OSHA Quick Card

Electrical Safety Electrical hazards can cause burns, shocks and electrocution (even death). Assume that all overhead wires are energized at lethal voltages. Never assume that a wire is safe even if it appears to be insulated.Never touch a fallen overhead power line. Call 911 and the electric utility company to report fallen electrical lines.Stay at... Continue Reading →

Motor Bearing Current Issues

Part 1 of a 2 Part Series on Motor Bearing Current Failures More and more motors these days are being controlled by variable frequency drives. Often, the drives result in premature bearing failure due to stray currents. These currents result from the common mode voltage produced by the drive. As seen in the figure above,... Continue Reading →

Common Motor Installation Mistakes

Common Motor Installation mistakes that lead to Premature Failure Two  Motor Installation issues that often lead to premature Failure include Soft Feet and Shaft Misalignment. Soft Feet – this occurs when the four feet of the motor and connected mounting surface are not in the same plane.   This problem is best illustrated as follows: This... Continue Reading →

Create a free website or blog at WordPress.com.

Up ↑