Cogsdill Roll Britannia - Making Burnishing Great Again!!
Cogsdill are the UK's only manufacturer of Roller Burnishing tools, and hold the largest stock in the country.
A roller burnished surface is smoother and more wear-resistant than an abraded surface of the same profilometer reading!
Abrasive finishing processes, such as grinding or honing remove metal by cutting or tearing it away, and while this usually lowers the roughness profile, it leaves sharp projections in the contact plane of the machined surface.
Roller burnishing displaces metal, rather than removing it. Material in microscopic “peaks” on the machined surface is caused to cold flow into the “valleys,” creating a plateau-like profile in which sharpness is reduced or eliminated in the contact plane. A burnished surface is therefore smoother than an abraded surface with the same roughness height measurement.
Eliminate Honing and Roller Burnish in one quick operation.
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