Determining the weight of material in an excavator bucket.

In summary, the conversation discusses how one can determine the weight of material in an excavator bucket by using the angle of the boom, angle of the arm, orientation of the chassis, and hydraulic pressure. The speaker admits to having limited knowledge of physics and seeks advice on the matter. Another person suggests that if the excavator has sensors that measure these values, it likely already computes the load. They also mention the importance of knowing the masses of the arm segments and how pressure and geometry can be used to calculate the load.
  • #1
minethat
1
0
I work in the IT department for a small mining company and recently discovered during some product research that one can determine the weight of material in the bucket when given the following:

The angle of the boom
The angle of the arm
The orientation of the chassis
The hydraulic pressure on the boom and arm

Unfortunately I have a very limited knowledge of physics so thought this would be a great place to get some advice.

Any help or a push in the right direction would be greatly appreciated.
 
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  • #2
If the excavator has the sensors that measure all those values, chances are it already computes the load. Also it seems you would need the masses of the arm segments as well.

Pressure and cross-section gives you the force in the pneumatic cylinders. Geometry gives you the torques that the load counters in the hinges and the lever arm of the load. From this you get the load.
 

FAQ: Determining the weight of material in an excavator bucket.

1. How do you determine the weight of material in an excavator bucket?

The weight of material in an excavator bucket is determined by using a scale or load cell attached to the bucket. The weight is then displayed on the scale or load cell's digital readout.

2. What is the purpose of determining the weight of material in an excavator bucket?

Determining the weight of material in an excavator bucket is important for safety and efficiency purposes. It ensures that the excavator is not overloaded and can handle the weight of the material it is carrying.

3. How accurate is the weight measurement for an excavator bucket?

The accuracy of the weight measurement for an excavator bucket depends on the type of scale or load cell used. Most modern scales and load cells are highly accurate, with some having an accuracy of up to 99%. However, it is recommended to calibrate the scale or load cell regularly to maintain accuracy.

4. Can the weight of material in an excavator bucket be measured while the machine is in motion?

Yes, the weight of material in an excavator bucket can be measured while the machine is in motion. However, this may affect the accuracy of the measurement, as the movement of the machine can cause fluctuations in the weight measurement.

5. Are there any limitations to determining the weight of material in an excavator bucket?

One limitation of determining the weight of material in an excavator bucket is that the weight measurement may not be accurate if the material is not evenly distributed in the bucket. Additionally, the maximum weight that can be measured may be limited by the capacity of the scale or load cell.

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