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asset condition management

How do you Determine Whether to Repair or Scrap an Electric Motor?

a. Is the motor greater than 25 horsepower? If the motor is greater than 25 horsepower, the first step would be to price a new motor, and compare it to the quote from the motor repair ...

Flash Over on Wound Rotor Motor Slip Rings

Preventing flash over on a Wound Rotor Motor's (WRM) slip rings requires periodic inspection and testing of the rotor's insulation system. The point of the rotor's lowest insulation resistance on

Don’t Forget the Walk Around

Believe it: Visual inspection of plant equipment is one of the most useful tools available. A good set of eyes and the ability to see subtle changes in equipment is invaluable. For over two

Automatic Bearing Lubricators

For certain applications, automatic bearing lubricators provide an alternative to manual electric motor bearing re-lubrication. These self-contained units, which deliver lubrication to bearings

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What is Shock Pulse Method?

Shock Pulse Method is a signal processing technique used to measure metal impact and rolling noise such as those found in rolling element bearings and gears. Much more refined than other high frequency measurements, Shock Pulse is widely used throughout the world as a basis for predictive maintenance. Rolling element bearings are the most common measurement for Shock Pulse but the measurement technique has a number of other applications such as gear condition, compressor condition and other applications where metal-to-metal contact is a source of wear.

Comparing Electrical Signature Analysis (ESA) and Machinery Vibration Analysis (MVA) 004

Comparing Electrical Signature Analysis (ESA) and Machinery Vibration Analysis (MVA) 004

Rotating machinery exhibit specific characteristics when faults create unwanted mechanical motion. For over 70 years Machinery Vibration Analysis has been the main method used to identify many of these faults. Recent experience and research have proven that many of these same faults can be identified using Electrical Signature Analysis (ESA). ESA also provides very important information regarding the condition of the incoming power to the motor, as well as possible electrical faults in the motor system undetectable using MVA. This presentation discusses the faults that are identified and how they present themselves in both the Vibration spectrum and the Electrical spectrum. ESA is emerging as a very important part of a plant's Electrical predictive maintenance program. In some plants it is being used as the main detection tool used to identify both electrical and mechanical problems on machines which are driven by electric motors.

Definition: Condition Based Maintenance (CBM)

Direction of maintenance actions based on indications of asset health as determined from non-invasive measurement of operation and condition indicators. CBM allows preventative and corrective

Machinery Alignment and Soft Foot

Measuring machinery misalignment with today's tools, particularly computerized laser alignment systems and well-designed bracketing, is no longer as difficult a task as it once was, when all you

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Sof Shoe Soft Foot Tip

While checking for Soft Foot with either dial indicators or a laser, use a set of feeler gages to measure the gap under each corner of every foot. This simple and quick step will identify if

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PDCA – Plan Do Check Act

You are taking vibration data on all of your critical assets and also all essential assets. Yet, you still feel overwhelmed and some assets are stretched beyond their data collection interval.

Vibration and Ultrasound Together

Supplementing vibration testing with spectral analysis of the output signal from the ultrasonic detector can be a helpful tool when used for the analysis of bearing and other types of

Confidently Diagnosing Misalignment With Vibration Analysis

Confidently Diagnosing Misalignment With Vibration Analysis

Using brand new 3D animations, we will explore the physical motion associated with misalignment and explain why we see the characteristic vibration patterns that are common when machines are misaligned.

We will also discuss why misalignment is so often misdiagnosed. We will introduce phase analysis, and demonstrate how two channel analyzers make phase analysis very easy to perform, and how it helps us to accurately diagnose misalignment.

1) How does the vibration pattern change when machines are misaligned

2) How to accurately diagnose misalignment

3) Why phase analysis is such a useful tool

Reliability Centered Lubrication

Reliability Centered Lubrication

A 12 minute iPresentation Tutorial by Matt Spurlock of Allied Reliability

Allied Reliability has developed a process for designing and implementing high quality Reliability Centered Lubrication programs. With established standards and procedures in place, RCL is the best choice for plant lubrication and oil analysis.

Research and Markets Announced the Addition of Research Report of Thermal Infrared Imager Industry

Research and Markets has announced the addition of the “Research Report of Thermal Infrared Imager Industry in 2009” report to their offering.

Equipment Reliability is Vital in the Power Industry - Transition Your Asset Care Program to CBM

Transition your asset care program to condition-based, particularly when assets directly impact a single generator output. Reliability improvement is critical to eliminating unplanned plant

Inspection Beyond Vibration Pays Dividend

I would like to share with everyone an instance that came up with my partner and I during a time we were setting up a data base and rounds on critical machinery for monitoring at a large and

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Balancing Without Phase

Often by necessity, sometimes by preference, it may become necessary to balance a rotating machine or part under conditions where a phase measurement is either impossible or unavailable. In this

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Always Set Up Trend Parameters in Your Vibration Database

Defects occur at specific frequencies in relationship to the running speed of the equipment. Most vibration analysis software will allow these specific frequencies (bands) to be measured and

Vibration Analysis - Rules of Thumb for “Windows”

Almost all vibration data collectors, analyzers or software have an option to select the "window type" to use for a particular measurement. In short, when sampling and digitizing vibration data,

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Making Sense of Motor Testing

Making Sense of Motor Testing

This iPresentation Tutorial will cover the application of motor testing with respect to specific failure modes. We will cover what each test can tell us about the motors environment, operational characteristics and it's condition. The value in understanding the how a motor can fail and how motor testing can forecast this failure is essential for an effective motor reliability program.