同步皮带传动.汽车皮带和皮带轮

[中文适用范围]： 本文件规定了用于汽车应用（如发动机凸轮轴驱动）的同步无端带及其相关皮带轮的特性。 特性包括： - 带齿间距； - 带名义齿尺寸； - 带宽度及宽度公差； - 带节距长度及节距长度公差； - 皮带轮槽尺寸及公差； - 皮带轮公差及质量规范。 还包括测量带节距长度和侧向摆动的试验方法。 [外文原描述]： This document specifies the characteristics of synchronous endless belts and their related pulleys for use in automotive applications such as engine camshaft drives. The characteristics include: — belt pitch spacing; — belt nominal tooth dimensions; — belt width and width tolerance; — belt pitch length and pitch length tolerance; — pulley groove dimensions and tolerances; — pulley tolerances and quality specifications. Test methods for measuring belt pitch length and lateral runout are also included.