Hub for mounting blades or wings on e.g. fan, ventilator or compressor

摘要

Vibration-free hub (1) comprises an outer cylindrical body (2), inner cylindrical body (3) and elastic intermediate layer (4) permanently bonding the two bodies together. The elastic layer comprises a thermoplastic material having a residual pressure deformation value (creep) less than or equal to 70 % according to JIS-Standard K 6301 at 70 deg C.