— Voltage imbalance.: A 3.5% imbalance will drive a 25% temperature increase — Low and high voltage — Single phase of a three-phase machine — Lightning, surges and switching spikes — Ungrounded power systems — Loose electrical connections — Inverter settings — Restricted ventilation — Using the wrong lubricant and the wrong amount — Overload […]
What are the top tips to ensure motor life? Confirm you have the correct motor for the application and location. Read, understand and save a picture of the nameplate. Install and properly align the motor. Establish a preventative maintenance program. Relubricate with the correct type and amount of grease. And, if your motor fails, contact […]
Electric motor running hot? Temperature can create both mechanical and electrical drive failures. What causes temperature changes in a motor? Location, restricted ventilation, overload, imbalanced voltage, low voltage, duty cycle and inverter induced heat are some examples. CMT repairs AC and DC electric motors.
City and county municipalities have many critical application motors, pumps and blowers. Examples of pumps in a city or county municipality include fresh water, sewer drainage, dam water level regulation, fire systems and wastewater. Examples of blowers in a city or county municipality include lobe design, screw design and turbo design for aeration. CMT can […]
CMT’s motor repair shop is located at 825 MLK Boulevard in Youngstown, Ohio. The buildings have 50,000-square-feet with cranes through 35 tons, in addition to 16,000-square-feet of engineering and technical labs. Providing customers with the latest advances in apparatus rebuilding and testing has been the highest priority of our motor repair shop. Since 1985, CMT […]
Many times an electric motor can be given new life by rewinding. Simply put, this is the process of removing the failed copper coils, making new and re-installing them in the motor core. Part of this renewal process involves a varnish treatment of some type, normally referred to a dip and bake. The varnish helps […]