This part of GB/T 5290 specifies the parameters of the double-column EDM machine. This section applies to the newly designed double-column electric discharge forming machine.
GB/T 5290.2-2003 history
2003GB/T 5290.2-2003 Die sinking electro-discharge machines(EDM)——Parameters——Part 2:Two column machines (Slide-head type and cross slide table type)