SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION
  • XL Star Coupling

XL Star Coupling

XL type star couplings are also called shaft couplings, which are mainly used to connect the drive shafts of various mechanisms. Due to different mechanical equipment, the functions of various couplings are also slightly different. For example, the couplings on forklifts are used to Transmits power between the transmission and the transaxle. Due to the short longitudinal dimension of the drive train, forklift trucks under 3 tons generally adopt a rigid connection structure, that is, the engine-clutch-transmission-coupling housing-drive axle are all connected by bolts, that is, the engine to the drive axle is a rigid whole. The middle part of the rigid body adopts a gear coupling. Forklifts above 5t generally use universal joints due to the long longitudinal dimension of the transmission system. The power is transmitted to the drive axle of the forklift through the coupling.


Structure of XL Star Coupling

The XL star coupling is composed of two connecting discs, which are connected through their inner and outer teeth. The coupling plate with internal and external teeth is connected with the transmission and drive axle through splines or keys.

1.When the spline teeth on the gear are damaged and the fit gap is greater than 0.4mm, it should be replaced.

2.When the keyway on the gear is damaged, it is allowed to enlarge the keyway and replace it. Or insert another keyway at 60° from the original keyway.

3.When adjusting the XL star-shaped elastic coupling, the coaxiality of the two axes should not be greater than 0.4mm.

The XL star coupling uses engineering plastics as the elastic body of the coupling, which has the functions of compensating the relative offset of the two axes, buffering, shock absorption, and can be widely used in various occasions. The transmission torque is 20-35000. -+80 degrees Celsius and interchangeable with German ROTEX couplings. These couplings are ideal for use on high-speed equipment with variable loads.

The type of coupling should be selected according to the requirements of the transmission device. When selecting the coupling used between the motor shaft and the high-speed shaft of the equipment, due to the high rotational speed, in order to reduce the starting load and ease the impact, the coupling should be selected with small transmission inertia and elasticity, such as elastic sleeve pin couplings. When selecting the coupling used between the output shaft of the equipment and the working machine, due to the low speed of the shaft and the large transmission torque, a large axis offset compensation is required, so a rigid coupling with a high bearing capacity is often selected, such as drum gear couplings. If the working machine has vibration and shock, in order to reduce the vibration and ease the shock, so as not to affect the normal operation of the transmission parts in the equipment, you can choose an elastic coupling, such as an elastic pin coupling.


Model Parameters of Xl Star Coupling

Specification

Nominal torque N.M

Allowable speed rpm

Shaft hole diameter d1、d2

Shaft hole length L1、L2

L

D

D1 D2

E

S

Moment of inertiakg.m^2

Weight   kg



mm

mm

mm

mm

mm

mm

mm


XL1

20

19000

6-19

25

66

40

32

16

2

0.00008

0.30


XL2

70

14000

8-24

30

78

55

40

18

2

0.0002

0.61


XL3

190

11800

10-28

35

90

65

48

20

2.5

0.0007

1.00


XL4

380

9500

12-38

45

114

80

66

24

3

0.002

2.08


XL5

530

8000

14-42

50

126

95

75

26

3

0.004

3.21


XL6

620

7100

15-48

56

140

105

85

28

3.5

0.006

4.41


XL7

750

6300

20-55

65

160

120

98

30

4

0.012

6.64


XL8

850

5600

22-65

75

185

135

115

35

4.5

0.025

10.13


XL9

1950

4750

30-75

85

210

160

135

40

5

0.054

16.03


XL10

4800

3750

40-90

100

245

200

160

45

5.5

0.139

27.50


XL11

6800

3350

50-100

110

270

225

180

50

6

0.245

38.50


XL12

8000

3000

60-110

120

295

255

200

50

6

0.435

54.0


XL13

10000

2650

60-125

140

340

290

230

60

7

0.85

81.8


XL14

14500

2380

60-140

155

375

320

255

65

7.5

1.4

109.7


XL15

20000

2000

80-160

175

425

370

290

75

9

2.72

162.7


XL16

23500

1800

85-180

195

475

420

325

85

10.5

4.95

230.8



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