This part of JB/T 12766 specifies the accuracy and inspection methods of battery zinc cylinder extruders. This section applies to battery zinc cylinder extruders (hereinafter referred to as extruders) that produce battery zinc cylinders.
JB/T 12766.2-2015 Referenced Document
GB/T 10923 Test code of accuracy for metalforming machine
JB/T 12766.2-2015 history
2015JB/T 12766.2-2015 Extrusion machine for battery zinc tube.Part 2: Testing of accuracy