A traction sheave for an elevator includes a composite coating applied directly to a surface of the traction sheave to at least partially define a traction surface arranged to engage a tension member. The composite coating including a coating having surface roughening particles arranged to provide a predetermined surface roughness of the traction surface within a range of 1-5 μm.
ELEVATOR SHEAVE TRACTION SURFACE
2020-02-20
Patent
Electronic Resource
English