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Smooth Aluminum Finish
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Smooth Aluminum Finish
Aluminum is a relatively soft metal that is
easily nicked, scratched and damaged by handling
both during the part manufacturing process and
after. Restoring aluminum to a uniform and
smooth surface finish can be accomplished with
mass finishing.
Alum Ceramic Media
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The aluminum part on the left clearly shows the
scratches and damage due to heavy handling. The
part on the right is the result of a simple mass
finishing process to create a uniform, matte
surface finish. The part (aluminum cylinders)
were vibratory tumbled in a wet process with a
general purpose (KM) Ceramic Media and
cleaning/lubricating compound for 2
hours. Ceramic Media is typically used with
harder metals such as steel however, in this
case, there was no need to further polish the
part. If a higher polish is required, a lighter
cutting Plastic or Synthetic Media can be used in
a (potentially) longer cycle time. This step
would be followed with a polishing step.
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