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Letter 24094
Burnishing Finished Steel Bars
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I'm doing some "hobbyist" research on "burnishing" of steel bars,
grades 17-4, 300 & 400 series stainless. I kind of understand
material is not removed from the bar but instead "pushed" into low
spots to achieve a smoother surface. Can belting with an abrasive be
considered a type of "burnishing" or are they two similar but
different processes? Are "polished" or "belted" finishes sometimes
sold as "burnished" finish. Any pictures will help.
THANKS,
Michael Burgwin
- Syracuse, New York, United States
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Attn:Michael B.
Syracuse, New York, United States
Roller Burnishing is a cold rolling process. In roller burnishing
there is no metal removal/cutting. Only the pre-machined peaks are
leveled. This gives a mirror finish on the surface of the
shaft.
Abrasive belt polishing is still a metal removal process. Roller
burnishing and abrasive belt polishing are entirely different
processes. Roller burnishing is a quick process when compared with
abrasive belt polishing.
regds,
N. SRINIVASAN
- Coimbatore, Tamil Nadu, INDIA
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