SJB300 Ball Screw Jack

SJB300 Ball Screw Jack
Product Details

SJB300 Ball Screw Jack Details information. 

1. Jack Model: SJB300

2. Screw Diam.: 100mm 

3. Lead : 20mm . Custom high lead 

4. Max lifting load: 150KN

5. Dynamic load rating: 111KN

6. Gear Ratio: 1/10.25, 1/41. Custom other worm gear ratios.

7. Top End: top plate, clevis end, threaded end, plain end , spherical hinge, forked head. 

8: Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.

9. Power Source: Electric Driven,Manual Operated or Both Are Available

10. Screw Type: Ball screw 

11: Individually or multiple ball screw jack lift system arrangements are available.

12: High speed, high precision, high efficiency, high duty cycle, high performance, high frequency operation, low drive torque, long service life.

SJB300 Ball Screw Jack Specifications:

Maximum lifting Load ( KN )

150


Starting Efficiency ( % )

H

30

Dynamic Load Rating ( KN )

111

L

18

Lifting Screw Diam.( mm )

100

Lead ( mm )

20

Working Efficiency ( % ) at 1500rpm

H

53

Gear Ratio

H

1/10.25

L

35

L

1/41

Housing Material

Spheroidal graphite iron

Permissible Max. Power ( Kw )

H

7

L

5.5

Max starting torque full load ( N.m )

H

157

Weight without stroke ( Kg )

125

L

66.7

Weight per 100mm screw and protective tube( Kg )

7.3

SJB300 Ball Screw Jack Specifications:

SJB300 Screw Jack Lifting Load( KN )


Speed

(rpm)


Lifting Speed

(mm/s)

300KN

200KN

H:1/10.25

L:1/41

H:1/10.25

L:1/41

H:1/10.25

L:1/41

N.m

KW

N.m

KW

N.m

KW

N.m

KW

1400

45.5

11.4

175.68

25.75

66.51

9.75

117.12

17.17

44.34

6.50

900

29.2

7.3

182.57

17.21

70.54

6.65

121.72

11.47

47.03

4.43

700

22.7

5.7

186.22

13.65

75.09

5.50

124.15

9.10

50.06

3.67

500

16.2

4.1

190.03

9.95

80.27

4.20

126.68

6.63

53.51

2.80

300

9.7

2.4

198.11

6.22

83.14

2.61

132.07

4.15

55.42

1.74

100

3.2

0.8

206.92

2.17

86.22

0.90

137.94

1.44

57.48

0.60

50

1.6

0.4

216.54

1.13

89.53

0.47

144.36

0.76

59.69

0.31


Speed

(rpm)


Lifting Speed

(mm/s)

150KN

100KN

H:1/10.25

L:1/41

H:1/10.25

L:1/41

H:10.25

L:1/41

N.m

KW

N.m

KW

N.m

KW

N.m

KW

1400

45.5

11.4

87.84

12.877

33.254

4.875

58.561

8.585

22.170

3.250

900

29.2

7.3

91.29

8.063

35.027

3.324

60.858

5.735

23.513

2.216

700

22.7

5.7

93.11

6.825

37.545

2.752

62.075

4.550

25.030

1.835

500

16.2

4.1

95.01

4.874

40.135

2.101

63.342

3.316

26.756

1.401

300

9.7

2.4

99.06

3.112

41.568

1.306

66.037

2.074

27.712

0.871

100

3.2

0.8

103.46

1.083

43.108

0.451

68.972

0.722

28.738

0.301

50

1.6

0.4

108.27

0.567

29.844

0.156

72.180

0.378

29.844

0.156

SJB300 Ball Screw Jack Dimensions.

1: Jack Brand

SJB: "SIJIE" brand Ball screw jack

2: Load Capacity

300 :  Max. lifting Load is 150KN

Before selecting 300, please check above SJB300 ball screw jack specifications. 

3: Screw Configuration & Mounting Orientation

US: Upright translating screw      UK: Upright keyed screw    UR: Upright rotating screw

IS: Inverted translating screw     IK: Inverted keyed screw    IR: Inverted rotating screw

Note: US,IS(Screw rotation,do axial motion)   UK,IK(Screw anti-rotation,do axial motion)   UR,IR(Screw fixed rotation,traveling nut do axial motion)


4: Screw Top End

5: Worm Shaft Input Types

A: left side worm shaft input.              

B: right side worm shaft input.             

C: double worm shaft input.

M1: left side motor flange direct input.                                       

M2: right side motor flange direct input. 

M3: left side motor flange direct input, right side worm shaft input.                  

M4: right side motor flange direct input, left side worm shaft input.

6: Gear Ratio:                                       

SJB300 ball screw jack gear ratio includes 1/10.25, 1/41

1/10.25: Fast speed, 1.95mm travel length per full turn of worm shaft.                 

1/41: Low speed, 0.488 travel length per full turn of worm shaft. 

7: Travel Stroke

8: Accessories

N: Standard Jack, No additional accessories

P: Steel Cover

R: Rubber Bellow

Y: Hand Wheel

Other accessories, please check below picture

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