Question

In an office building an elevator raises 650 m with a speed of 325 m/min. The lift reaches
full speed in 10 min. The loaded elevator weighs 70 kN. Calculate:

1_The rope type suitable for this application.

2_The design load for the wire rope.

3_Rope diameter (d), wire diameter (dw) and rope area for tensile strength equal 1600 MPa.

4_Various stresses acting on the rope if modulus of elasticity is 78000 MPa.

Answer 1