Machine OEE and Monitoring 

Availability: This factor measures the actual machine uptime compared to its scheduled or planned uptime. It accounts for any unplanned downtime due to factors like breakdowns, changeovers, or other unexpected interruptions. Availability is typically expressed as a percentage and calculated as:

Availability (%) = (Operating Time / Planned Production Time) x 100

Performance: The performance factor assesses how well a machine or process is running concerning its maximum potential. It accounts for instances when a machine is running slower than its optimal speed. Performance is also expressed as a percentage and calculated as:

Performance (%) = (Actual Production Rate / Maximum Possible Production Rate) x 100

Quality: This component of OEE focuses on the number of good-quality units produced compared to the total number of units produced, including any defects or rework. Quality is expressed as a percentage and calculated as:

Quality (%) = (Good Units Produced / Total Units Produced) x 100

To calculate OEE, you simply multiply the three factors together:

OEE (%) = Availability (%) x Performance (%) x Quality (%)

The resulting OEE percentage provides a comprehensive view of how efficiently a machine or process is operating. A higher OEE indicates that the equipment is operating closer to its maximum potential with minimal downtime and high-quality output. In contrast, a lower OEE suggests room for improvement in one or more of the three factors.

OEE is a valuable tool for identifying areas of improvement and optimizing production processes. By monitoring and analyzing OEE data, businesses can take proactive steps to reduce downtime, improve performance, and enhance product quality, ultimately leading to increased productivity and profitability.