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SIJIE INDUSTRIAL CO., LTD
Tel: 86-769-83061993
Fax: 86-769-88057682
Skype: Jimidingchen
Email: sales@screwjack.net
  • SJB-300 Ball Screw Jack
SJB-300 Ball Screw Jack
Use range
1: Brand Name: SIJIE


2: Model: SJB-300 ball screw jack( 80mm ball screw diameter)


3: Delivery Time: 25-30 working days after received the payment


4: TaiWan TBI ball screw


5: Warranty Period: 13 months

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product details


SJB-300 Ball Screw Jack Pictures:



TBI ball screw jack


SJB-300 Ball Screw Jack Specifications:


Maximum load(KN)

294

Gear ratio

H

10 2/3

Outer diam. of Screw( mm)

80

L

32

Root diam. of screw( mm )

72.466

Screw travel(mm) per turn of worm shaft

H

1.88

Thread pitch ( mm )

20

L

0.63

Efficiency %

H

56

No-load torque To ( N.m)

9.81

L

34

Permissible torque of worm ( N.m)

735.0

Permissible max. Power ( KW )

H

8.9

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

H

169.6

L

4.1

L

98.5

Permissible max. Input(rpm) when max. load

H

500

Screw torque N.m, when max. load

1040.9

L

400

H: High Speed     L: Low Speed


SJB-300 Ball Screw Jack Drawings:


SJB-300 Ball Screw Jack Ordering Information.


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


1: Jack Brand
SJB: "SIJIE" brand ball screw jack


2: Load Capacity
300:Max. Load capacity is 294KN
Before selecting 300, please check above SJB-300 ball screw jack specifications.


3: Screw Configuration & Mounting Orientation

US: Upright translating screw     UK: Upright screw,Screw anti-rotation    UR: Upright rotating screw
IS: Inverted translating screw     IK: Inverted screw, Screw anti-rotation    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)


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: SJB-300 ball screw jack gear ratio includes 3/32, 1/32
10 2/3 : Fast speed,1.88mm travel length per full turn of worm shaft.
1/32: Low speed, 0.63mm 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