Punching dies are essential tools in sheet metal processing - they have to repeatedly punch precise contours into sheet metal. They are subject to enormous mechanical loads and must meet the highest requirements in terms of cutting quality, service life and friction behavior.
The challenge lies not only in the cutting process, but especially in the retraction from the material: this is where considerable tensile forces act on the cutting edge. This is why materials are required that not only have high compressive strength but also excellent flexural strength - a combination that only a few materials can offer.
Megatron uses innovative high-performance ceramics specially developed for industrial applications in the manufacture of its punches. These materials have exceptional mechanical and tribological properties:
Cerazur® - for long-lasting, stable processes with maximum gliding properties
Silicon nitride (Si₃N₄) - extremely resistant, even under high thermal and mechanical loads
Volcera - optimum combination of toughness and strength
Zirconium oxide - versatile, chemically resistant and wear-resistant
Each material is selected individually depending on the application in order to guarantee maximum efficiency and tool life.
Our punches are used in demanding production processes - especially where conventional materials reach their limits. Typical areas of application include
Cold forming: Plastic forming of metals at room temperature
Series production of sheet metal parts
Fineblanking and precision punching processes
| Material | Properties | Typical application |
|---|---|---|
Cerazur® |
Impact-resistant, wear-resistant, temperature-resistant, chemically inert | Protective caps, thin-walled covers |
| Zirconoxid
|
Very hard, electrically insulating, oxide ceramic, high mechanical stability | Sensors in test benches, machines, pipelines |
| Siliziumnitrid
|
Thermal shock resistant, low weight, high flexural strength | Precision tools, high-speed punching processes |
| Volcera
|
Good toughness, abrasion-resistant, structurally stable under load | Series production in forming technology |
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