Ellipse Chuck

Historical Ellipse Chuck

An Ellipse Chuck is similar to an eccentric chuck, but is used to make oval parts.

Wes Pilley made one and showed pictures along the way on his Instagram page. This is not a project that I would recommend for the weekend machinist.

John Edwards' web site, OrnamentalTurning.co.uk, really does a far better job explaining these devices than I could ever do, and there is also a lot of great information there that is worth reading. Understanding the historical devices really helps make one far better at understanding and using today's rose engines. The newer designs for devices like a spherical slide still draw much from what was done more than a hundred years ago. And this is why so many books that were written up to 200 years ago are referenced in the section, How to Get More Information.

Ellipse Chuck
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Disclaimer : eMail comments to me at OTBookOfKnowledge @ Gmail.com. The process of woodturning involves the use of tools, machinery and materials which could cause injury or be a health hazard unless proper precautions are taken, including the wearing of appropriate protective equipment.