RMS, MaxRMS, Peak and CrestFactor are condition indicators that give insight to the current state of rotating assets. Each help determine the condition of a bearing in it's own way. A quality

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Work Execution Management

Measuring the Central Hub – Planning and Scheduling Metrics

We constantly hear about metrics like OEE, PM Compliance, and Schedule Compliance that help measure productivity, availability, and the maintenance work management process as examples. In the

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Asset Condition Management

Analyzing Phase to Phase Resistance

Connection problems are a common issue encountered during electric motor testing. This is particularly noticeable when you first implement a motor circuit testing program. Simply put, resistance

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Work Execution Management

How Important is Leadership in the Success of Asset Management or Asset Reliability Improvements?

Commitment from senior management is a critical precondition for a successful asset management system. Although incremental improvement projects can be initiated throughout the organization, it

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Work Execution Management

Carbon Brush Wear in DC Motors and Generators Caused by Silicone

It is known that the presence of silicone will cause very rapid wear of carbon brushes. The wear rate can be many times greater than the rate of wear would be if no silicone present. The The ...

Asset Condition Management

Things Every Vibration Analyst Hates to Hear!

Every analyst has a few things they really don't want to hear during the course of their work. These comments often indicate that proper maintenance
activities have not been performed on the equipment, or convey unrealistic expectations of the analyst's abilities. For instance:

"It has always run like that!"
"It really was

Work Execution Management

Maintenance Planning and Scheduling Metrics

Ideally as a rule of thumb, you should have two leading metrics for every lagging metric. Leading metrics are performance drivers. Utilizing them allows you the opportunity to make ...

Asset Condition Management

Ultrasound Finds Unexpected Lubrication Problems

While testing bearings at a major mid east cereal manufacturer high ultrasound readings were recorded on one of 7 cookers. After lubricating the bearing with the prescribed amount of grease the

Later it was discovered that the thickener had separated from the grease and clogged the cage preventing new grease from reaching the rolling elements of the bearing.

Don't just grease bearings with ultrasound, diagnose unusual problems too.

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Asset Management

Setting goals with Service Level Agreements

The concept of the Service Level Agreement (SLA) originated in the IT industry. In the 1980s, when IT began playing an increasingly dominant role at companies, the need arose to professionalize

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Asset Condition Management

Path of Least Resistance

When outfitting a reservoir or tank with a desiccant or particulate breather, the fill cap and all other openings must have some form of seal to prevent contaminated air from bypassing the

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Asset Condition Management

Top 5 Items to Have in Your Infrared Camera Case

People often say that experience is the best teacher and some cases it is hard to argue against that saying. Experience is the reason that seasoned tradesmen will often have task specific tools

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Leadership for Reliability

Leadership in Maintenance - Practical Implementation of Work Order [Back] Logs

I interviewed a mine operations manager in Newcastle, Australia, who said, "I have no idea what work orders or reliability improvements have been finished in the past week or which ones will be ...

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