The Toyota Production System (TPS) is a philosophy of work design grounded in enhancing efficiency and eliminating waste. Introduced by Toyota, this systematic approach to production has greatly influenced the automotive industry-- becoming a globally recognized benchmark. The Two Pillars The Toyota Production System rests on two core … [Read more...]
Mean Time To Failure (MTTF)
If you buy an asset, whether it's a piece of machinery or a product, you can use Mean Time To Failure (MTTF) to know how long it's expected to last. It is a key metric for the reliability of a non-reparable object. It can be difficult to measure these by normal methods such as a run chart, as the data points are too far apart to show much useful … [Read more...]
What is MTTR and how do you reduce it?
MTTR is the average time that a system is down before it can be brought back to usefulness. It is essentially the average length of downtime. It has many names all starting the same way, such as Mean Time To: The different names usually relate to using MTTR in different industries, but the definition and calculation is always the same. It … [Read more...]
Mean Time Between Failures (MTBF)
Mean Time Between Failures or MTBF is a metric that is very helpful when measuring issues that don’t occur very frequently, and especially plant maintenance. When you are trying to reach Six Sigma, you should try to reduce issues such as defects, downtime, spills, safety issues etc until they very rarely fail.A graph of incidence of these occurring … [Read more...]
Overall Equipment Effectiveness (OEE)
Overall Equipment Effectiveness (OEE) is a key metric in Lean, and improving OEE is the main aim of Total Productive Maintenance. It measures the amount of output from a process compared to the maximum possible output. Why is OEE so important? When the plant is in downtime, you lose money. You will have other machinery, people and buildings … [Read more...]