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谐波齿轮传动是利用机械波进行运动传递的一种新型式。它的特点是:结构简单,零件少,体积约为普通齿轮机构的10%;同时啮合的齿数多,一般啮合齿的对数达50～55%,故运动精度高,可达5″,约为同级精度构成的普通齿轮机构的1/4;承载能力高,传递功率可由几瓦到几十豇,甚至到几百豇;输入和输出轴位于同一轴心线上;传动比范围大,从1.002～10~7;可以做到零侧隙啮合传动。特别应指出的是它还可以保证在密封空间实现运动的传递。
Harmonic gear transmission is the use of mechanical wave motion transmission of a new type. Its features are: simple structure, small parts, the volume is about 10% of ordinary gear mechanism; while meshing the number of teeth, the general meshing teeth of the number of 50 ~ 55%, so the movement of high precision, up to 5 ", about For the same level of precision constitute the ordinary gear mechanism 1/4; high carrying capacity, transmission power can be a few watts to dozens of cowpea, or even hundreds of cowpear; input and output shaft located on the same axis; transmission ratio range, From 1.002 ~ 10 ~ 7; can be zero backlash meshing drive. In particular, it should be noted that it can also guarantee the movement in the sealed space transmission.