Different excitation mode DC motor with different characteristics. The main excitation mode is generally DC motor and excitation type, series and compound excitation excitation type motor used, mainly DC generator excitation mode excitation type is his, and Reed and compound excitation type and style. Rotor motors commonly used silicon layers from price, less the number of slots than the electromagnetic DC motor rotor. Small motors used in VCR majority of 3-slot, more upscale 5 slot or 7 slot. Enameled wire around the rotor core between two slots (three slots that is three windings), which are each welded joints in the metal sheet commutator. Motor Brand | Motor | liter by liter Rui Rui Electrical and Mechanical Ventilation and Air Conditioning Electrical Equipment Factory. L Rui HVAC Electrical Equipment Factory (www.dzsrxfkt.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Swiss mechanical and electrical liter into the brilliant and you work for a better future!