The primary objective of this standard is to eliminate, control or reduce hazards to individuals associated with hydraulic / pneumatic power presses by establishing safety requirements for the design, construction, operation and maintenance of these machines.

Table of Contents

1 SCOPE 
     1.1 General 
     1.2 Exclusions 
2 NORMATIVE REFERENCES 
     2.1 Informative references 
3 DEFINITIONS 
4 RESPONSIBILITY 
     4.1 Supplier responsibilities 
     4.2 User responsibilities 
     4.3 Personnel responsibilities 
5 RISK ASSESSMENT PROCESS 
6 DESIGN, CONSTRUCTION, RECONSTRUCTION, AND MODIFICATION 
     6.1 General requirements for all press brakes
          6.1.1 Hazards associated with broken components 
          6.1.2 Tool fastening provisions 
          6.1.3 Opening of tool space 
          6.1.4 Press brake capacity data plate
          6.1.5 Pressure rating of components 
          6.1.6 Stored and residual energy
          6.1.7 Performance of safety–related function(s) 
          6.1.8 Stopping performance monitor 
          6.1.9 Presence-Sensing Device Initiation (PSDI) 
     6.2 Electrical controls 
          6.2.1 Disconnect means 
          6.2.2 General requirements for stop functions, circuits and actuators 
          6.2.3 Motor start actuator
          6.2.4 Motor starter 
          6.2.5 Top stop control 
          6.2.6 Return (stop-return) control 
          6.2.7 Voltage 
          6.2.8 Grounds 
          6.2.9 External and line interferences 
     6.3 Requirements for mechanical press brakes 
          6.3.1 Ram counterbalance systems 
          6.3.2 Clutches and brakes 
          6.3.3 Cycle control of mechanically actuated or air operated press brakes 
          6.3.4 Mode control 
          6.3.5 Actuating means 
          6.3.6 Motorized ram adjustment 
     6.4 Requirements for hydraulic press brakes 
          6.4.1 Return (stop-return) control 
          6.4.2 Ram counterbalance system 
          6.4.3 Foot pedal (mechanical
          6.4.4 Unintended actuation by foot treadle 
          6.4.5 Mode control for hydraulic press brakes 
          6.4.6 Actuating means 
          6.4.7 Hydraulic components and circuits 
     6.5 Requirements for pneumatic press brakes 
          6.5.1 Return (stop-return) control 
          6.5.2 Ram counterbalance systems 
          6.5.3 Air-controlling equipment 
          6.5.4 Actuating means 
          6.5.5 Pneumatic components and circuits 
7 LAYOUT, INSTALLATION, TESTING AND START-UP 
     7.1 General 
          7.1.1 Lockout/Tagout 
          7.1.2 Lighting 
     7.2 Layout 
          7.2.1 Production operations 
          7.2.2 Set-up and maintenance 
     7.3 Installation 
          7.3.1 Foundation 
          7.3.2 Lifting of machine components 
          7.3.3 Anchoring 
          7.3.4 Safety considerations 
     7.4 Testing and start-up for press brakes 
          7.4.1 Procedures 
          7.4.2 Assigned personnel 
          7.4.3 Safeguarding 
8 SAFEGUARDING
     8.1 Hazards associated with press brake production systems other than point-of operation hazards 
     8.2 Hazards associated with falling or broken components 
     8.3 Performance of the safety–related function(s) 
     8.4 Perimeter safeguarding 
     8.5 Hazards associated with point of operation 
          8.5.1 Safeguarding provisions 
     8.6 Guards: fixed, adjustable, and interlocked 
          8.6.1 Design and construction 
          8.6.2 Installation and operation 
     8.7 Point of operation safeguarding devices 
          8.7.1 Movable barrier devices 
          8.7.2 Presence-sensing safeguarding device 
          8.7.3 Pull-back safeguarding device 
          8.7.4 Restraint safeguarding device (holdout) 
          8.7.5 Two-hand control safeguarding device 
          8.7.6 Single control safeguarding device 
          8.7.7 Close proximity point of operation AOPD safeguarding device 
     8.8 Safe speed safeguarding 
     8.9 Safe distance safeguarding 
     8.10 Auxiliary safety aids 
9 SET-UP, OPERATION AND MAINTENANCE 
     9.1 General 
     9.2 Machine set-up procedures 
          9.2.1 Die set-up procedures 
     9.3 Operation 
          9.3.1 Observations 
     9.4 Maintenance 
          9.4.1 General 
          9.4.2 Maintenance inspections 
     9.5 Supervision 
     9.6 Control of hazardous energy 
     9.7 Initiation of normal operation
     9.8 Safety signs
     9.9 Personal protective equipment (PPE) 
10 TRAINING 
     10.1 General 
     10.2 Training elements 
          10.2.1 Training programs 
     10.3 Operator training
     10.4 Maintenance personnel training
     10.5 Supervisor training 
     10.6 Re-training 
11 ADDITIONAL REQUIREMENTS FOR PSDI OPERATION
     11.1 General 
     11.2 Pass-through hazards
     11.3 Multiple operators 
     11.4 Presence-sensing device used for PSDI 
     11.5 Supplemental guards or devices 
     11.6 Hand tools
     11.7 Inspection and maintenance 
     11.8 Operator Training
ANNEX A – FIGURES 
ANNEX B – TASK / HAZARD IDENTIFICATION 
ANNEX C – PERFORMANCE OF THE SAFETY-RELATED FUNCTION(S)
ANNEX D – EXAMPLE MANUAL TEST PROCEDURE FOR CLOSE PROXIMITY
POINT OF OPERATION AOPD SAFEGUARDING DEVICES
ANNEX E – SAFEGUARDING FLOWCHART 
ANNEX F – CHECKLIST 
ANNEX G – EXAMPLE DIE SETTING PROCEDURE 
ANNEX H – AUTOMATIC BACKGAGE HAZARDS 
ANNEX I – GENERAL GUIDELINES FOR OPERATOR TRAINING 

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