Advanced Technical Ceramics calculator
Ceramic Rework Cost Calculator
Ceramic Rework Cost quantifies what it really costs to save fired ceramic parts through regrinding, re-metallization, re-firing or post-machining instead of scrapping them. Quality and cost engineers in advanced ceramics use it because rework looks cheap until you add the fixed setup, inspection and re-qualification burden on top of the per-part labor — and because not every part is salvageable, you pay for some you'll still scrap. Putting recoverable rework cost next to the setup overhead shows whether rework beats scrapping outright or whether the route needs fixing upstream. On hard, brittle materials where machining is slow and re-firing is risky, that decision swings real money.
What this calculator does
- Estimate ceramic rework cost from reworked parts or hours, rework cost rate, recoverable share, and fixed setup cost.
- a quality engineer needs to compare ceramic rework effort with scrap or remake cost
- It computes total rework cost as the salvageable parts times the rework rate, plus a fixed setup and inspection cost.
Formula used
- Recoverable rework cost = parts or hours needing rework × rework cost rate × recoverable rework share
- Total ceramic rework cost = recoverable rework cost + setup and inspection cost
Inputs explained
- Ceramic parts or hours needing rework:
- Rework labor/machine cost rate:
- Share salvageable by rework:
- Rework setup and inspection cost:
How to use the result
- Use it to compare rework against scrap-and-replace, to quote rework charges, or to size the cost of a quality escape on a fired-ceramic lot.
- It assumes a single rework rate and that the salvageable share is reliable; if rework itself risks cracking parts, the effective recovered yield is lower than the input suggests.
Current U.S. benchmarks
- Steel mill PPI stands at 348.53 (BLS, May 2026), up 6.7% from a year earlier. New factory orders are up 2.3% year over year (Census).
Common questions
- How do you calculate ceramic rework cost? Multiply parts or hours needing rework by the cost rate, then by the salvageable share, and add setup and inspection cost. Here 32 x $46 x 80% = $1,177.60, plus $260 setup = $1,437.60 total.
- What does the salvageable share do to the cost? It scales the variable cost to only the parts rework can actually save — at 80%, you pay the rework rate on the recoverable 80%, giving $1,177.60 before the fixed $260 is added.
- When is it cheaper to scrap than rework? When the per-part rework cost plus its share of setup approaches the replacement cost of a new part. Here total rework averages about $44.93 per part touched; compare that to your fully-loaded part cost to decide.
- Why include a fixed setup and inspection cost? Because re-qualifying reworked ceramics — dimensional re-inspection, re-test, paperwork — is a fixed burden per lot that doesn't scale with quantity, and ignoring it makes rework look cheaper than it is.
- Does re-firing risk count against rework value? Yes. If re-firing can crack parts, the real salvageable share is lower than planned; drop the percentage to reflect rework-induced losses or the cost will be understated.
Last reviewed 2026-05-12.