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 |
Safety Data Sheets
Below you will find the safety data sheets of SKF lubricants and chemicals in all available languages.
The safety data sheets are in Acrobat PDF format allowing you to view, save to |
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 |
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 |
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 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 |
Field Service Field Service
Proper installation is critical to the
performance, integrity and credibility of your Vibration Monitoring or Information System.
A proper installation is dependent on, qua |
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. |
Predictive Maintenance Program (PMP)
Predictive Maintenance Program (PMP) A Quality Rotating Machinery Predictive Maintenance (PM) Program for your facility will return your investment many times over. This type of PM |
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 |
System Response System Response
An understanding of how a spring mass system
responds to vibratory influences is helpful in understanding, recognizing and solving many
problems encountered in vibrati |
Turbine Supervisory Instrumentation Turbine Supervisory Instrumentation
Improve Reliability and Performance with a TSI from STI Vibration Monitoring
STI’s Turbine Supervisory Instrumentation (TSI) Systems provide cont |
April 2013 Newsletter
|
Understanding Sound and Noise Levels
Environmental
Noise
Weakest sound heard
0dB
Whisper Quiet Library at 6'
30dB
Normal conversation at 3'
60-65dB |
Sound and Noise Exposure Facts Any exposure to noise above 85dB can damage the human hearing; as a rule of thumb, the ambient sound is too loud if you can not carry on a conversation without raising your voice. Occupational noise |