Grain harvester
High-Efficiency Operation
1. Rapid Harvesting**
- A single harvester can cover 50-100 mu (approx. 8.25-16.5 acres) per day (varies by model and terrain), 20 times faster** than manual labor.
- Example: Harvesting 1 mu of wheat manually requires 5 workers/day, while a harvester completes it in 10-20 minutes
2. Continuous Operation**
- Capable of prolonged work (e.g., day-night shifts), ideal for urgent harvesting during rainy seasons or for crops prone to lodging.
Product Details
Core Structure and Working Principles**
1. **Key Components and Functions**
- **Header**: Cuts crops (adjustable height/angle).
- *Types*: Rigid header (wheat/rice), corn header, flexible header (soybeans/lodged crops).
- **Threshing Unit**
- *Cylinder & Concave*: Spike-tooth (rice), rasp-bar (wheat), axial-flow (universal, e.g., Case IH Axial-Flow).
- **Cleaning System**
- *Fan + Sieve*: Separates grains from debris (cleaning efficiency >95%). 
- **Power & Transmission**
- *Engine*: 90-400 HP diesel (e.g., John Deere 9R series with 600L fuel tank for 12-hour operation).
- *Transmission*: Mechanical (traditional) vs. hydrostatic (efficient, e.g., CLAAS LEXION).
. **Workflow**
- Cutting → Conveying → Threshing → Cleaning → Grain Storage → Straw Handling (mulching/baling).
- *Key Metrics*:
- **Throughput (kg/s)**: 5-15 (small), 20-40 (large).
- **Grain Breakage Rate**: <1.5% (premium models).
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