SWL series worm screw jack

Model

SWL2.5

SWL5

SWL10

SWL15

SWL20

SWL25

SWL35

Max Capacity (KN)

25

20

100

150

200

250

350

Lifting screw

Tr30*6

Tr40*7

Tr58*12

Tr58*12

Tr65*12

Tr90*16

Tr100*20

Ratio (P)

6:1

8:1

23:3

23:3

8:1

32:3

32:3

Ratio (M)

24:1

24:1

24:1

24:1

24:1

32:1

32:1

Raise per revolution (mm) (P)

1.0

0.875

1.565

1.565

1.56

1.5

1.875

Raise per revolution (mm) (M)

0.250

0.292

0.5

0.5

0.5

0.5

0.625

Start torque on lifting screw at max load

250

385

500

400

490

850

820

400

770

1000

800

980

1700

1640

Starting torque/Handwind torque at max load (Nm) (P)

18

39.5

119

179

240

368

464

Starting torque/Handwind torque at max load (Nm)(M)

8.86

19.8

60

90

122

217

253

Running efficiency (%)(P)

33

23

20.5

20.5

19.5

16

18

Running efficiency (%) (M)

11

11.5

13

13

12.8

9

11

Weight without spindle or protection tube (Kg)

7.3

16.2

25

25

36

70.5

87

Weight of lifting screw 100 mm (kg)

0.45

0.82

1.67

1.67

2.15

4.15

5.20

Lubrication

ZGN-1 or ZGN-2 (-20-+100)

Grease quantity

0.1

0.3

0.5

0.5

0.75

1.1

1.9