OSHA Accident Investigation · Summary #14371850
ROBOT,STOP SWITCH,INADEQUATE MAINT,WORK RULES,LOCKOUT,CRUSHED,UNGUARDED,MACHINE--MISC
Event description
Employee crushed and killed by industrial robot
Investigation abstract
Employee #1 was working with an industrial robot that takes parts from a conveyo ently Employee #1 pushed the parts against the locator switches that automatical ly activated the robot and the robot inadvertently crushed Employee #1 against t he drill press. Employee #1 died. The original interlocked gate guards had been damaged over time, removed, and not replaced. r, feeds them into a machining operation; takes the parts and inserts them into a multi-spindle drill press; and then puts them on a spray painting turntable fo r rust-proofing. Employee #1 had apparently replaced a drill bit and returned to production but, because the parts didn't properly contact locator switches on t he drill, the robot stopped. (This was a common problem.) Employee #1 apparently then reentered the robot area without locking out or hitting the "system stop" button or pushing the "hold" button. The "system stop" button can be hit earlier in the cycle before hitting "hold," and was found to override the "hold." Appar
Victim
-
#1 Fatality Age 43 M
- Nature of injury
- 21
- Part of body
- 5
- Event type
- 2
- Source
- 26
- Occupation code
- 999
- Human factor
- 9
- Environmental factor
- 1
- 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.