Transfers rotational power
Absorbs misalignment between the driving axis and the driven axis
Absorbs shocks, vibrations, and noises
Blocks heat and microcurrent generated at the driving axis
Hub materials: high-strength aluminum alloys (anodizing), steel (black oxide)
Sleeve materials: HNBR, TPU (TPU SH98A), Hytrel (red Hytrel SH63D, green Hytrel SH98A ), polyacetal, PEEK, PI (polyamide)
Material of leaf spring: SUS
Coupling: set screw, keyway, clamp, clamp separation, and taper