The motor is a device that converts electrical energy into mechanical energy and is widely used in industrial machinery and manufacturing industries. It generates a rotating magnetic field by the current-carrying coil (the stator winding) and acts on the rotor (such as a squirrel-cage type closed aluminum frame) to form a magnetic-electrical power rotating torque. The motor is divided into DC motors and AC motors, with AC motors dominating the power system.
Germany is a renowned technological powerhouse, with its motor manufacturing industry enjoying a high reputation globally. German motors are known for their exquisite craftsmanship, reliable quality, and scientific design, with companies like Flanders Group and Siemens Motors being representative. Japan's motor manufacturing technology is advanced, and its servo motor industry is well-known globally. Major Japanese motor manufacturers include Nidec, Toshiba Industrial Machinery Systems, and Mitsubishi Electric. The United States has a mature development of motor technology, particularly in the design and control strategies of induction motors, with companies like General Electric and Marathon Motors being prominent. Sweden's electrical machinery industry is also advanced, with ABB Group being a representative company.
Brazil, as a developing country, has a significant position in the global motor manufacturing industry, with WEG Motors being a notable example. Switzerland's mechanical and electrical metal industry has a long history, and the motor manufacturing industry is an important part of it. Swiss companies like Sonceboz are known for their innovative motor and actuator designs. Italy is a highly developed capitalist country and a major motor manufacturing power, with the LAFERT Group being the most famous.
In summary, the global motor manufacturing industry exhibits a high degree of specialization and internationalization. Motor manufacturers in various countries demonstrate excellence in technological innovation and product quality, collectively driving the continuous development of the global motor industry.