The working principle of the precision planetary reducer is as follows:
1) The ring gear is fixed, the sun gear is active, and the planet carrier is passive.
This combination is a reduced speed transmission, usually the transmission ratio is generally 2.5-5, and the steering is the same.
2) The ring gear is fixed, the planet carrier is active, and the sun gear is passive.
This kind of combination is a speed-up transmission, the transmission ratio is generally 0.2 to 0.4, and the steering is the same.
3) The sun gear is fixed, the ring gear is active, and the planet carrier is passive.
This combination is a reduced-speed transmission, the transmission ratio is generally 1.25 to 1.67, and the steering is the same.
4) The sun gear is fixed, the planet carrier is active, and the ring gear is passive.
This kind of combination is a speed-up transmission, the transmission ratio is generally 0.6 to 0.8, and the steering is the same.
5) The planet carrier is fixed, the sun gear is active, and the ring gear is passive.
This combination is a reduced speed transmission, the transmission ratio is generally 1.5 to 4, and the direction of rotation is reversed.
6) The planet carrier is fixed, the ring gear is active, and the sun gear is passive.
This kind of combination is a speed-up transmission, the transmission ratio is generally 0.25 ~ 0.67, and the direction of rotation is opposite.
7) Combining any two of the three elements into one unit:
When the planet carrier and the ring gear of the precision planetary reducer are integrated as the active part, the sun gear is the passive part or the sun gear and the planet carrier are integrated as the active part, and the ring gear is the passive part. There is no relative movement between the planetary gears, they operate as a whole, the transmission ratio is 1, and the rotation is the same.
1) The ring gear is fixed, the sun gear is active, and the planet carrier is passive.
This combination is a reduced speed transmission, usually the transmission ratio is generally 2.5-5, and the steering is the same.
2) The ring gear is fixed, the planet carrier is active, and the sun gear is passive.
This kind of combination is a speed-up transmission, the transmission ratio is generally 0.2 to 0.4, and the steering is the same.
3) The sun gear is fixed, the ring gear is active, and the planet carrier is passive.
This combination is a reduced-speed transmission, the transmission ratio is generally 1.25 to 1.67, and the steering is the same.
4) The sun gear is fixed, the planet carrier is active, and the ring gear is passive.
This kind of combination is a speed-up transmission, the transmission ratio is generally 0.6 to 0.8, and the steering is the same.
5) The planet carrier is fixed, the sun gear is active, and the ring gear is passive.
This combination is a reduced speed transmission, the transmission ratio is generally 1.5 to 4, and the direction of rotation is reversed.
6) The planet carrier is fixed, the ring gear is active, and the sun gear is passive.
This kind of combination is a speed-up transmission, the transmission ratio is generally 0.25 ~ 0.67, and the direction of rotation is opposite.
7) Combining any two of the three elements into one unit:
When the planet carrier and the ring gear of the precision planetary reducer are integrated as the active part, the sun gear is the passive part or the sun gear and the planet carrier are integrated as the active part, and the ring gear is the passive part. There is no relative movement between the planetary gears, they operate as a whole, the transmission ratio is 1, and the rotation is the same.
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