Worm Gear Screw Jack

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    • SJC10 Worm Gear Srew Jack

    Introduction：
    1 tons worm gear screw jack, machine screw jack for china screw jack supplier.

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    SJC10 Worm Gear Screw Jack Quick Information:

    1. Jack Model: SJC10
    2. Lifting Screw Diam.: 20mm 
    3. Lifting Screw Pitch: 4mm 
    4. Max load capacity: 10 KN
    5. Gear Ratio: 1/4, 1/16
    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.



    SJC10 Worm Gear Screw Jack Applications: 


    SJC10 Worm Screw Jack Specifications:

    Maximum Load ( KN )

    10

    Starting Efficiency ( % )

    H

    25

    Lifting Screw Diam.( mm )

    20

    L

    16

    Pitch ( mm )

    4

    Working Efficiency ( % ) at 1500rpm

    H

    35

    Gear Ratio

    H

    1/4

    L

    25

    L

    1/16

    Torque ( N.m ) without load

    H

    29

    Permissible Max. Power ( Kw )

    H

    0.57

    L

    18

    L

    0.27

    Housing Material

    Spheroidal graphite iron

    Max starting torque full load ( N.m )

    H

    8

    Weight without stroke ( Kg )

    5

    L

    3.1

    Weight per 100mm screw and protective tube( Kg )

    0.50








    SJC10 Screw Jack Lifting Load( KN )


    Speed
    (rpm)

     

    Lifting Speed
    (mm/s)

    10KN

    8KN

    H:1/4

    L:1/16

    H:1/4

    L:1/16

    H:1/4

    L:1/16

    N.m

    KW

    N.m

    KW

    N.m

    KW

    N.m

    KW

    1400

    23.3

    5.8

    4.55

    0.67

    1.59

    0.23

    3.64

    0.53

    1.27

    0.19

    900

    15.0

    3.7

    4.82

    0.45

    1.66

    0.16

    3.86

    0.36

    1.33

    0.12

    700

    11.7

    2.9

    4.97

    0.36

    1.73

    0.13

    3.98

    0.29

    1.38

    0.10

    500

    8.3

    2.1

    5.13

    0.27

    1.89

    0.10

    4.11

    0.22

    1.52

    0.08

    300

    5.0

    1.2

    5.49

    0.17

    1.99

    0.06

    4.39

    0.14

    1.59

    0.05

    100

    1.7

    0.4

    5.90

    0.06

    2.21

    0.02

    4.72

    0.05

    1.77

    0.02

    50

    0.8

    0.2

    6.37

    0.03

    2.49

    0.01

    5.09

    0.03

    1.99

    0.01


    Speed
    (rpm)

     

    Lifting Speed
    (mm/s)

    5KN

    2KN

    H:1/4

    L:1/16

    H:1/4

    L:1/16

    H:1/6

    L:1/24

    N.m

    KW

    N.m

    KW

    N.m

    KW

    N.m

    KW

    1400

    23.3

    5.8

    2.27

    0.333

    0.796

    0.117

    0.910

    0.133

    0.318

    0.047

    900

    15.0

    3.7

    2.41

    0.227

    0.829

    0.078

    0.965

    0.091

    0.332

    0.031

    700

    11.7

    2.9

    2.49

    0.182

    0.865

    0.063

    0.995

    0.073

    0.346

    0.025

    500

    8.3

    2.1

    2.57

    0.134

    0.947

    0.050

    1.027

    0.054

    0.379

    0.020

    300

    5.0

    1.2

    2.74

    0.0086

    0.995

    0.031

    1.098

    0.034

    0.398

    0.012

    100

    1.7

    0.4

    2.95

    0.031

    1.105

    0.012

    1.179

    0.012

    0.442

    0.005

    50

    0.8

    0.2

    3.18

    0.017

    1.243

    0.007

    1.273

    0.007

    0.497

    0.003
































    Design, produce and testing:  

     


    SJC10 Worm Gear Screw Jack Ordering information:


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


    2: Load Capacity
    5 :  Max. Load capacity is 10KN
    Before selecting 10, please check above SJC10 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


    3: Screw Top End

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

    4: 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.
    IMG_256


    6: Gear Ratio:                                       
    SJC5 machine screw jack gear ratio includes 1/4, 1/16
    1/4: Fast speed,1mm travel length per full turn of worm shaft.                 
    1/16: Low speed, 0.25 travel length per full turn of worm shaft. 


    7: Travel Stroke
    IMG_256


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



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