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wood-lathe-screw-chuck-quest This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. My aim in this article is to acquaint the reader with the desirable features to woid for in a scroll chuck, and to detail the fine points of the basic wood lathe screw chuck quest you can accomplish with it, to lead to sure gripping of the work. I do use never seize on my spindle threads. Some people use a Wood lathe screw chuck quest bit the last in the photo but I was not successful with it. Posted in Tools and Jigs Tags Alan Strattonchuckeasy woodturning projectlathesafetyscrew chuckwood projectWood workingwoodturning project ideawoodturning projectswoodworking Comments Off on Handy Screw Chuck.

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Buy It Now. Last Wood Lathe Screw Chuck On one. Benefits charity. Shipping not specified. Leave feedback about your eBay search experience - opens in new window or tab. This is all to say that what is properly called a scroll chuck is an easy sale to a turner — whether novice or seasoned veteran — walking into a woodworking supply store.

A beginner, however, will have a good deal of difficulty getting one to perform as advertised and may actually throw more work off of the lathe than with faceplates and glue blocks. My aim in this article is to acquaint the reader with the desirable features to look for in a scroll chuck, and to detail the fine points of the basic holds you can accomplish with it, to lead to sure gripping of the work.

In metalworking, the use of a lathe chuck with jaws sometimes called dogs that close in unison to grip a workpiece is Wood Lathe Screw Chuck 15 old hat. In my youth, I purchased a four-jaw metalworking chuck to quickly hold square pieces. Although useful, the problem with such chucks is that the jaws are designed for metal so they mar wood egregiously. So it was a marketing tour de force in when Teknatool under the brand name Nova introduced an economical four-jaw scroll chuck with top jaws specially designed for the needs of woodturning.

Now variously called engineering or scroll chucks, the jaws of these are usually of two pieces. The bottom jaw has a rack on the bottom and fits snugly in a T-shaped radial keyway in the chuck body. A scroll plate engages the racks on the bottom side of the jaws. Turning the scroll opens or closes the jaws simultaneously.

The top jaw interlocks with the bottom jaw and is further secured to it with socket head cap screws. This scheme allows the top jaw to be changed to different shapes for specialized holds. The crucial factor is that the jaws have much larger surface area for holding wood securely without deforming it. In , Oneway in Stratford, Ontario, introduced a superb gear-driven chuck called the Stronghold.

In , they started producing a smaller gear-driven chuck called the Talon. In a gear-driven chuck, the bottom side of the scroll is a bevel Wood Lathe Screw Chuck Ink gear, which is engaged by a mating bevel gear either enclosed in the chuck itself or on the end of a T-handle, allowing greater closing force to be applied by the jaws, resulting in surer holds. While lever chucks are still offered, a gear-driven chuck is much more desirable. The Australian firm Vicmarc offers a line of high-grade chucks well worth your consideration.

Penn State Industries offers both an inexpensive lever and a gear-driven scroll chuck under the name Barracuda. The Woodturners Catalog offers what appears to be the same chuck under the name Apprentice.

Both companies offer the gear-drive chuck with an assortment of jaws in a basic package. While not up to the quality of the other chucks mentioned, they are quite serviceable for someone just getting into turning with a small lathe. In general, most of the scroll chucks on the market perform the tasks reasonably well.

A safety concern with scroll chucks is that, at some point as you open the jaws, they lose their engagement with the scroll and may be pulled out of the keyways with your fingers.

If you lose the engagement with one or more jaws and start the lathe, a very dangerous ballistic event will occur. An ironbound rule is that you never extend the jaws more than one-third out of the chuck!

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