Comparison of Mechanical Property of Single-thread and Double-thread Screw in Twin-screw Extruder

机译：双螺杆挤出机中单螺杆和双螺杆的力学性能比较

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Extrusion technology is characterized by low energy consumption,high efficiency and suited for large-scale mechanized production so it is widely applied to oil factory,food factory and feed factory.This paper established mechanical model and finite element model(FEM)of single-thread and double-thread screw in co-rotating twin-screw extruder and carried out stress analysis on screws of different pitch and screw axis ratio(SAR)through the method of finite element analysis(FEA).It is shown that the maximum stress of single-thread and double-thread screw is negatively related to pitch but positively related to SAR.By comparison,a conclusion that the mechanical property of double-thread screw is superior to single-thread screw in the same working condition is drawn.

机译：挤出技术具有能耗低，效率高，适用于大规模机械化生产的特点，因此被广泛应用于石油厂，食品厂和饲料厂。本文建立了单线力学模型和有限元模型（FEM）。旋转双螺杆挤出机中的双螺杆和双螺杆，并通过有限元分析（FEA）方法对不同螺距和螺杆轴比（SAR）的螺杆进行了应力分析。结果表明，单螺杆的最大应力比较发现，在相同的工作条件下，双螺纹螺钉的力学性能优于单螺纹螺钉。

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来源
《Proceedings of the 5th International Conference on Mechanical Engineering and Mechanics》|2014年|169-174|共6页
会议地点 Yangzhou(CN)
作者
Limin GAO; Kai WU; Kai YANG;
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作者单位

School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,P.R.China;

School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,P.R.China;

School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,P.R.China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械动力学;
关键词
Extruder; Single-thread Screw; Double-thread Screw; Mechanical Property;

机译：挤出机；单螺杆；双螺杆；机械性能;

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Comparison of Mechanical Property of Single-thread and Double-thread Screw in Twin-screw Extruder

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