The safe operating rules of grinding wheel

The safe operating rules of grinding wheel: 1. Before installing the wheel should check whether the cracks, if the naked eye is not easy to identify, can be used to hold up the wheel of solid lines, and then a wood gently tap, listen to their sound (metal sound is excellent, dumb sound inferior). 2. Grinding wheel machine must have a solid appropriate wheel cover, or shall not be used. 3. Install the wheel, the nut shall not be too loose, too tight, should be checked before using the nut loose. 4. After the wheel is installed, be sure to idle test 2 - 3 minutes to see whether the balance of its operation, protection device is properly reliable, in the test run, should arrange two staff, one wheel side wheel, In case of abnormality, the power supply should be cut off immediately by another person in the power distribution cabinet to prevent the accident. 5. When using the grinder, wear protective glasses. 6. Grinding wheel must be 40 - 60 seconds after the stable speed grinding, grinding tools should stand on the side of the wheel, not on the wheel, to prevent broken pieces of worn out of the wheel. 7. It is strictly forbidden to use one wheel at the same time. 8. Sharpen, the tool should be slightly higher than the center of the wheel.Not too much force to prevent slippage injury hand. 9. Grinder without permission, not to indiscriminate use. 10. Turn off the grinder immediately after use. 11. Grinding wheel should be cleaned cleanly after get off work.