Metal Scraping

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Metal Scraping (07-29-13)

Scraping is an old craft for smoothing metal bearing surfaces on machine tools. Surfaces that have been scraped using the proper tools and techniques are much smoother than surfaces finished by most machining methods. The result is that surfaces such as dovetails fit to closer tolerances, so they operate more smoothly with greater precision and less chatter.

Widely used on the best quality machine tools made during most of the 20th century, scraping is not often seen nowdays on lower cost machines. However, if you're willing to invest in some tools and devote some time and elbow-grease (old American slang for "manual labor") you can obtain many of the benefits even on your low cost machine tools.

I recently received word from Jim Vargiu that he has created a new website metalscraping.com devoted to this craft. I took a look at Jim's site and was really impressed by it - it's a step-by-step tutorial that will teach you all you need to know to get started in this interesting area of metal work.

 

 

 


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