单词 | draw frame |
释义 | > as lemmasdraw frame draw frame n. Brit. /ˈdrɔː freɪm/ , U.S. /ˈdrɔ ˌfreɪm/ , /ˈdrɑ ˌfreɪm/ [compare earlier drawing-frame n. at drawing n. Compounds 2] (a) a frame or workbench used for the cold-working of rods or other pieces of metal, typically by reducing them to a specific shape, thickness, or size by forcing or pulling them through an aperture in a die; (b) a machine in which slivers of fibre from a carding machine are drawn out and attenuated through a series of rollers in preparation for spinning; = drawing-frame n. (b) at drawing n. Compounds 2.Draw frames are used especially for making wire.ΚΠ 1829 Extractor 2 249/1 This draw-plate is pierced with a number of conical holes of different sizes, the size of the smaller orifice determining the diameter of the wire, which is seized by a strong pair of nippers, and forcibly drawn through these holes when the plate is placed on the draw-frame. 1836 L. Hebert Engineer's & Mechanic's Encycl. I. 406 The draw frame contains several heads of rollers. 1983 C. Evans Jewelry iii. 72 Those wishing to draw heavy-gauge wire and tubing might require the use of a draw frame. 2015 R. S. Kumar Process Managem. Spinning iv. 89 The draw frame primarily improves medium-term and especially long-term sliver evenness through doubling and drafting. < as lemmas |
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