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Shearing, also known as die cutting, [1] is a process that cuts stock without the formation of chips or the use of burning or melting. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are curved then they are shearing-type operations. [2]
A shear-forming machine looks very much like a conventional spinning machine, except that it has to be much more robust to withstand the higher forces necessary to perform the shearing operation. The design of the roller must be considered carefully, because it affects the shape of the component, the wall thickness, and dimensional accuracy.
A bench shear, also known as a lever shear, is a bench mounted shear with a compound mechanism to increase the mechanical advantage. It is usually used for cutting rough shapes out of medium-sized pieces of sheet metal, but cannot do delicate work. [1] [2] For the small shear, it mostly designed for a wide field of applications. Light weight ...
Shear line (locksmithing), where the inner cylinder ends and the outer cylinder begins in a cylinder lock; Shearing (manufacturing), a metalworking process which cuts stock without the formation of chips or the use of burning or melting; Shear (sheet metal), various tools to shear sheet metal; Board shear, in bookbinding, a tool to cut board or ...
In engineering, shear strength is the strength of a material or component against the type of yield or structural failure when the material or component fails in shear. A shear load is a force that tends to produce a sliding failure on a material along a plane that is parallel to the direction of the force.
Shearing was most commonly used to make woollens and worsted materials. It was a part of dry finishing of woollen and worsted goods. Previously, shearing was also a component of gigging or napping; when partially produced goods were exposed to shear in order to improve the impact of gigging or napping, the process was referred to as "cropping".
The company is still manufacturing scissors today, and is the oldest company in the West to do so. Pivoted scissors were not manufactured in large numbers until 1761, when Robert Hinchliffe of Sheffield produced the first pair of modern-day scissors made of hardened and polished cast steel .
Extruded holes with the punch and die used to create them. No pilot hole was used on the left.. Punching is a forming process that uses a punch press to force a tool, called a punch, through the workpiece to create a hole via shearing.