The advanced level of today's industrial robots is amazing, especially the smart 5-axis 6-axis robots , with so many joints, the ability to accurately transmit motion and commands, and the close cooperation of various parts to complete complex work. Curious about what their transmission system is, what is the structure of the joint?
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Japanese Yaskawa robot knives and cuts peas
Speaking of joints, it mainly refers to the most important basic components of industrial robots, and also the core component of sports: precision reducers . This is a sophisticated power transmission mechanism that uses a gear speed converter to decelerate the number of revolutions of the motor to the desired number of revolutions and obtain a device with a large torque to reduce the speed and increase the torque.
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You made it, the precision reducers used in the joints of the global industrial robots are almost all made in Japan: the Japanese say, there are few robots around the world that can stand. . .
At present, there are not many manufacturers of precision reducers that can provide large-scale and reliable performance in the world. Most of the global market share is occupied by Japanese companies. On the precision reducers on industrial robot joints, Nabtesco (Nabtesco) The global market share of the products is 60%, especially for medium/heavy load robots, and its RV reducer market share is as high as 90%. Harmonica's harmonic reducers account for about 15%, and Sumitomo Heavy Industries (SUMITOMO, no ratio found).
Let's take a look at these well-known robot reducer companies.
1.Nabtesco Nabtesco
Nabtesco was founded in September 2003 and looks like a post-00 company. In fact, it was composed of two Japanese companies, Teijin Seiki (founded in 1944) and Nabco (which produced the first automatic door in Japan in 1956). As a manufacturer of motion control systems and components, both companies have mastered high-end core technologies in their specific business areas and controlled a high market share, so Nabtesco was established in the same industry in Japan. Even the world's first, most of the world's robot manufacturers benefit from Nabtesco's patented RV reducer and bring success.
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