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What is the "excavating force-speed" curve of an excavator?

3 Views Dec 05,2023

The "excavating force-speed" curve of an excavator represents the relationship between the excavating force and excavation speed. This curve is usually drawn from a series of test data, where the abscissa is the digging speed  and the ordinate is the digging force.
On the curve, it can be observed that the digging force  gradually decreases as the digging speedincreases. This is because when the excavator excavates at a faster speed, the number of impacts that each component of the excavator (such as the bucket, etc.) receives per unit time will increase, resulting in increased fatigue and wear of the components, thus reducing the The digging force of the excavator.

In addition, the excavator's "excavating force-speed" curve can also guide the operator to choose the appropriate operating mode according to different operating needs. For example, if you need to excavate softer soil, you can choose a higher excavation speed to improve excavation efficiency; if you need to excavate harder rock or frozen soil, you can choose a lower excavation speed to increase the excavation force and ensure the excavation effect.

In short, the "excavating force-speed" curve of an excavator is an important reference index that can help operators better understand the performance characteristics of the excavator and choose the appropriate operating mode according to different operating requirements.

Excavator performance evaluation: By observing the "excavating force-speed" curve, the excavator's performance can be evaluated. For example, if the curve drops more gently, the excavator performs better; if the curve drops steeper, the excavator performs worse.

Adaptability to the operating environment: By observing the "excavating force-speed" curve, you can understand the adaptability of the excavator in different operating environments. For example, if the curve is relatively gentle in both high-speed and low-speed areas, it means that the excavator can adapt to different operating environments; if the curve drops particularly steeply in a certain speed area, it means that the excavator has poor adaptability in this speed area.

Optimization and improvement of components: By analyzing the "excavating force-speed" curve, you can understand the working status of excavator components at different speeds. In view of the problems shown on the curve, components can be optimized and improved to improve the performance and stability of the excavator.

Safe operation: By observing the "excavating force-speed" curve, you can understand the stability and safety of the excavator at different speeds. During operation, it should be based on the characteristics of the curve.

Choose an appropriate operating speed to avoid dangerous situations caused by too fast or too slow speeds.

In short, the "excavation force-speed" curve of an excavator is an important reference index that can help operators better understand the performance characteristics of the excavator, evaluate the suitability of the operating environment, optimize and improve components, and ensure safe operation.

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