GB/T 23569-2009 in English

《GB/T 23569-2009重型卧式车床检验条件 精度检验》由TC22（全国金属切削机床标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了一般用途和普通精度的重型卧式车床的几何精度、工作精度、数控轴线定位精度和重复定位精度检验及相应的公差。
本标准适用于床身上最大回转直径1000mm~5000mm,顶尖间最大工件质量大于或等于10t的普通和数控重型卧式车床。

Scope

This standard specifies the geometric accuracy, working accuracy, numerical control axis positioning accuracy and repeat positioning accuracy inspection and corresponding tolerances of heavy-duty horizontal lathes for general purposes and ordinary precision. This standard applies to ordinary and CNC heavy-duty horizontal lathes with a maximum turning diameter of 1000 mm to 5000 mm on the bed and a maximum workpiece mass between centers greater than or equal to 10 tons.