The working principle of a six-axis force sensor
Release Time:
2025-11-01
The weighing and batching system operates on the following basic principle: The 6-axis force sensor first sets the target addition values for each material based on the specified mixing ratio. The weighing sensor controller or PLC then sequentially controls the feeding of each material. As each material is added, its weight is continuously monitored by the weighing sensor instrument until the set target value is reached, at which point the corresponding feed valve is automatically closed. Once all materials have been added according to their individual set quantities, the system waits for the next material to enter the process. This sequence continues until all materials have been accurately weighed and added in accordance with the pre-defined ratios, ensuring precise batching every time.
The gravitational force G acting on the object being measured causes the elastic element to deform by ε, which in turn induces stretching or compressive strain in the resistance strain gauge. This elastic deformation is directly proportional to the external force: ε ∝ G. According to the theory of the resistance strain effect, the relative change in resistance (△R)/R is also proportional to the strain ε: (△R)/R = kε, where k represents the sensitivity coefficient of the resistance strain gauge. Therefore, (△R)/R ∝ G. By measuring the unbalanced voltage Um in a Wheatstone bridge and subsequently amplifying, transmitting, and processing it through a weighing controller, we can accurately determine the weight G of the object being measured.
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