Core performance advantages of spline shaft

2025-11-26

Efficient torque transmission
The spline is tightly fitted to the mating tooth surface, reducing energy loss. For example, the spline shaft in a car gearbox efficiently transfers engine power to the wheels, ensuring stable power transmission and reducing fuel waste.
High load-bearing capacity
The spline part has high shear strength and can withstand large torque and axial force. When heavy-duty vehicles climb slopes or accelerate rapidly, the spline shaft can stably transmit power, avoiding slipping or breakage.
High centering accuracy
The lateral clearance between the spline and the mating parts is small, which automatically centers during assembly, reducing vibration and noise. For example, the CNC machine tool worktable drives the spline shaft through high-precision centering, ensuring machining accuracy of micrometer level.
compact structure
Integrate transmission and positioning functions to simplify mechanical structure. For example, in automatic transmissions, spline shafts replace multiple sets of gears, reducing weight and improving space utilization.

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Typical application scenarios of gears

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