This part of JB/T 12293 specifies the geometric accuracy, tolerances and inspection methods of mechanical powder molding presses. This section applies to general-purpose mechanical powder molding presses (hereinafter referred to as presses).
JB/T 12293.2-2015 Referenced Document
GB/T 10923-2009 Test code of accuracy for metalforming machine
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values