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A boring bar is a tool used in metalworking and woodworking. Boring is a technique used in many aspects of building. Woodworkers have used boring as a form of drilling for centuries. In woodworking, the boring tool is static in size and used to form circular plunge cuts. In metalworking, boring is slightly different in that the hole that ...
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.
A horizontal boring machine or horizontal boring mill is a machine tool which bores holes in a horizontal direction. There are three main types — table, planer and floor. [ 1 ] The table type is the most common and, as it is the most versatile, it is also known as the universal type.
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 .
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One of the boring machines used for the Channel Tunnel between France and the United Kingdom. A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology.
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The Boring Company (TBC) is an American infrastructure, tunnel construction service, and equipment company founded by Elon Musk. TBC was founded as a subsidiary of SpaceX in 2017, and was spun off as a separate corporation in 2018.
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