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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]
Shear forming and conventional spinning are being used less than other manufacturing processes such as deep drawing and ironing. Since it can achieve thin sectioned parts of almost any shape, shear forming is a versatile process used widely in the production of lightweight items.
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 ...
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".
Snips, also known as shears, are hand tools used to cut sheet metal and other tough webs. It is a cutting tool. Workers use various types of snips, with the cutting edges being straight or curved to various degrees. The style of edge employed will depend if a straight sheer or some type of shapes cut is necessary.
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.
Shear yielding involves the material undergoing shear flow with minimal or no change in density. In contrast, craze yielding, is highly localized and the macroscopic behaviors of shear and craze yielding differ significantly. [43] [44] Crazing and shear yielding are the two principal deformation mechanisms inherent to polymers.