A Rice Harvester Is An Agricultural Machine That Integrates Functions Such As Cutting, Conveying, Threshing, Separating, And Cleaning.

A rice combine harvester is an agricultural machine that integrates functions such as cutting, conveying, threshing, separating, and cleaning.
The operation process is divided into four stages:
1. The engine power drives the cutter through the transmission shaft, and the saw blade rotates at a speed of 650-850 rpm to complete crop cutting
2. The telescopic ruler, in conjunction with the spiral auger, transports crops to the threshing bin. The auger diameter of the 2025 model has been increased to 610mm, enhancing the material throughput compared to the traditional 400mm model
3. The thresher achieves grain separation through the interaction between the roller and the concave plate
4. The cleaning device utilizes a combination of a vibrating screen and a fan to achieve the final separation of grains from impurities
The rotational speed and clearance of the threshing cylinder, the air volume of the cleaning device, and the opening degree of the screen are key factors that affect the quality of the operation. These parameters need to be adjusted according to specific operating conditions to optimize the threshing efficiency and reduce losses.