SWL Screw Elevator Speed Reducer Worm Mechanical Screw Jack


Quick Details

Place of Origin:

Zhejiang, China

Brand Name:


Gearing Arrangement:


Output Torque:

50~2300 N.M

Input Speed:


Output Speed:


Applicable Industries:

Manufacturing Plant, Machinery Repair Shops, Construction works

Screw jack type:

SWL series

Screw jack color:


Maximum hoisting force kN:


Maximum tensile kN:


Ratio (P):


Worm wheel travel per turn mm:


Maximum allowable power kW:


Lubricant quantity kg:


Weight without travel added kg:


Weight of screw per 100mm kg:


Supply Ability

Supply Ability:
1000 Set/Sets per Month

Packaging & Delivery

Packaging Details
2.Polyurethane foam around the screw jack (avoiding shock in delivery) in wooden box.

3. Customized”>1.Polythene liner bag enclosing screw jack (which is moisture barrier, rust-proof).

2.Polyurethane foam around the screw jack (avoiding shock in delivery) in wooden box.

3. Customized
Lead Time
Quantity(Sets) 1 – 10 >10
Est. Time(days) 30 To be negotiated

Online Customization

SWL Screw Elevator Speed Reducer Worm Mechanical Screw Jack

Product Description

     Worm and worm gear screw jack performs moving up/down and forward by worm driving. It's widely used in field of  machinery, architecture, chemistry etc. The lifer has advantages of compact structure, small size, easy installation, good reliability, high stability and long life-span.It can be driven directly by an electric motor or other power, or manually. It has self-locking. The maximum loading capability is 2.5 to 3.5 ton and the maximum input RPM is 1500 r/m. The environment working temperature is between -20℃ ~ 100℃.

Product Name

JINYU SWL Screw Jack 




On Customer Request

Maximal load (kN)


Working location

Indoor location without rainwater

Ambient air


Ambient temperature


Relative humidity

less than 85%

Product Details

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Our Company

Imported German P1600/2000 CNC gear hobbing machine

Max. Module                     24mm
Max. Tip diameter          2000mm
Max. Axial stroke           1300mm
Helix angle                  +45deg-45deg
Rotary table load            20000kg

Imported Lu Lian of Taiwan 3080 CNC worm grinder

Machining precision can reach national standard level 4, meets customer's arbitrary quotas. Worm gear profile processing ZA, ZN, ZI, ZK, ZC tooth  cylindrical worm grinding process can also be double lead precision indexing worm and NPC(ZC worm tooth profile), the intelligent interactive software can flexible design clients need profile modification and grinding conditions.
Max. Length:                     1.5m
Max. Modules:                  12

Imported German P3200/4000 CNC gear hobbing machine

Max. Module                    35mm
Max. Tip diameter         4000mm
Max. Axial stroke           1600mm
Helix angle                         ±45°
Rotary table load           40000kg

Heat treatment equipment of numerically-controlled glow plasma nitriding furnace

 Lon nitriding technology is a kind of surface hardening method by gas plasma discharging to change the composition. By the provisions of processing of worm have excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance, small deformation, nitriding layer brittleness an no pollution to the environment. 

Max.Process diameter:            2m
Max.Height:                                3m

6 meter large grinder and the JYS screw rod 

                    Heavy nut for screw jack

Our Certifications

30 years of endless innovation

30 years JinYu quality carries on

30 years focus solely on  transmission 

Customer Photo

The United States customers visit our company to discuss cooperation.

Technical exchange with Israeli customers.

South Korean customers to our company to discuss cooperation.

Packing & Delivery


Q: Are you trading company or manufacturer ?
A: We are a factory specializing in the production of screw jack,bevel gearbox,linear actuator.

Q: How long is your delivery time?
A: Usually we produce within 35-60 days after the payment confirmed. If you are urgent, we will urge the production department for you.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What about the payment methods?
A: We accept T/T, L/C for big amount, and for small amount, you can pay us by PayPal, Western Union, and etc.