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A lead screw is sometimes used with a split nut (also called half nut) which allows the nut to be disengaged from the threads and moved axially, independently of the screw's rotation, when needed (such as in single-point threading on a manual lathe). A split nut can also be used to compensate for wear by compressing the parts of the nut.
Then, when the nut is closed, it resumes the normal movement of a nut on a screw (in which axial travel is linked to rotational travel) A split nut assembly is often used in positioning systems, for example in the leadscrew of a lathe. It is one of the machine elements that makes single-point threading practical on manual (non-CNC) lathes.
Henry Maudslay's early screw-cutting lathes of circa 1797 and 1800.. A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting very accurate screw threads via single-point screw-cutting, which is the process of guiding the linear motion of the tool bit in a precisely known ratio to the rotating motion of the workpiece.
Maudslay was the fifth of seven children of Henry Maudslay, a wheelwright in the Royal Engineers, and Margaret (nee Whitaker), the young widow of Joseph Laundy. [1] His father was wounded in action and so in 1756 became an 'artificer' at the Royal Arsenal, Woolwich (then in Kent), where he remained until 1776 [2] and died in 1780.
The name screw machine is somewhat of a metonym, as screw machines can make parts other than screws or that are not threaded. However, the archetypal use for which screw machines were named was screw-making. The definition of the term screw machine has changed with changing technology. Any use of the term prior to the 1840s, if it occurred ...
A corkscrew is a tool for drawing corks from wine bottles and other household bottles that may be sealed with corks. In its traditional form, a corkscrew simply consists of a pointed metallic helix (often called the "worm") attached to a handle, which the user screws into the cork and pulls to extract it. Corkscrews are necessary because corks ...
Used to slash the tops of bread loaves in artisan baking. Lélé Baton Lélé: A six-pronged wooden stick used in Caribbean cooking like a whisk. [6] Lemon reamer: A juicer with a fluted peak at the end of a short handle, where a half a lemon is pressed to release the juice. Lemon squeezer
A wine stopper is an essential wine accessory to close leftover wine bottles before refrigerating them. Wine stoppers are used because it is hard to put the original cork back into the bottleneck. Wine stoppers vary in shapes, sizes, and materials. The three typical types are the cork wine stopper, rubber wine stopper, and plastic wine stopper.