Incident date: 2025-03-21
NAICS industry code: 336112

An employee was assessing an overhead stamping press door for alignment issues when the counterbalance moved and their left thumb was caught between the chain and the sprocket. The thumb was amputated. The door was locked out/tagged out at the time but gravitational pull was not controlled.

Hazard classification:
code_event: title: Caught or wedged between objects  nonrunning
code_source: title: Stamping machinery, presses  except printing
code_nature: title: Amputations involving bone loss
code_body: title: Thumb(s)
severity: high