Austria’s 16th century bell foundry adds modern technology to keep the casting process alive
Summary
The Grassmayr Bell Foundry in Innsbruck, Austria, has been making bells since 1599 and now uses modern technology like 3D printing and computer simulations to improve its traditional casting process. Despite challenges like fewer new churches and rising costs, the family-run business continues to produce large bronze bells for customers in several European countries.Key Facts
- Grassmayr Bell Foundry was founded in 1599 and is one of the last traditional bell makers in Europe.
- The company is still family-owned and run by brothers Johannes and Peter Grassmayr.
- Modern tools have reduced polishing and cleaning time from 30% of production to just 10%.
- They use 3D printing, laser scanning, and computer apps to design and test bells before casting.
- Casting a single bell takes 3 to 4 months; forming molds for large bells can take up to 6 months.
- Molten bronze creates very high pressure (up to 125 metric tons) inside the mold, which is made from high-quality clay and reinforced with steel.
- Demand for bells is changing due to fewer new churches being built and higher energy and labor costs.
- The business has survived many historical challenges like wars, famines, and economic difficulties.
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