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A part's-eye view of a boring bar. Hole types: Blind hole (left), through hole (middle), interrupted hole (right). In machining, boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a gun barrel or an engine cylinder.
Automotive repair Van Norman pioneered a portable boring bar that could be used to bore the cylinders of automobile engines without removing the engine from the automobile. They also manufactured other automotive service machinery, such as brake lathes and crankshaft grinders .
Akkerman Inc. is a construction equipment manufacturer producing microtunneling, guided boring, pipe jacking, and trenchless products. [1] Akkerman was founded in 1973, is based in Brownsdale, Minnesota, [1] [2] and as of 2013 employed approximately 60. [3] Akkerman develops tunnel boring equipment that can excavate tunnels up to 14 feet in ...
Underground pneumatic boring is a trenchless method of installing underground utilities. The process creates an open-air chamber, referred to as a borehole . The borehole is then used to run utilities.
James Watt was unable to have an accurately bored cylinder for his first steam engine, trying for several years until John Wilkinson invented a suitable boring machine in 1774, boring Boulton & Watt's first commercial engine in 1776. [8] [9] The advance in the accuracy of machine tools can be traced to Henry Maudslay and refined by Joseph ...
Caterpillar Inc., also known as Cat, is an American construction, mining and other engineering equipment manufacturer. [6] The company is the world's largest manufacturer of construction equipment. [ 3 ] [ 7 ] [ 8 ] In 2018, Caterpillar was ranked number 73 on the Fortune 500 list [ 9 ] and number 265 on the Global Fortune 500 list. [ 10 ]
Boring machine may refer to: Boring machine (carpentry) A machine for boring (manufacturing) holes; Tunnel boring machine; A machine that is not very exciting. See also
Directional boring machine. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.
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