There are several definitions for burrs, but they all describe the same phenomenon. Burrs are undesired but mainly unavoidable. A burr is a material accumulation, which is created on the surface during the manufacturing of a workpiece. It extends over the intended and actual workpiece surface and has a slightly higher volume in comparison with the workpiece (Beier 1999). Burrs are uncut material remaining on the workpiece after being machined.
Burrs occur at the workpiece surface in cutting as well as in shearing operations at the workpiece edges. Further, laser machining can lead to burrs as well. This essay focuses on burrs of machining and shearing processes.
Burrs are of great industrial relevance as they interfere with the workpiece performance and functionality. Ideally, workpieces would be free of burrs, but, as this is often not the case, burrs can only be reduced either by changing the machining parameters, tool path, or tool. Alternatively, the burrs will have to...
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