**5. Conclusions**

A simulation model of the cutting system for Chinese little greens was established, and the influence law of the working parameters of the cutting device on cutting characteristics was studied. The optimal cutting parameters were obtained by using the method of combining numerical simulation and orthogonal experiment. The result showed that significant influence on the maximum cutting stress was related, in decreasing order, to the oblique angle, the sliding–cutting angle, and the average cutting speed. The ultimate cutting equivalent stress of the upper cutting blade was 0.95 Mpa, and that of the bottom cutter was 0.77 Mpa, at the condition of optimal parameter combinations. Physical tests of stalk cutting showed that the test index was the smallest under the optimal parameter combination. The optimal parameter combination of the cutter in tests significantly reduces the cutting resistance, which provides a reference for the optimization of the cutting device for the Chinese little greens.

**Author Contributions:** Conceptualization, Z.Y. and W.W.; methodology, X.L. and W.W.; software, W.W.; formal analysis, W.W.; investigation, Z.Y.; writing—original draft preparation, X.L.; writing—review and editing, W.W.; supervision, W.W.; funding acquisition, X.L. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was supported by the Jiangsu Agricultural Science and Technology Innovation Fund (No. CX (19)2025) and the Jiangsu Modern Agricultural Equipment and Technology Demonstration Promotion Fund (No. NJ2020–23).

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** Not applicable.

**Conflicts of Interest:** The authors declare no conflict of interest.
