product details

Our machine screw jacks offer the standard load capacity up to 120 tons, Customized 150 tons, 200 tons, 250 tons. Machine screw jack is typically used to move heavy loads in low-duty-cycle setups and low-speed applications.

SJW-750 Machine Screw Jack Pictures

SJW-750 Machine Screw Jack Specifications

Maximum load(KN)		735	Gear ratio	H	10.67
Outer diam. of Screw( mm)		130		L	32
Root diam. of screw( mm )		112	Screw travel(mm) per turn of worm shaft	H	1.5
Thread pitch ( mm )		16		L	0.5
Efficiency %	H	13	No-load torque To ( N.m)		29.4
	L	9	Permissible torque of worm ( N.m)		1764
Permissible max. Power ( KW )	H	14.4	Required torque of worm at max. Load (N.m)	H	1380.5
	L	7.2		L	761.3
Permissible max. Input(rpm) when max. load	H	100	Screw torque N.m, when max. load		8921.8
	L	90	H: High Speed     L: Low Speed

SJW-750 Machine Screw Jack Ordering Information:

SJW - 750  -  US  -  T  -    C -    1/32  -  300   -  Y
  1         2        3       4        5         6         7         8

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

2. Load Capacity
750: Max. 735KN lifting force
Before selecting SJW-750, please check above SJW-750 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)

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.

6: Gear Ratio:                                        

SJW-750 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