The ANSI B11 series of American National Standards and Technical Reports specify requirements for both the manufacturers (suppliers) and users of the machines. The series includes:
ANSI B11.0 Safety of Machinery General Requirements-Risk Assessment
ANSI B11.1 Mechanical Power Presses
ANSI B11.2 Hydraulic Power Presses
ANSI B11.3 Power Press Brakes
ANSI B11.4 Shears
ANSI B11.5 Ironworkers
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