OSHA Accident Investigation · Summary #14391098
CHEST,LATHE,SHEAR,WORK RULES,BOLT,STRUCK BY,FLYING OBJECT
Event description
Employee killed when struck by flying lathe chuck jaw
Investigation abstract
At 6:00 a.m. on March 16, 1987, Employee #1 and a setup machinist were setting u fting caused the chuck jaw bolts to shear off. The chuck jaw flew out and struck Employee #1 in the chest, killing him. p the Okuma lathe to cut a 4 in. by 12 in. pipe reducer to proper length and to make a weld level at each end. After the setup man had adjusted the lathe to the proper speed for this work (290 rpm), he put the speed lever in neutral and tol d Employee #1 to make the cuts. Instead of shifting the lever to low speed (290 rpm), Employee #1 shifted it to high speed (1,800 rpm). The setup machinist had turned and walked approximately 5 to 6 ft away when he heard the sound of the la the operating at high speed and told Employee #1 to stop the lathe. Employee #1 immediately shifted the lever from 1,800 rpm down to 290 rpm. This rapid downshi
Victim
-
#1 Fatality Age 38 M
- Nature of injury
- 21
- Part of body
- 5
- Event type
- 1
- Source
- 26
- Occupation code
- 999
- Human factor
- 14
- Environmental factor
- 5
- Task assigned
- 2
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.