| 摘要 |
The invention relates to an elevator comprising an elevator car (1), a traction sheave (2) for driving elevator hoisting ropes (3), at least one metal wire hoisting rope (3) for transmitting force between the elevator car (1) and the traction sheave (2), having metal wires (w) forming at least part of the outer surface of the rope (3), wherein the traction sheave (2) comprises a metallic circumferential traction surface (4, 4') for each of said at least one rope for transmitting tractive force to the rope (3) which is set to pass against the circumferential traction surface (4, 4'). The circumferential traction surface (4, 4') comprises recesses (r, r') spaced apart in circumferential direction (x) of the traction sheave (2). The invention relates also to a traction sheave for an elevator and a method of making the same. |
