• Rotary Swaging

    Rotary swaging, also formerly known as swaging, is process for precision forming of tubes, bars and other cylindrical workpieces.

  • Manufacturing Process

    Rotary swaging can be differentiated by two different processes:

    • Infeed swaging
    • Plunge swaging


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What is Rotary Swaging?

Net-Shape Forming Process

Rotary swaging, also formerly known as swaging, is a process for precision forming of tubes, bars and other cylindrical workpieces.

It belongs to the category of net-shape-forming processes, which means the finished shape of the formed workpiece is obtained without, or with only a minimum amount of processing and cutting. The forming dies of the swaging machine are arranged concentrically around the workpiece.

Homogenous Material Forming

The swaging dies perform high frequency radial movements with short strokes and apply compressive force onto the enclosed workpiece. In the majority of cases a swaging unit consists of four dies. Depending on the application also between two and eight dies can be used.

The forming process takes place in many small processing steps. Therefore, rotary swaging can be described as an incremental forming process.

One advantage compared to the continuous forming process is the homogenous material forming, which achieves high forming ratios.

The advantages of Rotary Swaging

Rotary swaging offers all
advantages of cold forming:

  • Reduced processing time
  • Close tolerances
  • Continuous grain pattern
  • High surface quality
  • Material savings
  • Workpiece weight reduction

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