What it really takes to do Megacasting
When Handtmann committed to gigacasting, they didn’t just buy a bigger machine; they rebuilt their entire casting approach. From engineering workflows to simulation tools, staffing to materials strategy, the German foundry had to reimagine what it means to be a modern casting partner. And in doing so, they may have laid the groundwork for a new model that other foundries will soon follow.
According to Andreas Würzer, “The machine is just the start. If you don’t evolve everything around it, you won’t succeed. Megacasting is not just a scale issue; it’s a capability shift.”
From RFQ Support to Strategic Driver
One of the most significant transformations occurred on the engineering front. Handtmann had to go beyond traditional casting design and simulation. They built a dedicated advanced engineering division that now covers:
- Topology optimisation and structural load-path calculations
- Advanced vibration and strength simulations
- Mould filling and thermal modelling
- Prototyping, validation, and rapid iteration
This change meant hiring new profiles, engineers who understand not just casting mechanics but vehicle integration, functional design, and digital validation.
“We used to respond to RFQs,” Würzer explains. “Now we bring concepts to the OEMs. That required a completely different mindset and skillset.”
Prototypes before PowerPoints
To earn trust from OEMs, Handtmann realized it had to present more than ideas. It needed proof. This meant developing castable concepts in-house, validating them digitally, and, in many cases, producing full-function prototypes before any customer had requested them. This investment in speed and substance paid off. OEMs began to see Handtmann not just as a supplier, but as a true development partner.
“Engineers don’t want to hear a pitch,” says Würzer. “They want to see parts. They want data. They want you to have already thought through the challenges before you walk in the door.”
Materials & Process Innovation
Megacasting forced Handtmann to rethink material strategies as well. From tool wear to flow length, the physical demands of casting parts up to 50+ kilos introduced new pain points.
To solve them, Handtmann is investing in semi-solid casting processes, which reduce mold wear, improve flow behavior, and allow for lower processing temperatures. They are also pushing the use of secondary alloys, aiming to reduce environmental impact without compromising mechanical performance.
Würzer believes these material innovations will ripple across the entire industry. “We’re just starting to see how big these process changes will be; even for smaller parts.”
What will Trickle down into the Industry
While only a few foundries will operate gigacasting machines, many of the changes Handtmann implemented are universally relevant:
- OEMs are now open to casting input during vehicle development, creating new opportunities for foundries with strong concept engineering.
- Multi-domain simulations are no longer optional; they must be fast and deeply tied to validation.
- Proactivity is key. Foundries that wait for RFQs will fall behind those that co-develop solutions.
- Semi-solid casting, improved thermal control, and more intelligent alloy use will emerge in megacasting, eventually shaping mainstream die casting.
“The tools we built for megacasting are making us better everywhere,” Würzer notes. “It’s not just for the big parts; it’s elevating our approach across the board.”
Final Thought
Megacasting is forcing change, but it’s also offering clarity. It shows what’s possible when a foundry steps beyond traditional roles and starts thinking like a systems integrator and a technology partner.
For the rest of the industry, the message is clear: you don’t need a 4,000-ton machine to level up. You just need to start thinking and building like Handtmann.
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