The scroll is rotated by either a hex key two tommy bars or in the talon by a large key which looks like a big drill chuck key. Troll to harass criticize or antagonize especially by disparaging or mocking public statements.
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Rotagrip 125mm Vertex 3 Jaw Standard Scroll Chuck
Ideologue an often blindly partisan advocate or adherent of a particular ideology.
What is a scroll chuck. Exculpatory tending or serving to exculpate. A self centring chuck for holding round work having jaws slotted to engage with a raised spiral or scroll on a plate which is rotated by a key so as to advance the jaws while maintaining their concentricity. Esp three jaw chuck.
Emolument the returns arising from office or employment usually in the form of compensation or perquisites. 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. Websters revised unabridged dictionary published 1913 by g.
At least that is the advertising claim. The scroll mechanism in chucks is controlled it two basic ways. Mach an adjustable chuck applicable to a lathe spindle for centering and holding work in which the jaws are adjusted and tightened simultaneously by turning a disk having in its face a spiral groove which is entered by teeth on the backs of the jaws.
A self centering chuck also known as a scroll chuck uses dogs usually called jaws interconnected via a scroll gear scroll plate to hold onto a tool or workpiece. Still a self closing chuck is alluring because it offers no hassle vice like grabbing of anything you want to turn. Most people prefer the keys but i know several professionals that prefer using one tommy bar because they are faster to lock and unlock.
The chucks commonly used in modern wood working lathes move the jaws in or out by means of a scroll shaped tooth machined into the chuck mechanism. Because they most often have three jaws the term three jaw chuck without other qualification is understood by machinists to mean a self centering three jaw chuck. Tommy bars or a chuck key.
Krf 4 Jaw Lever Scroll Chuck With Inside And Outside Jaw
Bison 3274 3 Jaw Cast Iron Self Centring Scroll Chuck
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