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Inspection Detail
Inspection: 309303931 - Ceradyne Inc
Inspection Information - Office: Santa Ana District Office
Site Address:
Ceradyne Inc
17466 Daimler St
Irvine, CA 92614
Mailing Address:
3169 Red Hill Ave, Costa Mesa, CA 92626
Union Status: NonUnion
SIC:3299
NAICS: 327999/All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
Inspection Type: Accident
Scope: Partial
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 02/27/2009
Planning Guide: Safety-Manufacturing
Emphasis:
Case Closed: 02/17/2011
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Accident | 102584695 |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 1 | 1 | 2 | |||
| Current Violations | 1 | 1 | 2 | |||
| Initial Penalty | $18,000 | $0 | $0 | $560 | $0 | $18,560 |
| Current Penalty | $18,000 | $0 | $0 | $0 | $0 | $18,000 |
| FTA Penalty | $0 | $0 | $0 | $0 | $0 | $0 |
| # | Citation ID | Citaton Type | Standard Cited | Issuance Date | Abatement Due Date | Current Penalty | Initial Penalty | FTA Penalty | Contest | Latest Event | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 01001 | Other | 3580 A | 02/27/2009 | 03/16/2009 | $0 | $560 | $0 | 03/25/2009 | F - Formal Settlement | |
| 2. | 02001 | Serious | 3577 A | 02/27/2009 | 03/16/2009 | $18,000 | $18,000 | $0 | 03/25/2009 | F - Formal Settlement |
Investigation Summary
On November 22, 2008, Employee #1 was an equipment operator at Ceradyne Inc., a manufacturer of advanced technical ceramic products. A coworker had worked the day shift and set up a CNC ID/OD Grinder, Type 1632 Gold, Serial No. 837, manufactured by Weldon Machine Tools, in order to grind ceramic rings. The set up entailed installing a 7 in. aluminum grinding wheel and downloading a program from a laptop computer to the CNC Grinder. Employee #1 worked the night shift and made adjustments to the machine to grind ceramic parts. He changed the wheel speed in the CNC program from 6,500 rpm to 13,000 rpm and turned on the machine. Other employees indicated that they heard a loud and unusual sound for several seconds followed by a loud popping sound. Employee #1 was injured when the grinding wheel broke apart at the high rpm and pieces of it struck him. He was hospitalized and died when he was taken off of life support three days later.
Keywords: GRINDER, EQUIPMENT OPERATOR, STRUCK BY, GRINDING WHEEL, GRINDING MACHINE
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 309303931 | Fatality | Other | Grinding, abrading, buffing & polishing mach. op's |