How to correctly use hand grinding wheel for grinding and polishing?
Angular grinding machines (hand grinding wheels) are popular in many families, and they are relatively economical and primary reforming tools. Angle grinder is a commonly known as hand wheel, electric grinding tool, suitable for cutting, grinding and brush metal and stone grinding operation must not use water. The guide plate must be used when cutting stones. For machines equipped with electronic controls, lapping and polishing operations can also be performed if suitable accessories are installed on such machines. Of course, grinders are absolutely violent tools. Angle mill speed is very high, often reach tens of thousands of revolutions, such as practical and improper, prone to danger. Therefore, how to correctly use angle grinder, much attention of woodworking enthusiasts. The following is the correct use of a hardware electrical network finishing grinder steps and matters needing attention.
The labor protection equipment that needs to be equipped with the angle grinder:1 、 protective gloves, can prevent grinding sparks, hurt hands, and reduce the damage caused by rotating grinding wheel.2, protective glasses, to avoid sparks, splash, hurt eyes.3, safety helmet, protect the head.4, labor shoes, anti crash, anti-skid.5, work clothes.6, dust masks (if necessary), such as using steel wire brush cleaning rust, grinding, cutting, cement, asbestos and other dirt prone materials.
Before use, check whether the grinding wheel is in good condition (no cracks, cracks or damage), and whether the grinding wheel shaft is firm and reliable. There is no debris between the angle grinder and the shield, is it in line with the safety requirements, and when the problem is confirmed, start the angle grinder.
1, angle grinder should have a special person responsible for regular inspection, in order to ensure normal operation.2, the replacement of the new wheel, cut off the power, at the same time before installation should check whether there are cracks in the grinding wheel, if the eye is not easy to distinguish, the available solid line to lift the wheel, and one piece of wood, listening to the sound of tapping. (metal sound is superior, hoarse sound is inferior).3, angle grinder must have a suitable grinding wheel cover, bracket from the grinding wheel shall not exceed 5mm, otherwise it shall not be used.4. When installing the grinding wheel, the nut must not be too loose or too tight, and the nut should be loosened before use.5, the grinding wheel is installed, must be idling test 2 ~ 3 minutes, to see whether the operation of the protection device is properly balanced, reliable, in test operation, should be arranged for two staff, one of them stand in the wheel side drive wheel, if abnormal, by another person in the Cabinet Office immediately cut off power supply. In case of an accident.6, all users should wear goggles, not to the grinding wheel, but should stand in the side. When using angle mill, do not wear gloves, strictly prohibit the use of cotton and other things wrapped tool for grinding.
