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Advantages of industrial robots

Date: 2021-03-05

Industrial robots are no stranger to us. The hacker empire of the 1990s must have had a profound impact. But industrial robots are not as magical as they are in the movies. Modern industrial robot is CNC module, commonly known as automatic manipulator. Today, Max technology will tell you about the advantages of industrial robots!


Advantages of industrial robot technology -- intelligence


Compared with the current mainstream market demand for industrial robots (i.e. strong, fast and accurate), intelligent robots are not the most urgent for the time being. This also reflects the advantages of traditional industrial robots (hard-working, quality and quantity guaranteed, a good hand at "working") and shortcomings (but very "stupid", old enough to be taught).


But it doesn't mean that intelligent is not important. On the contrary, enterprises have begun to invest in technology. For example, how to make the industrial robot better understand the human's command intention, understand and plan the task relatively autonomously without having people tell it how to go from point to point; how to make the industrial robot automatically adapt to the changes in the peripheral environment (the light will affect the image recognition, and the objects on the conveyor belt need special treatment); how to use the tactile vision and hearing And so on.


Technical performance advantages of industrial robot -- Electromechanical Performance


Generally, industrial robots can reach the motion accuracy of less than 0.1 mm (refers to the precision of repeated movement to the point), grasp objects weighing up to one ton, and stretch up to three or four meters. Although this kind of performance may not be able to easily complete some "Crazy" processing requirements on Apple mobile phones, it is enough to successfully complete the task for most industrial applications. With the gradual improvement of the performance of industrial robots, some previously impossible tasks have become feasible (for example, laser welding or cutting, once required special high-precision equipment to guide the direction of the laser, but with the improvement of the accuracy of industrial robots, now they can be replaced by the accurate movement of industrial robots).


However, compared with the traditional high-end equipment, such as high-precision CNC machine tools, laser calibration equipment or special environment (high temperature or ultra-low temperature) equipment, industrial robots are still unable to reach.


Technical performance advantages of industrial robot human machine cooperation


Traditional industrial robots work in cages because they are dangerous (imagine a guy holding dozens or hundreds of kilograms and swinging at a speed of four meters per second, and nobody wants to get close to it). The main reason is that the general industrial robots, based on cost and technology considerations, will not integrate additional sensors to sense external special situations (such as sudden touch), and they will only follow the human program day after day, unless an external signal tells it to stop.


Therefore, the common solution is to equip the industrial robot with a cage. When the cage door is opened, the industrial robot will automatically pause after receiving the signal. Considering the safety, it naturally brings a lot of extra costs to the industrial robot integration. The cage may not be expensive, but after all, we should carefully consider the production line layout, increase the production line area, and change the man-machine cooperation mode, so as to affect the production efficiency.


Therefore, industrial robots that have attracted more attention recently are proud to work safely with people, such as the Baxter of rethink robotics, the PR series of universal robots, and the semi concept and semi-finished industrial robots of many traditional industrial robot giants (abb, KUKA, Yaskawa, etc.).


Technical performance advantages of industrial robots -- ease of use


The essence of the traditional industrial robot is to continuously go through the path points, and receive or set the peripheral I / O signals (cooperation with other settings such as clamps, conveyor lines, etc.) at the same time. The process of guiding industrial robots to do so is industrial robot programming. Almost every leading company has its own programming language and environment, which requires industrial robot operators to participate in training. When the scope of application of industrial robots is expanded, the cost begins to show.


These manufacturers have reasons to maintain their own programming environment. First, industrial robots began to be large-scale 40 years ago. At that time, there was no object-oriented programming concept. Secondly, their own technology would inevitably be different from their competitors in the embryonic stage. Thirdly, they had big customers They are also traditional big industrial customers, such as big automobile manufacturers. If these customers are stable, they naturally don't want your industrial robots to catch up with the upsurge of changing programming methods in a few years, so that they still have to throw away decades of experience and spend a lot of money on training and learning again.


However, in the industry, people have long thought about whether programming can be intuitive and simple. However, in traditional manufacturers, there has been no commercial and practical progress except for conceptual exhibitions (such as the use of exoskeletons, 3D images, virtual reality, iPhone, etc.) in traditional manufacturers, so that we all feel sick when we hear the keywords like "simple programming".


But fortunately, there are still some latecomers who dare to challenge and make achievements from scratch and become recognized selling points. Yes, rethink robotics and universal robots! It's also a vivid demonstration of why disruptive technologies often don't succeed in leading companies (despite their resources) in the innovator's dilemma, but are always carried forward by later challengers. Because every step the leader takes in disruptive technology, he is often far away from his iron rice bowl, with great internal and external resistance!