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  • SJC80(80KN) Worm Gear Screw Jack
SJC80(80KN) Worm Gear Screw Jack
Use range
1: Brand Name: SIJIE


2: Model: SJC80-Tr50*8


3: Delivery Time: 12-15 working days after received the payment


4: Payment Terms: T/T, Western Union, Paypal, L/C etc


5: Warranty Period: 13 months


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product details


SJC80 Worm Gear Screw Jack Pictures:






SJC80 Worm Gear Screw Jack Quick Information:


1. Jack Model: SJC80
2. Lifting Screw Diam.: 50mm 
3. Lifting Screw Pitch: 8mm 
4. Max load capacity: 80KN
5. Gear Ratio: 1/8, 1/32
6: Travel Stroke: No standard stroke, all stroke is processed according customers requirements.
7. Screw 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: trapezoidal screw 
11: Individually or multiple screw jack lift system arrangements are available
12: Precisely positioning, self-locking trapezoidal screw which supports the loads and hold position with no need to employ brake mechanism or other locking systems.


SJC80 Worm Screw Jack Specifications:


Maximum Load ( KN )

80

Starting Efficiency ( % )

H

17

Lifting Screw Diam.( mm )

50

L

10

Pitch ( mm )

8

Working Efficiency (%) at 1500rpm

H

31

Gear Ratio

H

1/8

L

22

L

1/32

Torque ( N.m ) without load

H

1.85

Permissible Max. Power (Kw)

H

2.5

L

1.12

L

1.5

Housing Material

Spheroidal graphite iron

Max starting torque full load (N.m)

H

75

Weight without stroke (Kg)

36

L

30

Weight per 100mm screw and protective tube(Kg)

2.44
















SJC80 Screw Jack Lifting Load( KN )



Speed
(rpm)

 

Lifting Speed
(mm/s)

80KN

60KN

H:1/8

L:1/32

H:1/8

L:1/32

H:1/8

L:1/32

N.m

KW

N.m

KW

N.m

KW

N.m

KW

1400

23.3

5.8

41.08

6.02

14.47

2.21

30.81

4.52

10.85

1.59

900

15.0

3.7

43.91

4.14

15.16

1.43

32.93

3.10

11.37

1.07

700

11.7

2.9

45.48

3.33

15.92

1.17

34.11

2.50

11.94

0.87

500

8.3

2.1

48.97

2.56

16.75

0.88

36.73

1.92

12.57

0.66

300

5.0

1.2

53.06

1.67

17.69

0.56

39.79

1.25

13.26

0.42

100

1.7

0.4

57.88

0.61

19.90

0.21

43.41

0.45

14.92

0.16

50

0.8

0.2

60.63

0.32

21.22

0.11

45.48

0.24

15.92

0.08


Speed
(rpm)

 

Lifting Speed
(mm/s)

40KN

20KN

H:1/8

L:1/32

H:1/8

L:1/32

H:1/6

L:1/24

N.m

KW

N.m

KW

N.m

KW

N.m

KW

1400

23.3

5.8

20.54

3.001

7.235

1.061

10.269

1.505

3.617

0.530

900

15.0

3.7

21.95

2.069

7.579

0.714

10.977

1.034

3.790

0.357

700

11.7

2.9

22.74

1.667

7.958

0.583

11.369

0.833

3.979

0.292

500

8.3

2.1

24.49

1.282

8.377

0.439

12.244

0.641

4.189

0.219

300

5.0

1.2

26.53

0.833

8.843

0.278

13.264

0.417

4.421

0.139

100

1.7

0.4

28.94

0.303

9.948

0.104

14.470

0.152

4.974

0.052

50

0.8

0.2

30.32

0.159

10.611

0.056

15.159

0.079

5.306

0.028





























Worm Gear Screw Jack Design, produce and testing:   



SJC80 Worm Gear Screw Jack Dimensions: 






 


SJC80 Worm Gear Screw Jack Ordering information:


        SJC - 80  - US  -  T  -  C -  1/8  - 300   -P
        1       2      3       4      5       6       7      8 


1: Jack Brand
SJC: "SIJIE" brand worm gear screw jack


2: Load Capacity
80 :  Max. Load capacity is 80KN
Before selecting 80, please check above SJC80 cubic 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)



                US                       IS                             UK                        IK                            UR                            IR


4: Screw Top End

   T: Top plate     H: Clevis end    S: Thread end     R: Plain end    SH: Spherical hinge  U: Forked head




5: Worm Shaft Input Types
A: right side worm shaft input.              
B: left side worm shaft input.             
C: double worm shaft input.
M1:  right side motor flange direct input, left side worm shaft input.                              
M2: right side motor flange direct input. 
M3: left side motor flange direct input, left side worm shaft input.                  
M4: left side motor flange direct input.

                          A                                                                      B                                                                    C

                 M1                                                M2                                                      M3                                              M4


6: Gear Ratio:                                       
SJC80 worm gear screw jack gear ratio includes 1/8, 1/32
1/8: Fast speed,1mm travel length per full turn of worm shaft.                 
1/32: Low speed, 0.25 travel length per full turn of worm shaft. 


7: Travel Stroke


8:  Accessories
N: Standard Jack, No additional accessories
P: Protective Tube
R: Dust Cover
Y: Hand Wheel
Other accessories,please check below picture