ISO 1081:2013以英语和法语规定了与V带传动、V带、六角带、连接V带和相应的V槽皮带轮、V带肋皮带传动、V带肋皮带和V带肋皮带轮有关的术语和定义，以及相应的符号。无论描述皮带轮的系统如何，通用定义均有效。滑轮槽的尺寸可根据基准宽度或有效宽度确定。因此，开发了两个定义和描述皮带轮和皮带尺寸的系统。这两个系统相互独立。

ISO 1081:2013 specifies the terms and definitions, in English and French, relating to V-belt drives, V-belts, hexagonal belts, joined V-belts and the corresponding V-grooved pulleys, V-ribbed belt drives, V-ribbed belts and V-ribbed pulleys, as well as the corresponding symbols.The general definitions are valid irrespective of the system describing the pulleys. The dimensions of pulley grooves can be defined either on the basis of the datum width or on the basis of the effective width. As a result, two systems for the definition and description of the dimensions of pulleys and belts have been developed. The two systems are independent of each other.