Improvement of the Extruder Construction

  • V. KushnirEmail author
  • N. Gavrilov
  • T. Shkotova
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


The paper describes the theoretical calculation of the process of processing the feed by creating a hydraulic shutter using the physical and mechanical properties of the material (the angle of pinching the material). Theoretical problems of the fundamentals of material deformation are considered, a scheme for calculating the effective forces for the creation of a hydraulic shutter is developed. In this case, the structural changes of the extruder screw are achieved by making the bevel angle of the screw extruder surface (View A). There are the theoretical analysis of the dependence of the torque on the viscosity of the feed, on the angle of the slope of the surface of the screw, analysis of the dependence of the power and capacity of the extruder on the speed of the screw and on the angle of the slope of the screw surface, on the viscosity of the feed. Analytical dependencies for the extruder output on its constructive-regime parameters during processing of feed are substantiated. The basic disadvantages are high power consumption of the process, insufficient performance, wear of the tool, and the others.


Extruder Screw surface Hydraulic shutter Increase the productivity 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.A. Baitursynov Kostanay State UniversityKostanayKazakhstan
  2. 2.ITMO UniversityPetersburgRussia

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