Do not bypass any safety devices. Only use the tool when it is secured to the floor via a pedestal or work bench. Always stay at the machine while it is running. Clean the tool after use. Report any malfunction or damage to the Shop Supervisor after tagging the tool "Out of Service, do not use".
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.
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?
• Maintain steady pressure on the work piece • sudden "bumping", pounding or impact could damage the wheel • Do not apply excessive pressure to the wheel or disc so that the motor slows noticeably of the work gets hot • could stress the wheel, overheat the work piece and reduce your control • Avoid letting the wheel rest on one spot for too long...
The guard shall cover a minimum of 70% of the circumference of the rotating disc. Unbreakable glass / plastic screen shall be fit on All pedestal/static grinding machines which can be adjusted to protect against flying particles. All pedestal/static grinding machines must have an efficient starting and stopping device, which is easily accessible.
WHEEL OPERATIONS • Maximum 3mm Gap • Prevents entanglement • Work must be square to wheel (90o) BASIC SAFETY • Guard secured and adjusted • Operator only at machine • Eye and ear protection mandatory • Do NOT use SIDE of wheel BASIC SAFETY - Cont. • Always unplug • Bring to a controlled stop when switched off
Dress The Grinding Wheel Dressing the wheel means proper cleaning and smoothing the surface of the grinding wheel. Keep the grinding wheel dressed as frequently as you can so that it is not a compiled mess a lot later. It will allow the wheel to cut faster, cooler and with a better surface finish. 3. Hand-Held (Portable) Grinder Safety 3.1.
Long hair must be restrained All observers should be kept a safe distance from the work area Abrasive-Wheel Tools Before an abrasive wheel is mounted, it should be inspected closely and sound or ring tested to ensure it is free of cracks or defects Powered abrasive grinding, cutting, polishing and wire buffing wheels create special safety ...
Angle Grinding Guidance Note (21 Oct 13) PAGE 14 Safe Grinding Guide Moving and rotating machinery Appendix I Safe Grinding Tool Box Talk Example . Safe Use of Angle Grinders (cont.) Wheel Safety: Cutting wheels or discs should not be used for grinding jobs, and grinding wheels should not be used for cutting jobs.
STEP 7: REDUCING WHEEL SPIN DOWNTIME It takes 8-12 seconds for a wheel to come to a complete stop. Grinder may "walk, spin-out, run away, etc." if placed on a surface before wheel completely stops. • Stops grinding wheels in under 2 seconds • Stops cut-off wheels in under 1 second The Solution: STEP 8: REDUCING VIBRATION
short, never overspeed a grinding wheel. • The speed of the grinder must be compared to the speed marked on the wheel or package to make sure the machine speed is at or below the maximum operating speed of the wheel. Surpassing this rating not just risks wheel breakage, but also the safety of shop personnel. GRINDING WHEEL INSPECTION & MOUNTING
Conduct inspection and check condition of all grinders & discs on vessel; Ensure damaged discs are thrown out and not re-used; Refresher training presentation on abrasive wheels safety for crew. Members may wish to refer to IMCA "Be prepared to work safely" short video watch your hands IMCA safety poster Hand safety Portable Grinders – Hand Safety
Safety practices that must be followed to minimize accidents and maximize safety when using angle grinders and resin-bonded wheels apply to the wheels, the grinder, and the operator. The Wheel The most common resin-bonded wheels are Type 27 (depressed center) for grinding and cutting and Type 1 (flat) for cutting.
Grinder Safety (III) Always move the metal back and forth while grinding unless specified by the instructor. This ensures even wear on the grinding wheel. Always turn the stationary grinder off when finished with an operation and wait for them to come to a complete stop. Never walk or pass through the sparks while grinding is taking place
To prevent an abrasive wheel from cracking, it must fit freely on the spindle. The spindle nut must be tightened sufficiently to hold the wheel in place without distorting the flange. Always follow the manufacturer's recommendations. Also, monitor the spindle speed of the machine to ensure that it does not exceed the maximum operating speed desi...
Long hair must be restrained All observers should be kept a safe distance from the work area Abrasive-Wheel Tools Before an abrasive wheel is mounted, it should be inspected closely and sound or ring tested to ensure it is free of cracks or defects Powered abrasive grinding, cutting, polishing and wire buffing wheels create special sa...
Grinding machines and abrasive wheels should always be used in accordance with the manufacturer's instructions. In particular: Wear all required personal protective equipment such as eye, face, and hearing protection; as well as gloves and safety shoes. Always ensure the maximum speed (the no load rpm) marked on the abrasive wheel is greater
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All handheld grinding machines shall be complete with handle or commonly known as the 'T' bar. Removal of the handle during use is strictly prohibited. Each grinding machine shall be fitted with its correct guard as supplied by the manufacturer. The guard shall cover a minimum of 70% of the circumference of the rotating disc.
A guard should enclose a wheel as much as possible, and as the diameter of the wheel decreases the protection should not be lessened. 2. The maximum distance between a wheel and the top of a guard opening should not exceed 1/4 inch. 3. Safety guards should cover the ends of the arbor ends. 4.
**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.
• Check that tool rest is less than 1/8" from the wheel. • Inspect the wheel for chips or cracks. • Stand to one side and turn grinder on. • Allow grinder to reach full speed. • Hold piece firmly against table or stop. • Move object being ground back and fourth on wheel. • Do not leave grinder until it has come to a complete stop.
grinding wheels should not exceed the recommended maximum diameter for any given grinding machine; worn down wheels from other machines should not be used; grinding tools should never be used without the wheel guard attached to the tool and positioned for maximum safety; abrasive wheels should be stored and handled with care.
- Never use grinding wheel power tools without the wheel guard attached to the tool and positioned for maximum safety. - Store and handle abrasive wheels with care and inspect them for chips or cracks before installing. ... SEIC Central HSES Operational Safety Support Group * * Title: PowerPoint Presentation Last modified by: muc0671 Created ...
SAFETY Make sure the manufacturer's recommended speed, as posted on the wheel, is compatible with your grinder Maintain the tongue guard within 1/4 inch of grinding wheel* Be sure the outer wheel guard is in place Be sure the power transmission cover is securely in place Always protect your eyes; wear only an eye or face shield bearing the ...
Safety Guide for Grinding Wheels | UAMA Safety Guide for Grinding Wheels Safety Guide for Grinding Wheels MUST DO DO check all wheels for cracks or other damage before mounting DO make sure the machine speed does not exceed the maximum operating speed marked on the wheel DO use an ANSI B7.1 wheel guard. Position it so it protects the operator.
Grinding wheels by themselves do not produce any energy. Accidents and injuries do not occur without the aid of the grinding machines which produce the energy required to make the abrasive wheel perform the needed task. Therefore, this important section deals with the very general machine conditions required for the safe use of grinding wheels.
