
Single-row spherical type
September 29, 2018
Double rows ball
August 5, 2019Enclosed Housing Slewing Drive
The worm-gear type slewing drive is developed by the slewing bearing. It is composed of housing, a turbine ferrule, a worm gear, a motor and kits. Compared with the conventional slewing bearing, the structure is compacted, safe and modularity. The characteristics of modify the main engine. Nowadays, due to the demand for heavy loading, the duplex worm slew drive device has been developed. It has better product structure compactness and high loading ability and higher output torque.
Slew drive can be widely used for 360° rotating and speed shifting, large torque smoothly transmission, high precision matching or compacted mechanism is mostly relied on slew drive, for its special solution and widely application below:
- Heavy loading gantry crane
The slewing drive has changed the traditional mode of heavy loading gantry cranes in this field, greatly reducing operating costs and maintenance costs, it has been adopted by more and more host manufacturers by its effective.
- Aerial work vehicle field
The slewing bearing motivates slewing drive which has developed rapidly and has obvious advantages in this field.
- Heavy loading flatbed truck (beam truck)
Due to the heavy load, duplex worm slew drive are widely used for providing a large output torque.
- Port cranes
While using a slew drive to fulfill the loading moment, the conventional hydraulic cylinder is another way to modify the rotating of slewing ring.
- New energy field
With the support of national policies, the prospects of the rotary drive in this field are very impressive.
Data
ModelOutput
TorqueTilting
Moment
TorqueHolding
TorqueStatic
Axial
LoadStatic
Radial
LoadDynamic
Axial
LoadDynamic
Radial
LoadSpeed reducing ratio
Tracking
PrecisionSelf-lock
Weight
SE3
400 N.m
1100 N.m
2000 N.m
30 KN
16.6 KN
9.6 KN
8.4 KN
62:1
0.2°
YES
12kg
SE3
295 lbf.ft
811 lbf.ft
1476 lbf.ft
6744 lbf
3732 lbf
2158 lbf
1888 lbf
62:1
0.2°
YES
12kg
SE5
600 N.m
1800 N.m
5000 N.m
76 KN
22.6 KN
13.8 KN
11.8 KN
62:1
0.2°
YES
12kg
SE5
443 lbf.ft
1328 lbf.ft
3688 lbf.ft
17085 lbf
5081 lbf
3102 lbf
2653 lbf
62:1
0.2°
YES
12kg
SE7
1000 N.m
13500 N.m
10400 N.m
133 KN
53 KN
32 KN
28 KN
73:1
0.2°
YES
21kg
SE7
738 lbf.ft
9957 lbf.ft
7671 lbf.ft
29900 lbf
11915 lbf
7194 lbf
6295 lbf
73:1
0.2°
YES
21kg
SE9
6.5 KN.m
33.9 KN.m
38.7 KN.m
338 KN
135 KN
81 KN
71 KN
61:1
0.17°
YES
49kg
SE9
4794 lbf.ft
25×10³ lbf.ft
29×10³ lbf.ft
76×10³ lbf
30×10³ lbf
18×10³ lbf
16×10³ lbf
61:1
0.17°
YES
49kg
SE12
7.5 KN.m
54.3 KN.m
43 KN.m
475 KN
190 KN
114 KN
100 KN
78:1
0.17°
YES
61kg
SE12
5532 lbf.ft
40×10³ lbf.ft
32×10³ lbf.ft
107×10³ lbf
43×10³ lbf
26×10³ lbf
23×10³ lbf
78:1
0.17°
YES
61kg
SE14
8 KN.m
67.8 KN.m
48 KN.m
555 KN
222 KN
133 KN
117 KN
85:1
0.17°
YES
64kg
SE14
5900 lbf.ft
50×10³ lbf.ft
35×10³ lbf.ft
125×10³ lbf
50×10³ lbf
30×10³ lbf
26×10³ lbf
85:1
0.17°
YES
64kg
SE17
10 KN.m
135.6 KN.m
72.3 KN.m
970 KN
390 KN
235 KN
205 KN
102:1
0.15°
YES
105kg
SE17
7400 lbf.ft
100×10³ lbf.ft
53×10³ lbf.ft
218×10³ lbf
88×10³ lbf
53×10³ lbf
46×10³ lbf
102:1
0.15°
YES
105kg
SE21
15 KN.m
203 KN.m
105.8 KN.m
1598 KN
640 KN
335 KN
335 KN
125:1
0.15°
YES
149kg
SE21
1100 lbf.ft
150×10³ lbf.ft
78×10³ lbf.ft
359×10³ lbf
144×10³ lbf
87×10³ lbf
75×10³ lbf
125:1
0.15°
YES
149kg
SE25
18 KN.m
271 KN.m
158.3 KN.m
2380 KN
945 KN
590 KN
470 KN
150:1
0.15°
YES
204kg
SE25
13300 lbf.ft
200×10³ lbf.ft
117×10³ lbf.ft
531×10³ lbf
212×10³ lbf
133×10³ lbf
100×10³ lbf
150:1
0.15°
YES
204kg