10 21 Why you need to pay attention to cable harnesses for robots
「Harnesses gain attention alongside the growth of the robotics industry」
For precise movement and reliable operation of robots, the drive unit, control system, and various sensors must be organically connected.
In this process, cable harnesses for robots—which transmit power, control signals, and data—are indispensable core components. Industrial robots are utilized across a wide range of fields, including electronics assembly, logistics, inspection, and precision machining, as well as automobile production lines. Recently, collaborative robots and humanoid robots that can operate in the same space as workers have also emerged as major areas of interest in the industry.
The International Federation of Robotics (IFR) presented technological innovation and the expansion of new business sectors as key trends for the robotics industry in 2026, stating that the value of the industrial robot installation market reached a record high of $16.7 billion based on last year’s figures.
What is the connection between the growth of the robotics market and cable harnesses?
Although the required wiring configuration varies depending on the type and structure of the robot, an electrical connection structure for power supply and control signal transmission is essential for most robotic systems. For a robot’s joints, drive sensors, and control devices to function seamlessly together, the wiring connecting each component must be stably structured. Consequently, as the applications of robots expand and their systems become more advanced, application-specific design and reliable manufacturing quality become increasingly critical for cable harnesses.
Unlike general fixed wiring, cable harnesses for robots must take into account various conditions such as repetitive motion, vibration, installation space, and electrical characteristics. Let’s look at two key points to note here:
First is flexibility and durability to withstand repetitive motion. During operation, performing repeated movement like rotating joints or bending and extending arms can cause fatigue to accumulate between the conductors and insulation. If the cable harness is improperly arranged, damage can occur due to friction or interference.
Second is the need for precise wiring layouts driven by miniaturization and high integration. As cases where multiple wires and connectors must be placed within limited spaces become more frequent, configurations tailored to the required length and connection positions become essential.
▲BK Harness Production Line On-Site▲
For a robot to move precisely and perform various functions, each component must be accurately connected and operate reliably. Cable harnesses are one of the core components that realize this connectivity. Numerous factors must be taken into account—from the specifications of wires and connectors to wiring layouts, assembly conditions, and inspection processes. Since the configuration and specifications of harness products vary depending on the target equipment and customer requirements, ensuring a stable supply requires a precise understanding of the required specifications, along with process-tailored execution and strict quality management.
