SJW Series
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SJW SERIES
Classic Worm gear screw jack
Our classic SJW series screw jack features a powerful trapezoidal screw, high-precision worm gear, and rugged jack housing, offering the perfect balance of price, performance, and quality.
Available in 10 sizes, the SJW screw jacks’ load capacity ranges from 1 ton to 100 tons as standard. We can also customize our SJW screw jacks to load capacities of 150 tons, 200 tons, and 250 tons to meet your specifications. Suitable for low-speed, low-frequency, and large load operation, our classic worm gear screw jacks are constantly being developed with new drive solutions.
Load capacity from 1 ton to 100 tons as Standard, customized 150 tons, 200 tons and 250 tons.
Precisely matched worm gears and worm shafts provide longer service life of screw jack.
Heated treatment and thread polishing of the trapezoidal screw.
Double input shafts as standard, motor flange design available.
Translating screw, rotating screw configurations in upright or inverted mounting.
Electric driven and manual operated available.
Protective tube and bellows prevent dust from entering.
Individually or multiple screw jack lift system configurations.
Anti-backlash, safety nut, and Anti-rotation available.
SJC SERIES
Cubic Worm gear screw jack
Featuring a unique square groove shell, our SJC series worm gear screw jacks are built with high performance and precise positioning in mind.
These worm gear screw jacks can be used individually or in multiple arrangements and handle a load capacity up to 100 tons. The screw jacks incorporate a square groove shell to increase heat dissipation capacity and extended grease life and designs are available with optional accessories, including anti-backlash devices. Our SJC series worm gear screw jacks are commonly used in OEM machinery and although manufactured in China, they are fully interchangeable with several US and European products.
Load capacity from 2.5 KN to 1000 KN as Standard.
Compact and cubic design offer flexible, convenient installation.
High-quality bronze worm wheels and worm shaft precisely matched to help extend the life of screw jack.
Heated treatment and thread polishing trapezoidal screw offers more powerful.
Translating screw, rotating screw configurations in upright or inverted mounting.
Electric driven and manual operated available.
Combined with geared motors and various accessory modules to meet any customer requirement.
SJM SERIES
Economical Worm gear screw jack
Whether your project requires lifting, lowering, moving or tipping, our SJM series screw jack offer an economical solution for a wide range of industrial applications.
With a standard load capacity up to 120 tons, our SJM screw jacks have a self-locking function, supporting the load and holding its position with no need to employ a brake mechanism or other locking system. Available to use individually or in a multiple arrangement, our screw jacks can be custom-made to meet your specifications. SIJIE provide over 15 years of manufacturing and application experience, meaning our worm gear screw jacks deliver reliable performance you can trust.
Load capacity from 1 ton to 120 tons as Standard.
Features the larger diameter of lead screw, offering bigger allowable Buckling Load.
Translating screw, rotating screw configurations in upright or inverted mounting.
Electric driven and manual operated available.
Top Plate, Clevis End, Plain End, Thread End, Forked Head, Spherical Hinge screw configurations.
Double input shafts as standard, flange designed for all kinds of motors.
