When you think of robots, what kind of scene will come into your mind? Robotic arms, clumsy dance steps, or the overwhelming army of robots in the movie I, robot? But no matter how you imagine, I believe the cable will not appear in your mind!

Selecting cables for robot applications is usually one of the last factors to be considered, but in fact, wires and cables are the lifeline of robots. They play a vital role in the power supply, signal and data transmission of robots. When selecting cables for robot applications, you must have a full understanding of the physical forces on the cables and the overall system, and the physical forces mainly include the following three types:

·Static – push-pull motion or gravity influence (vertical suspension cable)

·Dynamic – force generated by acceleration or deceleration

·Dynamic and static – both dynamic and static systems

When you have a detailed understanding of the physical forces borne by the system, you can define the required cable requirements according to the bending characteristics:

·Simple and flexible – “pendulum movement”, bending at a single fixed point, and the cable has a fixed disturbing node.

·Flexible – bend along the entire length of the cable, and the cable is subjected to continuous disturbance.

·Flexible with guide – use equipment such as pulleys to guide the cable for continuous bending, and the cable has a support assembly.

·Torsional flexibility – the most common in robot applications, the cable adopts a different structure from continuous flexible cable, which is suitable for flexible applications of torsional or rotational motion.

It can be seen from the above information that many factors need to be considered to select a suitable cable solution for robot applications. Generally speaking, standard cable is not a suitable option, and customized cable is an important part of cable applications in industrial robot industry.

So what is the development trend of the robot market and how does it affect the cable industry? According to the report of the International Federation of robots, the annual growth rate of robot equipment has reached 15% from 2015 to 2018, and the number of robots in China will double in the three years from 2018 to 2020. At present, 80% of the robots sold worldwide are located in China, Japan, South Korea, the United States and Germany. The growing investment in the industrial robot market will greatly improve the opportunities for wire and cable applications. Remember, where there are robots, wires and cables are bound to be needed.

As an authorized distributor of alpha wire, heilund can provide relevant services and support for the market. In addition, heilund also supplies products from several world top manufacturers, covering 25 different component categories, pays attention to all market segments and all customers, and constantly seeks a wide range of product supply to cover all markets.


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