The tool for roller burnishing of internal surfaces is installed in the turret head of the CNC lathe machine center or tool post of the conventional lathe.
Workpiece surfaces are rolled to an accuracy of Ra 0.1 using speed rates corresponding to finishing methods.
Maximum hardness of the workpiece to be machined 40 HRC
The presence of an elastic element ensures a constant rolling force at any point on the work surface.
Single-roller tool is simple and versatile, but requires a significant working force which is fully absorbed by the machine's assemblies.
The change in surface size during rolling is caused by volume deformation of the workpiece due to micro-roughness elimination.
The reverse stroke should not be used as a working stroke, since repeated passes in opposite directions can result in excessive deformation of the surface layer.
Rolling increases the fatigue limit of parts by 80% or more, having a favorable effect on part performance.
Reducing machining costs
Exclude nonproductive operations and auxiliary equipment items
Burnishing on CNC lathe machines centers and conventional lathes
Finish the surface from Ra 0.6 to Ra 0.1
Economical tool life with die steel rollers
Roller burnishing is a surface finishing technique in which hardened, highly polished steel rollers are brought into
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