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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.
Historically, cannons had been cast with a core and then bored to remove imperfections, but in 1774 Wilkinson patented a technique for boring iron guns from a solid piece, rotating the gun barrel rather than the boring-bar. This technique made the guns more accurate since the bore was uniform in diameter, and less likely to explode.
But boring chips matter too. As Fortune’s Lionel Lim writes today, China will in the coming years continue to make most of the “legacy chips"—using older, ...
There may be few places where this tension is playing out so plainly as it is at Elon Musk’s Boring Company, the tunnel construction startup backed by Sequoia Capital and Vy Capital that is ...
COMMENT: At last night’s Globes, arthouse cinema reigned supreme and ‘Wicked’ went home (practically) empty-handed – fine for the Oscars, but this ceremony is meant to be a panoply of ...