INTRODUCTION
Slewing
The rotation function is actuated by a closed hydraulic circuit, driving a mechanical gearbox with built-in automatic
static brake.
Rotation speed
9 RPM
Rotation torque (
SAE J1371
)
36 N·m
(
26.6 lb ft
)
Slewing gearbox
Model
705T2F/20.70
Total displacement
1159.2 cm³/rev
(
70.7 in³/rev
)
Hydraulic motor displacement
56 cm³/rev
(
3.4 in³/rev
)
Total reduction ratio
20.7
Maximum oil delivery
74 l/min
(
19.5 US gpm
)
Hydraulic motor maximum pressure
320 bar
(
4640.0 psi
)
Maximum input speed
1321 RPM
Gearbox output torque
5904 N·m
(
4354.6 lb ft
)
Gearbox output speed
63.8 RPM
Oil quantity
3.5 l
(
0.92 US gal +/- 10%
)
Dry weight
120 kg
(
265 lb +/- 10%
)
Breaking torque
548 N·m
(
404.2 lb ft +/- 10%
)
Complete opening pressure
13 bar
(
188.5 psi
)
Max operating pressure
50 bar
(
725 psi
)
Number of internally toothed steel discs
4
Number of sintered bronze discs with external teeth
5
47500167A 31/01/2013
36
