“Established in 1885, DENN (Industrias Puigjaner, S.A.) has 140 years of expertise in manufacturing metal forming machine tools.”

 

DENN: Innovation & Experience in Metalforming

• standard to fully custom machines
• modern, fast, safe & flexible
• reliable construction & components
• custom & user-friendly software
• superb surface finishes
• superb repeatability

DENN Tube (Cylinder) Necking-In & Closing Machines

• CNC controlled
• user-friendly and feature-rich interactive graphical CAD-CAM programming system
• heating systems by induction, torches, friction, …
• closing process without welding
• optimized for Pressure Vessels, Cylinders, Bottles & related
  aluminum liners, high pressure cylinders, CNG bottles, transport cylinders, fire extinguishers, racing cylinders, SCUBA cylinders, sampling cylinders, accumulators, steel cylinders, paintball cylinders, emergency breathing cylinders, military cylinders, aerospace cylinders, medical cylinders, airbag cylinders, hydrogen tanks, …
• leak tight and no porosity
• inert gas minimizes oxidation
• remote site troubleshooting and programming
• Ethernet / USB / Networking connectivity
• Industry 4.0 – DENNdata
• preventative maintenance software
• automatic loading / unloading systems and robotics options
• devices for faster setups and change-overs
• safety devices for safe handling – protecting the operator and the machine
• plus many other options are available to make these machines ideal for countless applications