OEE (Overall Equipment Effectiveness) is a general effectiveness indicator for industrial machines. In a simple way you can say that it shows how effective is a production machine. A good OEE value is considered above 85%. To get the result where OEE is 100%, the shift should pass by without any unplanned interruptions or scrap also the machine should work with maximum speed.

OEE formula: OEE = Availability X Performance X Quality

Availability = Run Time / Planned Production Time Planned Production Time = Shift time in period - Recurring interruptions in period - Planned interruptions in period Run time = Active minutes in period i.e minutes where machine is working above minimum production value and machine is not stopped for more than minimum interruption minutes (Loading time)

Performance = Total Count / Ideal Run Rate Ideal Run Rate is considered from Machine's or product's Maximum production Performance is considered only in active minutes. Performance is 100% when only work time is measured i.e only Availability component in OEE is considered

Quality = Good Count / Total Count Quality is 100% when quality is not measured separately and/or Quality calculation based on Scrap entry is not turned on

Even though OEE in production companies is a great unit of measurement, it is still necessary to find out what produces any kind of losses; and how to deal with them.

The main value of OEE is understandig the losses: avalability loss, performance loss and quality loss. Decreasing the losses helps to rise OEE in a natural way.

It should also be noted that we dont recommend to compare different production machines and their OEE values. That kind of comparasions are possible only if the compared a production machines have the same running principles.