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Swaging Service
  SWAGING - Tube Swaging
SWAGING
Swaging is a process that is used to reduce or increase the diameter of tubes. The inner diameter can be a different shape, for example a hexagon, and the outer is still circular.
Swaging Diagram
Click here to view a movie* of Warm Forging in action.

Swaging is a process that is used to reduce or increase the diameter of tubes. A swaged piece created by placing the tube inside a die that applies compressive force by hammering radially.

Swaging can be further expanded by placing a mandrel inside the tube and applying radial compressive forces on the outer diameter. Thus, throught the swage process, the inner tube diameter can be a different shape, for example a hexagon, and the outer is still circular.

Swaging - Swage tube
Warm Forging movie - includes swaging
Click here to view a movie* of Warm Forging in action.
Pittsburgh Tubular Shafting has developed extensive data relative to the rotary forging of journals integral to the tube, used as the roll body. Micrographic analysis and destructive testing have validated strength increases in the forged end section resulting in dramatic grain refinement of the steel structure affording greater toughness characteristics typical of the forging process. X-ray defraction analysis records no residual stresses for the PTS process which aids holding close tolerances during the further processing of PTS rolls. Complete metallurgical data regarding the integrity of the process and product is available on request.

* Windows Media File Instructions
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For MAC without Windows Media Player: Please go here to download the latest version on Windows Media Player for MAC, then return to site, click and hold link to download movie to your Desktop, then view.


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WARM FORGING IN ACTION

 

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swaged tubes

PITTSBURGH TUBULAR SHAFTING -- Rochester, PA 15074-0149 • Phone 724-774-7212 • Fax: 724-774-1180 • E-mail: sales@ptsco.com
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