Increase the share of input that becomes acceptable finished output.
Production yield describes how much material or how many units entering a process become acceptable output. Yield is reduced by scrap, rework, test failures, process instability, material defects, and downstream quality losses.
Track the losses that consume capacity without creating good output.
Rework, defects, process variation, inspection, scrap, and yield should be tied back to the production conditions that created them.
Move from detection toward prevention.
Inspection is necessary, but the larger gain comes from making the process stable enough that fewer defects are created in the first place.
CRIT-ASeparate Scrap and Rework
Both reduce effective yield, but they create different cost and capacity consequences.
Related Guide →CRIT-BMeasure at Key Stages
Yield at each major process step helps identify where the largest conversion loss occurs.
Related Guide →CRIT-CConnect Yield to Capacity
Poor yield consumes machine time and material while reducing finished output from the same scheduled capacity.
Related Guide →CRIT-DUse First-Pass Yield Too
Final yield can look acceptable even when heavy rework is hiding unstable process performance.
Related Guide →Visualize the quality loss and process behavior.
These diagrams separate recurring quality loss from overall process stability and improvement trend.
Loss trend.
Track recurring quality loss over time to see whether changes are reducing the problem.
Process stability.
Stable process behavior supports better yield and fewer quality escapes.
Relevant inspection and measurement resources.
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