Machine Guarding eTool
Presses » Pneumatic Presses
A pneumatic press derives its primary mechanical action (such as shearing, punching, bending, forming, drawing, extruding, assembly, or other action) from a pressure source by means of compressed air. Such presses are used in mechanized binderies for a variety of purposes, and, although they cannot supply the extreme pressures available with the hydraulic press, they do offer the advantages of speed of operation and cleanliness.
A fully pneumatic power press differs from a mechanical or hydraulic press, which may use pneumatic systems to only activate a brake/clutch, slide counterbalance or other systems but that uses mechanical means or hydraulic fluid to power the ram.
The operator is responsible for feeding or placing the stock on the bottom die, seeing that it is properly positioned, activating the press cycle with a pressure control switch, and removing the completed part.
As with other presses, the main hazard areas are located in or around the point of operation.
Material can be sharp, slippery, or difficult to grasp.
General machine guards (barrier guards, two-hand tripping devices, electronic safety devices, etc.) must be provided to protect the operator and other employees in the machine area from hazards created by point of operation, nip points etc. [29 CFR 1910.212(a)(1)]
Use special hand tools to keep hands away from point of operation. [29 CFR 1910.212(a)(3)(iii)]