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.
KWR61N30 torque sensor is a high-precision product that can output both analog and digital signals directly. This product can customize and adapt high-precision signal acquisition modules according to different signal output requirements (such as RS485, CAN signal output). The product has an outer diameter of Φ 61mm and a height of 10mm. At a rated range of 30Nm, its repeatability, nonlinearity, and hysteresis performance can be controlled within the range of 0.5% F.S. When subjected to lateral torsional loads, the maximum rated bending moment of the sensor is 20 Nm, the torsional stiffness is maintained within 57 kNm/Rad, and the maximum torsional angle does not exceed 0.04 °. When the sensor is subjected to lateral loads, the maximum load rating is 4.2 kN; in the direction of the sensor bearing axis, the load limit rating is 2.5 kN. If the lateral ultimate bending moment, lateral ultimate load, or axial ultimate load exceeds these ratings, the sensor structure will face the risk of damage or instability. The applicable working temperature range of this product is between -10 ℃ and 80 ℃. Within this temperature range, the output of the sensor can remain stable and not be affected by temperature fluctuations. Beyond the temperature range, stability may be affected and the output signal may drift or fluctuate. This product has been verified through multiple practical tests, and the theoretical data is highly consistent with the actual data, demonstrating superior performance.
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.
KWR61N66 series torque sensor is designed for measuring the torque value of robot joint. It has unique design with disc deign, low height and double flange structure, to provide enough installation stength and stiffness.
The KWR63 series is a small circle volumn Multi Axis load cell, which is close to the outer diameter of the end of most cooperative robots. The material is aluminum alloy, and the f/t sensor has the characteristics of high overload, high rigidity and high sensitivity.It support wide communication protocol, such as RS422, RS485, Industrial Ethernet, USB, CAN,etc.
KWR63N49 torque sensor is a precision measurement and control device designed specifically for the industrial and commercial robot fields. This product is made of specially designed high-strength stainless steel and integrates high-precision strain measurement circuits and digital signal processing systems internally. It can measure static torque in real time and accurately, and output RS485 signals. This product has the characteristics of high measurement accuracy (comprehensive accuracy ≤ 0.5% FS after calibration), good range stability (temperature self compensation from 0 ℃ to 60 ℃), and sensitive response (minimum resolution of 0.05Nm). It can provide reliable “force perception” capability for rotating machinery systems, helping customers achieve intelligent control and efficient management.
KWR70N108 series torque sensor is made of stainless steel, its material has characristics of corrosion proof, high intensity and high hardness. This torque sensor has middle size with 70mm diameter, and middle range with 108Nm.
The KWR70N30 series torque sensor is a small range joint torque sensor designed with a spoke structure. It is a torque sensor specifically designed for robot joint torque measurement. This torque sensor adopts a disc design, low height, and dual flange structure, providing sufficient installation strength and stiffness. This sensor measures torque in both clockwise and counterclockwise directions. In addition to standard dimensions, customized solutions for torque sensors can also be provided according to customer needs.
As the flagship product of Changzhou Kunwei Sensing Technology Co., Ltd., KWR70N75 torque sensor has the advantages of high precision, high reliability, compact structure, durability, and easy maintenance. Its main characteristic dimensions are a diameter of 70mm and a height of 18mm. It is a force sensing core component designed specifically for industrial and commercial robots.
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.).
This sensor is suitable for most domestic and foreign cooperative robots. It is an embedded high-precision six-axis force sensor that our company hot sells. It uses silicon strain gauge, based on the principle of strain electrical measurement to convert the load into voltage signal, combined with six axis joint calibration technology to make the product achieve higher accuracy and precision. It is widely used in 3C testing, medical testing, drag teaching, automobile testing, and other fields.
KWR75EC series is a kind of hex force torque sensor which integrated with industrial Ethernet moduel, so that the product could better support terminal equipment in various industries. The customer needn’t to configure the serial port server box, which reduces the space occupation and the complexity of the connection.
KWR75S series force sensor is built-in data acquisition system, and Fz is its the main measurement direction the Fz direction. It is one of our hot selling products, which widely used in collaborative robots.
This series torque sensor are suitable for many types of collaborative robot terminals, and it is easy to install and operate. It is widely used in precisions assembly , precisions polishing , Entertainment , constant force grinding and other industries.
KWR85N207 series is a kind of static torque sensor, what is used to measure the output torque of the motor or reducer. Kunwei torque sensor features in high precision, high rigidity, thin thickness, light weight and strong bending resistance.
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.
