We understand the importance of a high quality surface finish in the coin blanking industry. Contamination of dust or the presence of surface defects produce poor quality coins. The coin blanks must be finished to a high specification before being minted.
ActOn Finishing offers a wide range of unique mass finishing solutions that improve current processes, reducing cost and achieving the repeatability and quality desired by our customers. The results are achieved in ActOn’s finishing machines using burnishing media and specially formulated polishing compounds. Depending on the final finish required, the surface finishing stages can be repeated after coins have been stamped. We can process materials such as gold, silver, copper, stainless steel, brass, aluminium and much more.
A three stage process using ActOn’s high energy machine resulted in a
bright mirror finish with no visible machining lines. The first two stages
required a cut down and smoothening process using ceramic and
plastic media. This was then followed by a dry polishing stage.