This standard specifies the requirements for the geometric accuracy and working accuracy of single-axis automatic lathes and their inspection methods. This standard applies to single-axis automatic and semi-automatic lathes that use spring chucks to clamp bars with a maximum diameter of 63mm and a maximum turning diameter of disc-type parts of 100mm. The machine tools to which this standard applies can be equipped with both rotary tool holders and single-axis tailstocks, double-axis tailstocks, and three-axis tailstocks for drilling or tapping threading tool holders, longitudinal tool holders, and transverse tool holders. This standard does not apply to single-axis longitudinal-cutting automatic lathes and single-axis transverse-cutting automatic lathes. GB/T 14535-1993 Single-axis automatic lathe accuracy GB/T14535-1993 Standard download decompression password: www.bzxz.net