Mar 01, 2017· 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 is intact
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DON’T alter a wheel hole or force it on a spindle. DON’T mount more than one wheel on an arbor. DON’T use any Type 1/41 or 27/42 cutting wheel for grinding. DO not apply any side pressure on a cutting wheel. Use for CUTTING ONLY. DON’T use a cutting wheel to cut curves. Cut in straight lines only. DON’T twist, bend or jam any wheel
Apr 09, 2019·Unplug the power cord before you mount or remove the wheel.Avoid grinding non-ferrous materials. Instead of using your bare hands, use the clamp to hold the small pieces during the grinding. Make your workspace free of flammable materials
In addition to looking at essential training needs, the guide also focuses on details such as:wheelcharacteristics; safety ingrindingmachine operations;wheelmountingproceduresand issues; guards; extra considerations for portable or hand-held grinders; and protective equipment requirements
The wheel must be affixed to the grinder with the correct mounting flanges. Using improper flanges can impart damaging stress to the wheel. For the same reason, do not tighten the outer mounting flange/nut excessively. Never force a wheel onto the grinder or alter the size of its mounting hole. Do not grind on the side of the wheel
Apr 02, 2017· STEPS TO DRESS AGRINDING WHEEL. Here are the steps to take to effectively and properly dress agrinding wheel. Step 1. Determine the proper dressing tool for thewheel. Make sure the grit of the dressing tool is finer by one or two sizes than the abrasive surface of thegrinding wheel
2 For the most common type ofwheel, an annular disc, a predetermined amount ofgrinding wheelmixture is poured into a mold consisting of four pieces: a circular pin the size of the finishedwheel'sarbor hole (its center hole); a shell with a 1-inch (2.5-centimeter) wall, about twice as high as the desiredgrinding wheelis thick; and two flat,
The most common resin-bondedwheelsare Type 27 (depressed center) forgrindingand cutting and Type 1 (flat) for cutting. Although thesewheelsare strong, they are not immune to breakage. Should awheelbreak apart in use, pieces of thewheelcould strike and injure you or a co-worker
Grinding wheelsshall fit freely on the spindle and remain free under allgrindingconditions. A controlled clearance between thewheelhole and the machine spindle (orwheelsleeves or adaptors) is essential to avoid excessive pressure from mounting and spindle expansion. To accomplish this, the machine spindle shall be made to nominal
Why is it important for agrinding wheelto be in balance? An out of balancegrinding wheelwill result in inferior quality parts. A balancedgrinding wheelwill produce high quality parts with smooth, true surfaces. With the trend toward increased rotational speed of grinder spindles, it is essential thatgrinding wheelsare in balance. Agrinding wheelthat is out of balance will have
Dec 15, 2000· Thegrinding wheelis one component in an engineered system consisting ofwheel, machine tool, work material and operational factors. Each factor affects all the others. Accordingly, the shop that wants to optimizegrindingperformance will choose thegrinding wheelbest suited to all of these other components of the process
Grinding wheelsare dressed to restore or change their ability to remove stock or generate a specific finish. If thewheelis being used to remove stock, thegrindingface is dressed to expose new and sharp cutting points, allowing thewheelto cut with a higher material removal rate. However, the tradeoff is that the finish may be unfavorable
Procedure. Once a Certifcate of Acceptance has been opened, renewable every year by declaration, we will recycle yourused grinding wheelsfor the whole year. Follow-up. We will send you an annual progress report along with your recycling certificate