![]() ![]() But the basic function of a shaper is still sound tooling for them is minimal and very cheap to reproduce and they are simple and robust in construction, making their repair and upkeep easily achievable. In current industrial practice, shapers have been largely superseded by other machine tools (especially of the CNC type), including milling machines, grinding machines, and broaching machines. Shapers were very common in industrial production from the mid-19th century through the mid-20th. However, Roe (1916) credits James Nasmyth with the invention of the shaper in 1836. Samuel Bentham developed a shaper between 17. Starting from a drilled or cored hole, a shaper with a boring-bar type tool can cut internal features that don't lend themselves to milling or boring (such as irregularly shaped holes with tight corners).
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