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What is roller burnishing?

Roller burnishing is characterized by the following features:
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  • Roller burnishing is chipless smoothing and compression of metallic surfaces by rolling elements.
  • Roller burnishing is a microfinishing process that plastically shapes the boundary layers of the component. Roller burnishing is the only chipless microfinishing process.
  • During roller burnishing, one or more rollers is/are loaded with a force directed perpendicular to the running surface (roller burnishing force).
Due to the features of the roller burnishing process, the terms smoothing, burnishing, roller smoothing and roller burnishing all have the same meaning:
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  • During burnishing a certain roughness is produced on the workpiece surface. The objective is a high surface quality for optimum running, sealing and joining properties.
  • Carbide or steel rollers are guided over the workpiece with pressure and displace the surface peaks into the boundary layer.


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