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The safety code for grinding and cutting wheels is ANSI B7.1 "Safety Requirements for the Use, Care and Protection of Abrasive Wheels." The code is very specific defining the proper grinding surfaces for each type of wheel and Figure 2 shows that the only acceptable grinding surface on a cutting wheel is on the periphery, not the sides.
It is based on the premise that grinding is a safe operation when a few basic rules are followed. These rules are based on material contained in the American National Standards Institute Safety Requirements B7.1 — "Use, Care & Protection of Abrasive Wheels." Follow them.
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.
The Occupational Safety and Health Administration (OSHA) is very specific about bench grinder safety. OSHA refers to bench grinders as "Abrasive Wheel Equipment Grinders." The safety rules for this machinery are in the Code of Federal Regulations (CFR), and OSHA has a very detailed checklist for the bench grinder on ...
OSHA Training Toolbox Talk: Operating a Pedestal or –Bench Grinder Basic Safety Requirements [Reference 1910.215 / 1926.303] Can you believe the surface of an eight-inch diameter grinding wheel that is mounted on a bench grinder turning 3,100 RPM's is traveling at .
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 ...
Remember to document any safety requirements set forth by OSHA as that is the best evidence that safety procedures are being followed. Grinder Safety – Ring-Testing OSHA requires that grinding wheels be ring tested before mounting them. This simple step prevents the inadvertent mounting of a cracked grinding wheel.
Also known as safety scales, these gauges confirm that the gaps between the grinding wheel and the tool rest and tongue comply with OSHA and ANSI requirements. Lg. Wd.
General requirements Guarding cup wheels Construction of fabricated guards ... ****means there is a comparable OSHA rule to this paragraph . MIOSHA . OSHA . R 408.10111. Handling and storage of abrasive wheels. ... prevent interference in side grinding and drive the wheel by its clamping force against the depressed portion of the
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.
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? 215(d)(1) Is the maximum RPM rating of each abrasive wheel compatible with the RPM rating of the grinder motor? 215(d)(1) Before new abrasive wheels are mounted, are they visually inspected and ring tested? From other OSHA ...
This is in response to your letter of January 7, addressed to Ms. Emily Sheketoff, former Deputy Assistant Secretary for Occupational Safety and Health Administration (OSHA), regarding the classification of 3M's Scotch-Brite surface conditioning wheels as polishing or buffing wheels rather than as abrasive grinding wheels.
Jan 21, 2015· 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."
This section shall apply to ship repairing, shipbuilding and shipbreaking. 1915.134(a) 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 .
Grinding Wheel Safety Injuries from grinding wheels can be prevented by the use of eye protection, safe work practices and proper care and guarding of the grinding wheel. Grinders are a frequent source of injury. The most common are injuries to the eyes from flying particles, hand and finger injuries and injuries caused by grinding wheel breakage.
Because the safety guard is designed to restrain the pieces of a shattered grinding wheel, the distance between the safety guard and the top periphery of the wheel must not be more than 1⁄4-inch. If this distance is greater because of the decreased size of the abrasive wheel, then a "tongue guard" must
safety concerns, including flying particles and electrical hazards. This procedure outlines requirements in the Occupational Safety & Health Administration's (OSHA) standards regarding abrasive wheels and tools (29 CFR 1926.303). 1. Preparation • Remove flammable materials from the work area. • Ensure work area is clean, free from slip,
When using abrasive wheels, workers can be exposed to serious injuries, such as: Bodily injury from being struck by the object being cut or grinded. A body part caught or pulled in by moving parts. Eye injuries from flying debris (for example, chips, metal particles, or a wheel that disintegrates). Hearing damage from excessive noise while ...
Shrapnel from a wheel explosion. • During grinding • Before/after grinding • Develop procedures for visually inspecting and ring testing new grinding wheels before they are mounted [OSHA 1910.215]. • Install a tethered grinder gauge and develop procedures to verify rest and tongue guard spacing [OSHA .
(This Foreword is nat a part of the American National Standard Safety Code For the Use, Care and Protection of Abrasive Wheels, 87.1-1970) In 1917 the Grinding Wheel Manufacturers and the Machine Tool Builders began to recog nize a need for codification and standardization of the basic requirements of safe operation of
(This Foreword is not a part of the American National Standard Safety Code For the Use, Care and Protection of Abrasive Wheels, B7.1-1970) In 1917 the Grinding Wheel Manufacturers and the Machine Tool Builders began to recognize a need for codification and standardization of the basic requirements of safe operation of abrasive grinding wheels.
Aug 01, 2011· Wire wheels used to be covered the same as grinding wheels by OSHA, but a few years ago, they were sepperated. Wire wheels and power buffers now fall under CFR 1910.212, General Machine Guarding. From an OSHA letter of interpritation:
Cylindrical grinders. 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.)
Store grinding wheels carefully on racks in dry places, and visually inspect them for warping, chips, cracks or other damage before installation. Discard used wheels once they are approximately 2/3 worn. Proper guarding is one of the most important safety requirements. Missing or improperly adjusted guards are common and frequent safety violations.
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