Hollow & Solid Shaft Differentials Gear

In a standard differential, two output shafts distribute a load imparted on them from an input shaft at different speeds. A differential contains a pinion (bevel) gear [A] on the input shaft, where the load is transmitted. The pinion mates with a [B] carrier or ring (bevel) gear at 90°. Mounted to the carrier gear are two symmetrically placed spider (bevel) gears at 180° (this is to prevent bending stresses in the output shafts). [C] The spider gears spin on their own axes and along the carrier gear. They mesh with two gears on either side, connected to the output shafts [D].

SDP/SI offers differentials with hollow and solid shafts and anti-backlash properties.
Call our friendly engineers at 1-800-819-8900 or fill out a Request for Quote to find out more about our differential offerings.

How It Works

In an automobile, for example, that is moving in a straight line, the spider gears will turn with the carrier gear and don’t spin on their own axes, they “push” the gears on the output shafts (rear axle) as one unit causing them to turn at the same speed and distributing power at 90°. However, when the vehicle is turning, the spider gears not only turn with the carrier gear, but they spin on their own axes as well, causing one output shaft to spin faster than the other dependent on the turn the vechile makes. The pinion and carrier gear also act as a speed reduction system, which greatly increases output torque.

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