Constant Velocity Joint Apparatus
Product Code : EL-AMLE-10621
Quick Answer:
The Constant Velocity Joint Apparatus demonstrates relative angular motion between two intersecting shafts via shifting balls, as found in the front drive shafts of an automobile, with an adjustable angle between the input and output shafts. It is instrumented with a custom-installed triaxial force sensor inside the CV joint to measure in-situ internal joint forces, including friction, and it is used to measure friction and wear performance under different oscillatory speeds and CV joint articulation angles using actual tripod-type joint assemblies.
Principle of Operation:
This mechanism demonstrates relative angular motion between two intersecting shafts through shifting balls, as found in the front drive shafts of an automobile, and the angle between the input and output shafts is adjustable. Constant-velocity (CV) joints have become a standard design and an integral part of modern vehicles, primarily due to their superiority in CV torque transfer; however, despite their widespread use, certain aspects of their friction, wear, and contact characteristics are not well understood. The apparatus is capable of measuring key performance parameters such as friction and wear under different realistic operating conditions of oscillatory speeds and CV joint articulation angles, and it incorporates a custom-installed triaxial force sensor inside the CV joint to measure in-situ internal CV joint forces, including friction. This apparatus addresses the need to directly measure CV joint internal contact and friction forces through an instrumented advanced CV joint friction apparatus built using actual tripod-type joint assemblies.
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Last Updated: September 2026
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