Necking-in machine

Leifeld EN 600/400

The LEIFELD En 600/400 is specially designed for hot forming bottle bottoms and bottle necks. The machines enables the gas-tight sealing of steel vessel
bottoms, targeted increase of wall thickness in critical areas, homogeneous microstructure for maximum strength as well as sufficient material for machine cutting the connector thread.


Main Characteristics

  • Very compact machine design
  • High precision combined with maximized machine availability
  • Large flexibility in part dimensions and wall thickness
  • Large variety of materials to be processed, e.g. copper up to strong stainless-steel materials
  • Developed machine control by LEIFELD optimized for all applications of spinning processes enables customer-specific programming.
  • Offline programming software
  • High level of automation allows the time reduction of set up and product change over

Technical Data

  EN 400/600
Outside diameter min. 200 mm
Outside diameter max. 412 mm
Starting wall thickness min. 3 mm
Starting wall thickness max. 15 mm
Starting length of preform max. 3,000 mm

End products

  • high-pressure gas bottles
  • fire extinguishers
  • diving bottles
  • pressure tanks
  • CNG cylinders

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