Dear friends, we are happy to release this video on confidence interval when population standard deviation is known. This is part-1 of our series on confidence intervals.
[Read more…]Articles
Find all articles across all article series listed in reverse chronological order.
Overcoming Challenges in Implementing a CMMS or EAM System
by Paul Crocker, CMRP, CAMA2, VIB1
Implementing a CMMS (Computerized Maintenance Management System) or EAM (Enterprise Asset Management) system can be a complex process fraught with challenges. However, organizations can effectively navigate these hurdles with the right strategies and tools.
[Read more…]How to Assign Preventive Maintenance Intervals with RCM
Hi everyone, I’m Nancy Regan, coming to you from Key Largo, Florida! In today’s video, I’m breaking down how to determine if a preventive maintenance task is the right action to take and how often it should be done, using the principles of Reliability Centered Maintenance (RCM).
I’ll walk you through a simple example—changing the engine oil in my 2014 Subaru Forester—and explain how preventive maintenance task intervals are assigned based on the Useful Life. You’ll learn how to assess the useful life of your assets and decide when to perform a scheduled replacement or a scheduled restoration task. I also demonstrate this using failure pattern B, showing you the conditional probability of failure.
[Read more…]The Power of the Damage-Endurance Model
Unlocking Reliability: The Power of the Damage-Endurance Model in Product Development
Reliability is at the heart of robust product design. Engineers and reliability professionals continuously seek ways to predict, assess, and improve product longevity. One fundamental approach to achieving this is the Damage-Endurance Model, a powerful tool in reliability engineering that helps quantify failure risks and optimize designs.
[Read more…]MTBF is Not a Duration
Despite standing for the ‘time between failures’, MTBF does not represent a duration. Despite having units of hours (months, cycles, etc.), it is not a duration-related metric.
This little misunderstanding seems to cause major problems. [Read more…]
How to Define Proper Product Reliability Goal
Defining a proper product reliability goal is a critical step in ensuring that a product meets customer expectations and performs adequately throughout its intended lifespan. This also involves a careful balance between the required level of reliability and the associated costs and complexities of achieving that reliability.
[Read more…]Equipment Failure Probability Density Functions
Charting historic equipment failure events visually shows the Failure Probability Density Function curve for that equipment. It is also known as a Failure Density Distribution Curve.
VALUE OF A DISTRIBUTION CURVE
Failure Probability Density Function curves, Failure Density Distribution Curves contain useful information about what has happened to equipment. These curves illustrate the chance of failure of an equipment over a period. Here, our fixed variables are the equipment’s components’ material-of-construction and design. As such, the only changing variable is the operating and maintenance strategies, including work processes, used by the company.
[Read more…]The Two Types of Agility You Need
Guest Post by Howard Wiener (first posted on CERM ® RISK INSIGHTS – reposted here with permission)
If your business is going to survive, you must be able to read and react to changes in your markets and continuously improve your competitive position. It’s more important now than it’s ever been.
SWOT is a model often employed to characterize a company’s competitive position in terms of Strengths, Weaknesses, Opportunities and Threats. If a competitor creates a new offering that you can’t match, that’s a weakness. If you have one that they can’t match, it’s a strength.
[Read more…]Exponential Probability Plotting on Excel
Dear friends, we are glad to release this interesting video. In this video, Hemant Urdhwareshe explains procedure for probability plotting of failure data in Exponential Distribution using Excel. Hemant is a Fellow of ASQ and is certified as CRE, Six Sigma Master Black Belt, CQE and CMQ/OE by ASQ.
[Read more…]How RCM Transforms Your Reliability Culture
In today’s video, I’m at Lover’s Leap in Chattanooga, Tennessee, exploring how to build an effective Reliability Culture using Reliability Centered Maintenance (RCM). A common challenge in many organizations is the disconnect between teams — Maintenance, Operations, and upper management aren’t always on the same page, which can lead to costly downtime, safety issues, and inefficiencies.
But there’s hope. By adopting a Facilitated working group approach to RCM, you can bring your teams together with a shared goal — good Reliability. In this video, I share how RCM can foster understanding amongst team members, break down silos, and create an effective Reliability Culture that leads to better performance and a solid Return on Investment (ROI).
Key Points Covered:
- The impact of team misalignment on Reliability
- How RCM brings Maintenance, Operations, and Management together
- Why cultural change is a powerful outcome of RCM
- The long-term benefits of implementing RCM for your organization
- Don’t let your teams operate like feuding families!
Watch the full video to see how RCM can help transform your organization over time.
[Read more…]Quality Objective 1: FMEA PLAN
Good fortune is what happens when opportunity meets with planning Thomas Edison
As summarized in the first article in this series, “New Series – The Quality of FMEAs,” each month, I will write an article focusing on one of the 14 FMEA Quality Objectives. The intent is to provide insights and application tips for evaluating how well an FMEA meets the quality objectives. By learning to apply FMEA quality objectives, you can help to ensure that product designs and manufacturing processes are safe and reliable. If you didn’t read the introductory article, now is a good time to read it, since it explains FMEA Quality Objectives, and how they are used to create high-quality FMEAs.
In this article, I will outline how to evaluate an FMEA Plan against the FMEA Quality Objective for FMEA Plans.
What is GR&R (video)
Gage repeatability and reproducibility (GR&R) is a statistical tool used in quality control to assess a measurement system’s capability. It evaluates the amount of variation in the measurement data that is due to the measurement system itself rather than the product being measured. GR&R helps to determine if a measurement system is reliable and whether it’s producing repeatable and reproducible measurements.
[Read more…]Pakistan Budgets with MTBF
Now for something completely different. Roaming the net looking for an interesting advertisement or data sheet with a ‘great’ (i.e. bad) example of the mis use of MTBF, ran across that MTBF is actually being used by at least one government for department budgeting.
[Read more…]CMMS & EAM Implementation Errors and What to do About Them
You probably have a computerized system for managing maintenance. It might be part of your integrated management software, like Oracle, or SAP. The business cases for initial purchase of these systems often include forecast cost savings of 20% or more. Most of the time, they fall far short of that. In fact, the costs of the new system, its implementation, the staff required to support and run it, the training needed for users, can easily grow bigger than the costs you had before the system was implemented.
[Read more…]A Common Misunderstanding about Reliability Centered Maintenance
Reliability Centred Maintenance (RCM) was developed by the aircraft industry and it has now migrated into industries across the world. The aircraft industry does RCM differently to other industries. RCM fails in general industry because inherent problems in the business design of most organisations are prevented in the airline industry with business processes imposed by legal regulation. Using the RCM methodology does not instil the business disciplines needed for RCM to deliver its benefits.
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