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  • SJC300(300KN) Worm Gear Screw Jack
SJC300(300KN) Worm Gear Screw Jack
Use range
1: Brand Name: SIJIE


2: Model: SJC-Tr100*16


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


SJC300 Worm Gear Screw Jack Pictures






SJC300 Worm Gear Screw Jack Quick Information:


1. Jack Model: SJC300
2. Lifting Screw Diam.: 100mm 
3. Lifting Screw Pitch: 16mm 
4. Max load capacity: 300KN
5. Gear Ratio: 1/10.25, 1/41
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.


SJC300 Worm Screw Jack Specifications:


Maximum Load ( KN )

300

Starting Efficiency ( % )

H

18

Lifting Screw Diam.( mm )

100

L

12

Pitch ( mm )

16

Working Efficiency ( % ) at 1500rpm

H

33

Gear Ratio

H

1/10.25

L

23

L

1/41

Torque ( N.m ) without load

H

3.8

Permissible Max. Power (Kw)

H

7

L

3.1

L

5.5

Housing Material

Spheroidal graphite iron


Max starting torque full load (N.m)

H

460

Weight without stroke (Kg)

110

L

180

Weight per 100mm screw and protective tube( Kg )

6.8
















SJC300 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

37.3

9.3

231.52

33.94

83.04

12.17

154.34

   22.6                          

55.36

8.12

900

24.0

6.0

254.67

24.00

90.95

8.57

169.78

16.00

60.63

5.71

700

18.7

4.7

272.86

20.00

100.53

7.37

181.90

13.33

67.02

1.91

500

13.3

3.3

282.96

14.81

106.11

5.56

188.64

9.88

70.74

3.70

300

8.0

2.0

305.60

9.60

119.37

3.75

203.73

6.40

79.58

2.50

100

2.7

0.7

347.27

3.64

146.92

1.54

231.52

2.42

97.95

1.03

50

1.3

0.3

363.81

1.90

159.17

0.83

242.54

1.27

106.11

0.56


Speed
(rpm)

 

Lifting Speed
(mm/s)

150KN

100KN

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

37.3

9.3

115.76

16.97

41.52

6.09

77.17

11.31

27.68

4.06

900

24.0

6.0

127.33

12.00

45.48

4.29

84.89

8.00

30.32

2.86

700

18.7

4.7

136.43

10.00

50.26

3.68

90.95

6.67

33.51

2.46

500

13.3

3.3

141.48

7.41

53.06

2.78

94.32

4.94

35.37

1.85

300

8.0

2.0

152.80

4.8

59.69

1.88

101.88

3.20

39.79

1.25

100

2.7

0.7

173.64

1.82

73.46

0.77

115.76

1.21

48.97

0.51

50

1.3

0.3

181.90

0.95

79.58

0.42

121.27

0.64

53.06

0.28





























Worm Gear Screw Jack Design, produce and testing:  




SJC300 Worm Screw Jack Dimensions


  

 

 


SJC300 Worm Gear Screw Jack Ordering information:


SJC - 300  - US  -  T  -  C -  1/41  - 300   -P
 1       2          3       4      5      6         7       8 


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


2: Load Capacity
300 :  Max. Load capacity is 300KN
Before selecting 300, please check above SJC300 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, right side worm shaft input.                  
M4: left side motor flange direct input.

                     A                                                                          B                                                                     C



                 M1                                               M2                                                       M3                                             M4


6: Gear Ratio:                                       
SJC300 worm gear screw jack gear ratio includes 1/10.25, 1/41
1/10.25: Fast speed,1.56mm travel length per full turn of worm shaft.                 
1/41: Low speed, 0.39 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