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Hand Screw Jacks/Screw Lift
Picture&Function:


Hand wheel worm gear screw jack is composed of hand wheel or hand crank and a complete set worm gear screw jack with internal worm and worm gear sets, standard hand wheel or hand crank.
Advantages:
-Self-locking ability
-Can be driven directly by motor or other power or manual
-Can be customized according user's demand
-Compact configuration, small size, lightweight
-Convenient installation, flexible operation
-High reliability and stability
-Long service life
-More connection form etc.
Application Industry:
Screw jak is applied to all fields for lifting or pulling, such as
Aircraft maintenance platform, Solar plate, machinery, metallurgy,
water conservancy, medical treatment, chemical industry, culture and
hygienist etc.

How to choose a suitable model?
Some parameters need to clear when choose a screw jack, pls clear us the below to offer you the best products and service. Answer the following pls
1. The lift capacity ? (It means how many Kilos or KN the screw jack need to lift? Such as 5Kn)
The screw’s travel stroke? (It means the screw’s travel distance, such as 400mm)
The ratio? (It means how much time the screw takes to finish the travel stroke, such as I want to use 10 seconds to finish the 400mm stroke)

2.Translating screw or translating nut ? Translating nut has a much higher precision than translating screw and it can save space.

3. Pull or lift (below in picture Upright or Inverted )

4.Which of the screw top you need?

5.Manual type(hand wheel operated) or electric motor driver type?
If electric motor driver type you should tell me the flange size of your electric motor, if your motor has no flange we can use an coupling to linkage the screw jack.

Screw jacks type:
There are SWL,SJA and SJB series screw jack, SWL is the most common type used, SJA and SJB has a compact, small size, mainly used in the small space place, and ball screw movement has a much higher precision than trapezoidal screw movement. We will give you the best suggestion after got your parameters of the above 5 questions.

Linkage Scheme:
Quantity above 2 sets will need linkage scheme, see the below

We will make the CAD drawing for you to confirm after got your parameters above, so just pls take assure to place your order.
Application Example:


Payment:
We accept T/T, the Credit Card, E-checking, L/C, Alibaba Trade Assurance etc.
Packaging:
1. Common package: PE bags with bubble, carton box then bubble, the outmost is plywood box, safe package.
2. Or according to clients' requirements.
Shipping:
1. Sea transportation: 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.

Dezhou Lude Transmission Equipment Co.,Ltd is concentrated was in transmission industry since 2001, there are more than 350 employee in our factory, among them there are 35 technology research and development staff and 30 quality inspection personnel and 20 after sale service staff. 60% of the staff have college degree or above. Our company enjoys high-end CNC machining, quality inspection machines, technology research machines for many, see the picture following.
Our Service:
1.Low MOQ : It can meet your promotional business very well.
2.OEM&ODM : Accepted.
3.Good Service : We treat each of our clients 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.
Contact for more details confirm, this is very necessary:

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