How-To: Tips on Metal Polishing
By Sean O'HaraWe’ve heard a great deal of talk about fabrication lately but much less talk about finish out, even though we all want our projects to turn out as well as they can. Finish out is often the difference that separates a home project from a professional looking job.
Today we ran across a slick article offering (rare) advice on how to polish metal effectively. (Though the article focusses on molded steel, the same processes and rules still apply to other steel projects.) The processes involved in polishing metal to a bright, gleaming, blemish-free shine can be quite impossible to achieve if you don’t know the pitfalls and common mistakes that occur in the polishing process, but for some reason there are few resources for detailed information. The author, Victor Krottner, explains:
There are no schools for mold polishing and most veteran polishers don’t want to teach the subject. Some may give a few pointers here and there, but for the most part there is no real educational institute for polishing.
According to the article, using different grit stones seems to be only a part of the learning curve. The real trick seems to be learning when to move on to the next step. The author also warns that the only real roughing period is in the first stone. The following steps are actually polishing, even when using a stone. In the end it takes hands on experience to enable a great polished surface, but it helps to know where to start and where you’re going.
Teach Yourself Polishing [MoldMaking Technology]
December 15th, 2006 at 1:53 am
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