ISO 6336-1:2019 正齿轮和斜齿轮承载能力的计算 第1部分：基本原理、绪论和一般影响因素

标准编号：ISO 6336-1:2019

中文名称：正齿轮和斜齿轮承载能力的计算 第1部分：基本原理、绪论和一般影响因素

英文名称：Calculation of load capacity of spur and helical gears — Part 1: Basic principles, introduction and general influence factors

发布日期：2019-11

标准范围

本文介绍了正齿轮和斜齿轮承载能力计算的基本原理、介绍和一般影响因素。与ISO 6336系列中的其他文件一起，它提供了一种可以比较不同齿轮设计的方法。其目的不是确保组装的驱动齿轮系统的性能。它不适用于一般工程公众。相反，它旨在供经验丰富的齿轮设计师使用，他们能够根据类似设计的知识和对所讨论项目的影响的认识，为这些公式中的系数选择合理的值。ISO 6336系列中的公式旨在建立一种统一可接受的方法，用于计算渐开线直齿或斜齿圆柱齿轮的承载能力。ISO 6336系列包括基于每种方法引用的测试和理论研究的程序。这些方法在以下方面得到了验证:-正常工作压力角从15°到25°；-参考螺旋角高达30°；-横向接触比从1.0到2.5。如果超出此范围，则需要根据经验确认计算结果。当存在以下任何条件时，ISO 6336系列中的公式不适用:-横向接触比小于1.0的齿轮；-齿尖和根尖之间的干涉；-牙齿是尖的；-反冲为零。ISO 6336系列中的额定值公式不适用于其他类型的轮齿劣化，如塑性变形、壳体压碎和磨损，也不适用于可能出现不可预测的齿廓破坏的振动条件。ISO 6336系列不适用于通过锻造或烧结完成的齿。这不适用于接触不良的齿轮。这些方法中提出的影响因素形成了一种预测损害风险的方法，该方法与工业和实验经验相一致。它们可能在科学上并不完全准确。因此，除非特别引用，否则ISO 6336系列一部分的计算方法不适用于ISO 6336系列的另一部分。ISO 6336系列中的程序提供了关于不同失效模式（如点蚀、齿根断裂、齿侧断裂、擦伤和微点蚀）的承载能力计算公式。在节线速度低于1m/s时，齿轮承载能力通常受到磨料磨损的限制（有关此类计算的更多信息，请参阅参考文献[23]和[22]）。

This document presents the basic principles of, an introduction to, and the general influence factors for the calculation of the load capacity of spur and helical gears. Together with the other documents in the ISO 6336 series, it provides a method by which different gear designs can be compared. It is not intended to assure the performance of assembled drive gear systems. It is not 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 the knowledge of similar designs and the awareness of the effects of the items discussed.The formulae in the ISO 6336 series are intended to establish a uniformly acceptable method for calculating the load capacity of cylindrical gears with straight or helical involute teeth.The ISO 6336 series includes procedures based on testing and theoretical studies as referenced by each method. The methods are validated for:— normal working pressure angle from 15° to 25°;— reference helix angle up to 30°;— transverse contact ratio from 1,0 to 2,5.If this scope is exceeded, the calculated results will need to be confirmed by experience.The formulae in the ISO 6336 series are not applicable when any of the following conditions exist:— gears with transverse contact ratios less than 1,0;— interference between tooth tips and root fillets;— teeth are pointed;— backlash is zero.The rating formulae in the ISO 6336 series are not applicable to other types of gear tooth deterioration such as plastic deformation, case crushing and wear, and are not applicable under vibratory conditions where there can be an unpredictable profile breakdown. The ISO 6336 series does not apply to teeth finished by forging or sintering. It is not applicable to gears which have a poor contact pattern.The influence factors presented in these methods form a method to predict the risk of damage that aligns with industry and experimental experience. It is possible that they are not entirely scientifically exact. Therefore, the calculation methods from one part of the ISO 6336 series is not applicable in another part of the ISO 6336 series unless specifically referenced.The procedures in the ISO 6336 series provide rating formulae for the calculation of load capacity with regard to different failure modes such as pitting, tooth root breakage, tooth flank fracture, scuffing and micropitting. At pitch line velocities below 1 m/s the gear load capacity is often limited by abrasive wear (see other literature such as References [23] and [22] for further information on such calculation).

标准预览图