Article "Turning Tools:Spotting Desing Flaws

charlie b · 2005-08-29T06:31:54+00:00

The October 2005 issue of Woodwork (a steal at $4.99 US) has an interesting article by Mike Darlow entitled Turning Tools: Spotting Design Flaws. Mr. Darlow, trained as a civil engineer, examines roughing gouges detail/spindle gouges bowl gouges skew chisels parting tools and some special tools hollowing tools multi purpose tools tools which supposedly will compensate for fault techniques He analyzes these tools in terms of the mechanics and physics of their use The author points out that, unlike drop forged carbon steel, which can be forged into a broad range of cross sections, high speed steel cross sections are more limited a) because the stock comes in limited initial cross sections and b) grinding methods limit the possible final cross sections. The result is that turners get HSS tools that are easier to manufacture but more difficult to use than drop forged carbon steel tools. The limitations on cross sections of tools that must be ground to shape can mean that the tool can work against the turner. He concludes that many turners assume that if they buy reputable tool maker tools that when a tool misbehaves it's their fault. It often is - but in some cases, it's the tool. The article provides a better understanding of the use of the main turning tools The article is worth the $5. The rest of the articles, which are also interesting, are gravy. Consider getting this copy of Woodworking. charlie b

Aug 29, 2005 20 Replies

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Gerald Ross 21 years ago

Packard has a little better price. Nice folks too.

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Article "Turning Tools:Spotting Desing Flaws

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