Development of High-Speed Rotary Tiller (Part 4)-Performance of the Large-sized Rotary Tiller-

DOI Web Site 1 Citations 8 References
  • GOTOH Takashi
    The Japanese Society of Agricultural Machinery Crop Production Machinery and System Department, Bio-oriented Technology Research Advancement Institution Present address: Fundamental Technology Department, Bio-oriented Technology Research Advancement Institution, National Agriculture and Bio-oriented Research Organization
  • HORIO Mitsuhiro
    The Japanese Society of Agricultural Machinery Crop Production Machinery and System Department, Bio-oriented Technology Research Advancement Institution Present address: Fundamental Technology Department, Bio-oriented Technology Research Advancement Institution, National Agriculture and Bio-oriented Research Organization
  • ICHIKAWA Tomohiko
    The Japanese Society of Agricultural Machinery Crop Production Machinery and System Department, Bio-oriented Technology Research Advancement Institution Present address: Fundamental Technology Department, Bio-oriented Technology Research Advancement Institution, National Agriculture and Bio-oriented Research Organization
  • KOBAYASHI Tomoo
    Tractor Planning Department, Research & Development Division, Yanmar Agricultural Equipment Co., Ltd. Present address: Research & Development Division, Yanmar Agricultural Equipment Co., Ltd.
  • NIO Yukio
    Tractor Planning Department, Research & Development Division, Yanmar Agricultural Equipment Co., Ltd.
  • SUDOH Takaaki
    Tractor Planning Department, Research & Development Division, Yanmar Agricultural Equipment Co., Ltd.

Bibliographic Information

Other Title
  • 高速耕うんロータリの開発（第４報）―大型開発機の作業性能―
  • コウソクコウウンロータリ ノ カイハツ ダイ4ホウ オオガタ カイハツキ ノ サギョウ セイノウ
  • Performance of the Large-sized Rotary Tiller
  • 大型開発機の作業性能

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Description

A prototype of the large-sized high-speed rotary tiller was employed to investigate power requirement, working accuracy, etc. in two to five paddy fields and compared with the results of a conventional rotary tiller that performs two cuts per rotation. As a result, the following were found. (1) The maximum forward speed of the developed tiller was 15 to 40% higher than that of the conventional tiller. (2) The developed tiller had the PTO specific power that was 10% lower, the specific thrust force that was 20 to 50% lower and the vibration level at the tractor seat that was 1 to 3dB lower than those of the conventional tiller. (3) The soil pulverizing performance of the developed tiller was on almost the same level as that of the conventional tiller on wet fine-textured paddy fields but was superior to that of the conventional tiller on other paddy fields. (4) The soil turning performance and leveling performance of the developed tiller were good and almost the same level as the conventional tiller that worked one step slower in forward speed.

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