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How to arrange and install the rotary tiller?
Before rotating the tillage operation, the proper arrangement of the rotary knife is crucial. Incorrect installation can significantly impact the quality of the work, and due to unbalanced blade rotation, it may cause mechanical damage, increase vibration, and even pose safety risks.
To ensure the rotary cultivator functions effectively and avoids ploughing or clogging, the knife shaft must be evenly distributed. The blades on the shaft should meet specific requirements:
1. Use more than two blades to ensure an equal amount of soil is cut, resulting in better soil quality. After cultivation, the bottom of the furrow should be flat and even.
2. During one full revolution of the cutter shaft, at the same phase angle, a blade must be inserted into the soil to maintain stability and balance the load on the shaft.
3. For consecutive blades inserted into the ground, the greater the axial spacing between them, the better, as this helps prevent clogging.
4. Left and right bending blades should be staggered as much as possible to balance the forces on both ends of the cutter shaft. Typically, the blades are arranged in a helical pattern.
There are three common ways to install the rotary knife:
1. All blades are installed facing the center of the shaft. This results in a raised middle after cultivation.
2. Except for the outermost two blades, all others are installed outward. This leads to a concave middle after use.
3. A mixed installation with staggered inner and outer blades produces a smooth and even surface after cultivation.
In Guangdong Province, the 12?K walking tractors are widely used, and they are often equipped with rotary cultivators. These machines typically have 16 blades on the cutter shaft. The left and right halves are arranged in a staggered manner, making them suitable for paddy fields, dry land, and especially vegetable cultivation.
When installing the rotary blade, it's important to ensure the cutting edge faces the soil. This ensures efficient and effective tilling, reducing resistance and improving overall performance. Always double-check the blade orientation before starting the machine to avoid any unnecessary wear or damage.