Xjcsensor / X-ST32-H28-A / Static Torque Sensor

Suitable for static and discontinuous rotation torque measurement;
Material: Aluminum alloy
Exterior: Compact structure

1、Static torque sensor is a kind of sensor used to measure the torque of a stationary or slowly rotating object.
2、The flange mounted sensor is connected with a load transfer device, which can output voltage or current signals.
3、Static torque sensors can be used in various industrial fields, such as electric screwdrivers, torque wrenches, wind turbines and so on.
4、Small size, light weight and convenient installation and use.
5、 High detection accuracy, good stability and strong anti-interference ability.

The KWR61N150 series is a small size, large range torque sensor designed with a special structure, specifically designed to measure the torque at the output end of the joint reducer of the robotic arm. It is conducive to decoupling the dynamic model of the robotic arm, performing position control based on dynamics, and achieving force control.

KWR61N66 Joint Torque Sensor is a high-precision product powered by 9~24V DC and outputting digital signal RS485. The wiring method is that the red line corresponds to positive power supply, the black line corresponds to negative power supply, the green line corresponds to 485A+, and the white line corresponds to 485B -. In addition, this product can also output 0-10V, with the red line corresponding to positive power supply, the black line corresponding to negative power supply, the green line corresponding to positive signal, and the white line corresponding to negative signal. The outer diameter of this product is Φ 61mm, with a total height of 10mm, including the height of the built-in circuit board. For the production calibration testing of joint torque sensors, the calibration experimental measurement system includes a high-precision six and a half position instrument, a DC stabilized power supply, a calibration table, and weights. The elastic body is connected to the PCB, and torque calibration is performed by adding weights to the lever connected to the torque measurement sensor, thereby accurately fitting the torque coefficient of the joint. The range of this product is 66Nm, and the detection range of repeatability, nonlinearity, and hysteresis is within 0.5% F.S. It can withstand 200% safe overload and 300% ultimate load. In addition, when subjected to lateral torsional loads, the maximum lateral ultimate bending moment of this product is 66Nm, the torsional stiffness is within 25.4kNm/Rad, and the maximum torsional angle does not exceed 0.03 °. The lateral ultimate load of the sensor is 11.5kN; the axial load limit is 6.39 kN. The applicable working temperature range of this product is between -10 ℃ and 80 ℃, and it can adapt to various complex environments.

Suitable for measuring the torque of static and discontinuous rotation.

Mainly used as torque sensors at robot joints, it is a key component for accurately measuring joint output torque. Its characteristics directly affect the force control performance, dynamic response, and safety of the robot. The core component for achieving high dynamic performance and safe interaction of robots, especially in scenarios that require force control or compliance control, is indispensable. The following are its main characteristics:

1) High rigidity: Made of high-quality stainless steel material

2) High strength anti-interference structure

3) Fast dynamic response: The response frequency can reach several kilohertz (kHz), suitable for high-speed motion or high-frequency force control needs, low latency: real-time feedback of torque changes, improving closed-loop control performance

4) Temperature compensation

5) Compact structure and lightweight: Embedded design, directly integrated into joint drive units, saving space

6) Multiple signal outputs: Supports analog signals (± 10V, 4-20mA) or digital interfaces (RS485, CAN, etc.).

Torque sensor （KWR60N49）is a high-precision product that uses digital output. The outer diameter of this product is 60mm, the height is 21mm, and it works at the rated range of 49 Nm. Its accuracy can reach at least 0.5% F.S., and its nonlinear and hysteresis performance can be controlled within the accuracy range. In addition, after finite element analysis and verification, the sensor can withstand a lateral ultimate bending moment of 60 Nm, and its strong lateral torsional bearing capacity ensures stability under normal use. The torsional stiffness is maintained within 57 kNm/Rad, and the maximum torsional angle does not exceed 0.04 °. The axial ultimate load of 2 kN and the lateral ultimate load of 3 kN perform equally well. The excellent compressive and tensile performance lays a solid foundation for the digital signal output of the product in the direction of the rated torsional moment, thereby demonstrating outstanding performance. The sensor can operate within a wide temperature range of -10~80 ℃, with a temperature span of up to 90 ℃. Even in extremely harsh temperature environments, our sensor can maintain excellent performance. The product design is based on a solid theoretical foundation, and the test results have extremely high credibility.

1. It can measure both static torque and rotational torque
2. The torque accuracy can reach ± 0.5% F.S
3. The torque range and sleeve price can be customized according to needs
4. The sleeve is equipped with a display screen that can display the tightening torque in real time
5. It has real-time torque and peak torque selection switching display
6. Equipped with wireless torque data real-time transmission function, wireless data transmission distance<10 meters
7. The matching computer testing software can display real-time torque and automatically save information such as the number of bolts tightened, torque curve, etc. as an Excel format file for easy traceability and query
8. After charging, the working time is about 10 hours
9. Can be applied to hydraulic torque wrenches, electric torque wrenches, and pneumatic torque wrenches to achieve torque data communication transmission and automatic control

KWR61N150 Joint Torque Sensor is a high-precision product that uses RS485 communication output and 5V DC power supply. This product has an outer diameter of Φ 61mm and a height of 17.5mm, including the height of the built-in PCBA circuit board and the height of the fixing screws. When selecting products, it is often necessary to calculate the force situation of joints in the robot system to ensure that the torque sensor matches the joint torque parameters in the design, so that the torque is within the linear detection range. The detection range for repeatability, nonlinearity, and hys。teresis of this product is within 0.5% F.S. The torque borne by the joint can be expressed through a specific formula. After calculating the maximum torque borne by the joint, it can be used as a selection basis for sensor range and overload resistance. This product has a range of 150Nm and can withstand 200% safe overload and 300% ultimate destructive load. In addition, when subjected to lateral torsional loads, the maximum rated bending moment of the sensor is 110 Nm, the torsional stiffness is maintained within 214 kNm/Rad, and the maximum torsional angle does not exceed 0.04 °. When the sensor is subjected to lateral load, the maximum rated load is 14.42kN; in the direction of the sensor bearing axis, the rated load limit is 9.61 kN. The applicable working temperature range of this product is between -10 ℃ and 80 ℃, which can better adapt the torque sensor to various complex environments.

The KWR86N80 series torque sensor is a medium-sized and medium range joint torque sensor designed with a special structure. This is a sensor for measuring robot joint torque. This torque sensor adopts a disc design with low height and a double flange structure inside and outside, resulting in excellent installation strength and great stiffness. This sensor can measure both the clockwise and counterclockwise torque of the expenditure. We can produce all the force range according to client’s demands.