{"id":2316,"date":"2026-08-10T10:24:54","date_gmt":"2026-08-10T02:24:54","guid":{"rendered":"https:\/\/www.huiganis.com\/?p=2316"},"modified":"2026-08-10T10:24:57","modified_gmt":"2026-08-10T02:24:57","slug":"%e4%bb%8e%e5%a4%9a%e9%87%8d%e5%88%b0%e6%80%8e%e4%b9%88%e5%8f%97%e5%8a%9b%ef%bc%9a%e5%85%ad%e7%bb%b4%e5%8a%9b%e4%bc%a0%e6%84%9f%e5%99%a8%e7%9a%84%e5%8d%87%e7%bb%b4","status":"publish","type":"post","link":"https:\/\/www.huiganis.com\/en\/%e4%bb%8e%e5%a4%9a%e9%87%8d%e5%88%b0%e6%80%8e%e4%b9%88%e5%8f%97%e5%8a%9b%ef%bc%9a%e5%85%ad%e7%bb%b4%e5%8a%9b%e4%bc%a0%e6%84%9f%e5%99%a8%e7%9a%84%e5%8d%87%e7%bb%b4\/","title":{"rendered":"From "Multiple" to "How the Force is Received": The Upgrading Logic and Industrial Breakthrough of Six-Dimensional Force Sensors"},"content":{"rendered":"
\"\"<\/figure>\n\n\n\n

In previous articles, we discussed sensors for axle pins, bearing housings, vehicle traction, plate tension, and elevator weighing. Regardless of their form, they essentially solve the same problem: how much force is applied in a certain direction. They are "one-dimensional".<\/p>\n\n\n\n

Six-dimensional force sensors are entirely different. They don't answer "how many" but rather "how the force came about"\u2014what its direction is, where its point of application is, and how large its torque is. This leap from "one-dimensional" to "six-dimensional" is not a simple increase in measurement channels, but rather a completely different set of technical logic and engineering challenges.<\/p>\n\n\n\n

I. Six Dimensions: Replicating the "Tactile Nerve" in Machines<\/strong><\/p>\n\n\n\n

A six-dimensional force sensor, also known as a six-axis force\/torque sensor, can simultaneously measure the force components (Fx, Fy, Fz) in three directions and the torque components (Mx, My, Mz) around these three directions in a Cartesian coordinate system. Simply put, a one-dimensional force sensor tells you "how much is being pulled on this rope," while a six-dimensional force sensor tells you "what kind of force is acting on this point in three-dimensional space"\u2014not only the magnitude of the tension, but also the direction of the tension, the torque off-axis, and the lateral shear force.<\/a>.<\/p>\n\n\n\n

The need for six-dimensional force measurement originated in the aerospace field. Around the 1970s, aircraft research required the measurement of aerodynamic characteristics\u2014lift, drag, lateral force, pitch moment, yaw moment, and roll moment.<\/a>Around 2000, with the emergence of industrial applications such as force control for industrial robots and automotive testing, six-dimensional force sensors entered the stage of engineering and standardization.<\/a>Around 2020, with the rapid development of intelligent robots, represented by collaborative robots and humanoid robots, six-dimensional force sensors ushered in a significant turning point.<\/a>.<\/p>\n\n\n\n

In terms of technology, six-dimensional force sensors mainly include strain gauge type, capacitive type, piezoelectric type, and photoelectric type. Among them, strain gauge technology is the most mature, with high accuracy and relatively controllable cost, and is currently the mainstream choice in the market, with a global market share of 58.31 TP3T in 2025.<\/a>Strain gauge systems typically employ a crossbeam or Stewart platform structure, utilizing strain gauge networking technology to allow force\/torque in each direction to independently trigger resistance changes in a specific strain gauge group. These resistance changes are then converted into voltage signals via a Wheatstone bridge circuit.<\/p>\n\n\n\n

II. Why is the technology of six-dimensional force sensors so technologically advanced?<\/strong><\/p>\n\n\n\n

There is a widely circulated assessment in the industry regarding the technical difficulty of six-dimensional force sensors: it is not simply a superposition of three one-dimensional force sensors and three torque sensors; its difficulty is comparable to that of a one-dimensional force sensor to the power of six.<\/p>\n\n\n\n

Interdimensional coupling (crosstalk) is the most critical challenge.<\/strong>Crosstalk, in this context, refers to the interference that forces in the Y or Z directions can cause when you measure a force in the X direction.<\/a>The root cause lies in the fact that when the sensor's elastic body is subjected to force, a load in one direction inevitably leads to unexpected structural deformation in other directions.<\/a>Almost all multidimensional force sensors suffer from unavoidable interdimensional coupling. Industry data shows that crosstalk of around 11 TP3TFS is considered leading-edge, while 2-51 TP3TFS is more common.<\/a>To eliminate this interference, it is necessary to start from three levels: elastic body structure design, strain gauge layout optimization, and mathematical decoupling algorithm, and build a complete decoupling system from physics to algorithm.<\/p>\n\n\n\n

Temperature drift is another persistent problem.<\/strong>Temperature variations in industrial settings are far more complex than in laboratories\u2014cranes in open-pit mines and robotic arms in temperature-controlled workshops operate under entirely different conditions.<\/a>Scorching sun during the day and freezing temperatures at night; temperature differences of tens of degrees Celsius are commonplace.<\/a>Temperature changes can cause fluctuations in strain gauge resistance, resulting in false outputs that are not indicative of a load condition.<\/a>.<\/p>\n\n\n\n

Calibration and testing is a high barrier to entry.<\/strong>Calibration of a one-dimensional force sensor is relatively simple\u2014just hang a weight on it. A six-dimensional force sensor, however, requires simultaneous loading in six dimensions, applying known forces and torques in all six directions at the same time.<\/a>Calibration equipment often needs to be developed in-house, and the process is complex. The national standard GB\/T 43199-2023 "Specification for Testing Multi-dimensional Force\/Torque Sensors for Robots" officially came into effect on April 1, 2024, specifying the testing conditions and methods for multi-dimensional force\/torque sensors for robots.<\/p>\n\n\n\n

The production process is equally challenging.<\/strong>The core components, elastomers and strain gauges, have long manufacturing processes and require high precision. The installation of metal strain gauges still relies heavily on manual labor, making consistent mass production extremely difficult.<\/p>\n\n\n\n

III. Market Explosion: From "Niche High-End" to "Large-Scale Application"<\/strong><\/p>\n\n\n\n

The six-dimensional force sensor market is undergoing a critical shift from a niche market to a large-scale market.<\/p>\n\n\n\n

Global Markets<\/strong>In terms of the global six-dimensional force sensor market, sales are estimated at approximately $400 million in 2025, reaching $500 million in 2026, with a CAGR of 25.91% from 2026 to 2032, climbing to $1.9 billion in 2032.<\/a>Other statistics show that the total global shipment of six-dimensional force sensors in 2025 was approximately 385,000 units, an increase of 211 million units compared to 2024.<\/a>As the sub-category with the highest technical barriers, six-dimensional force sensors account for 43.61% of the overall high-precision force control sensor market.<\/p>\n\n\n\n

China market<\/strong>The growth rate is even more rapid. The Chinese six-dimensional force sensor market size is projected to exceed 300 million yuan by 2025, representing a year-on-year growth of over 241 billion TP3T.<\/a>In 2025, shipments of six-dimensional force sensors in the Chinese market reached 182,000 units, and are projected to exceed 230,000 units in 2026.<\/a>.<\/p>\n\n\n\n

Humanoid robots are the biggest growth engine<\/strong>By 2025, humanoid robots will have become the largest application scenario for six-dimensional force sensors, accounting for 43.71% of total applications.<\/a>The shipment volume of six-dimensional force sensors for humanoid robots in China is expected to reach 12,300 units in 2025, a surge of 510.11 TP3T year-on-year.<\/a>Industry experts predict that shipments will increase approximately 40-fold by 2030, further expanding to over 460,000 units. A humanoid robot typically needs to be equipped with 4 to 6 six-dimensional force sensors, distributed in the wrist and ankle.<\/a>Each humanoid robot requires 4 to 6 six-dimensional force sensors. At 20,000 yuan per robot, the humanoid robot sector alone could generate approximately 4 billion yuan in market growth by 2030.<\/a>.<\/p>\n\n\n\n

The process of domestic substitution is accelerating across the board.<\/strong>In 2025, the market share of Chinese domestic manufacturers of six-dimensional force sensors reached 58.81% (TP3T), achieving for the first time surpassing foreign manufacturers.<\/a>In the field of six-dimensional force sensors for humanoid robots, leading company Bluepoint Touch has achieved a market share exceeding 701 TP3T, reaching 72.61 TP3T. The domestic production rate has increased from 181 TP3T in 2022 to 311 TP3T in 2025.<\/a>Foreign brand ATI was once the absolute global leader, with a global market share exceeding 301 million T3T. However, in 2026, Bluepoint Touch, leveraging its advantage in the humanoid robot market, achieved a historic breakthrough by surpassing ATI in overall global market share.<\/a>.<\/p>\n\n\n\n

IV. Application Landscape: From Spacecraft to Humanoid Robots<\/strong><\/p>\n\n\n\n

The application scenarios for six-dimensional force sensors are rapidly expanding.<\/p>\n\n\n\n

Industrial robots<\/strong>It is the most traditional application area, with a demand share of 58% in 2025.<\/a>A six-dimensional force sensor is installed at the wrist of the robotic arm, giving the robot "tactile sensation." In automotive gearbox assembly, the sensor monitors insertion resistance in real time, improving the adjustment accuracy of the robotic arm to 0.01mm. Force-controlled grinding and precision assembly, two core application areas, together drive a market of approximately $980 million.<\/a>.<\/p>\n\n\n\n

humanoid robot<\/strong>This is currently the fastest-growing sector. Six-dimensional force sensors are installed on parts such as the wrist and ankle, helping robots achieve precise perception and compliant control. At the 2025 World Humanoid Robotics Games, the sensors installed on the robot's ankles act like sensitive force-sensing nerves, measuring forces and torques in any direction in three-dimensional space in real time.<\/p>\n\n\n\n

medical robots<\/strong>This is another high-value application area. Surgical robots equipped with miniature six-dimensional force sensors at the end effector can achieve sub-Newton level micro-force feedback, avoiding damage to human soft tissue from surgical instruments. The medical field requires multi-dimensional force sensors with an accuracy of 0.01N. The global market size for medical-grade force control sensors is projected to reach $170 million by 2025.<\/a>.<\/p>\n\n\n\n

Automobiles and New Energy<\/strong>This field is also noteworthy. Six-dimensional force sensors are used in applications such as bolt tightening torque control during component assembly and cell compression deformation assessment in battery testing. In automotive crash testing, six-dimensional force sensors on the neck of crash test dummies can accurately simulate the forces experienced by the human neck during a collision.<\/p>\n\n\n\n

V. Zhongke Huigan's Technological Approach: Bringing Six-Dimensional Force from the Laboratory to the Industrial Site<\/strong><\/p>\n\n\n\n

In the field of six-dimensional force sensors, Zhongke Huigan has chosen a unique path\u2014Instead of turning six-dimensional force into a high-cost scientific research instrument, it should be developed into an engineered component that can be embedded in industrial equipment.<\/strong><\/a><\/a>.<\/p>\n\n\n\n

In solving the crosstalk problem, we take a parallel approach of structural decoupling and algorithmic compensation.<\/strong><\/a>The Zhongke Huigan six-dimensional force sensor adopts an integrated symmetrical multi-beam elastic body structure. Multiple strain gauges are distributedly bonded to the surface of the elastic beam to collect six channels of raw deformation signals. The built-in embedded processor runs a self-developed 6th-order decoupling matrix algorithm to automatically cancel crosstalk caused by force coupling in each dimension. The crosstalk error is controlled within 2%FS, which meets the requirements of GB\/T 43199-2023 Robot Multi-Dimensional Force Sensor Testing Specification.<\/a>The engineers' approach was: "Solving coupling problems relies half on structure and half on algorithms."<\/a>.<\/p>\n\n\n\n

In terms of temperature drift control, full-temperature-range compensation is emphasized.<\/strong><\/a>Zhongke Huigan has equipped its production process with wide-temperature-range testing equipment (-40\u2103 to 85\u2103) to perform full-temperature-range compensation for each sensor.<\/a><\/a>More processes and higher costs mean the sensors won't drift in the field\u2014this is the most basic requirement for "reliability" in industrial settings.<\/a>.<\/p>\n\n\n\n

In the calibration process, factory calibration is carried out using a large-tonnage force standard machine.<\/strong>Force sensors have one key characteristic\u2014inaccurate calibration renders them meaningless. Zhongke Huigan utilizes its 1600-ton hydraulic force standard machine for factory calibration.<\/a>This reference system ensures the linear accuracy of each sensor manufactured for industrial environments.<\/p>\n\n\n\n

In terms of application scenarios, it is not limited to high-precision but low-volume fields such as robot joints, but has penetrated into more traditional heavy machinery.<\/strong><\/a>.<\/p>\n\n\n\n

A typical case isCrane torque limit<\/strong>Traditional crane overload prevention often relies solely on a simple tension sensor to measure the weight of the main hook. However, in actual working conditions, the boom angle, lateral wind load, and even centrifugal force during rotation can all affect the overall stability of the crane.<\/a>A crane overturning is often not simply due to "overloading," but rather the result of multiple factors working together.<\/a>The six-dimensional force sensor simultaneously detects the load, lateral bending moment, and torque, allowing the system to anticipate situations where "although the load is not overloaded, excessive lateral force may cause the vehicle to overturn."<\/a>In the intelligent protection systems provided by Zhongke Huigan for construction machinery giants such as Sany and XCMG, force sensors and angle sensors are installed at key stress points of the boom to capture the most accurate load and attitude data in real time. The system performs millisecond-level calculations and risk comparisons on the data\u2014it issues a warning when the load is about to exceed the limit, and triggers an alarm when it actually does.<\/a>.<\/p>\n\n\n\n

Forklift rollover prevention<\/strong>This is another typical implementation logic.<\/a>After the forklift mast is equipped with a six-dimensional force sensor, the system can not only measure the load weight, but also detect the center of gravity shift.<\/a>In warehousing and logistics scenarios, when a forklift turns too sharply, causing the center of gravity of the goods to shift and threatening to tip over, sensors can detect the risk earlier than the driver and intervene to limit the speed.<\/a>Zhongke Huigan's solution integrates multiple sensors such as weighing, tilt angle, and speed to comprehensively monitor the forklift's status, reducing safety risks by over 85%.<\/a>.<\/p>\n\n\n\n

robot end<\/strong>The most straightforward application direction<\/a>With six-dimensional force applied to the robotic arm's wrist, the robot's gripper gains "tactile sensation"\u2014it can handle eggs without crushing them and plug and unplug connectors without resorting to force.<\/a>.<\/p>\n\n\n\n

In addition, Zhongke Huigan has already...Developing MEMS six-dimensional force sensors and IMU inertial measurement units for humanoid robots<\/strong>The past decade has been the decade of "visual perception," and the next decade will likely be the decade of "force perception."<\/a>.<\/p>\n\n\n\n

VI. Conclusion<\/strong><\/p>\n\n\n\n

The value of a six-dimensional force sensor lies in its transformation of "force" from a scalar to a vector\u2014not only telling you how much force there is, but also where it comes from and where it is going. This capability is becoming increasingly indispensable in scenarios such as precision assembly, human-machine collaboration, and medical surgery.<\/p>\n\n\n\n

From its technological exploration in the aerospace field in the 1970s to its large-scale application in the humanoid robot industry today, the six-dimensional force sensor has undergone half a century of development. It has high technical barriers and is difficult to manufacture, but market demand is growing at a rate exceeding 201 million tons per year. The projected market size of over 300 million yuan in China and approximately 400 million US dollars globally by 2025, and the expectation of exceeding 1.9 billion US dollars by 2032, all point to a clear trend: the six-dimensional force sensor is transforming from a "high-end scientific instrument" into a "core component of industrialization."<\/p>\n\n\n\n

The entry of domestic companies like Zhongke Huigan is pulling this technology out of the laboratory and into "rough-and-ready" machines like cranes, forklifts, and robots. Whether this path will succeed depends on how well they address engineering issues such as vibration resistance, temperature drift resistance, and overload resistance. And this is precisely the last hurdle that six-dimensional force sensors must overcome to move from the laboratory to the industrial field.<\/p>","protected":false},"excerpt":{"rendered":"

In previous articles, we discussed sensors for components such as axle pins, bearing housings, vehicle traction force sensors, plate tension sensors, and elevator weighing sensors. Regardless of their form, they are essentially all [\u2026].<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,77],"tags":[],"class_list":["post-2316","post","type-post","status-publish","format-standard","hentry","category-news","category-77"],"_links":{"self":[{"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/posts\/2316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/comments?post=2316"}],"version-history":[{"count":1,"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/posts\/2316\/revisions"}],"predecessor-version":[{"id":2318,"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/posts\/2316\/revisions\/2318"}],"wp:attachment":[{"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/media?parent=2316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/categories?post=2316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huiganis.com\/en\/wp-json\/wp\/v2\/tags?post=2316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}