OSHA Accident Investigation · Summary #14561898
FIBRE MATERIALS CORP
PLAINVIEW, NY—
Event description
Employee's arm amputated in power press
Investigation abstract
Employee #1 was operating a Rozelle power press with a part revolution air clutc the elbow and wrist. Employee #1 had probably depressed the STOP button then pu t his hand in the point of operation, thinking the machine was stopped. He then probably accidentally depressed the trip button and the ram came down while the flywheel was coasting. The flywheel then jammed on his arm and came to a stop. T he trip button clutch control was separate from the motor stop button, and the t rip button remained energized after the motor was deactivated. h, a steel ruled die, and an interlocked gate guard. It normally operated on aut omatic, but could be modified to work as a full-revolution press for special job s. The press had a two-hand trip, but it had been rigged to operate by depressin g the trip button with the left hand while feeding in plastic strip material fro m left to right with the right hand. The press's gate guard was open, its interl ock had been bypassed, its die was open and unguarded, and it had no single stro ke mechanism or anti-repeat feature. While Employee #1's hand was in the point o f operation, there was an unintended stroke that amputated his right arm between
Victim
-
#1 Hospitalized Age 22 M
- Nature of injury
- 1
- Part of body
- 17
- Event type
- 2
- Source
- 26
- Occupation code
- 999
- Human factor
- 9
- Environmental factor
- 4
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.