Ceramic mold enlargement calculator

Calculate required green dimensions and required mold dimensions with your own figures.

Your numbers

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

Use required green dimensions and required mold dimensions to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Desired fired dimensions (mm)
100,80,50
Measured green-to-fired linear shrinkage (%)
12
Mold-to-green additional shrinkage (%)
2
Required green dimensions (mm)
[113.636363636,90.9090909091,56.8181818182]
Required mold dimensions (mm)
[115.955473098,92.7643784787,57.9777365492]

Try another scenario

Desired fired dimensions (mm)
[120, 90, 60]
Measured green-to-fired linear shrinkage (%)
12
Mold-to-green additional shrinkage (%)
2
Required green dimensions (mm)
[136.363636364,102.272727273,68.1818181818]
Required mold dimensions (mm)
[139.146567718,104.359925788,69.573283859]
Calculation method

Calculation method

Required green dimensions (mm)

Fired dimensions/(1−green-to-fired shrinkage).

Required mold dimensions (mm)

Green dimensions/(1−mold-to-green shrinkage); isotropic linear assumption.

Symbols and units
a
Desired fired dimensions (mm)
b
Measured green-to-fired linear shrinkage (%)
c
Mold-to-green additional shrinkage (%)

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

  • Desired fired dimensions, measured shrinkage. Returns Green and mold dimensions. 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. Desired fired dimensions (mm): minimum 1e-12, maximum 1000000000000.0. Measured green-to-fired linear shrinkage (%): minimum 0, maximum 99. Mold-to-green additional shrinkage (%): minimum 0, maximum 99.
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