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Bluechip Tooling
Be More Precise with Bluechip Tooling

Roller Burnishing - Internal/External

Mirror like surface in one pass
For all type of metals
For all types of machines
Low micro finish, down to 0.05m (Ra)
Sized, finished and work-hardened in seconds

Our specially designed roller and mandrel combinations, provide low energy and rolling forces to achieve plastic deformation of the workpiece material. A micrometer mechanism controls diameter changes to 2.5m. The process works the workpiece material to produce a uniform, dense, low micro, mirror-like surface finish together with an increase in resistance to fatigue failure.

Available in self-feeding or machine-feeding versions for through holes and machine-feeding only for blind holes/up to a shoulder.