Mass Finishing, Deburring & Polishing worked example
Rework Reduction Savings at 99% cell yield efficiency: a worked example
Push cell yield efficiency up to 99% and the picture changes. This example computes every intermediate figure at that operating point. Use it when rework reduction savings in mass finishing, deburring and polishing is being committed and you need a throughput number you can defend.
The inputs for this scenario
- Good parts after rework reduction: 1,200 units (unchanged)
- Finishing cell runtime: 8 hr (unchanged)
- Cell yield efficiency: 99 % (raised for this scenario; the documented default is 90)
Working through the calculation
- Applying the documented formula (Raw rework reduction savings = completed output รท runtime) to the inputs above produces each figure below.
- At this operating point the engine returns 149 units for effective throughput, the number this scenario is built around.
- At this operating point the engine returns 150 units for raw throughput.
- At this operating point the engine returns 99 % for efficiency.
- At this operating point the engine returns 8 hr for runtime.
How this compares with the baseline
- Against the tool's baseline example, where cell yield efficiency sits at 90% and the headline result is 135 units, this scenario comes in 10% above the baseline at 149 units.
- It computes raw throughput (good parts divided by runtime) and effective throughput after applying the cell's yield efficiency. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.
Results at a glance
- Effective throughput: 149 units (headline result)
- Raw throughput: 150 units
- Efficiency: 99 %
- Runtime: 8 hr
Run it with your numbers
- Every input above is editable in the live Rework Reduction Savings calculator, which recalculates instantly and can be shared with the inputs intact.
Last reviewed 2026-05-12.