COMPONENT OPERATION ／ AXLE ・Final Gear The torque from differential is transmitted to the final gear through the sun gear (3). The speed is reduced to increase the torque and then the torque is transmitted to the wheel. Operation planetary gears The sun gear (3) meshes with the three planetary gears (5) and the planetary gears (5) mesh with the internal gear (6). The three planetary gears (5) are installed to the gear case (7) by the shafts (4) and the internal gear (6) is held to the housing through the pins. When the torque from the differential rotates the sun gear (3), the planetary gears (5) rotate on the internal gear (6) while they rotate on the shafts (4). The rotation of the planetary gears (5) on the internal gear (6) drives the shaft (4) together with the gear case (7) to rotate the wheel.
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1-Drive pinion 2-Differential 3-Gear & Shaft 4-Planetary shaft 5-Planetary gear
6-Ring gear 7-Gear case (Planetary carrier) 8-Drive shaft 9-Ball 10-Needle bearing
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