讨论项目的影响。 注意事项-提醒用户，本国际标准的计算结果应为 经经验证实。

The formulae specified in this International Standard are intended to establish a uniformly acceptable method for calculating the pitting resistance and bending strength capacity of industrial gears with spur or helical teeth. The rating formulae in this International Standard are not applicable to other types of gear tooth deterioration such as plastic yielding, micropitting, scuffing, case crushing, welding and wear, and are not applicable under vibratory conditions where there may be an unpredictable profile breakdown. The bending strength formulae are applicable to fractures at the tooth fillet, but are not applicable to fractures on the tooth working profile surfaces, failure of the gear rim, or failures of the gear blank through web and hub. This International Standard does not apply to teeth finished by forging or sintering. It is not applicable to gears which have a poor contact pattern. This International Standard provides a method by which different gear designs can be compared. It is not intended to assure the performance of assembled drive gear systems. Neither is it intended for use by the general engineering public. Instead, it is intended for use by the experienced gear designer who is capable of selecting reasonable values for the factors in these formulae based on knowledge of similar designs and awareness of the effects of the items discussed. CAUTION — The user is cautioned that the calculated results of this International Standard should be confirmed by experience.