safety hazards on wire wheels. To cite a safety hazard you should use the requirements in 1910.212, general machine guarding. 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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English. Labels and stickers. Prevent accidents for abrasive wheel machinery and tools. Prevent accidents: Adjust the distance between the grinding wheel and the tongue guard to a 1/4 inch maximum and the distance between the grinding wheel and the work rest to a 1/8 inch maximum. English Order printed copy 08/04/2006.
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Oregon OSHA Division 3/Subdivision I, 1926.300(b)(7) & 1926.303 Agriculture Oregon OSHA Division 4/Subdivision O, OAR 437-004-2100 American National Standards Institute ANSI B7.1 Safety Code for the Use, Care, and Protection of Abrasive Wheels ANSI B11.9 Safety Requirements for Grinding Machines • Proper exposure angle (90°)
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Construction Safety Requirements Abrasive Grinding All abrasive wheel bench and stand grinders must be provided with safety guards that cover the spindle ends, nut and flange projections, and are strong enough to withstand the effects of a bursting wheel. An adjustable work rest of rigid construction must be used on
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Grinding Wheel Safety. Grinding wheels can be dangerous. I have worked at two companies where people died as a result of catastrophic wheel failures. Eye and hand injuries are common with abrasive hand tools and bench grinders. It is imperative for everyone using grinding wheels or equipment to be thoroughly trained.
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Non-safety related markings found on grinding wheels are: The manufacturer's trademark/name. The test record number, indicating it meets the standards for safety. The expiry date if it's an organic bonded wheel (this will be 3 years from the date of manufacture). A traceable code number, indicating the source and manufacturing details of ...
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If grinding work requires more than 90 degrees of exposure, the maximum exposure amount is …
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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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**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. Other Precautions. New grinding wheels should be installed and replaced by competent persons.
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Non-safety related markings found on grinding wheels are:. The manufacturer's trademark/name. The test record number, indicating it meets the standards for safety. The expiry date if it's an organic bonded wheel (this will be 3 years from the date of manufacture).
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For more information on this topic or any other grinding wheel safety information, please review ANSI and OSHA requirements and literature provided by the grinding wheel and machine manufacturer. You may also contact the Saint-Gobain's Product Safety Department at (508) 795-2317, or you may contact your Saint-Gobain representative …
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Oregon OSHA Division 2/Subdivision O 29 CFR 1910.215 . Construction. Oregon OSHA Division 3/Subdivision I 29 CFR 1926.300(b)(7) & 29 CFR 1926.303. Agriculture. Oregon OSHA Division 4/Subdivision O OAR 437-004-2100. ANSI B7.1 . Safety Code for the Use, Care, and Protection of Abrasive Wheels. ANSI B11.9 . Safety Requirements for Grinding ...
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Ensure tool rest and tongue guard meet spacing requirements before starting an operation. [FED/OSHA 1910.215, CAL/OSHA §3577] Ring test and visually inspect all grinding wheels before they are mounted. [FED/OSHA 1910.215, CAL/OSHA §3580] Verify that the maximum RPM rating of each abrasive wheel meets or exceeds the grinder RPM.
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American National Standards Institute • ANSI B7.1, Safety Code for the Use, Care, and Protection of Abrasive Wheels • ANSI B11.9, Safety Requirements for Grinding • Proper exposure angle (90 degrees) • Adjustable tongue guards (1⁄4-inch) • Adjustable tool/work rest (1⁄8-inch) Plastic glass (Plexiglas) shields are optional.
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According to OSHA grinding regulations, grinding machines must have safety guards. A guard must cover the machine's spindle end, flange projections and nut and have secure mounting that keeps it in line with the grinding wheel. Guards must also protect workers from the grinding wheel; workers should only be exposed to 90 degrees (75 percent) or ...
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OSHA requires several safety guards to be installed on any grinding wheel. First, the piece of machinery must be stable and electrically grounded. An enclosure must be erected around the wheel and operator to protect the surrounding area from flying debris.
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Use, Care, and Protection of Abrasive Wheels. §3583. Portable Abrasive Wheels. (a) General requirements. Abrasive wheels shall be used only on machines provided with safety guards as required in Section 3577 (b). (b) A safety guard shall cover the spindle end, nut and flange projections. The safety guard shall be mounted so as to maintain ...
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(2) Abrasive wheels manufactured on or before July 1, 1998 shall meet the requirements of either ANSI B7.1-1978 or ANSI B7.1-1988, Safety Requirements for the Use, Care, and Protection of Abrasive Wheels.
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Grinding: Avoid OSHA Violations with Bench/Pedestal Grinders. The Bench Grinder Safety Gauge from Rockford Systems ensures compliance with OSHA 1910.215 by making sure work-rests are kept adjusted …
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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, the angular exposure shall not exceed 125 deg.
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ANSI B7.1 has been called the "Bible" for grinding wheel safety for good reason. It is the abrasive (grinding) wheel industry standard for the "Safety Requirements for the Use, Care and Protection of Abrasive Wheels" and most …
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How to "ring test" a grinding wheel. Grinding wheels must be inspected and "ring-tested" before they are mounted to ensure that they are free from cracks or other defects. Wheels should be tapped gently with a light, nonmetallic instrument. A stable and undamaged wheel will give a clear metallic tone or "ring."
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Grinding wheels are just one of many applications where tightening or torque requirements are critical to safety. Excessive tightening of grinding wheel mounts can cause damage to the machine's grinding wheel mounting flanges. This damage to flanges can cause even the largest and strongest grinding wheel to break.
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Non-safety related markings found on grinding wheels are:. The manufacturer's trademark/name. The test record number, indicating it meets the standards for safety. The expiry date if it's an organic bonded wheel (this will be 3 years from the date of manufacture).
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OSHA requires grinding wheels, buffing and polishing wheels, grinding belts and other grinders to have local exhaust ventilation when employee exposures exceed established limits (29CFR 1910.1000). Exhaust ventilation must meet minimum requirements (29CFR 1910.94(b)). Recommended LEV specifications have been developed by the ACGIH.
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The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on other portable grinding machines shall not exceed 180 deg. and the top half of the wheel shall be enclosed at all times. (See Figures P-5 and P-6.) View or download PDF Figure No. P-5 View or download PDF Figure No. P-6 1910.243 (c) (5)
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Ventilation and Personal Protective Equipment Requirements for Grinding, Polishing, and Buffing Operations. (a) General. Every establishment performing dry grinding, dry polishing, or buffing shall provide suitable hoods or enclosures that are connected to exhaust systems which are run continuously during operations.
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The operator should never exceed the wheel's safe operating speed. Failure to comply with this requirement is not only dangerous, it is also a violation of American National Standards Institute (ANSI) safety requirements and OSHA law. Follow Proper Storage Procedures. Grinding wheels can become damaged and unusable before they are ever utilized.
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The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cylindrical grinding machines shall not exceed 180 deg. This exposure shall begin at a point not more than 65 deg. above the horizontal plane of the wheel spindle. (See Figures O-10 and O-11 and subparagraph (9) of this paragraph.)
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The OSHA standard for grinders,OSHA 29 CFR 1910.215, is one of the most frequently cited violations issued during OSHA machine-safety inspections. Improperly adjusted work rests and tongues on bench grinders are the main reasons for the citation. According to 29 CFR 1910.215(a)(4), work rests must be kept adjusted closely to the wheel with
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The use of new blotters every time a wheel is mounted is an important safety measure that will also protect your flanges from abrasion. An unsecured or improperly flanged grinding wheel can break and cause serious injury. Careful design and periodic inspection of grinding wheel mounting flanges are critical elements to a safe operation.
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Safety while grinding work: Most injuries reported during grinding work are cuts to fingers and eye injuries from flying objects such as metal parts or sparks.Grinding is the process of finishing the workpiece to remove sharp edges or maintain surface quality or maintain shape and dimensions.
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OSHA 29 CFR 1910.215 specifies that work rests must be kept adjusted closely to the wheel with a maximum opening of 1/8-inch to prevent the workpiece from being jammed between the wheel and the rest. OSHA also states that the distance between the grinding wheel and the adjustable tongue must never exceed 1/4-inch.
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This checklist covers regulations issued by the U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) under the general industry standards 29 CFR 1910.215 and 1910.243 and the construction standards 29 CFR 1926.303. It applies to fixed and portable abrasive wheel machinery. Natural sandstone wheels and metal, wooden ...
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Grinder safety gauges can be used during the installation, maintenance, and inspection of bench/pedestal grinders to ensure work-rests and tongue-guards comply with OSHA's 1910.215 regulation and ANSI standards. To do so, wait until the wheel has completely stopped and the grinder is properly locked out before using a grinder safety gauge.
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DO run wheel in a protected area for one minute before grinding. DO wear ANSI Z87+ safety glasses and additional eye and face protection, if required. DO employ dust controls and/or protective measures appropriate to the material being ground.
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