This standard specifies the accuracy, technical requirements, inspection and inspection rules of six-sided hydraulic presses made of super-hard materials. This standard applies to super-hard material six-sided hydraulic presses that use mineral oil as the transmission medium and are driven by a pump alone (or with a supercharger).
JB/T 8779-1998 history
2014JB/T 8779-2014 Hinge hydraulic press for superhard material.Technical requirements