OSHA Accident Investigation · Summary #14197297
OLD LINE PLASTICS, INC.
FOREST HILL, MD·
Event description
EMPLOYEE'S LEFT THUMB CRUSHED IN INJECTION MOLDING MACHINE
Investigation abstract
THE EMPLOYER IS ENGAGED IN PRODUCING CUSTOM INJECTION MOLDINGS. EMPLOYEE #1 WAS LY FLEW BACK TO THE RETURN POSITION, PINNING THE EMPLOYEE'S LEFT THUMB BETWEEN T HE CRUCIFORM AND EJECTION BOX. THE CUSTOM EJECTION MOLDING MACHINE WAS A STOKES MODEL, 175 TON, HORIZONTAL INJECTION MOLDING MACHINE, SERIAL NUMBER M-22247, LOT # SM-21847. THE EMPLOYEE HAD BEEN TRAINED FOR THREE WEEKS AND HAD ON-THE-JOB TR AINING FOR SIX MONTHS. TRYING TO UNSCREW TWO 3/8 INCH DIAMETER BOLTS FROM TWO 5/8 INCH DIAMETER PINS LO CATED ON THE BACK OF A KNOCKOUT PLATE IN THE CRUCIFORM AND EJECTION BOX AREA. TH E OPENING CREATED WHEN THE EJECTION BOX WAS FULLY FORWARD MEASURED WAS 4 1/4 INC HES. THE CRUCIFORM WAS 2 1/2 BY 6 INCHES. EMPLOYEE #1 REMOVED THE TOP BOLT AND B EGAN REMOVING THE BOTTOM BOLT, USING VISE GRIPS. HE DIDN'T USE AN ALLEN WRENCH B ECAUSE THE ANGLE OF ACCESS WAS AWKWARD, AND HE COULDN'T APPLY ENOUGH TORQUE. HE USED HIS LEFT HAND TO LOOSEN THE BOLT FURTHER, BUT IT TIGHTENED UP ON HIM AGAIN. HE AGAIN USED THE VISE GRIPS TO TURN THE BOLT A HALF TURN. THE CRUCIFORM SUDDEN
Victim
-
#1 Hospitalized Age 21 M
- Nature of injury
- 21
- Part of body
- 12
- Event type
- 2
- Source
- 26
- Occupation code
- 719
- Human factor
- 14
- Environmental factor
- 18
- 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.