• SJW-300 (30T) Machine Screw Jack

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1: Brand Name: SIJIE 2: Model: SJW-300-Tr85*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 We can help you to design and build whole screw jack system in few hours. We make it easier for machine designers to use screw jacks in their machines.

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SJW-300 Machine Screw Jack Pictures







SJW-300 Machine Screw Jack Specification


Maximum load(KN)

294

Gear ratio

H

10 2/3

Outer diam. of Screw( mm)

85

L

32

Root diam. of screw( mm )

67

Screw travel(mm) per turn of worm shaft

H

1.5

Thread pitch ( mm )

16

L

0.5

Efficiency %

H

19

No-load torque To ( N.m)

9.8

L

11

Permissible torque of worm ( N.m)

735

Permissible max. Power ( KW )

H

8.4

Required torque of worm at max. Load (N.m)

H

400.1

L

4.6

L

244

Permissible max. Input(rpm) when max. load

H

200

Screw torque N.m, when max. load

2531.9

L

180

H: High Speed     L: Low Speed


SJW-300 Machine Screw Jack Drawings






SJW-300 Machine Screw Jack Design, produce and testing:  


 


SJW-300 Machine Screw Jack Ordering Information:


  SJW -   300  -   US  -     T  -    C -    1/32  -   300   -P
  1             2          3         4       5          6          7         8 


1. Jack Series
SJ: "SIJIE" brand screw jack
W series machine screw jack

2. Load Capacity
300: Max. 294kN lifting force
Before selecting SJW-300, please check above SJW-300 Machine 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.
M1right 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:                                        

SJW-300 machine screw jack gear ratio includes 3/32, 1/32
3/32: Fast speed, 1.5mm travel length per full turn of worm shaft.                 
1/32: Low speed, 0.5mm 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