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Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
ew-cut′--ting die. The cutting device in a screw-plate, screw-stock, or screw-cutting machine (which see). Screw-cut′ting En′gine. See screw-cutting machine. Screw-cut′ting gage. A device having angles by which is determined the inclination of the point of the cutting-tool, and also the inclination of the tool when arranged in the post for cutting the thread. Screw-cutting gage. Screw-cut′ting lathe. A machine of this kind was invented by Besson in France as early as 1569. It embraced a guide-screw, which was caused to advance the cuttingtool at the same time that the work was rotated by means of a series of cords, pulleys, and weights. Screws of any pitch might be cut by using pulleys of different diameters, and right or left hand threads by crossing or uncrossing the belts. It was farther improved by Hindley, a watchmaker of York, England, about 1741. It was a watchmaker's and bench instrument for many years before it had any place in the machine-sh