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In addition, the site was close to Cincinnati's large labor force, the landscape was level making the site's construction easy, it was isolated, which provided safety and security, and it was located 30 to 50 feet above a large water aquifer, which supplied the water needed for uranium metal processing. From 1951 to 1989 Fernald converted ...
In 2006 and 2007 the company brought sewing shears, utility knives, chef shears, hobby knives and a titanium-bonded, spring-assisted pruner to market. [ 7 ] In 2008, Clauss introduced the SpeedPak utility knife and its replaceable cartridges with ten titanium blades, having won a Good Design Award from the Chicago Athenaeum, Museum of ...
The plowshare itself is often a hardened blade dressed into an integral moldboard (by the blacksmith) so making a unified combination of plowshare and moldboard, the whole being responsible for entering the cleft in the earth (made by the coulter's first cutting-through) and turning the earth over.
Blade shears are similar to scissors, and although most have the hinge at the back of the shears rather than the center, some still have the hinge in the center, e.g. Jakoti shears. More recent design improvements using a acetal bearing system fitted with superior wear resistant tool steel blades has greatly increased the longevity of the shears.
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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]
Although the razor blades are of low cost, they need to be frequently changed to ensure a good quality slit edge. Rotary shear slitting. Male and female circular knives, or as they are also called, top and bottom shear-cut knives [2], engage to give a scissor cutting effect. This system is used widely on paper, films and foils.
A 5-degree shear angle decreases the force by about 20% [citation needed]. The amount of energy used is still the same. The moving blade may also be inclined 0.5 to 2.5°, called the rake angle, to keep the material from becoming wedged between the blades. However, raking the blade compromises the squareness of the edge. [4] The machine ...