This part of JB/T 12088 specifies the geometric accuracy and working accuracy of pipe end forming machines. This section applies to pipe end forming machines.
JB/T 12088.3-2014 Referenced Document
GB/T 10923 Test code of accuracy for metalforming machine
JB/T 12088.3-2014 history
2014JB/T 12088.3-2014 Pipe end former.Part 3: Testing of the accuracy