Chinese Standard: GB/T 21947-2008

Numerically milling machines for special screws— Testing of the accuracy

全国金属切削机床标准化技术委员会(SAC/TC 22)

本标准规定了数控异型螺杆铣床（以下简称“机床”）的几何精度和工作精度检验的要求及方法。
本标准适用于最大铣削直径至400 mm的数控异型螺杆铣床。

This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address