An article on the Industry Week's website TRG - Learn How to Use It Right clearly explains what is Taux de Rendement Global (TRG) and how to use it.
"Put simply, TRG assigns numerical value to improvement opportunity. It factors in the availability, performance and qualité of output of a given piece of équipement and tells you this:
How much right-first-time product did this machine produce
compared to what it should have produced
in the allocated time?
In other words, is a piece of équipement effective within its value stream? Does it let you meet present or future customer demand? If not (and this is critical), TRG helps you analyze the reasons why so you can address them systematically."
How is TRG calculated
TRG (%) = Availability rate × Performance rate × Quality rate
Availability rate (percentage of time the machine is ready to produce, working properly, and not in the midst of changeovers or adjustments) = Available time (scheduled operating time − temps d'arrêt) ÷ Scheduled operating time.
Performance rate (ratio of output produced compared to a standard) = Actual output ÷ Standard output.
Quality rate (ratio of good output compared to actual output)= Right-first-time output ÷ Actual output.
How to Use TRG
The author of the article in Industry Week highlights 4 key uses:
- Use TRG as an improvement metric.
- TRG is best used on a single piece of équipement or synchronized line.
- There is no absolute that works as an TRG benchmark or target – it’s relative to your situation.
- As a Yardstick for measuring improvement
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SOURCE: http://www.industryweek.com/qualité/oee-learn-how-use-it-right
