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Different Types Of Pneumatic clutch For Oilfield Drilling Rig And Mineral Equipment
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Updated on: 2014-03-14 17:22
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Pneumatic clutch
As a kind of friction clutch that uses compressed air as manipulating power source, pneumatic-tyred clutch is widely used in such equipment as oil drilling rig and workover rig, and is also an important part of the drive systems of oil drilling rig and workover rig.
The characteristics of pneumatic-tyred clutch are as follows: large transmitted torque, steady joint, easy to install, vibration absorption, compensation to an extent for the relative radial offset and relative angular offset of drive and driven shafts, small inertia of the driven parts, long service life, compact structure and good sealing.
Furthermore, due to great resistance to deformation of pneumatic tyres, the service life of such tyres will be shortened when the operating temperature is over 60°C, and they tend to become fragile when the temperature is lower than -20°C.
The joint element of a pneumatic clutch is mainly made up of friction disk and friction block and so on.
Pneumatic-tyred clutch can be divided into common type and ventilation type in terms of structure.
Types of pneumatic clutch

LT300/100, LT500/125T, LT600/125T, LT700/135CBC, LT800/135, LT700/200, LT500/200T, LT500/250T, LT600/250T, LT700/250T, LT800/250T, LT900/250T, LT1070/200T, LT1170/250T, LT965/305T, LT1168/305T, LT700/135DY

Technical parameters of Pneumatic Clutch

type

LT300/100

LT500/125T

LT600/125T

LT700/135CBC

LT800/135

LT700/200

LT1070/200

rotata speed (r/min)

max

2332-2667

1642-1877

1352-1547

1198-1450

1099-1328

1009-1155

1315-1504

rating

1348-1542

949-1085

781-894

687-881

635-768

583-668

760-869

torsional moment (N.m)

max

3080-4030

10455-13670

14810-19360

22350-32660

28850-42160

75050-98150

33080-43270

rating

2025-2686

6790-9114

9875-12908

14900-21775

19230-28080

50020-65440

22060-28850

weight(Kg)

11

44

53

85

114

67

290

working pressure(Mpa)

0.6—0.9

0.6—0.9

0.6—0.9

0.7—1.0

0.7—1.0

0.6—0.9

0.6—0.9

pneumatic tube cubage (L)

1.3

5.5

5.5

2—4

3.75

17

30

attrition annulus dia (mm)

Φ300

Φ500

Φ600

Φ700

Φ800

Φ700

Φ1065

join link size(mm)

max dia.

Φ450

Φ720

Φ820

Φ900

Φ1015

Φ1400

Φ1000

max width

115

154

154

176

176

240

240

bolt number and dia.

12-Φ13H13

12-Φ17H13

16-Φ17H13

20-Φ17H13

24-Φ17H13

12+4-Φ27+25H4

12+4-Φ27+25H4

bolt distributing dia.

Φ430

Φ690

Φ790

Φ870

Φ975

Φ1350

Φ950

air tilet pipe screw thread

M20×1.5

M20×1.5

M20×1.5

M20×1.5

M20×1.5

M33×1.5

M33×1.5
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