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Influencing Factors of Cutting Force for Apple Tree Branch Pruning

Author

Listed:
  • Chengjun Li

    (School of Engineering, Beijing Forestry University, Beijing 100083, China)

  • Hanshi Zhang

    (School of Engineering, Beijing Forestry University, Beijing 100083, China)

  • Qingchun Wang

    (School of Engineering, Beijing Forestry University, Beijing 100083, China)

  • Zhongjia Chen

    (School of Engineering, Beijing Forestry University, Beijing 100083, China)

Abstract

Apple, which occupies the first position in the world with regard to its yield, is an important economic crop in China. Pruning of apple trees is still dominated by manual pruning, resulting in high labor costs and low efficiency. Additionally, there are some limitations with pruning machines. Thus, research regarding the mechanical properties of apple branches is the basis for the designing proper pruning machine. This paper aims to study the effect of the feed rate, cutting line speed, branch diameter, and moisture content on the cutting force. Results revealed that cutting force depended on the feed rate, cutting line speed, and branch diameter. Furthermore, both the cutting line speed and the branch diameter had a significant effect on the cutting force ( p < 0.01), while the feed rate had a small effect on the cutting force ( p > 0.05). However, the moisture content had no effect on the cutting force, with a difference of cutting force between samples with moisture content of 15% and 50% less than 5%. Based on the experiments performed, an equation relating the feed rate, the cutting line speed, the branch diameter was derived to calculate the cutting force. By verification test, it established that regression equation was valid with error less than 4%. This study explored the mechanical properties of apple branch, and obtained the optimal cutting parameters, which can provide a reference for the design of the pruning machine.

Suggested Citation

  • Chengjun Li & Hanshi Zhang & Qingchun Wang & Zhongjia Chen, 2022. "Influencing Factors of Cutting Force for Apple Tree Branch Pruning," Agriculture, MDPI, vol. 12(2), pages 1-10, February.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:2:p:312-:d:754823
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    References listed on IDEAS

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    1. Sally A. Bound, 2021. "Managing Crop Load in European Pear ( Pyrus communis L.)—A Review," Agriculture, MDPI, vol. 11(7), pages 1-26, July.
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    Cited by:

    1. Teng Wu & Fanting Kong & Lei Shi & Qing Xie & Yongfei Sun & Changlin Chen, 2022. "Power Consumption Influence Test of Castor Disc-Cutting Device," Agriculture, MDPI, vol. 12(10), pages 1-14, September.
    2. Daipeng Lu & Wei Wang & Encai Bao & Shilin Wang & Xue Wu & Zongchun Bai & Yuxin Tang, 2022. "Cutting Mechanical Properties of Pumpkin Grafted Seedling Investigated by Finite Element Simulation and Experiment," Agriculture, MDPI, vol. 12(9), pages 1-18, September.

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