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What’s a torque sensor?

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A torque sensor measures rotational force on machinery and transmits the data to control systems. The sensor is classified as rotary or reaction and can handle different loads and drives. To prevent measurement errors, a rotating sensor can be used. The type of engine and load force affects the sensor’s rating. It is used in various applications, including pumps, swaging machines, and exercise equipment.

A torque sensor measures the amount of rotational force on mechanical components. The measurements are transmitted to the operators or control systems so that the machinery works correctly and the motors work correctly. In the sensor, a metal spring is attached to a strain gauge, which is affected by the torque the sensor is exposed to. The voltage is generated based on how much torque there is. A torque transducer is generally classified as a rotary or reaction sensor and its function depends on how much torque it can handle, what type of load and drives it is built for, and the load it can tolerate when starting a machine or motor. .

The torque sensor feedback type is stationary and requires a way to connect electrical and electronic connections to the moving components being measured. The most stable systems have a rotary torque sensor, in which the sensor electronics rotate with the sensor. It’s difficult to connect a wire to a rotating sensor, so engineers have added digital electronics that can rotate, attach slip rings, or include radio transmitters. Strain gauge amplifiers and signal converters have also been integrated into rotating components, and more complex designs even have analog-to-digital and digital-to-analog converters.

Measurement errors caused by the force of mechanical components affect the accuracy of an online connected torque sensor. A sensor that rotates while measuring can be a solution to this problem. To prevent the sensor from being damaged, the maximum torque that the sensor can frequently handle must be known. The type of load applied to the sensor can vary greatly depending on where it is used. Load forces from fan or blower, conveyor or crane, on crushing equipment, and automobile engine crankshafts are rated on a scale to rate each torque sensor.

The type of engine the sensor can handle depends on whether it is rated for a four, six or eight cylinder engine or a gas or diesel system. A torque sensor can handle a certain drive force created by the particular type of engine. In a pump, a torque meter can detect changes in flow, while it can measure the amount of force a swaging machine has when putting a cap on a bottle. A torque sensor can also be connected to a conveyor motor to help control tension. It is also used in electronic screwdrivers, as well as exercise and test machines.

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