Knowledge Base:  

You are here: Knowledge Base : shaft
Page of 2
Laser Alignment of Cooling Tower Jack Shaft
Application Note Courtesy of Damalini Proper Alignment Will Reduce Your Carbon Footprint! Traditionally, maintenance departments do not sing their own praises. Maybe that should change? In many co
Bearing Failure Modes
Bearing Failure Modes This application note presents specific failure modes associated with machinery having journal bearings. Signal measurements presented here are time waveforms that
Comparing Vibration Readings
Comparing Vibration Readings Comparing vibration level readings taken by different types of instruments and transducers can be very confusing and can lead to mistrust of the systems involve
Dial Indicator Alignment
Dial Indicator Alignment Procedure The procedure for doing reverse dial indicator alignment is not a difficult one.  There are several steps which need to be taken for a s
Mounting Bearings Using Heat
Mounting bearings using heat The force needed to mount a bearing increases rapidly with bearing size. Because of the mounting force required, larger bearings cannot easily be pressed o
Field Application Note: Reverse Dial Alignment
Courtesy of STI Vibration Monitoring Inc. Misalignment can be the most usual cause for unacceptable operation and high vibration levels. New facilities or new equipm
Plumb Line Measurement
Application Note Courtesy of Damalini Measurement of straightness and center line relative to an absolute plumb line is done on for example turbine and generator shafts. The measurement program uses
SKF Bearing Greases and their Applications
Courtesy of SKF Maintenance Products      LGMT 2 SKF general purpose industrial and automotive bearing grease
Straightness Measurement
Application Note Courtesy of Damalini Straightness measurement is done on a large number of applications, for example balks, rolls, machine constructions, transportation lines etc. The basic
Balancing Unbalance is a very common source of high vibration that is identified by excessive levels of vibration amplitudes at a frequency that is synchronous with machine speed. Possib
Conventions This application note provides a set of conventions to provide order and meaning to how transducers relate to their mounting and the machine. Motion Towards Vibratio
Cooling Tower Fans
Cooling Tower Fans Cooling Tower Fans have applications in all industries. They remove heat from other materials, usually water. A cooling tower may consist of one cell or many individual cells
Differential / Rotor Expansion
Differential / Rotor Expansion Differential Expansion (DE) and/or Rotor Expansion (RE) are very important measurements usually supplied by the Original Equipment Manufacture (OEM) as part of a
Eccentricity Shaft Eccentricity plays a very important role as part of a Turbine Supervisory Instrumentation (TSI) System on large steam turbines and should be included in retro-fit p
Eddy Current (Proximity Probe) Transducer Installation: Part 1 Radial Vibration
Eddy Current (Proximity Probe) Transducer Installation: Part 1 Radial Vibration Eddy Current Transducers (Proximity Probes) are the vibration transducer of choice when installing vibrat
Fault Detection / OK Circuits
Fault Detection / OK Circuits Over the years, two methods of vibration transducer fault detection have become prominent: OK Circuits and Fault Detection Circuits. The objective of b
Field Wiring
Field Wiring There are a number of items to consider when installing a permanently mounted vibration monitoring system. One of the most critical considerations is the selection and insta
Journal Bearings
Journal Bearings Industrial machinery with high horsepower and high loads, such as steam turbines, centrifugal compressors, pumps and motors, utilize journal bearings as rotor supports.
Reciprocating Compressors
Reciprocating Compressors Reciprocating Compressors are utilized in all manufacturing industries. Because these machines are capable of providing high pressure along with variable loading,
Reverse Dial Alignment
Reverse Dial Alignment Mis-alignment can be the most usual cause for unacceptable operation and high vibration levels. New facilities or new equipment installations are often plagued