Field Balancing
One common definition of balance is when the mass centerline and the rotational centerline of a rotating part are equal. Another definition is when zero vibratory force or vibratory motion is imparted...
Use a mathematical model that estimates vibration at the top bearing of a motor used on a vertical, wet-pit, column type pump.
Q. What information is available regarding NPIPA and NPIPR for rotary pumps? A. Net positive inlet pressure available (NPIPA) is the algebraic sum of the inlet and barometric pressure minus the...
Vibration changes can indicate cracks in pump rotating components, which can cause severe malfunction and failure.
The reliability of high-speed and high-pressure pumps is crucial to several industries in the Middle East and North Africa. Oil and refinery services and desalination operations, for example, depend...
Reduce high vibration and increase reliability with CST gear motor technology in power generation applications.
Previous articles in this series explained how oversized piping systems can have higher operating and maintenance costs. Higher maintenance costs can adversely affect the reliability and uptime of...
Everybody knows that a rotating part or pump is going to produce vibration. Service personnel in the pump repair business, the air compressor industry, and electrical power generator providers all...
Revisiting the fundamentals of data examination, time and resolution can solve equipment issues before they happen.
Top-of-Motor Vibration
A simple mathematical model can be used to estimate vibration at the top of the motor in a vertical pump-motor structure.