What are the Six Big Losses of OEE we will see the impact directly the process of manufacturing aluminum cans (Front End).
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By Alonso Consulting
Brazil on 28 Sep 2022
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Do you know, what is OEE?
Means Overall Equipment Effectiveness.
It’s a measurement widely used as a KPI in Total Productive Maintenance (TPM) strategies, Lean Manufacturing, and Lean #Six Sigma.?OEE calculation is the product of availability, performance, and quality.
?1. Elimination waste:
???If your company have a?programmes, with focus to eliminating waste, you’ll need to tackle losses of OEE that compromise availability, performance and quality.
?1.1 Availability: breakdowns (unplanned stops) + setup & adjustments (planned stops)
1.2 Performance: idling and minor stops (small stops) + reduced speed (slow cycles)
1.3 Quality: defects (production rejects) + reduced yield (startup rejects)
?2. Six losses of OEE
????These are collectively known as the Six Big Losses of OEE. Here’s how each of them factors in OEE calculation (decreases).
?2.1 Breakdowns
??Breakdowns are sudden, major mechanical failures that make machines unavailable.
?2.2 Setup and Adjustment
??After a new asset is installed or after it’s overhauled, we?need to change a part or machine tooling, there’s a readjustment we need reduce the impact these planned stops on availability.
?2.3 Idling or Minor Stoppages
??In this case, production is halted or disrupted briefly: obstructed product flows, lack of raw material or tools, material jams.
?2.4 Speed
??Like idle time and minor stoppages, losing speed disturbs cycle time and impacts performance.
?2.5 Process defects and rework
??Process defects refers to defective parts, while rework takes into consideration parts that can still be salvaged and reworked.
?2.6 Startup losses or yield losses
???While machines are warming up, producing startup waste, or are newly installed and operators still don’t quite know how to operate them, the output decreases.
?3. Now we will know the main 17 Big Losses of #Front End:
???#Cupper press - #Bodymaker - #Trimmer?- #Line control: to each defect do you need to have a procedure #SOP (standard operating procedure ) with step-by-step safety, quality and operation (inspections and maintenance).
3.1 Dents
3.2 Scratches
3.3 Split dome
3.4 Smiling
3.5 Dome wrinkles
3.6 Sugar scoop
3.7 Tear off
3.8 Short can
3.9 Control line start/stop the machinery and conveyor.
3.10 Height of can
3.11 Change coil
3.12 Steps of can
3.13 Whiskers
3.14 Burrs
3.15 Leakage of air
3.16 Leakage of oil
3.17 Spoilage cups and cans
?So, now you know all the main types of defects you'll want to know what you can do to resolve of issues SOP is your guidance.
?Take a look at our post on #Manufacturing #aluminum #cans.
?Alonso, Marcos
#Consulting and services
Front End Technician
1 年Sir what is the difference between tear off and short can?