Accident Report Detail

Accident Summary Nr: 202477576 - Employee Is Injured When Grinding Wheel Fails

Accident Summary Nr: 202477576 -- Report ID: 0950636 -- Event Date: 07/27/2011
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
312667983	09/09/2011	3423	332212	Snap-On Incorporated Dba Snap-On Specialty Tools

Abstract: At 2:26 p.m. on July 27, 2011, Employee #1, a tool and die maker with Snap-on Specialty Tools, was precision-grinding a prototype part using a Themac J35 grinder mounted on a Victor lathe. When the 3.9 in. vitreous grinding wheel failed, the wheel material penetrated the polycarbonate lathe guard and Employee #1's ANSI-approved safety glasses, striking his face, right eye, and left hand. He was hospitalized for treatment. Evidence indicated that the wheel guard was not in place and the machine's speed was set too high for the 3.9 inch wheel. To change the speed of the grinder, an operator would change the order of the pulley wheels. The pulley combination had been left set for a wheel rated 45,000 rpm, but the 3.9 inch wheel was rated 5,500 rpm.

Keywords: EYE, GRINDER, ROTATING PARTS, PPE, EQUIPMENT FAILURE, FLYING OBJECT, FACE, GRINDING WHEEL, HAND, UNGUARDED

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	312667983			Hospitalized injury	Foreign Body Ineye	Designers

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