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Grinding Wheels
How to Prevent the Accident of Resin Grinding Wheel in Use

Resin grinding wheel is a widely used grinding tool. It usually consists of abrasives, adhesives and reinforcements. In the process of operation, fracture will not only lead to death or serious injury accidents, but also cause serious damage to the workshop or shell. In order to reduce and control the occurrence of harm, it is necessary to understand and master the harm of expression and its preventive measures.
 
1. Handling and Storage
In the process of transportation and treatment, if the resin wheel bonded with phenolic resin is soaked, its strength will be reduced; Uneven water absorption can cause the wheel to lose balance. Therefore, when loading and unloading the grinding wheel, it must be placed carefully, and placed in a dry and cool place, in order to maintain the normal state of the grinding wheel.
 
2. Correct Installation
If the resin grinding wheel is installed on an unsuitable instrument, such as the end of the spindle of a polishing machine, accident or damage may occur. The spindle should have a proper diameter, but not too large, so as to avoid the crack of the center hole of the grinding wheel. The flange shall be made of mild steel or similar material and shall not be less than one third of the diameter of the grinding wheel.
 
3. Test Speed
The running speed of resin grinding wheel shall not exceed the maximum allowable working speed specified by the manufacturer. All grinding machines shall be marked with spindle speed. The maximum allowable circumferential speed and corresponding speed of resin grinding wheel are also displayed on the grinding wheel. For variable speed grinding machines and grinding wheels, special protection measures must be taken to allow hand-held grinding machines to be installed with appropriate allowable speeds.
 
4. Protective Measures
The shield should have enough strength to resist the burst of resin grinding wheel. Some countries have detailed regulations on the design and materials of protective devices. In general, cast iron or cast aluminum should be avoided. The grinding operation opening of the protective device shall be as small as possible and shall be equipped with adjustable baffle.
 
These are the protective measures that resin grinding wheel should take. To train the operators for many times to use the standard and how to judge the quality of resin grinding wheel, so as to ensure that the workers will not have dangerous accidents in the operation. Protect workers in all aspects.