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Preventing Amputations

Preventing Amputations. Session Objectives. You will be able to: Identify the amputation hazards of different types of machinery Understand OSHA’s machine safety requirements Recognize different types of guards and safety devices Take proper precautions to prevent injuries.

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Preventing Amputations

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  1. Preventing Amputations

  2. Session Objectives • You will be able to: • Identify the amputation hazards of different types of machinery • Understand OSHA’s machine safety requirements • Recognize different types of guards and safety devices • Take proper precautions to prevent injuries

  3. What You Need to Know • Types of machines with amputation hazards • Specific machine hazards • Guarding requirements • Safe work practices • Maintenance and repair rules • Inspection procedures

  4. OSHA Requirements • OSHA standards • National Emphasis Program on Amputations • Machine safety stressed with citations from OSHA for noncompliance

  5. Four Primary Types of Machines • Power presses and saws • Shears • Slicers

  6. Other Machines • Bending, rolling, shaping machinery • Boring, drilling, milling, planing machinery • Conveyors • Food processing and packaging machinery • Grinding and polishing machinery • Printing machinery

  7. Point of Operation • Most dangerous area where work is done on the material • Cutting • Punching • Shearing • Bending

  8. Mechanical Motion • Reciprocating • Transverse • Rotation • Nip points

  9. Guarding Requirements • Prevent contact • Be secured to machinery • Protect from falling objects • Create no additional hazards • Allow for safe lubrication • Cause no interference with production

  10. Guarding Types • Fixed guards • Interlocked guards • Adjustable guards • Self-adjusting guards Image Credit: OSHA

  11. Safety Devices • Light curtains • Two-hand controls • Pressure-sensitive devices • Restraints and pull-back devices

  12. Distance Guarding • Barrier guards • Automatic feeding and ejection systems • Manual feed systems • Mechanical ejectors

  13. Amputations: General Hazards and Guarding • Do you understand the information presented in the previous slides?

  14. Saws—Hazards • Table and radial arm saws • Handheld, chop, miter, and band saws • Point of operation— blade • Power transmitting unit—nip points

  15. Saws—Guards • Self-adjusting guards for the blade • Push sticks or other tools • Alternate fixed blade guards • Spreaders or antikickback fingers • Additional fixed guards for moving parts

  16. Shears—Hazards • Mechanically driven ram moves the blade • Squaring shears cut sheet metal • Alligator shears cut metal stock • Guillotine shears cut paper, plastic • Primary hazard is point of operation • Other areas hazardous also

  17. Shears—Guards • Feed/eject systems • Feeding tools • Interlocked guards • Presence-sensing devices • Two-hand controls • Restraints or pull-back devices

  18. Slicers—Hazards • Meat and food slicers are most common • Most amputations occur in the restaurant and grocery industry • Primary hazard is point of operation • Operator pushes food through the blade

  19. Slicers—Guards • Blade is typically unguarded • Adjust thickness to zero when slicer not in use • Use a guiding tool • Unplug when cleaning or clearing jams

  20. Power Presses—Hazards • Punch, shear, and form metal and other materials • Point of operation— materials manually fed • Reciprocating motion of ram • Power transmission units

  21. Power Presses—Guards • Feed/eject systems • Interlocked guards • Light curtains • Two-hand controls • Pressure-sensitive devices • Fixed guards— reciprocating motion and power transmission

  22. Amputations: Specific Hazards and Guarding • Do you understand the information presented in the previous slides?

  23. Safe Work Practices to Prevent Amputations • You should be able to: • Identify machine hazards • Understand the function of machine guards and safety devices • Identify personnel who are authorized to remove guards

  24. Safe Work Practices to Prevent Amputations (cont.) • You should also: • Know how to report damaged, missing, or inadequate guards • Understand risks of circumventing guards • Know how to inspect machines and guards before use • Know and follow machine-related safety rules

  25. Maintenance and Repair • Only remove guards for maintenance or repair • Lock out machine before removing guard • Lock out before clearing a machine jam • De-energize before changing dies or tools Image Credit: WA State Department of Labor and Industries

  26. Machine Hazard Assessment • Initial machine assessment • Annual guarding assessment • Post-injury evaluation • Daily machine inspections

  27. Key Points to Remember • Many machines in the workplace have hazards that can cause amputations • Keep hands away from the point of operation • Guard mechanical motion • Inspect all machines before use • Never use a machine without proper guarding • Follow safe work practices

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