Magnetic particle inspection method fan rotor or impeller fan around the wire supply, Walter DC impeller or rotor generates a magnetic field. Each impeller and become a pole at the top, and then coated with iron powder. If the blade has a crack, resulting in two different polarities at the gap at the crack, thereby suck iron powder. This can find out where the injured leaves scars. Phosphor coated phosphor testing blade, then wiped off. The rotor or impeller to move to the dark room, look, there is a crack at the phosphors glow and indelible. These are the fan impeller fan manufacturers to introduce Shanxi damage inspection methods supply cooling tower fan, if you want to learn more Information industrial chiller supply Shanxi fans, stay tuned to our official website ion fan supplier, you also You can call, we will be happy to serve you and look forward to your visit! blower system 1. The maintenance work must be someone to use fans, hand repair. 2. Fan allowed sick to run. 3. periodically remove the fan inside the dust, especially on the impeller dust, dirt and other impurities in order to prevent corrosion and imbalance. 4. It must be emphasized first fan repair power outages parking. 5. The sensitivity of the thermometer and regularly check the oil targets. 6. In addition to changing the oil should be removed after each repair, but under normal circumstances, change the oil from March to June. Industrial chillers supply nagorye Blower Works (certified), Wulanchabu fan Supply provided by the Shanxi nagorye blower limited liability company. Shanxi nagorye Blower Co., Ltd. (www.sxgfj.cn) (www.sxfjgs.com) is an industry leader in Shanxi Xinzhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum limits to meet customer needs. In nagorye blower leadership with the staff warmly welcome all inquiries negotiations to create nagorye blower a better future. You can also access (www.sxfjgs.com/supply_details_45463410.html), for more information about the company.