Ceramic casting mold turnaround calculator

Calculate steady-state throughput and batch waves with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use steady-state throughput and batch waves to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Observed casting occupied time per mold (hours)
1
Drying and reset time per mold (hours)
3
Available molds
4
Target pieces
20
Steady-state throughput (pieces/hour)
1
Batch waves
5
Last cast completion (hours)
17

Try another scenario

Observed casting occupied time per mold (hours)
1.1
Drying and reset time per mold (hours)
3
Available molds
4
Target pieces
20
Steady-state throughput (pieces/hour)
0.97561
Batch waves
5
Last cast completion (hours)
17.5
Calculation method

Calculation method

Steady-state throughput (pieces/hour)

Molds/(casting+drying reset), one cast per mold cycle.

Batch waves

ceil(target pieces/molds).

Last cast completion (hours)

(waves−1)×full cycle + casting time; final reset excluded.

Symbols and units
a
Observed casting occupied time per mold (hours)
b
Drying and reset time per mold (hours)
c
Available molds
d
Target pieces

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Observed casting-drying durations, mold count. Returns Batch throughput and schedule. All coefficients and observations are user supplied; results describe only the stated mathematical model. Quantities are deterministic calculations from supplied observations and assumptions; no external data is fetched. Supported limits: Finite inputs only; numeric fields bounded as labelled. Lists and JSON records are limited to 256 entries unless a stricter tool bound is stated. No automatic design approval, legal conclusion, treatment recommendation or safety certification. Observed casting occupied time per mold (hours): minimum 1e-12, maximum 1000000000000.0. Drying and reset time per mold (hours): minimum 1e-12, maximum 1000000000000.0. Available molds: minimum 1, maximum 10000. Target pieces: minimum 1, maximum 1000000.
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