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osha grinding wheel guarding

Machine Guarding Checklist for Abrasive Wheel

18 行  2013-3-15  From the Abrasive Wheel standard. 215(a)(2) Do side guards cover the spindle, nut and flange and 75% of the wheel diameter? 215(a)(4) Is the work rest used and kept adjusted to within 1/8-inch (0.3175cm) of the wheel? 215(b)(9) Is the adjustable tongue guard on the top side of the grinder used and kept to within 1/4-inch (0.6350cm) of the wheel?

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1910.215 Abrasive wheel machinery. Occupational

2 天前  The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cutting-off machines and on surface grinding machines which employ the wheel periphery shall not exceed 150 deg. This exposure shall begin at a point not less than 15 deg. below the horizontal plane of the wheel spindle.

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1926.303 Abrasive wheels and tools. Occupational

2021-8-4  1926.303 (c) (1) Floor stand and bench mounted abrasive wheels, used for external grinding, shall be provided with safety guards (protection hoods). The maximum angular exposure of the grinding wheel periphery and sides shall be not more than 90 deg, except that when work requires contact with the wheel below the horizontal plane of the spindle,

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Machine Guarding A Partial List of Accidents

29 行  1996-11-19  Struck By Broken Grinding Wheel Piece: 4: 201150463: 11/19/1996 4213:

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Requirements for surface conditioning wheels (3M

1998-8-6  In your letter you indicated that 3M believes that it would be appropriate for OSHA to provide an interpretation to classify surface conditioning wheels as polishing or buffing wheels rather than abrasive grinding wheels. Abrasive wheels must be guarded in accordance with 29 CFR 1910.215.

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Guarding and Clearances, Grinders ResponsibleAg

2014-9-22  Abrasive wheel machinery, such as bench grinders, must be guarded and maintained to protect employees. Abrasive wheels must be used only on machines provided with safety guards. The safety guard must cover the spindle end, nut and flange projections. The safety guard must be mounted to maintain proper alignment with the wheel and the strength of the fastenings must exceed the

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Machine safeguarding at the point of operation

2020-4-16  As a result of that investigation, OSHA proposed willful and serious citations alleging the lack of a preventative maintenance program, failure to ensure the grinder was running at an appropriate speed within the grinding wheel tolerance, and issues involving

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Equipment Guarding Oregon

2020-6-3  Off-hand grinding machines must have work rests that are: Rigid and adjustable to compensate for wheel wear. Kept adjusted to within 1/8-inch of the wheel to prevent work from jamming between the wheel and the rest. Securely tightened after each adjustment. Do not adjust a moving wheel. Do side grinding only on wheels designed for that purpose.

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Use of Portable Grinders : OSH Answers

2021-5-31  Guards must be provided and adjusted properly as per the manufacturers manual to protect you. Replace damaged guards because if an abrasive wheel breaks while rotating, it can cause a serious injury. Before use, check the manufacturer's stated running speeds, or markings on the grinder, and grinder wheel for the maximum speed that it can be used.

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Guarding and Clearances, Grinders ResponsibleAg

2014-9-22  Guarding and Clearances, Grinders Regulatory Citation OSHA 29 CFR 1910.215 Abrasive wheel machinery What It Is Standard protects employees from the hazards associated with using abrasive wheel machinery. Who It Applies To Employers with employees who use abrasive wheel machinery such as bench grinders. Origination Date 6-27-1974

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Got Grinders? Get Safeguarding Machine Safety Blog

OSHA says that you must “ring-test” grinding wheels before mounting them to prevent the inadvertent mounting of a cracked grinding wheel. Ring Testing Ring-Testing involves suspending the grinding wheel by its center hole, then tapping the side of the wheel with a non-metallic object. This should produce a bell tone if the wheel

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Letter of Interpretation Wire Wheel Guarding

2020-4-16  Subject: Wire Wheel Guarding QUESTION: On pedestal or bench grinders, the employer will sometimes use a wire wheel instead on an abrasive wheel. A hazard exists because of the turning shaft and nut end. Should this be cited under abrasive wheel machinery, 1910.215, under 1910.212, general machine guarding, or 1910.219, mechanical power

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Grinder Safety The Do's and Don'ts Rockford

2017-3-1  OSHA requires that grinding wheels be ring tested before mounting them. This simple step prevents the inadvertent mounting of a cracked grinding wheel. Ring-Testing involves suspending the grinding wheel by its center hole, then tapping the side of the wheel with a non-metallic object. This should produce a bell tone if the wheel

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Bench Grinder Safety Awareness Guide Environment,

Image courtesy of OSHA * Side guards must cover the spindle, nut, and flange and 75% of the wheel diameter. **The work rest must be kept adjusted to within 1/8-inch of the wheel. ***Adjustable tongue guards must be kept to within 1/4-inch of the wheel. ****If eye shields are not present, then the operator must don a face shield when grinding.

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Equipment Guarding Oregon

2020-6-3  Abrasive wheel cutting device made of abrasive grains held together by organic or inorganic bonds, including diamond and reinforced wheels. Off-hand grinding The grinding of anything held in the operator’s hand. Portable grinding A grinding operation where the grinding machine is hand held and easily moved from one place to another.

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Grinders OSHA Safety Manuals

2017-6-2  Use the correct type of wheel for the material you are grinding. Store wheels so that they are not subject to the environment or damage. Guarding is extremely important for safe grinder operation. Side guards should cover the spindle, nut, flange and wheel. Use a work rest that is adjusted to within 1/8-inch of the wheel.

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Use of Portable Grinders : OSH Answers

2021-5-31  Right-angle grinder the grinding face of the wheel or disc is at an angle of between 5 and 15 degrees from the grinding surface. Vertical grinder the grinding wheel face is in contact with the surface. Use racks or hooks to store portable grinders. Stand away from the wheel when starting grinders. Warn co-workers to do the same.

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Machine Guarding Case Study gatech.edu

2019-3-26  Machine Guarding Case Study. a tool rest adjusted to within 1/8 inch of the grinding wheel, an outer wheel guard and should be anchored to the table. The drill press and milling machine should have an adjustable guard around the rotating chuck. Both machines should be anchored.

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29 CFR § 1910.215 Abrasive wheel machinery. CFR

2021-8-3  (a) General requirements (1) Machine guarding. Abrasive wheels shall be used only on machines provided with safety guards as defined in the following paragraphs of this section, except: (i) Wheels used for internal work while within the work being ground; (ii) Mounted wheels, used in portable operations, 2 inches and smaller in diameter; and (iii) Types 16, 17, 18, 18R, and 19 cones, plugs

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Abrasive Wheel Grinders EMC

Guarding . Improper guarding of abrasive wheel grinders is one of the most frequently cited OSHA standards each year. According to OSHA, an abrasive wheel grinder should be guarded as follows: Side guards cover the spindle, nut, flange and at least 75% of the wheel diameter; The work rest is present and adjusted to within one-eighth inch of the

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Letter of Interpretation Wire Wheel Guarding

2020-4-16  Subject: Wire Wheel Guarding QUESTION: On pedestal or bench grinders, the employer will sometimes use a wire wheel instead on an abrasive wheel. A hazard exists because of the turning shaft and nut end. Should this be cited under abrasive wheel machinery, 1910.215, under 1910.212, general machine guarding, or 1910.219, mechanical power

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Machine Safeguarding at the Point of Operation OSHA

2018-4-17  within the grinding wheel tolerance, and issues involving machine guarding and other adjustments to the machine. Source: Federal OSHA Regional News Release, July 7, 2003

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MACHINERY AND MACHINE GUARDING

2001-12-9  MACHINERY AND MACHINE GUARDING. Abrasive Wheel Machinery Angular Exposure and Exposure Adjustment Abrasive wheel safety guards for bench stands, floor stands, and cylindrical grinders shall not expose the grinding wheel periphery for more than 65 degrees above the horizontal plane of the wheel

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OSHA requiremnts for buffers Practical Machinist

2011-8-1  Wire wheels and power buffers now fall under CFR 1910.212, General Machine Guarding. From an OSHA letter of interpritation: Wire wheels should have at least an upper wheel cover, if cleaning large items such as axes or shovels and a full wheel cover as required for abrasive wheels with a tongue guard if doing other types of cleaning or

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Grinders OSHA Safety Manuals

2017-6-2  Use the correct type of wheel for the material you are grinding. Store wheels so that they are not subject to the environment or damage. Guarding is extremely important for safe grinder operation. Side guards should cover the spindle, nut, flange and wheel. Use a work rest that is adjusted to within 1/8-inch of the wheel.

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Bench Grinder Safety WNINS

2017-1-13  The OSHA standard for grinders,OSHA 29 CFR 1910.215, guarding components that must be utilized in order to use • Verify that the grinding wheel rpm rating is matched or rated higher than the rpm rating of the grinder motor. • Be sure all guards are in place. Adjust the tongue guard to within 1/4 inch of the wheel surface.

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29 CFR § 1926.303 Abrasive wheels and tools. CFR

2021-7-22  (a) Power. All grinding machines shall be supplied with sufficient power to maintain the spindle speed at safe levels under all conditions of normal operation. (b) Guarding. (1) Grinding machines shall be equipped with safety guards in conformance with the requirements of American National Standards Institute, B7.1-1970, Safety Code for the Use, Care and Protection of Abrasive Wheels, and

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29 CFR § 1910.215 Abrasive wheel machinery. CFR

2021-8-3  (a) General requirements (1) Machine guarding. Abrasive wheels shall be used only on machines provided with safety guards as defined in the following paragraphs of this section, except: (i) Wheels used for internal work while within the work being ground; (ii) Mounted wheels, used in portable operations, 2 inches and smaller in diameter; and (iii) Types 16, 17, 18, 18R, and 19 cones, plugs

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Machine Guarding Case Study gatech.edu

2019-3-26  Machine Guarding Case Study. a tool rest adjusted to within 1/8 inch of the grinding wheel, an outer wheel guard and should be anchored to the table. The drill press and milling machine should have an adjustable guard around the rotating chuck. Both machines should be anchored.

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