Line Efficiency
Line efficiency compares actual production output or productive time with the expected output or available production capacity of a line.
What this term means in maintenance
Line efficiency compares actual production output or productive time with the expected output or available production capacity of a line.
Possible calculation
Line efficiency = Actual output ÷ Expected output × 100
Organizations may also use standard hours produced divided by available labor or line hours.
Practical example
A line is expected to produce 10,000 units but produces 8,500.
Line efficiency = 85%
Losses affecting efficiency
- Downtime
- Minor stops
- Reduced speed
- Quality loss
- Changeover
- Material shortage
- Labor constraints
Definition control
Expected output and included losses must be clearly defined.
Common mistake
Using an unrealistic expected output makes the efficiency result unhelpful.
Related concepts
Related maintenance terms
Keep exploring connected CMMS, reliability, and maintenance planning terms.
Overall Equipment Effectiveness
Overall Equipment Effectiveness, or OEE, measures how effectively planned production time is converted into good output by combining availability, performance, and quality.
Throughput
Throughput is the amount of product, material, or completed work produced by a system during a defined period.
Minor Stop
A minor stop is a short production interruption that is usually resolved quickly without a full maintenance repair.
Glossary FAQs
- What is line efficiency?
Actual line output or productive performance compared with an expected standard.
- What losses reduce line efficiency?
Downtime, slow speed, quality loss, changeover, materials, labor, and minor stops.
- Why define expected output carefully?
An unrealistic standard makes the result misleading.