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You are here: Home / Archives for Articles

Articles

Find all articles across all article series listed in reverse chronological order.

by James Reyes-Picknell Leave a Comment

Building Excellence in Materials Management

Building Excellence in Materials Management

Welcome to part five of my 10-part series of blogs called “Uptime Insights”, where we explore a journey of excellence in maintenance. To stay on top, managers must implement strategies that keep operations performing at high levels.

In these articles, I will show you how to achieve excellence in maintenance – a critical business process in any capital intensive industry.

Uptime Insights Part Five:

Building Excellence in Materials Management

Without parts, many jobs can’t be done.  There’s no point planning and scheduling work if you can’t rely on materials management to provide the parts when you need them.  If you want excellence in maintenance you need excellence in materials management. [Read more…]

Filed Under: Articles, Conscious Asset, on Maintenance Reliability

by James Kovacevic Leave a Comment

See How Easily You Can Succeed in Reliability: 7 Critical Steps in Making Reliability a Way of Life

See How Easily You Can Succeed in Reliability: 7 Critical Steps in Making Reliability a Way of Life

Why is it that Reliability Programs often fail and are not sustained? Bringing about such a change in a large organization is often one of the most difficult tasks that we undertake.

This undertaking requires a shift in mindset and in the ways people work. People love the status quo and are often afraid of the change. We must show them that there is nothing to be afraid of and that the change will be beneficial.

[Read more…]

Filed Under: Articles, Maintenance and Reliability, on Maintenance Reliability

by Greg Hutchins Leave a Comment

The Unpredictability of Uncertainty

The Unpredictability of Uncertainty

Guest Post by Geary Sikich (first posted on CERM ® RISK INSIGHTS – reposted here with permission)

Introduction 

Recently I wrote an article titled “Can You Calculate the Probability of Uncertainty?” The article posited that the heavy dependence on mathematics to determine the probability of risk realization may actually create “false positives” regarding the basis for the determination of probability.

My point was that there is too much uncertainty, things that we just do not know, to be able to calculate the probability of uncertainty with any degree of confidence. I received several comments from readers telling me that I was confusing the issue and that determining the probability of risk is all about “uncertainty”.

I have to say that this gave me pause to think. And, my conclusion is that risk is all about the probability of identified certainties that carry an uncertain realization. [Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety

by Mike Sondalini Leave a Comment

Performance Reviews for the Crew

Performance Reviews for the Crew

One method to provide a formal means of appraising people’s performance is by using performance reviews. The employee and manager together use a structured check sheet to work through keys duties of the employee.

They address both the good, and not so good, aspects of performance. The end result is an unbiased assessment of the employee’s current performance and a plan to improve it over the coming year.

Keywords: rating scale, verifiable, performance standards. [Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Mike Sondalini Leave a Comment

Chain drives – some experiences in the field

Chain drives – some experiences in the field

Chain drives are used when precise speed ratios are required between the driver and driven shafts. A chain drive allows no slippage. An example is on a gearbox driving a conveyor. Chain drives are also used when a large amount of power is required through the drive. For example the drive on large rotating kilns. [Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Fred Schenkelberg 9 Comments

Bartlett’s Test for Homogeneity of Variances

Bartlett’s Test for Homogeneity of Variances

A common assumption when comparing three or more normal population means is they have similar (the same) population variances.

ANOVA and some DOE analysis results rely on the underlying data having similar variances. If this assumption is not true, the conclusions suggested by the ANOVA or DOE may be misleading.

It doesn’t take long to check. [Read more…]

Filed Under: Articles, CRE Preparation Notes, Probability and Statistics for Reliability Tagged With: Hypothesis testing

by Fred Schenkelberg Leave a Comment

Plot Your Derating Guidelines

Plot Your Derating Guidelines

The concept of derating is similar to the mechanical engineering concept of a stress–strength analysis.

The intent is to ensure that the selected component or the mechanical design has sufficient strength to withstand the expected applied stresses.

Components operating at or near their rated values have short lives. Consequently, the general practice is to use components for materials well below their rated values to extend the operating life of the items.

This is where derating comes into play. [Read more…]

Filed Under: Articles, Musings on Reliability and Maintenance Topics, on Product Reliability Tagged With: Derating

by nomtbf Leave a Comment

Math, Statistics, and Engineering

Math, Statistics, and Engineering

14586673050_b71972cc74_m_dMath, Statistics, and Engineering

In college, Mechanics was a required class from the civil engineering department. This included differential equation.

Luckily for me, I also enjoyed a required course called analytical mechanics for my physics degree. This included using Lagrange and Hamiltonian equations to derived a wide range of formulas to solve mechanisms problems.

In the civil engineering course, the professor did the derivation as the course lectures, then expected us to use the right formula to solve a problem. He even gave us a ‘cheat sheet’ with an assortment of derived equations. We just had to identify which equation to use for a particular problem and ‘plug-and-chug’ or just work out the math. It was boring. [Read more…]

Filed Under: Articles, NoMTBF Tagged With: Statistics concepts

by James Kovacevic Leave a Comment

How to Measure Success: The 7 Key Performance Indicators You Must Measure

How to Measure Success: The 7 Key Performance Indicators You Must Measure

Being able to see what world class Reliability & Maintenance looks like is one thing. Communicating that success and level of performance to non-maintenance people can be difficult. Not to mention, that we always need to improve, and how can we if we only use qualitative measures?

I remember one time, trying to explain how Maintenance Planning & Scheduling has improved our maintenance department. I used explanations like; “The team isn’t wandering around looking for parts” and “They don’t need to leave the job to get the manuals anymore”. I was met with blank stares and was asked “How much were we saving on labour” and “How much were we able to reduce planned downtime”. [Read more…]

Filed Under: Articles, Maintenance and Reliability, on Maintenance Reliability Tagged With: Metrics

by James Reyes-Picknell Leave a Comment

Basic Care Leads to Reliability

Basic Care Leads to Reliability

Welcome to part four of my 10-part series of blogs called “Uptime Insights”, where we explore a journey of excellence in maintenance. To stay on top, managers must implement strategies that keep operations performing at high levels. In these articles I will show you how to achieve excellence in maintenance – a critical business process in any capital intensive industry.

Uptime Insights Part Four:

Mastering Basic Care to Achieve Excellence

Like the human body, our plant and mobile equipment will break down if it’s not looked after.  It will tolerate some abuse but it won’t do it forever and it won’t do it if you don’t take care of it at a basic level. Basic care is all about taking care of our physical assets so they continue to do what we need them to do.  To choose excellence it’s essential to master the basics.  They keep you compliant with regulations and keep you operating. Beyond them you expand in the direction of excellence. [Read more…]

Filed Under: Articles, Conscious Asset, on Maintenance Reliability

by Greg Hutchins Leave a Comment

Future Proofing the Process of Active Analysis

Future Proofing the Process of Active Analysis

Guest Post by Geary Sikich (first posted on CERM ® RISK INSIGHTS – reposted here with permission)

Overview 

The ability to effectively respond to and manage the consequences of an event in a timely manner is essential to ensure an organization’s survivability in today’s fast paced business environment. With the emergence of new threats, such as cyber-terrorism and bio-terrorism; and the increasing exposure of companies to traditional threats such as, fraud, systems failure, fire, explosions, spills, natural disasters, etc. an “integrated” approach to Business Continuity Planning is essential. [Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety Tagged With: Risk management process

by Mike Sondalini Leave a Comment

Job Types on Work Orders

Job Types on Work Orders

Historically numbers have been used to represent the work type.

As numbers are not a universal human method of description, the work type is also described using words.

The proper choice of words is critical if classification errors are to be minimized.

Keywords: CMMS, computerized maintenance system, breakdown, corrective, work order, implementation.  [Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance Tagged With: CMMS

by Fred Schenkelberg Leave a Comment

Survey Results for 2016 CRE Preparation Recommended References

Survey Results for 2016 CRE Preparation Recommended References

The Survey Results Are In

Here the 2016 survey results as reported by the TypeForm survey tool. [Read more…]

Filed Under: Articles, CRE Prep, CRE Preparation Notes

by James Reyes-Picknell Leave a Comment

Building an Effective Work Management System

Building an Effective Work Management System

Welcome to part three of my 10-part series of blogs called “Uptime Insights”, where we explore a journey of excellence in maintenance. To stay on top, managers must implement strategies that keep operations performing at high levels. In these articles I will show you how to achieve excellence in maintenance – a critical business process in any capital intensive industry.

 Uptime Insights Part Three:

Building an Effective Work Management System

At the core of the maintenance function is work management – a six step process for getting maintenance work done.  Without it workforce deployment becomes reactive to emergencies and maintenance costs are high.  Work done in those reactive situations is anywhere from 1.5 to 3 times as expensive as work that is fully planned and executed on schedule.  In some industries the cost of emergency work is even higher.  If you choose excellence then master the work management process. [Read more…]

Filed Under: Articles, Conscious Asset, on Maintenance Reliability

by James Kovacevic Leave a Comment

The Top 10 Signs That You Have a World Class Reliability & Maintenance Program (Part 2)

The Top 10 Signs That You Have a World Class Reliability & Maintenance Program (Part 2)

Last week we had the opportunity to view the first five of the top 10 signs that you are Maintenance & Reliability Best Practices by Ramesh Gulati. I hope you were able to compare your operation to the first five and see where you are excelling and where you may have challenges.

Those first five focus on the specific work streams in Reliability & Maintenance. These next five are a combination of the main work streams and the foundations to a successful operation. [Read more…]

Filed Under: Articles, Maintenance and Reliability, on Maintenance Reliability Tagged With: Maintenance program

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