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Tanso Shaft Locking Devices connect hubs solidly to shafts, using a keyless mechanical interference fit, to transmit torque or to withstand axial thrust. This mechanical interference fit utilizes screw tension in the Shaft Locking Device, converted into radial pressure via an inclined plane. This pressure expands the Shaft Locking Device to eliminate the gap between the hub and the shaft. The Shaft Locking Device uses the friction bond between the Shaft Locking Device and the shaft/hub to create a zero backlash connection. This connection is easily releasable to remove the mechanical interference fit.
Tanso Shaft Locking Devices expand to fill the gap between the shaft and hub, allowing for easy installation and removal, saving time over traditional interference fit techniques. The contact pressures created using a Shaft Locking Device can be greater than traditional interference fit pressures, allowing for more torque to be transmitted or shorter hubs to be used. The easy installation also allows the hub to be positioned more accurately on the shaft, and can facilitate angular timing of the hub.
Easy assembly and disassembly
Both actions take place by locking and unlocking the clamping screws with common tools.
The use of a torque wrench is only necessary when a more precise torque is required.
Superior holding power
The action of the clamping cones creates shaft clamping torque superior to a normal keyed hub.
Overload protection
When the pre-set torque is exceeded locking device will slip, preventing the connected elements from being broken.
Note: Locking units are not friction couplings, so excessive slip will cause damage.
Easy adjustment
Combining the locking device design of smooth cone action with superior holding power, the hub can be clamped at any position along a shaft, eliminating the need for lock washers, spacers , stop rings, etc.
 
Specific product description
Z2 type locking device assembly unit consists of four pieces with two inside double-cone rings through a set of tightening screws.It is recommended for medium torques.It can be easily assembled and disassembled.
Features:
1.Medium high torque, internal shaft locking device
2.Self releasing
3.Not self-centering
4.Axial hub position fixed during clamping
5.Metric shafts 17mm to 400mm (larger upon request)
Â
Dimensions
Rating load
Pressure between lock and shaft
Tightening torque
Mass kg
d
D
l
L
L1
d1
n
Axial force Ft KN
Torque Mt KN.m
 Pf N/mm^2
 MA N.m
mm
Â
Â
20
47
17
20
27.5
M6
8
27
0.27
210
14
0.24
22
0.3
195
0.23
25
50
9
30
0.38
190
0.25
28
55
10
33
0.47
185
0.3
30
0.5
175
0.29
35
60
12
40
0.7
180
0.32
38
63
14
46
0.88
185
0.33
40
65
0.92
180
0.34
42
72
20
24
33.5
M8
12
65
1.36
200
35
0.48
45
75
72
1.62
210
0.57
50
80
71
1.77
190
0.6
55
85
14
83
2.27
200
0.63
60
90
2.47
180
0.69
65
95
16
93
3.04
190
0.73
70
110
24
28
39.5
M10
14
132
4.6
210
70
1.26
75
115
131
4.9
195
1.33
80
120
5.2
180
1.4
85
125
16
148
6.3
195
1.49
90
130
147
6.6
180
1.53
95
135
18
167
7.9
195
1.62
100
145
29
33
47
M12
14
192
9.6
195
125
2.01
105
150
190
9.98
185
2.1
110
155
191
10.5
180
2.15
120
165
16
218
13.1
185
2.35
125
170
18
220
13.78
180
2.95
130
180
34
38
52
M12
20
272
17.6
165
125
3.51
140
190
22
298
202.9
165
3.85
150
200
24
324
24.2
170
4.07
160
210
26
350
28
4.3
170
225
38
44
60
M14
22
386
32.8
160
190
5.78
180
235
24
420
37.8
165
6.05
190
250
46
52
68
28
490
46.5
150
8.25
200
260
30
525
52.5
150
8.65
210
275
50
56
74
M16
24
599
62.89
151
295
10.1
220
285
26
620
68
150
11.22
240
305
30
715
85.5
160
12.2
250
315
32
768
96
162
12.7
260
325
34
800
104
165
13.2
Â
Tanso Shaft Locking Devices connect hubs solidly to shafts, using a keyless mechanical interference fit, to transmit torque or to withstand axial thrust. This mechanical interference fit utilizes screw tension in the Shaft Locking Device, converted into radial pressure via an inclined plane. This pressure expands the Shaft Locking Device to eliminate the gap between the hub and the shaft. The Shaft Locking Device uses the friction bond between the Shaft Locking Device and the shaft/hub to create a zero backlash connection. This connection is easily releasable to remove the mechanical interference fit.
Tanso Shaft Locking Devices expand to fill the gap between the shaft and hub, allowing for easy installation and removal, saving time over traditional interference fit techniques. The contact pressures created using a Shaft Locking Device can be greater than traditional interference fit pressures, allowing for more torque to be transmitted or shorter hubs to be used. The easy installation also allows the hub to be positioned more accurately on the shaft, and can facilitate angular timing of the hub.
Easy assembly and disassembly
Both actions take place by locking and unlocking the clamping screws with common tools.
The use of a torque wrench is only necessary when a more precise torque is required.
Superior holding power
The action of the clamping cones creates shaft clamping torque superior to a normal keyed hub.
Overload protection
When the pre-set torque is exceeded locking device will slip, preventing the connected elements from being broken.
Note: Locking units are not friction couplings, so excessive slip will cause damage.
Easy adjustment
Combining the locking device design of smooth cone action with superior holding power, the hub can be clamped at any position along a shaft, eliminating the need for lock washers, spacers , stop rings, etc.
Â
Specific product description
Z2 type locking device assembly unit consists of four pieces with two inside double-cone rings through a set of tightening screws.It is recommended for medium torques.It can be easily assembled and disassembled.
Features:
1.Medium high torque, internal shaft locking device
2.Self releasing
3.Not self-centering
4.Axial hub position fixed during clamping
5.Metric shafts 17mm to 400mm (larger upon request)
Â
Dimensions
Rating load
Pressure between lock and shaft
Tightening torque
Mass kg
d
D
l
L
L1
d1
n
Axial force Ft KN
Torque Mt KN.m
 Pf N/mm^2
 MA N.m
mm
Â
Â
20
47
17
20
27.5
M6
8
27
0.27
210
14
0.24
22
0.3
195
0.23
25
50
9
30
0.38
190
0.25
28
55
10
33
0.47
185
0.3
30
0.5
175
0.29
35
60
12
40
0.7
180
0.32
38
63
14
46
0.88
185
0.33
40
65
0.92
180
0.34
42
72
20
24
33.5
M8
12
65
1.36
200
35
0.48
45
75
72
1.62
210
0.57
50
80
71
1.77
190
0.6
55
85
14
83
2.27
200
0.63
60
90
2.47
180
0.69
65
95
16
93
3.04
190
0.73
70
110
24
28
39.5
M10
14
132
4.6
210
70
1.26
75
115
131
4.9
195
1.33
80
120
5.2
180
1.4
85
125
16
148
6.3
195
1.49
90
130
147
6.6
180
1.53
95
135
18
167
7.9
195
1.62
100
145
29
33
47
M12
14
192
9.6
195
125
2.01
105
150
190
9.98
185
2.1
110
155
191
10.5
180
2.15
120
165
16
218
13.1
185
2.35
125
170
18
220
13.78
180
2.95
130
180
34
38
52
M12
20
272
17.6
165
125
3.51
140
190
22
298
202.9
165
3.85
150
200
24
324
24.2
170
4.07
160
210
26
350
28
4.3
170
225
38
44
60
M14
22
386
32.8
160
190
5.78
180
235
24
420
37.8
165
6.05
190
250
46
52
68
28
490
46.5
150
8.25
200
260
30
525
52.5
150
8.65
210
275
50
56
74
M16
24
599
62.89
151
295
10.1
220
285
26
620
68
150
11.22
240
305
30
715
85.5
160
12.2
250
315
32
768
96
162
12.7
260
325
34
800
104
165
13.2
Â
Z2 Locking Device Instead of as Series
Model NO.: Z2 20*47
Trademark: Tanso
Transport Package: Export Wooden Case
Specification: Z2-60*90
Origin: Hebei Province
HS Code: 8483600090
Model NO.: Z2 20*47
Trademark: Tanso
Transport Package: Export Wooden Case
Specification: Z2-60*90
Origin: Hebei Province
HS Code: 8483600090