Harmonic reducer is high- performance gear reducers with the features of compactness

light weight

small volume

large speed reduction ratio

high transmission efficiency

high precision and high rigidity. And it is widely used in the fields of industrial robot and aerospace mechanism. The key technologies and the developing trends of harmonic driver are proposed

according to the research of the harmonic reducer application in the aerospace mechanisms

such as the solar wing deployment mechanism

the antenna pointing mechanism

the scanning mechanism

the driving mechanism of planetary rover traveling wheel

the joints of space robotics

the missile servos and so on

and then the utilization trends and the key technology of the harmonic reducer are discussed in the fields of space robotics

precise positioning and pointing mechanism

the deployment mechanism of the solar wing panels. In addition

the development technologies of the harmonic reducer are analyzed and studied from the aspects of the advanced materials

the processing technology

the heat treatment and the optimized design technology. And the lubrication methods

the working life

and the transmission characteristics are analyzed in the space environment with the vacuum

the intense radiation and the large temperature difference. The key points of the development of space harmonic reducer are proposed according to the study and analysis above- mentioned.