Every year on March 15th is China's consumer rights day, and the annual 3.15 party has also become the highlight of the day. In summary, the CCTV 315 party in recent years has seen that while the Internet industry is increasingly penetrating into consumer life, it has gradually become a “hard-hit area†for consumer complaints, including technologies such as hungry, car-ease, Taobao, and interactive encyclopedias. Businesses have once "shot on the list." As a traditional manufacturing industry, the motor industry is also a frequent problem, let us look at the following motor industry have to say. Selling fake motor was sued Lee runs a motor sales business and Hwang drives an electric tricycle shop. The two have had business contacts since 2010. After several years of cooperation, Hwang found that Lee had a good reputation. The three or forty shipments he ordered were of good quality. On the evening of January 10, 2012, Lee sent a batch of motors to Huang. Hwang based on peacetime trust, did not open the carton inspection on the spot, paid RMB 18,000 to Lee on the spot. Afterwards, Huang discovered that there was a box leaking from the sand. He kicked and kicked, and the sand was getting more and more. He opened the paper box and looked at it, and suddenly stupidly stared at it—the motor case was old and was refreshed with paint. There is no enameled wire inside, and it is filled with stones or silt. So he checked all the motors and found that they were all fakes. Motor OEM Demand for electrical machinery in our country is increasing day by day. Many small workshop brands have sprung up. Due to the relatively difficult identification of technical requirements for ordinary motors, in addition to the nameplate outside the appearance of no other security signs, many small workshops to produce their own small motor workshop, after affixed to a large brand nameplate, sparrows become Phoenix, the industry said For "OEM". The quality of this motor is not guaranteed, the quality can not be compared with the original, in the production process and technology worse than more than one, here to appeal to consumers, you need to choose to buy authentic genuine motor manufacturers or official agents, In order to avoid unnecessary losses. Low-efficiency operating potential problems Overall, the operation of high-efficiency motors in China is relatively slow. The three-level energy efficiency division on the international standard is not limited to these three levels. IE4 and IE5 also exist. IE4 studies permanent magnet motors, which are more efficient and use permanent magnet technology. The permanent magnet technology needs to use rare earth, China is the world's largest exporter of rare earth, so it has absolute advantages. However, most of China's rare earths are used for export, and they are not really invested in R&D. In addition, there are still many problems and potential room for improvement in the motor market. Editors believe that producers should upgrade from multiple aspects. The first is to pay attention to the production and use of frequency converters. ABB, Siemens and other companies are doing motors and frequency converters, so that electric appliances can use frequency converters when there is no load, reducing the burden on the motor. This idea is worth learning from. Secondly, 50%~60% of the motors on the market are still IE1. Relative to the load, it is easy to form large horse-drawn cars. Many motors are large in scale, but in fact, the load is not enough. This kind of operation is inefficient and cannot fully realize the energy efficiency of the motor. Again, there is a lack of thinking about what happens under the control of no load. The last is the transmission system, including the conveyor belt. For example, there are many transmission devices in a car, and the power transmission is spent on the transmission system much more than the engine input. The cost savings with good conveyors can even reach 10%.
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