Ultrasonic Leak Detection: How Does it Work?
Ultrasonic Leak
Detection
How does it work???
As the name implies ultrasonic leak detectors detect the
ultrasonic sound of a leak. You are probably familiar with |
Flatness Measurement Application Note Courtesy of Damalini Flatness
Flatness
measurement is done on for example machine tables, wire parties in paper making
machines, flanges (circular planes), machine foundations |
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 |
Thermography
Thermography Courtesy of SKF Maintenance Products
Detect
hot spots before they cause trouble.
Since the dawn of the industrial age, temperature has been
us |
Lubricants
SKF Lubricants
The
perfect solution for every application
Courtesy of SKF Maintenance Products
Even the very best bearing can only show opti |
Field Application Note: Reverse Dial Alignment
Courtesy of STI Vibration
Monitoring Inc.
www.stiweb.com
Misalignment can be the most usual cause for
unacceptable operation and high vibration levels. New facilities or new equipm |
Gardening: Lighting Terminology & Lighting System Comparisons
Lumen: This is the basic unit of light. If you could grab a bunch of
light in your arms, the term lumen would describe the amount of light that you
have. Since this is the description of th |
Laser Sheave / Pulley Alignment Application Note
Large savings to be made with correctly aligned machines
A common misunderstanding is
that sheave/pulleys are not affected dramatically by misalignments. This
assumption has res |
Mounting & Lubrication
Courtesy of SKF Maintenance Products Prevent 16% of premature bearing damage
Around 16% of all premature bearing failures are a result of
poor fitting or using incorrect mounting techniques. |
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 |
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 |
Acceleration Enveloping Application Enveloping
Acceleration envelope measurements are a new introduction to the inventory available to vibration analysts. Although initially it would seem to be most useful for detecting |
Accelerometer Installation Guide
Accelerometer Installation Guide Table of Contents:
Section I :
Introduction
Section II :
Mounting Accessories
Installation Tools
Adhesives and Sealants |
Accelerometer Transducers and Installation
Accelerometer Transducers and Installation
Accelerometers have been a popular choice for
rotating machinery vibration monitoring. They are a rugged, compact, light weight
transducer wi |
Balancing
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 |
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 |
Classification of Machines Classification of Machines
This application note will provide a basis for
selection of the machinery list of a Predictive Maintenance (PM) data collector program.
Creating
a PM mach |
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 |
Conventions 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 |
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 |