Industrial Robot Joint Reducer Market Opportunity Is Large And Domestic Substitution Is Accelerating

The “three” core components of industrial robot include servo motor, reducer and controller, which is also an important bottleneck restricting the development of robot in China. This issue will focus on the market of precision reducer and the substitution of localization. The reducer is used to precisely control the robot’s movements and transmit more torque. At present, the world can provide the scale and reliable performance of precision speed reducer manufacturers not much. Most mainstream precision reducer is mainly divided into two kinds, mounted on the frame, the big arm, shoulder heavy load such as the location of the RV reducer and installed in the forearm, wrist and hand light load position of harmonic reducer.


Since 2013, China has become the largest robot market in the world. At the same time, the production of domestic industrial robots is showing a trend of explosive growth. Data show that the current domestic market share accounted for only 30% of the industrial robot, and overall majority with distribution in the low-end market, high-end industrial robot is still largely dependent on imports, especially the robot key components of the three core: servo motor, reducer and controller etc. Most dependent on imports. In terms of cost, these three key components account for 25%, 35% and 15% of the total robot cost.

As one of the three core key parts of industrial robot, reducer is the most important component of technical barrier. According to the structure, the reducer can be divided into five categories: harmonic gear reducer, cycloidal gear planetary reducer, RV reducer, precision planetary reducer and filter gear reducer. It is concluded that in the power transmission of advanced robots, the RV reducer has gradually replaced the harmonic reducer.

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