BURNISHING | S.C.A.M.I.® Roller Burnishing Systems

How it Works Roller Burnishing Tools


When the tool is in the hole, the cone pushes the rolls onto the surface to be burnished. The cage retains the rolls in an angled position to the axis of the tool.

The roller burnishing tool must be aligned with the workpiece (maximum error = 0.1 mm). NOTE: If you are uncertain about the alignment error, a floating shank is recommended.





This allows the pressure of the process to generate a self-feed that draws the tool into the hole.

NOTE: When self-feed is not required (blind hole applications), you must use a cage that holds the rolls parallel with the axis of the tool. If the machine feed is stopped or slower than the natural rate, the rolls pull the cage (held in position by the release spring) and then release from the surface of the hole.




When retracting the tool, the release spring ensures the cage is withdrawn from the cone, which removes pressure from the rolls. This allows the tool to be retracted at a high feed rate.

If synthetic or water soluble coolant is not available, a lubrication is still required. A plentiful supply of lubricant must be fed directly to the tool in order to provide a good flushing and cleaning action. It is recommended to fit a filter to the lubrication system to prevent the circulation of chips, which may cause damage to the burnished surface and/or the tool.




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