Chinese Standard: GB/T 31397-2015

Heavy duty deephole drilling and boring machines—Specifications

全国金属切削机床标准化技术委员会(SAC/TC 22)

本标准规定了重型深孔钻镗床制造和验收的要求。
本标准适用于最大镗孔直径250 mm～1 000 mm、最大镗孔深度为3 000 mm～20 000 mm的工件主轴箱固定型和移动型一般用途的重型深孔钻镗床。

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