DouBLE uNiVErSAL JoiNTS - gkn

Double Universal Joints
For driven Steering axles,
marine Stern Drive and
special applications
Series 300
Fixed side
axle for agricultural tractors and construction
machines
Sliding side
DuJ b – Series
Pivot Center
Y = offset from pivot centre at ß max
For reducing the nonuniformity of the rotation and for
reaching the maximum deflection angle the centre of the
joint must be shifted by the distance Y to the fixed side.
Constant velocity reached at ß max.
X = Displacement at ß max
During deflection of the double cardan joint an axial displacement of the driveshaft occurs. This displacement X
must be considered, when dimensioning the spline length
and the bearing seat.
Size
B300
B310
T max
ß max
[Nm]
[deg]
1550
52°
55°
60°
2300
Ø A max
B
C min
F min
Ø G min
ØD
Y
X
128
3.15
3.63
4.41
6.30
7.26
8.82
3.49
4.07
4.95
6.98
8.15
9.90
3.94
4.58
7.88
9.17
4.56
5.28
9.12
10.57
5.17
5.98
7.27
10.35
11.97
14.54
[mm]
85.8
52°
55°
60°
96.3
B320
3400
52°
55°
110.3
B330
5100
52°
55°
127.5
B340
7500
52°
55°
60°
142
56
57
57
120
123
127
32
33
35
62
64
64
134
138
142
36
37
39
31
70
72
152
156
41
42
35
81
173
46
83
177
47
92
94
94
198
204
208
53
55
57
T max. = Functional limit torque of joint components without shafts
G =Equivalent shaft diameter for QT-steel Rm => 930 N/mm²
D=
Required space at max. deflection angle
ß=
max. deflection angle
27
131
134
145
148
151
40
163
166
186
190
212
45
216
220
The transmission capacity of a double cardan joint decreases
as the deflection angle becomes greater. Our engineers
should be consulted. See diagram ‘Transmission Capacity /
Deflection Angle’!
Series 469/569
Fixed side
axle for trucks and special machines
Sliding side
DuJ t – Series
Pivot Center
Y = offset from pivot centre at ß max
For reducing the nonuniformity of the rotation and for
reaching the maximum deflection angle the centre of the
joint must be shifted by the distance Y to the fixed side.
X = Displacement at ß max
During deflection of the double cardan joint an axial
displacement of the driveshaft occurs. This displacement X must be considered, when dimensioning the
spline length and the bearing seat.
ØA
ØK
ØD
Y
X
35
115
163
1.7
7.42
31
35.5
42
131
131.5
173
187
1.8
2.0
5.40
8.45
152
167
34
38.5
44
141
142
187
201
2.1
2.2
5.97
9.28
74
152
167
34
38.5
46
141
142
187
200
2.1
2.2
5.97
9.28
95
103
75
83
172
190
38,5
43,5
54
164
165
212
228
2.3
2.5
6.76
10.62
100
80
185
42,5
56
172
226
2.4
7.11
B
B1
C min
F min
T max
ß max
[Nm]
[deg]
469.10
4000
50°
112
72
58
134
31
569.20
6700
42°
50°
128
76
82
60
66
138
153
469.30
8000
42°
50°
138
84
90
66
72
569.32
9000
42°
50°
138
84
68
90
569.38
14300
42°
50°
160
469.40
16000
42°
168
Size
Ø G min
[mm]
T max. = Functional limit torque of joint components without shafts
G = Equivalent shaft diameter for QT-steel Rm => 1.200 N/mm²
K=
Rotational diameter at max. deflection angle
D=
Required space at max. deflection angle
ß=
max. deflection angle
The transmission capacity of a double cardan joint
decreases as the deflection angle becomes greater.
Our engineers should be consulted. See diagram
‘Transmission Capacity / Deflection Angle’!
Series B210/M2185
Stern drive
DuJ m – Series
X = Displacement at ß max
During deflection of the double cardan joint
an axial displacement of the driveshaft occurs.
This displacement X must be considered,
when dimensioning the spline length and
the bearing seat.
T max
T cont
ß max
[Nm]
[Nm]
[deg]
B210
1500
390
2x32°
(64°)
89
67
M2185
2000
700
2x30°
(60°)
93
68.5
Size
T max = T cont = ß=
ØA
B
C min
F min
X
151
42
12.0
156.5
44
10.6
[mm]
Functional limit torque of joint components without shafts
These continuous torques will provide approximately 1000 hours
operations at a speed of 3500RPM and at angle of 6° (2x3°)
max. deflection angle
The transmission capacity of a double cardan joint decreases as
the deflection angle becomes greater. Our engineers should be
consulted. See diagram ‘Transmission Capacity / Deflection Angle’!
Diagram: Transmission Capacity / Deflection Angle
Special applications
CV-sideshafts
The CV-sideshafts with Constant Velocity Ball Joints are used in vehicles with
indipendent wheel suspension. These driveshafts represent an alternative to
the conventional sideshafts with centred double cardan joints. A wide range
of different joint sizes is available.
The fix joint at the wheel side allows a maximum angle of up to 50°, whereas
the slip joint at the differential side is designed for an angle of up to 31°. The
fix joint can be delivered with a stem with an integrated sun gear. The boots
are functionally optimized and guarantee a service free operation of the joints.
CDC-sideshafts
The sideshafts with centred double cardan joints are especially developed for
extreme working conditions and allow high continuous angles at high speed.
Despite the robust design of the joints a max. deflection angle of 50° is reached.
Therefore a good manoeuvrability of the vehicle is guaranteed. These characteristics make these shafts predestined for the use in all-terrain vehicles.
Sideshafts with single cardan joints
These robust driveshafts are used primarily on rear axles of all type of
vehicles with independent suspension. In the case of low continuous angles
the single cardan joints can be used in combination with CV-sideshafts
or CDC-sideshafts on steered driven front axles.
A variety of different development tools
and methods ensure that the products
can be adapted to special customer requirements.
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We reserve the right to make changes due to technical progress.
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