| 单词 | screw moulding |
| 释义 | > as lemmasscrew moulding screw moulding n. †(a) moulding made in a spiral pattern (obsolete); †(b) the process of making a screw in a greensand mould; see greensand n. 2 (obsolete); (c) a form of injection moulding in which material is melted around a helically ridged piston, the rotation of which transports the material to the front of the piston before being forced into a mould. ΚΠ 1867 Sci. Amer. 9 Feb. 94/2 The tool herein described for cutting rope or screw molding, constructed and operating substantially as described. 1894 S. Bolland Encycl. Founding 375 Screw-moulding.—Cast-iron screws for conveyors and elevators are made in greensand by screwing a section of screw through the entire flask. 1962 Techn. Papers 18th Ann. Techn. Conf. Soc. Plastics Engineers 8 9-1 1/2 (caption) Standard Screw & Valve Head Screw For Plunger Screw Molding. 2015 World Market Intelligence 7 Nov. 5 TGE offers services such as..plant design, screw molding, logistical support, testing, inspection, technology research and development, and environment and sustainable development services. < as lemmas |
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