Optimum Design on Trapezoidal Thread Parameters of Co-Rotating Twin Screw Extruder

Ping Wang; Xiao Yang Shen; Xian Liang Zong

doi:10.4028/www.scientific.net/AMR.97-101.245

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Optimum Design on Trapezoidal Thread Parameters of...

Optimum Design on Trapezoidal Thread Parameters of Co-Rotating Twin Screw Extruder

Abstract:

In order to design trapezoidal thread parameters of co-rotating twin screw extruder that is used in non-fused materials processing, based on geometry of fully wiped co-rotating twin screw extruder by M. L. Booy, the paper adopts tangential approximation method to determine the parameters of trapezoidal thread choosing tangent of especial point of normal section curve. And reasonable spans of oblique angle, actual top width of flight, channel depth and thread lead are determined by the optimum design with objective function of maximal theoretical flux. Experiments show that a co-rotating twin screw pulping extruder of trapezoidal thread designed by the method is easier to machine and measure, and pulp processed by the twin screw pulping extruder can meet the quality requirements. Thus, twin screw designed by the method reserves the main strongpoint of the fully wiped co-rotating twin screw extruder.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

245-249

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.245

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Online since:

March 2010

Authors:

Ping Wang, Xiao Yang Shen, Xian Liang Zong

Keywords:

Co-Rotating Twin Screw Extruder, Optimization Design, Thread Parameter, Trapezoidal Thread

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