This standard specifies the geometric accuracy, working accuracy, tolerances and inspection methods of high-speed steel ball automatic cold heading machines with separate punch dies and slides. This standard applies to high-speed steel ball automatic cold heading machines.
JB/T 6583-1993 history
2014JB/T 6581.3-2014 High speed ball automatic header.Part 3: Accuracy
1993JB/T 6583-1993 Automatic cold heaters for high speed steel ball Precision
JB/T 6583-1993 Automatic cold heaters for high speed steel ball Precision was changed to JB/T 6581.3-2014 High speed ball automatic header.Part 3: Accuracy.