Whizzing

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Whizzing

The act or practice of scrubbing a coin with a special brush in order to make it appear as if it is in mint condition. This causes wear and tear to the surface of the coin and may therefore reduce the coin's value. It is also called buffing.
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The buffing head with a single speed 2.2 KW motor has clockwise and anti clockwise rotation and accepts buffs, brushes and wheels up to 250 mm diameter and up to 150 mm wide.
The accompanying figures are SEM images taken of one area of a disk, before and after buffing, where the buffing was done in two separate steps with analysis after each step.
Key statement: Embodiments of the invention are used to provide ways of tire tread molding and retreading with a double tread rubber body having a unitary structure that comprises two treads in order to remove the need for buffing an oxide layer typically associated with tread molding and curing.
If elbow grease alone won't do the trick, or if you have large areas to cover, use a drill and small buffing wheel (Photo 1; $6 at home centers).
One of the less glamourous areas of the surface treatment industry is buffing or polishing.
Key statement: Methods, apparatus and computer programs for correcting a buff of tread from a crown of a tire, the steps of the method including measuring the distance between the tire crown surface and the belt at each of the plurality of locations; calculating a projected distance between the crown surface and the belt at each of the plurality of transverse locations across the crown using proposed buff radii, choosing a new position of the buffing radius origin from the one or more proposed origin positions on the centerline of the tire; and buffing the tread from the tire crown along the arc described by the buff radius having the buffing radius origin at the new position.
The buffing can be done by hand, but a small power buffer is much easier.
Tenders are invited for Mechanised cleaning of interior and exterior portion of incoming coaches, qty-3384 coaches, intensive cleaning of interior portion and buffing and polishing of stainless steel components of 3258 traffic out coaches, mechanised intensive cleaning and buffing and polishing 60 pantry cars and intensive cleaning of interior and exterior portion, buffing and polishing of interior stainless steel parts of 648 traffic out emu/memu coaches and mechanised cleaning of 339 bio-toilet tanks fitted on the coaches during poh by outside agency on contract basis for a period of 24 months.