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CNC Tube Necking In and Closing Machines

Custom machines available
 
DENN necking-in / closing machine     necking-in / closing sketch  
 
 DENN necking-in / closing machine
- SIEMENS CNC control
- interactive and easy to handle graphic programming system
- heating system by induction, friction, ... 
- closing process without welding
- optimized for pressure vessels: aluminum liners, fire extinguishers, SCBA, CNG, accumulator shells, special cylinders, ...
- with loading and unloading units; or with robot(s) on request
- leak tight and no porosity
- inert gas minimizes oxidation
- remote site troubleshooting and programming
 
 
 
 

 

DENN CNC tube necking in machine

DENN necking in machine in action

DENN necked in / closed sample parts 

DENN necking in machine

DENN CNG liners samples

DENN pressure bottles

DENN necking in machine

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