This Standard applies to hydraulic and mechanical power presses commonly referred to by the metalworking industry as GENERAL PURPOSE, SINGLE ACTION, STRAIGHT SIDE TYPE POWER PRESSES that, by means of dies or tooling attached to the slide and bolster, are used to shear, punch, form or assemble metal or other materials.
ANSI/ASME B5.61-2003 history
2003ANSI/ASME B5.61-2003 Power Presses - General Purpose Single Action Straight Side Type