| 单词 | drawing roll |
| 释义 | > as lemmasdrawing roll drawing roll n. (a) either of a pair of rolls between which wire may be passed as part of the drawing process (now rare); (b) (in preparing fibre for spinning) one of the rolls of a drawing machine between which slivers of cotton, wool, etc., pass in the process of being drawn. ΚΠ 1838 Sheffield Independent 14 July 1 Vices, pair of Drawing Rolls. 1839 U.S. Patent 1,259 5/2 This machine when set up will be about 4 feet in length, 2 feet wide and 3 feet 6 inches high to the top of the drawing rolls. 1938 W. Von Bergen & H. R. Mauersberger Amer. Wool Handbk. 415 The name, ‘Porcupine’, is associated with French drawing because brass porcupine rollers, studded with fine steel pins are employed between the front and back drawing rolls. 1996 V. Stoiljkovic et al. in E. Kuljanic Adv. Manuf. Syst. & Technol. 382 The feed value that cannot be shown in its real value is expressed through the drawing rolls diameter. 2003 G. Reese in J. Scheirs & T. E. Long Mod. Polyesters v. 420 The former simplifies handling, but can require very high final roll speeds since the drawing rolls must operate at several times the spinning speed. < as lemmas |
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