This part of JB/T 7415 specifies the types and parameters of fixed-headstock automatic lathes. This section applies to automatic lathes with fixed spindle boxes (hereinafter referred to as machine tools) with a maximum bar diameter of up to 40 mm.
JB/T 7415.1-2015 history
2015JB/T 7415.1-2015 Fixed headstock automatic lathe.Part 1: Types and parameters