JB/T 5200-2012 in English

本标准规定了闭式四点压力机的精度、允差及其检验方法。
本标准适用于一般用途的闭式四点单动机械压力机，如金属材料的落料、弯曲、成型以及拉伸加工等工序中使用的曲轴式及偏心式压力机。
本标准不适用于锻造用压力机、多连杆压力机以及特殊结构的专用压力机（如粉末成型压力机）。

Scope

This standard specifies the accuracy, tolerances and inspection methods of closed four-point presses. This standard applies to general-purpose closed four-point single-action mechanical presses, such as crankshaft and eccentric presses (hereinafter referred to as presses) used in processes such as blanking, bending, forming and stretching of metal materials. This standard does not apply to forging presses, multi-link presses and special presses with special structures (such as powder forming presses).