ZELTWANGER Core builder

Core builder

Flexible core assembly for high productivity and repeatable quality.

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High-performance heat exchanger core assembly

ZELTWANGER Core Builder solutions enable semi-automatic and fully automated assembly of heat exchanger cores for a wide range of applications, including evaporators, heater cores, condensers and radiators. Different system concepts can be adapted to specific core dimensions, product variants and production requirements, combining high productivity with repeatable assembly quality.

Your Benefits

Designed for productive, flexible and reliable core assembly.
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High Productivity

Cycle times down to 18 sec/core
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Flexible Core Designs

Different core dimensions and row systems
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Short Changeover Times

Fast adaptation to product variants
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Scalable Automation

From semi-automatic to fully automatic

Technical Highlights

Key specifications for high-performance core assembly.
Parameter EVAP / Heater CON / RAD
Core Dimensions 120 × 140 × 26 to 400 × 400 × 50 mm 350 × 300 × 12 to 1,200 × 1,200 × 75 mm
Core Tensioning 20–150 kN 20–150 kN
Header Assembly 50–300 kN 50–300 kN
Row System Single / Double / Triple Single
Changeover Max. 10 min Max. 30 min
Cycle Time Down to 18 sec/core 40 sec/core semi-auto

Options & Extensions

Features to adapt the system to your production requirements.
  • Automatic tube loading
  • Automatic core handling
  • Automatic brazing parts feeding
  • RFID tool coding
  • Predictive maintenance
  • Remote maintenance

Let’s discuss your requirements.

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