Service

At GCM, we adhere to the one-to-one targeted design of high-quality solutions, and use the professional knowledge and full-cycle services of our account managers to help customers carry out project operations, and thoroughly solve customers’ problems in equipment procurement, operating cost accounting, operation management and after-sales service. Distress, thereby improving customer profitability and achieving sustainable business development.

  • Angle Grinder Safety

    Use the correct wheel for the machine's size and speed, and the work to be performed. • A cutting disc should not be used for grinding. The RPM rating of the disc/blade must be higher than that of the angle grinder. Adjust guards to deflect flying particles away from operator. • Use an 180° guard between operator & wheel.

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  • Abrasive Cup Wheel Safety Requirements | Norton Abrasives

    May 11, 2017· Here's a list covering what you should know about using an abrasive cup grinder: ... hearing, and respiratory protection as well as gloves, aprons, arm guards and safety shoes. Once a wheel has been mounted, test the machine and wheel by running them under a workbench or in a steel drum for 60 seconds. ... please review ANSI and OSHA ...

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  • Bench Grinder Wheels for Knives - The Precision Tools

    The fact that the grinding wheel spins pretty quickly, it doesn't need the user to sharpen the blade. The only thing that you should be doing is setting the blade on the grinding wheel in the right angle to allow it to do the work itself along the natural curvature of the blade. Sharpening the Knife

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  • Grinder Safety -Hazards, Precautions, PPE - Safety Notes

    Aug 10, 2019· 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 …

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  • American National Standard safety code for the use, care ...

    At the completion of wheel mounting the safety guard should be checked for condition and adjustment if necessary. All abrasive wheels shall be provided with safety guards. (See section 4 page 27 for full information and exceptions.) Explanatory Information (NOT PART OF ANSI CODE) ILLUSTRATION No. 75 Note the well designed cup wheel guard.

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  • Grinding Wheel Safety - Great American Insurance Group

    should the wheel break. The guard should be replaced as soon as the particular job has been completed. Wheels and Grinders The grinding wheel manufacturer's maximum operating speed should be regarded as the absolute maximum in all cases. (Whenever there is a question as to size and type of wheel …

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  • Angle Grinder - Difference between Type 1 and Type 27 wheels??

    Aug 20, 2010· Type 1 wheels are designed for cutting. Type 27 wheels are made for blending in, and grinding corners and flat surfaces. Being that type 27 wheels have depressed centers, you need a deeper guard. If you use a type 27 guard and a type 1 wheel, you run the risk of greater exposure to harm in the event the wheel …

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  • Type 1 Guard - Milwaukee Electric Tool

    Grinding & Cut-Off Wheels Diamond Blades & Cups Wire Wheels and Brushes Flap Discs Sanding. ... Per OSHA and ANSI standards, a Type 1 guard must be used with Type 1 wheels (abrasive or diamond). Includes: (1) Type 1 Guard (49-12-0305) Key Features Specifications Reviews. ... Be the first to know …

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  • Grinding Hazards: Causes & Recommended Safety Precautions

    Apr 09, 2019· Now that you know the danger of grinding, it's time to learn why such hazards happen in the first place. Knowing the cause will make the safety precautions part much easier. Selecting The Wrong Wheel; There are different kinds of grinding wheels for different grinding works. There are soft, harder, and cutter wheel out there.

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  • Cutting Wheels for Angle Grinders – Pick the Right Tool ...

    This is because grinding and pipeline wheels are mainly designed for grinding metal as opposed to cutting. The added thickness of a grinding wheel makes it difficult for cutting jobs, as the user would need to remove more material in a cut, leading to a longer cutting time and frustration. Here's some other facts you need to know about our ...

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  • About Grinding Wheels | Mach-B Grinding Wheel Shaping ...

    A characteristic that you should consider while choosing a grinding wheel, is the grain. Every grinding wheel has a grit size that corresponds to the number of grains in the wheel. Higher numbers (such as 70, 100 and 180) can be used for fine finishes with small areas of contact on hard, brittle materials.

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  • 1926.303 - Abrasive wheels and tools. | Occupational ...

    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, the angular exposure shall not exceed 125 deg.

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  • Protective guards - ANDRE ABRASIVE

    Guards for type 27 grinding wheels should have a maximum aperture of 185°. They must be so designed as to be between the operator and the grinding wheel. In case of straight and taper cup wheels, the guards must be adjustable and positioned in such a way so that only one part of the wheel is left unprotected.

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  • Abrasive Wheel Safety – Health Safety & Environment

    When the machine is in use the guard should always be positioned between the operator and the wheel. If the wheel is larger than 130 mm diameter the guard should have a front lip of at least 5 mm or a curtain segment with a minimum height of one quarter of the diameter of the wheel. Non-reinforced straight-sided wheels …

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  • Bench grinder - Wikipedia

    A bench grinder is a benchtop type of grinding machine used to drive abrasive wheels.A pedestal grinder is a similar or larger version of grinder that is mounted on a pedestal, which may be bolted to the floor or may sit on rubber feet.These types of grinders are commonly used to hand grind various cutting tools and perform other rough grinding.. Depending on the bond and grade of the grinding ...

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  • When is a Grinding Wheel Worn Out? | Norton Abrasives

    Apr 30, 2007· If you do not know, a good "rule of thumb" is to discard the wheel when you are 1" away from the recess. Type 6 & 11 (Portable Cup Wheels) Portable cup wheels must be discarded when the machine's guard prevents proper grinding. In this case a proper guard will determine discard size by preventing additional grinding on the wheel's rim.

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  • What You Should Know About Grinding Wheel Guards ...

    Apr 25, 2020· Incorrect: Straight cutting off wheels such as Type 41 (formerly denoted as Type 1) used on a portable angle grinder with a Type 27 & 28 raised hub or depressed center grinding wheel guard. Explanation: Type 27 & 28 guards are open on the bottom to allow for side grinding with raised hub/depressed center wheels.When side grinding with the Type 27 or Type 28 wheel, the work …

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  • Grinding and cutting safely - The FABRICATOR

    The guard should be adjusted so that the least amount of wheel is exposed toward you. Many grinders have wheel guards that do not require tools for adjusting, which means adjustments generally can be made quickly and easily. Never use a grinder if its no-load speed (RPM) is unknown. Never use a wheel …

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  • Use of Portable Grinders : OSH Answers

    Guards must be provided and adjusted properly 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 …

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  • Safety 101: Abrasives Article | Norton Abrasives

    Mar 24, 2016· Multiple Wheel Mounting: Know The Rules. It is common in some grinding applications to use multiple wheels on a single spindle. Learn the rules for multiple wheel mounting to avoid wheel breakage and personal injury. Read more What You Should Know About Grinding Wheel Guards. Grinding wheel guards …

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  • 20˚-30˚ 5˚- 15˚ 5˚- 10˚

    to repair or replace the guard. NOTE: Edge grinding and cutting can be performed with Type 27 wheels designed and specified for this purpose; 1/4 inch (6mm) thick wheels are designed for surface grinding while 1/8 inch (3mm) wheels are designed for edge grinding. Cutting can also be performed by using a Type 1 wheel and a Type 1 guard…

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  • The daily grind: Test your knowledge on grinder safety

    If the wheel makes a ringing noise, you will know it is not fit for use. It's part of a test to check the usability of the wheel. Tapping a grinding wheel shakes any impurities out of its pores. 5. When gauging the compatibility between a grinder's RPM and a grinding wheel's RPM, remember: The two numbers must be exactly the same.

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  • Bench Grinders: Choosing the Right Wheel

    Bench grinder wheels need occasional TLC to do a good job of sharpening. Learn how to dress a wheel to keep it clean, which type to use for which metal, and how to test for cracks. Rest the dresser on the tool rest and start the grinder. Then turn it off and press the tool against the grinding wheel ...

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  • Bench Grinder Basics You Need to Know — The Family Handyman

    Mar 20, 2019· The wheel should ring. If you hear a dull thud instead, the wheel is probably cracked and should not be used. When you install a wheel, don't overtighten the nut. Just snug it up. Overtightening could crack the wheel. Keep the shrouds and spark shields in place. And maintain a 1/8-in. or less gap between the tool rest and the grinding wheel.

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  • Grinding wheel - Wikipedia

    A grinding wheel is a wheel composed of an abrasive compound and used for various grinding (abrasive cutting) and abrasive machining operations. Such wheels are used in grinding machines.. The wheels are generally made from a composite material consisting of coarse-particle aggregate pressed and bonded together by a cementing matrix (called the bond in grinding wheel …

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  • Bench And Pedestal Grinders | OSHA Safety Manuals

    The wheel guard enclosure should cover most of the wheel, the spindle, and the wheel mounting hardware. Some of the wheel must be exposed to allow grinding access, but the maximum access space between the horizontal work rest and the top of the wheel guard opening should be no more than 65 degrees of the wheel.

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