—Combine harvesters are complex agricultural machines that perform multiple operations — cutting, threshing, and cleaning — in one continuous process. To ensure smooth and reliable operation, precise mechanical control is required for various functions such as throttle control, header height adjustment, grain unloading, and clutch engagement. In this system, control cables (also known as mechanical control lines or push-pull cables) play a vital role in transmitting motion and force from the operator’s controls to the mechanical components located throughout the machine.
—Advantages and Performance Results
After installation, the harvester underwent field testing during the wheat and corn harvesting seasons. The use of high-quality control cables resulted in:
• Smoother operation: Minimal friction and flexible routing improved the operator’s control experience.
• Higher reliability: No cable failures occurred even under continuous high-load operation.
• Reduced maintenance: Sealed design prevented dust and water ingress.
• Improved ergonomics: The operator could easily control multiple systems from the cab, reducing fatigue.
—Working Principle Diagram
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