Sigma motors successfully solved the rotor open-circuit fault of a mining company's JR series wire-wound motor.

This article records in detail the whole process of repairing the open-circuit rotor winding of JR137-4 type wire-wound motor for a large mining company by the professional technical team of Sigma Motor. Through accurate fault diagnosis and professional winding process, we not only solved the rotor winding open-circuit problem, but also established a perfect equipment health management system for the customer through a comprehensive preventive maintenance program. This case demonstrates the technical strength and service quality of Sigma Motor in the field of JR series wire-wound motor repair.