Worm Gear Screw Jack

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    • SJC5 Worm Gear Screw Jack

    Introduction：
    SJC5 Worm Gear Screw Jack,Ball screw jack

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    SJC5 Worm Gear Screw Jack Quick Information:
    1. Jack Model: SJC5
    2. Lifting Screw Diam.: 18mm
    3. Lifting Screw Pitch: 4mm
    4. Max load capacity: 5 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.


    SJC5 Worm Gear Screw Jack Applications: 


    SJC5 Worm Screw Jack Specifications:


    Maximum Load ( KN )     		5 Starting Efficiency ( % ) H 24
    Lifting Screw Diam.( mm ) 18 L 16
    Pitch ( mm ) 4 Working Efficiency ( % ) at 1500rpm H 34
    Gear Ratio H 1:4 L 25
    L 1:16 Torque ( N.m ) without load H 0.11
    Permissible Max. Power ( Kw ) H 0.30 L 0.09
    L 0.15 Housing Material Spheroidal graphite iron
    Max starting torque full load ( N.m ) H 4.2 Weight without stroke ( Kg ) 3.2
    L 1.5 Weight per 100mm screw and protective tube( Kg ) 0.36


    SJC5 Screw Jack Lifting Load( KN )
    Speed
    (rpm)     		  Lifting Speed
    (mm/s)     		5KN 4KN
    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 2.34 0.34 0.80 0.12 1.87 0.27 0.64 0.09
    900 15.0 3.7 2.49 0.23 0.83 0.08 1.99 0.19 0.66 0.06
    700 11.7 2.9 2.57 0.19 0.90 0.07 2.05 0.15 0.72 0.05
    500 8.3 2.1 2.74 0.14 0.95 0.05 2.20 0.11 0.76 0.04
    300 5.0 1.2 2.84 0.09 1.05 0.03 2.27 0.07 0.84 0.03
    100 1.7 0.4 3.06 0.03 1.17 0.01 2.45 0.03 0.94 0.01
    50 0.8 0.2 3.18 0.02 1.24 0.01 2.55 0.01 0.99 0.1
    Speed
    (rpm)     		  Lifting Speed
    (mm/s)     		3KN 1KN
    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 1.40 0.206 0.477 0.070 0.468 0.069 0.159 0.023
    900 15.0 3.7 1.49 0.141 0.497 0.047 0.497 0.047 0.166 0.016
    700 11.7 2.9 1.54 0.113 0.543 0.040 0.513 0.038 0.181 0.013
    500 8.3 2.1 1.65 0.086 0.568 0.030 0.549 0.029 0.189 0.010
    300 5.0 1.2 0.57 0.018 0.628 0.020 0.568 0.018 0.209 0.007
    100 1.7 0.4 1.84 0.019 0.702 0.007 0.612 0.006 0.234 0.002
    50 0.8 0.2 1.91 0.010 0.746 0.004 0.637 0.003 0.249 0.001



    Design, produce and testing:  

     


    SJC5 Worm Gear Screw Jack Ordering information:


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


    2: Load Capacity
    5 :  Max. Load capacity is 5KN
    Before selecting 5, please check above SJC5 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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