What Is Overall Equipment Effectiveness?

Overall equipment effectiveness (OEE) is a measure of how well a manufacturing process is performing. It takes into account three factors: availability, performance, and quality.

Availability measures the uptime of the equipment. Performance measures the speed at which the equipment is running. Quality measures the number of defective products produced.

OEE is used to identify areas where improvements can be made in order to increase efficiency and productivity. It is also used to compare different pieces of equipment or different manufacturing processes.

OEE can be calculated using the following formula:

OEE = Availability x Performance x Quality

For example, if a manufacturing process has an availability of 80%, a performance of 90%, and a quality of 95%, then its OEE would be:

OEE = 80% x 90% x 95% = 68.9%

This means that the process is operating at 68.9% efficiency. To put it another way, it is losing 31.1% of its potential output.

There are many ways to improve OEE. One way is to increase availability by reducing downtime. This can be done by improving maintenance procedures, investing in better quality equipment, or providing more training to operators.

Another way to improve OEE is to increase performance. This can be done by increasing the speed of the process, or by reducing the amount of time that is needed for each cycle.

Finally, quality can be improved by reducing the number of defective products. This can be done by improving the design of the product, or by changing the manufacturing process.

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