TUBE END FORMING TOOLING

tube end forming tooling

End Forming Tooling

Typically this is a size increase or decrease on round tubing, however other shapes are possible as well. Simple tools are C style tooling. These Tools form metal tubes from the outside (decrease, size down) or from the inside (increase, size up). The limitation with these tools is only one function inside or outside is able to occur at a time.


C toolingtube_end_forming.png

C tooling is a type of segmented Tooling that can be used for both expansion and reduction. C Tooling is: 

  • Specifically designed for angle required
  • Minimal dimpling (makes a clean cut)
  • Very accurate and quick cycle times
  • Typical tool set includes jaws and blade
  • ELT Advantage; standard blades are stocked

io-tooling-inside-outside-end-forming-tooling.jpgI/O Tooling (Inside Outside Tooling)


Inside and outside tools are built together. This type of end formed tooling supports material forming from both sides to deliver tighter roundness tolerances for joining or welding after I/O sizing. Specialty I/O tools can be made for oval, square and other shapes. Slight edge flaring and turn downs are possible as well normal ball shapes with locating rings and dimples.

  • More accurate and versatile than ER
  • Beading, dimpling, flaring, and other special shapes available
  • Provides better roundness
  • Faster cycle time than ram forming
  • ELT Advantage; precision ground to the highest tolerance in the industry

 


Ram formingram_forming.jpg

For large expansions or reductions of up to 30% depending on material formability. Ram forming tooling is usually used for changing shape e. g. standard tooling is round to larger or smaller round, round to oval. round to square, or round to pie shape.

  • Form non-symmetrical and symmetrical shapes
  • Reduces splitting compared to segment sizing tools
  • Move material greater distances
  • Can do smaller sizes than segmented tools
  • Typical tool set includes vice jaws and ram nose 

Inline Flare Ram Forming

inline-flare-end-forming.png

  • Utilizes roller tooling (typically uses 3 rollers)
  • Provides high quality surface finish
  • Holds tighter tolerances
  • Compression and open flaring available
  • Typical tool set includes vice jaws and rollers
  • ELT Advantage; the rollers are specifically designed to make open flares correctly using standard shims

Ram multi-strikemarmon_bead_forming_1.jpg

Ram multi-strike tools are used for flaring, beading, large expansions or reductions using multi ram tooling to gradually move the material to prevent stresses that could crack or break material. The Ram Multi strike advantage is that all forming occurs in the same machine, and the tooling indexes automatically providing a robust and repeatable process in one machine instead of several.

 


flare-tool.jpgFlare Tooling

Flare tools are used for putting a cone or spherical flare shape in tubing.

  • Utilizes roller tooling (typically uses 3 rollers)
  • Provides high quality surface finish
  • Holds tighter tolerances
  • Compression and open flaring available
  • Typical tool set includes vice jaws and rollers
  • ELT Advantage; the rollers are specifically designed to make open flares correctly using

 

TC Straight Cut

tc-straight-cut-end-forming.png

  • Used to trim parts
  • Nick and shear also available
  • Very accurate and quick cycle times
  • ELT Advantage; standard blades are stocked

 

Notching

notching-end-forming.png

  • Multiple shapes available
  • Produces a burr free notch
  • Safer operation than conventional press notching
  • Cup has indexing capability, which increases tool life
  • ELT Advantage; Stripper option available which keeps the material from collapsing which also increases tool life
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