National and international standards are used to standardize the definitions, requirements, and test methods used for the lathe chuck definition evaluation of chucks. Definnition part print defines the locating scheme and subsequent chucking requirement. What is the Quick Return Mechanism? Bench Lathe Image courtesy: IndiaMart. Some mechanisms are responsible for the automation in it. Retrieved February 21, Because deifnition most often have three jaws, the term three-jaw chuck without other qualification is understood by machinists to mean a self-centering three-jaw lathe chuck definition.

Please tell us where you read or heard it including the quote, if possible. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Everyday words, confused every single day. The difference between what is right and what fee We're raisin' the issues of the day. We're intent on clearing it up. We're gonna stop you right there. How to use a word that literally drives some pe The awkward case of 'his or her'. It's a bird? It's a plane? No, I'm really asking Updated with more commonly confused words!

Test your vocabulary with our question quiz! Login or Register. Save Word. Definition of chuck Entry 1 of 5. Definition of chuck Entry 2 of 5. Definition of chuck Entry 3 of 5. Definition of chuck Entry 4 of 5. Definition of chuck Entry 5 of 5. Synonyms for chuck Synonyms: Verb 2 Jet Lathe 1221vs Chuck Error cashier , cast off , deep-six , discard Jet Mini Lathe Chuck On , ditch , dump , eighty-six or 86 , exorcise also exorcize , fling off or away , jettison , junk , lay by , lose , pitch , reject , scrap , shed , shuck off , slough off also sluff off , throw away , throw out , toss , unload Synonyms: Noun 3 bread , chow , comestibles , eatables , eats , edibles , fare , food , foodstuffs , grub , meat , provender , provisions , table , tucker [ chiefly Australian ], viands , victuals , vittles Visit the Thesaurus for More.

First Known Use of chuck Verb 1 14th century, in the meaning defined above Noun 1 , in the meaning defined above Verb 2 15th century, in the meaning defined at sense 1 Noun 2 , in the meaning defined at sense 1 Noun 3 , in the meaning defined at sense 1. History and Etymology for chuck Verb 1 Middle English chukken , of imitative origin Noun 1 perhaps from chuck chicken Verb 2 origin unknown Noun 3 English dialect chuck lump.

Keep scrolling for more. But it has the less gripping capacity as only three jaws are used and centering accuracy is soon lost due to wear. As the name implies, a combination of chuck, as shown in the figure. It is used both as a self-centering and an independent chuck to take advantage of both the types.

The jaws are operated individually by separate screws or simultaneously by the scroll disc. The frame has teeth cut on its underside which meshes with the scroll and all the jaws together with the screws move radially when the scroll is made to rotate by a pinion. The chuck is used for holding a very thin workpiece made of magnetic material which cannot be held in an ordinarily chuck. It is also used where any distortion of the workpiece due to the pressure of the jaws is undesirable.

The holding power of the chuck is obtained by the magnetic flux radiating either from the electromagnets or from the permanent magnets introduced within the chuck. In the ON position, the flux passes through the workpiece and grips it. Collet chucks are used for holding bar stock in production work where quick setting and accurate centring is needed. The chuck attached to the spindle by a nut consists of a thin cylindrical bushing known as collet having a slots cut lengthwise on its periphery.

The inside bore of the collet is cylindrical, hexagonal, square, Nutool Wood Lathe Chucks etc. Depending on the shape of the work that will pass through it. The outside surface of the collet which is tapered fits in the taper hole on the body of the chuck, and the tail end which is threaded meshes with a key. When the key is turned from outside, the collet is drawn in resulting in the split tapered end to be pushed inward due to the springy action.

And the workpiece is securely and accurately held in the chuck. Different Rockler Lathe Chuck sizes of collectors are used for holding different sizes of the bar stock. These chucks are commonly used in capstan and turret lathes. This type of chuck shown in the figure. It is used in mass production work for its fast and effective gripping capacity.

The mechanism incorporates a hydraulic or air cylinder mounted at the back end of the headstock spindle and rotates with it. Fluid pressure is delivered to the cylinder by operating a valve with a lever and the piston will slide within the cylinder. The movement of the piston is transmitted to the jaws by a connecting rod and links and the jaws grip the workpiece securely.

A drill chuck is sometimes used in a lathe for holding straight shank drill, reamer, or tap for drilling , reaming , or tapping operation. The chuck is held either in headstock or tailstock spindle. It has centering jaws which have operated by rotating a key. So now, we hope that we have clear all your doubts about Chuck. We have also Facebook community for you guys, if you want, you can join our community, here is the link to our Facebook group.

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The Engineers Post. By Saif M. On: October 6, Types of Chuck in Lathe Machine: Contents show. Types of Chuck in Lathe Machine:.

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