wolong nanyang Schorch brand YBU/YBUS/YBUD series tunnel boring machine flameproof three-phase asynchronous Electric Motor for tunnel boring machine,designed in accordance with the coal industry standard .is a special motor for driving the cutting part of cantilever tunnel boring machine and other similar machinery in underground coal mines. The motor has the characteristics of high efficiency, large stall torque, beautiful appearance, safe and reliable operation, long life, excellent performance, easy installation, use and maintenance.