Trapezoidal screw jack screw jack gearbox mechanical advantage of screw jack


Quick Details

Applicable Industries:

Manufacturing Plant

Gearing Arrangement:


Output Torque:


Input Speed:


Output Speed:


Place of Origin:

Zhejiang, China

Brand Name:


Product name:

Worm Gear Screw Jack


Accepted, no problem


Cast Iron or Stainless Steel

Mounting Position:

Foot Mounted or Flange mounted

Input Form:

Motor, IEC Flange,etc.

Output Form:

Flange Output, Solid Shaft, etc.


SKF, NSK, FAG,etc.


Power Transmission Industry



Supply Ability

Supply Ability:
1000 Set/Sets per Month

Packaging & Delivery

Packaging Details
2. Or according to clients' requirements.”>1. Common packaging: PE bags with bubble, carton box then bubble the outmost is plywood box, safe package.

2. Or according to clients' requirements.
China main ports are all available

Online Customization

Video Description

Screw Jacks

Product Description

1. Suitable for heavy load, low speed and low frequency;

2. Main components: precision trapezoid screw pair and high precision worm gear pair;

3. Compact design, small volume, light weight, wide drive sources, low noise, easy operation, convenient maintenance.

4.The trapezoid screw has self-locking function, itcan hold up load without braking device when screw stops traveling.

5. The lifting height can be adjusted accordingto customer requirements.

6. Widely applied in industries such as machinery, metellurgy, construction and hydraulic equipment.

7. Top End:top plate, clevis end, threaded end, plain end

Images & Parts Name

How to choose model?

1.Do you want manual (hand wheel) type or electric motor as driver type?See the following

Manual (hand wheel) type Electric motor type

2.Do you need translating nut movementortranslatingscrewmovement ? Nut movement has a better precision than screw movement

Translating nutmovement Translatingscrewmovement

3.Pullorlift(UprightorInverted) ?

4. Which type of Screw Top you need?

5. Tell me your lift capacity (how many kilos or tons) and the screw travel distance(? mm — ? mm), below is the performance of SWL series screw jack, Besides we can also supply SJA/B,JWM/B series and can customize.

SWL Performance Table:

6.The input type / Input model

There are also single axis input, dual axis input and flange input model, pls clear us the input model you want.

single axis input dual axis input flange input

7. The linkage scheme (if you need two or more quantity screw jacks)

Linkage scheme solutions as following (2 sets, 4 sets, 8 sets)

Application Example:

Packaging & Shipping


We accept T/T, the Credit Card, Paypal, L/C, Alibaba Trade Assurance etc.


1. Common package: PE bags with bubble, carton box then bubble, the outmost is plywood box, safe package.

2. Or according to clients’ requirements.


1. Seatransportation, shipping FCL or shipping LCL, this is the most common way

2. Land transportation, this is suitable for the inland countries

3. Air transportation, this is used in the very urgent order

4. Express DHL,TNT,UPS,Fedex etc., this is always used for the sample order to test and also be very urgent order.


1. Standard Items:15-30 working days.

Our Services

1.Low MOQ : It can meet your promotional business very well.

2.OEM&ODM :Accepted.

3.Good Service :We treat each of ourclients like friends and our family.

4.Good Quality : 100% inspection with strict quality control system, we have passed the ISO9001:2008 quality system authentication.

5.Prompt Feedback : We reply every clients within 2 hours.

6.Accurate delivery : We ship on time or in advance 100%.

7.After Sales Services : We continue to serve you after sales and will be responsible for quality problem.


Q1. Can I get onesample to test?

A: Yes, samplecan be at a very low price andwelcomed. The transport fees are at your account.

Q2. How about the quality of your product?

A: It is very popular by our customers, we have a sale volume of USD 8000,000.00 each year and we passed ISO9001:2008 quality authentication.
Q3. OEM/ODM accepted?

A:Yes, Please send you new product drawings or sample to us if you have, and we can custom-made as your required. We will also provide professional advices of the products to make the design to be maximize the performance.

Q4. If you can not find the product on our website,how do youdo?

A:Please send us inquiry with product picturesand drawings by email or other ways you prefer, we’ll check if we could produce.

Q5. CanI trust you?

A:Absolutely yes. Samples could be provided to test firstly, and we can use Alibaba trade assurance service to do business to guarantee both the seller and buyer’s benefit, and we are golden supplier for years.

Company Information

Dezhou Lude Transmission Equipment Co.,Ltd isconcentrated on SCREW JACKand SLEWING DRIVE two main products line intransmission industry since 2001 and FREE CUSTOMIZE SERVICE CAN BE OFFERED. There are more than 350 employee in our factory, among them there are 35 technologyresearch and development staff and 30 quality inspection personnel and 20after sale service staff. 60% of the staff have college degree or above.

Ourcompany enjoys high-endCNC machining, quality inspection machines, technology research machines for many, see the picture following.

Contact for more details to discussing, this is very necessary…


As one of leading gearboxworm manufacturers, suppliers and exporters of mechanical products, We offer gearboxworm and many other products.

Please contact us for details.

Manufacturer supplier exporter of gearboxworm

Recent Posts