MRO Magazine

Category
Machinery and Equipment Maintenance

Feature
April 1, 2007  

Big Changes Begin

This article is part of an ongoing series. The introduction appeared in Machinery & Equipment MRO’s February 2005 issue and the series has run in every issue since. Previous instalments are archiv…

Feature
April 1, 2007  

Wrong bearing direction causes failure

Problem: NTN was approached to examine a failed 7016 angular contact ball bearing from a pump assembly. Rather than achieving the 60,000-hour design life, the bearing was removed from service after on…

Feature
April 1, 2007  

The Dangers of Confined Spaces

Confined spaces are one of the least-liked places to do maintenance work. They’re usually awkward to access and tight to move in, and it’s a pain getting all your tools and supplies in and out. Yet wo…

Feature
April 1, 2007  

NDT Sees What You Can’t

Everything man-made wears out and breaks. Maintenance crews want to know when parts will fail so they can change them out before they interrupt production. In the case where equipment does break unexp…

Feature
April 1, 2007  

Understanding Bearing Failure

Undesired bearing failures do occur. However there is a lot of information that can be taken from a bearing failure that can be used in the corrective action process.

Feature
February 1, 2007  

Troubleshooter’s Guide to Vibration (February 01, 2007)

The application of vibration analysis should be part of any proactive total equipment management program. A regularly scheduled vibration analysis program can be carried out by in-house vibration tech…

Feature
February 1, 2007  

Perfect Ride

It is still dark at 0500 hours on Sainte-Hlne Island in the middle of the Saint-Lawrence River just across from Montreal’s Old Port. The Jacques Cartier bridge looms over maintenance workers fanning…

Feature
February 1, 2007  

Welding Stainless Steel With the Gas Metal Arc Process

Problem : I’ve had trouble welding stainless steel plate in the past. Are there any tips that would help?

Feature
February 1, 2007  

Harmony: Water & Bearings Can Get Along

It’s a well-known fact that water and bearings don’t get along. Or is it?

Feature
February 1, 2007  

Smart Weapons for Maintenance

Maintenance practices and philosophies have evolved greatly throughout the years, driven by the need of industry to reduce maintenance costs, to increase productivity through reduced downtime, and to …

Feature
February 1, 2007  

Learning Geometric Measurement

While at a recent maintenance conference where I was conducting a workshop on fundamental maintenance, I was asked about the future of machinery installation. My immediate response was that geometric …

Feature
February 1, 2007  

Maintenance on the Move

This article is part of an ongoing series. The introduction appeared in Machinery & Equipment MRO’s Feb. 2005 issue and the series has run in every issue since. Previous instalments are archived o…

Feature
June 1, 2006  

Thermal imagers let you see the heat

Predictive maintenance (PdM) is more than just a buzz-word. It involves tracking key indicators over time to predict when equipment will need repair. Why? Because the ‘run-to-failure’ approach to equi…

Feature
June 1, 2006  

A Twisted Tale

At a manufacturing plant one hot summer day, HVAC installers were preparing to measure the cool fruits of their labour. They inserted a thermocouple probe into a gleaming new air conditioning duct, pa…

Feature
June 1, 2006  

Extend bearing life with proper handling

All bearings are very precise mechanisms that, in many cases, have geometrical tolerances measured in millionths of an inch. When handling, inspecting or mounting bearings, one should treat them as pr…

Feature
June 1, 2006  

No room for errors

With a total annual capacity of 2.5 million tons of pulp, paper and containerboard, Vancouver-based Catalyst Paper Corp. has no time for shutdowns and no room for errors. But aging drive technology an…

Feature
June 1, 2006  

Safeguarding against lubrication woes

Without a proper lubrication program, maintenance managers run the risk of lost revenue through downtime, repair and damaged equipment, in addition to poor reliability and high energy consumption due…

Feature
June 1, 2006  

Troubleshooting Your Compressors (June 01, 2006)

Part 1: Compressor types and applications, air and gas compressor troubleshooting guide (Feb. 2006 issue). Part 2: Preventive/predictive maintenance and condition monitoring recommendations (April 200…

Feature
June 1, 2006  

Learning to use the system

This article is part of an ongoing series. The introduction appeared in Machinery & Equipment MRO’s Feb. 2005 issue and the series has run in every issue since. Previous installments are archiv…

Feature
June 1, 2006  

Auditing Maintenance Operations

A few weeks ago we were in Las Vegas, holding a conference there for our customers. At the end of our conference we spent a day auditing one of our manufacturing customers just outside the city. The p…

Feature
June 1, 2006  

Keeping safe around lasers

“When the beam struck my eye, I heard a distinct popping sound caused by a laser-induced explosion at the back of my eyeball. My vision was obscured almost immediately by streams of blood floating…

Feature
June 1, 2006  

Troubleshooter’s Guide to Test & Measurement Technologies

The monitoring of equipment condition has been around ever since man created the wheel. When the wheel squeaked and the wheel hub began to burn, man learned to grease the wheel with tallow. As the app…

Feature
June 1, 2006  

Why stored AC drives can be dangerous

As a company in the variable speed drive service business, a client recently asked us to come to its facility to enter a program in a replacement drive. A 40-hp, 600-volt PWM (pulse-width-modulated) i…

Feature
June 1, 2006  

Finding the Hot Spots

A rattlesnake can see the heat of its prey in the infrared spectrum, while a human can feel some infrared radiation as heat. To detect the heat given off at the location of a poor electrical connectio…

Feature
June 1, 2006  

Better lubrication?

Problem: I was sure I was lubricating a motor’s bearings properly, but they failed anyway. What’s up?…

Feature
April 1, 2006  

How to extend the service life of bearing units

Bearing units (bearings pre-mounted in housings) are being used more commonly in industry because they can be fitted easily and will function efficiently on various machinery parts. However, attention…

Feature
April 1, 2006  

Open to New Ideas

Imagine how inspiring it would be if every improvement that came out of your maintenance department was rewarded with a cash deposit into your budget….

Feature
April 1, 2006  

Troubleshooting Your Compressors (April 01, 2006)

Part 1: Compressor types and applications, air and gas compressor troubleshooting guide. (see Feb. 2006 issue). Part 2: Preventive/ predictive maintenance and condition monitoring recommendations.(…

Feature
April 1, 2006  

How Root Cause Analysis aids in shutdowns

This article is part of an ongoing series. It first appeared in Machinery & Equipment MRO’s Feb. 2005 issue and has run in every issue since. Previous installments are archived online at <a hre…

Feature
April 1, 2006  

Virtual gauges measure maintenance success

Let’s take a look at one of the latest additions to popular CMMS programs — something known as the ‘dashboard.’…