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400
S=50 kN
S
D=698 mm
N/mm
ˑ
W
−
S. + SE d=27.4 mm
200
2
.
S
100
q
o
=
D
0
100
120
140
160
180
winding angle
ˑ
200
220
Grad
260
Fig. 3.18
Line pressure q between rope and sheave, Häberle (
1995
)
600
S
S
N/mm
D = 698 mm
ˑ
400
W
−
S. + SE d=27.4 mm
300
S = 100 kN
200
S = 50 kN
100
S = 10 kN
0
100
120
140
160 180
winding angle
200
220
Grad
260
ˑ
Fig. 3.19
Line pressure q between rope and sheave under different tensile force, Häberle (
1995
)
the maximum and the global line pressure q
max
/q
0
from these and other mea-
surements with different ropes. The results are shown in Fig.
3.20
. In this figure,
there is a list of the wire ropes used and the diameter ratio of sheave and rope was
20 \ D/d \ 70. Häberle (
1995
) used regression calculation to find all the evalu-
ated ratios q
max
/q
0
for the Warrington-Seale ropes 6 9 36 sZ with fibre or steel
core, lubricated, which were used in the tests
lg
q
max
q
0
d
2
0
:
939
lg
D
S
S
d
2
lg
D
¼ 1
:
887
0
:
607
lg
d
þ
0
:
316
lg
d
ð
3
:
28
Þ
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