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Research on Axial-Flow Corn-Threshing Technology for High-Throughput Conditions

Author

Listed:
  • Lin Niu

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Pengxuan Guan

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Xinxin Wang

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Yang Wang

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Duanyang Geng

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

Abstract

To address the problems of corn harvesting in the Yellow Huaihai region with high moisture content, such as grain damage and high failure rate, a wider and taller ripple block threshing element was designed by combining the threshing principles of different threshing elements and analyzing the effects of the overall layout and parameters of the element on the threshing process. The threshing element can improve the collision attitude between the corn and the element and prioritize part of the corn kernels falling off during the collision, which makes the subsequent threshing smoother and realizes a low crushing rate of corn in the process of corn detachment. The different stages of the corn-threshing process were analyzed, a threshing simulation test was carried out, and the threshing force of the intact corn on the top side was measured to be 42.86 N; the closer the kernel was to the position of the dislodged kernel, the more the dislodging force was gradually reduced, with a minimum of 2.09 N, which verified that it was difficult to dislodge the kernel when the ear was intact and that the difficulty of dislodging the kernel around the kernel decreased as the corn was dislodged.

Suggested Citation

  • Lin Niu & Pengxuan Guan & Xinxin Wang & Yang Wang & Duanyang Geng, 2025. "Research on Axial-Flow Corn-Threshing Technology for High-Throughput Conditions," Agriculture, MDPI, vol. 15(8), pages 1-16, April.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:8:p:896-:d:1638629
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