Wire Ropes Under Tensile Load - Wire Ropes: Tension, Endurance, Reliability - page 108

rotary device

torque meter

locking device

torque resistant
membrane

strain gauge

wire rope

rope socket

Fig. 2.21 Equipment for measuring the torque and the rotary angle, Feyrer and Schiffner ( 1986 )

Fig. 2.22 Torque of a wire
rope 6 9 7-FC-sZ, Feyrer
and Schiffner ( 1986 )

150
Nm

rope 6 7 - FC
ordinary lay
d = 16.9 mm

100

50

360 / 100 d

180 / 100 d
0

− 180 / 100 d

− 360 / 100 d

0

20 40 60 80

kN

rope tensile force S

0 200 400 600 800

N/mm 2

rope tensile stress

˃ z

Fig. 2.23 Torque of a
Warrington rope 8 9 19-FC-
sZ, Feyrer and Schiffner
( 1986 )

80
Nm

Warr. 8 19 - FC
ordinary lay
d = 13.7 mm

60

40

360 / 100 d

180 / 100 d
0
− 180 / 100 d

20

− 360 / 100 d

0

10 20 30 40 kN 50

0

rope tensile force S

600 N/mm 2

0 200 400 800

rope tensile stress ˃ z