nema23 закрытая петля 1.3n.m сервомер шаговый мотор 4a 57eh56a4001 с cl57 hybrid step-servo driver cunc controller kit

features: 1.adopting high quality motor steel material, with high torque, low self-inductance reactance, responsive and can avoid system error. 2.there is rotor rubber covering the rotor, effectively reduce the noise. 3.this small motors can be used in various area, such as stage lighting; laser engraving; textile machinery; equipment; placement machine; non-standard equipment; 3d printer; automation equipment, and etc. descriptions: 1.high quality and durable in use.