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Joints (VM)

Highly elastic joints with rubber-metallic toroid-shape elastic element (VM)

Highly elastic joints with a rubber-metal toroidal elastic element are designed to transfer torque between units, for example, between the engine and the pump or between the engine and the generator.

Joints have high compensating and damping properties, can reduce the level of vibration units, increase their durability, simplify and reduce the cost of maintenance.

Highly elastic joints allow to considerably simplify installation, for example, pump plants, so as they compensate the assembly and working radial displacements of shafts being connected, up to 1 mm, and axial displacements up to 2 mm. The compensating capacity of the highly elastic joints in times more than at widespread socket-bolt and gear joints.

Unlike socket-bolt and gear couplings, the offered joints have no rubbing, wearing out parts, so their durability is high, they do not demand any service throughout the whole operation life which, as practice shows, makes up to 10–15 years.

For the simplification of installation, the elastic element is produced split into two pieces. Non-split elastic elements are also produced. In the elastic elements of the joints design special sorts of rubbers which have high elasticity and cyclic durability are used. For obtaining of demanded by the customer torsional rigidity of the joint sorts of rubbers which have various elasticity are used.

The modern technology of coupling of rubber with metal has allowed to reach such durability of coupling of rubber with metal that surpasses durability of the rubber itself. In the process of joints’ manufacture the index of strength of rubber with metal coupling is constantly supervised.

Joints are produced according to the TU 4171-005-23770232-2004.

Product catalog.pdf

Models and characteristics of hydraulic locks (pneumatic plugs)

 
Joint model
Torque (nom/max), kgf.m.
Permissi-ble speed of rotation, N max, rpm
Width by the outer flange, A, mm
Width by the inner flange, B, mm
 
VM-1
VM-1
4/12
4000
110
12-30
VM-1
Joint VM-1
Torque (nom/max), kgf.m.
4/12
Permissi-ble speed of rotation, N max, rpm
4000
Outer diameter, D, mm
110
Shaft diameter, d, mm
12-30
Width A, mm
85
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VM-2
VM-2
7/21
3000
134
19-50
VM-2
Joint VM-2
Torque (nom/max), kgf.m.
7/21
Permissi-ble speed of rotation, N max, rpm
3000
Outer diameter, D, mm
134
Shaft diameter, d, mm
19-50
Width A, mm
102
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VM-3
VM-3
14/42
3000
170
19-55
VM-3
Joint VM-3
Torque (nom/max), kgf.m.
14/42
Permissi-ble speed of rotation, N max, rpm
3000
Outer diameter, D, mm
170
Shaft diameter, d, mm
19-55
Width A, mm
118
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VM-4
VM-4
24/72
3000
200
23-60
VM-4
Joint VM-4
Torque (nom/max), kgf.m.
24/72
Permissi-ble speed of rotation, N max, rpm
3000
Outer diameter, D, mm
200
Shaft diameter, d, mm
23-60
Width A, mm
130
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VM-5
VM-5
64/192
2500
278
33-80
VM-5
Joint VM-5
Torque (nom/max), kgf.m.
64/192
Permissi-ble speed of rotation, N max, rpm
2500
Outer diameter, D, mm
278
Shaft diameter, d, mm
33-80
Width A, mm
150
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1 PCs
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Table for selection of a joint, on power and the engine’s speed of rotation
 
Maximum power of a drive on which the joint can be established, at various speeds of rotation, kw
 
Joint model
4000 rpm
3000 rpm
2000 rpm
1500 rpm
1000 rpm
VM-1
20
15
10
7.5
5
ВМ-5
Joint VM-1
4000 rpm
20 kW
3000 rpm
15 kW
2000 rpm
10 kW
1500 rpm
7.5 kW
1000 rpm
5 kW
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VM-2
26
18
13
9
ВМ-5
Joint VM-2
4000 rpm
3000 rpm
26 kW
2000 rpm
18 kW
1500 rpm
13 kW
1000 rpm
9 kW
Details
VM-3
53
35
26
18
ВМ-5
Joint VM-3
4000 rpm
3000 rpm
53 kW
2000 rpm
35 kW
1500 rpm
26 kW
1000 rpm
18 kW
Details
VM-4
100
60
45
30
ВМ-5
Joint VM-4
4000 rpm
3000 rpm
100 kW
2000 rpm
60 kW
1500 rpm
45 kW
1000 rpm
30 kW
Details
VM-5
240
160
120
80
ВМ-5
Joint VM-5
4000 rpm
3000 rpm
240 kW
2000 rpm
160 kW
1500 rpm
120 kW
1000 rpm
80 kW
Details

Application area

Energy. Industry. They are installed to reduce vibration when transferring rotation between units with large radial displacements.

Application

1 — rubber elastic element; 2, 3 — metal half rings, vulcanized to the elastic element 1; 4, 5 — half-joints.

Advantages

Provides vibration damping for large displacements
Long service life (up to 10 years)
Easy installation and maintenance

Photo and video

Guarantees

  • Produced according by TU 2527-004-23770232-2004.
  • Warranty period — 12 months.
  • Design life — 5 years.
  • Guaranteed shelf life — 5 years.

Delivery

Delivery of production is carried out to any point of Russia, the near and far abroad, the following transport companies: "zheldorekspeditsiya", "Autotrading", "Sherl TK", "RATEK", "Energy", "Business Lines".

Shipment of production is made after receipt of an advance payment in the following terms:

  • road transport — 3 workday;
  • air transport — 3 workday;
  • railway baggage — 3 workday;
  • railway container — 7 workday;

If customs clearance is necessary, the shipment period is increased by 2-3 working days.

Diplomas, certificates, acknowledgements

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