Mass Finishing, Deburring & Polishing worked example

Part Damage Rate at 68% target good-part rate: a worked example

Suppose target good-part rate falls to 68%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Calculate part damage rate for mass finishing, deburring & polishing planning, quoting, troubleshooting, capacity review, or process improvement.

The inputs for this scenario

Parts damaged in finishing: 8 units (held at the documented default)
Parts run through the process: 250 units (held at the documented default)
Target good-part rate: 68 % (the input this scenario stresses; the baseline uses 95)

Working through the calculation

The calculation starts from the formula this tool documents: Part Damage Rate rate = affected amount ÷ total amount.
Rate works out to 3.2 % at these inputs, and this is the headline figure for the scenario.
Gap to target works out to 64.8 points at these inputs.
Affected count works out to 8 count at these inputs.
Total count works out to 250 count at these inputs.

How this compares with the baseline

Against the tool's baseline example, where target good-part rate sits at 95% and the headline result is 3.2 %, this scenario lands almost exactly on the baseline at 3.2 %.
It divides damaged parts by total parts run to give a damage percentage, then compares that against a target good-part rate to show the gap. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

Rate: 3.2 % (headline result)
Gap to target: 64.8 points
Affected count: 8 count
Total count: 250 count

Run it with your numbers

To rerun this with your own numbers, open the live Part Damage Rate calculator, set target good-part rate to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.