China supplier 5 Tons Mechanical Adjustable Wheel Worm Screw Jack with high quality

Merchandise Description


Merchandise Description

1, The equipment is manufactured of higher-toughness lower-carbon alloy steel by carburizing and quenching. The hardness of

the tooth surface is up to HRC58-62. The gears are groun d grinding technology with higher precision and
very good contact.
two, Large transmission effectiveness: solitary phase is higher than ninety six.5%, double stage is greater than 93%, 3rd
level is higher than 90%.
3, Clean operation and low noise.
4, Small dimensions, light excess weight, prolonged service daily life and large carrying ability.
five, Straightforward to disassemble and effortless to install.

Expressed Method Of Product


Solution Parameters



How to Pick a Screw Jack? Some queries you want solution pls.

Q1: The capability is to load ? KG (it indicates how many Kg or Tons the screw jack want to carry or fall?)

The stroke is ? mm (it implies the screw shaft length, this sort of as 500mm)

The lifting pace is ? mm/2nd (it implies how much time you want to use to complete the stroke?
These kinds of as I want to use 20 seconds to complete the 500mm stroke then can arrive out the pace is 25mm/s )

Screw jack SWL2.5-a hundred and twenty overall performance parameters table as the below:
Q2: Which the screw prime you want? Response: I want (A B C D E F).
Q3: Handbook variety (Hand wheel driven) or electrical motor driven type? Answer: I want variety.
Q4: Screw movement (screw travelling up and down when doing work) or Nut movement (the nut travelling up
and down when working)? Upright or Inverted? Response: I require (A B E F)

Our Positive aspects



Packaging & Delivery


Company Profile

Xihu (West Lake) Transmission Gear Co., Ltd. located HangZhou town, ZHangZhoug, as 1 specialist
company and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox ,
AC motor and relative spare elements, owns rich encounter in this line for several a long time.

We are 1 direct manufacturing unit, with innovative creation tools, the powerful advancement team and
making ability to supply good quality goods for customers.

Our goods extensively served to various industries of Metallurgy, Substances, textile,medication,wood
and so on. Primary markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any inquiries, good supply constantly for you for long time period organization.


Q: Are you investing company or company?
A: We are factory.

Q: How extended is your supply time?
A: Generally it is 5-ten days if the items are in stock. or it is 15-twenty times if the goods are not in inventory.

Q: Can we buy 1 laptop of every single merchandise for good quality screening?
A: Sure, we are glad to acknowledge trial buy for quality testing.

Q:How to choose a gearbox which fulfills your requirement?
A:You can refer to our catalogue to decide on the gearbox or we can aid to select when you supply
the complex data of required output torque, output pace and motor parameter and so forth.

Q: What data shall we give before inserting a obtain get?
A:a) Sort of the gearbox, ratio, input and output sort, enter flange, mounting placement, and motor informationetc.
b) Housing coloration.
c) Obtain amount.
d) Other special needs.

How to Select a Worm Shaft and Gear For Your Venture

You will find out about axial pitch PX and tooth parameters for a Worm Shaft twenty and Gear 22. In depth details on these two parts will assist you choose a appropriate Worm Shaft. Go through on to learn more….and get your hands on the most sophisticated gearbox ever designed! Here are some tips for selecting a Worm Shaft and Gear for your undertaking!…and a few issues to hold in brain.
worm shaft

Gear 22

The tooth profile of Equipment 22 on Worm Shaft twenty differs from that of a conventional gear. This is simply because the teeth of Equipment 22 are concave, making it possible for for much better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, stopping reverse movement. However, this self-locking system is not entirely dependable. Worm gears are utilized in several industrial programs, from elevators to fishing reels and automotive energy steering.
The new gear is set up on a shaft that is secured in an oil seal. To install a new gear, you initial want to eliminate the old equipment. Up coming, you require to unscrew the two bolts that maintain the gear on to the shaft. Next, you should take away the bearing carrier from the output shaft. As soon as the worm equipment is taken out, you require to unscrew the retaining ring. Right after that, set up the bearing cones and the shaft spacer. Make positive that the shaft is tightened correctly, but do not over-tighten the plug.
To stop premature failures, use the proper lubricant for the variety of worm gear. A high viscosity oil is needed for the sliding action of worm gears. In two-thirds of applications, lubricants have been inadequate. If the worm is frivolously loaded, a minimal-viscosity oil may be sufficient. Otherwise, a higher-viscosity oil is necessary to maintain the worm gears in excellent situation.
Another option is to vary the number of enamel about the equipment 22 to reduce the output shaft’s speed. This can be completed by location a specific ratio (for instance, 5 or ten times the motor’s pace) and modifying the worm’s dedendum appropriately. This approach will minimize the output shaft’s speed to the sought after stage. The worm’s dedendum must be adapted to the wanted axial pitch.

Worm Shaft 20

When deciding on a worm equipment, think about the subsequent factors to take into account. These are large-efficiency, minimal-sound gears. They are durable, reduced-temperature, and extended-lasting. Worm gears are extensively utilized in quite a few industries and have numerous positive aspects. Detailed beneath are just some of their positive aspects. Go through on for far more details. Worm gears can be difficult to preserve, but with correct routine maintenance, they can be quite trustworthy.
The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is decided by the centre distance between the worm shaft twenty and the output shaft 16. The worm shaft and equipment 22 could not occur in make contact with or interfere with one yet another if they are not configured appropriately. For these reasons, appropriate assembly is vital. However, if the worm shaft twenty is not appropriately installed, the assembly will not purpose.
Another important thought is the worm content. Some worm gears have brass wheels, which may possibly trigger corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can result in significant decline of load surface area. Worm gears need to be put in with high-high quality lubricant to avoid these difficulties. There is also a want to pick a content that is substantial-viscosity and has lower friction.
Pace reducers can consist of a lot of diverse worm shafts, and each speed reducer will require diverse ratios. In this situation, the pace reducer maker can supply different worm shafts with distinct thread patterns. The different thread styles will correspond to distinct gear ratios. No matter of the gear ratio, every worm shaft is created from a blank with the preferred thread. It will not be challenging to discover one that suits your requirements.
worm shaft

Gear 22’s axial pitch PX

The axial pitch of a worm equipment is calculated by utilizing the nominal middle distance and the Addendum Factor, a continuous. The Heart Length is the distance from the centre of the gear to the worm wheel. The worm wheel pitch is also named the worm pitch. Each the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22.
The axial pitch, or direct angle, of a worm equipment establishes how effective it is. The higher the direct angle, the less efficient the gear. Direct angles are right associated to the worm gear’s load ability. In distinct, the angle of the direct is proportional to the length of the tension region on the worm wheel tooth. A worm gear’s load capability is straight proportional to the sum of root bending stress launched by cantilever motion. A worm with a guide angle of g is practically equivalent to a helical gear with a helix angle of ninety deg.
In the current creation, an enhanced technique of production worm shafts is explained. The technique entails determining the desired axial pitch PX for every single reduction ratio and frame dimensions. The axial pitch is established by a strategy of manufacturing a worm shaft that has a thread that corresponds to the preferred gear ratio. A gear is a rotating assembly of areas that are manufactured up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be produced from different components. The substance utilised for the gear’s worms is an critical thing to consider in its assortment. Worm gears are generally created of steel, which is more powerful and corrosion-resistant than other supplies. They also require lubrication and may have ground enamel to decrease friction. In addition, worm gears are frequently quieter than other gears.

Gear 22’s tooth parameters

A review of Gear 22’s tooth parameters revealed that the worm shaft’s deflection relies upon on different elements. The parameters of the worm equipment had been varied to account for the worm equipment dimensions, pressure angle, and dimensions aspect. In addition, the amount of worm threads was transformed. These parameters are varied primarily based on the ISO/TS 14521 reference gear. This review validates the produced numerical calculation product utilizing experimental results from Lutz and FEM calculations of worm equipment shafts.
Making use of the results from the Lutz test, we can acquire the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 present a good correlation with test results. Even so, the calculation of the worm shaft making use of the root diameter of the worm employs a distinct parameter to compute the equal bending diameter.
The bending stiffness of a worm shaft is calculated through a finite factor product (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be regarded for a comprehensive gearbox program as stiffness of the worm toothing is regarded as. And lastly, dependent on this research, a correction factor is designed.
For an perfect worm equipment, the amount of thread commences is proportional to the dimension of the worm. The worm’s diameter and toothing issue are calculated from Equation 9, which is a formulation for the worm gear’s root inertia. The length among the major axes and the worm shaft is decided by Equation fourteen.
worm shaft

Equipment 22’s deflection

To research the impact of toothing parameters on the deflection of a worm shaft, we utilised a finite aspect strategy. The parameters regarded as are tooth height, force angle, measurement element, and number of worm threads. Every single of these parameters has a different impact on worm shaft bending. Table 1 demonstrates the parameter versions for a reference equipment (Equipment 22) and a various toothing design. The worm gear dimensions and variety of threads figure out the deflection of the worm shaft.
The calculation approach of ISO/TS 14521 is primarily based on the boundary circumstances of the Lutz test setup. This approach calculates the deflection of the worm shaft employing the finite element technique. The experimentally calculated shafts have been when compared to the simulation outcomes. The take a look at final results and the correction factor were when compared to validate that the calculated deflection is comparable to the measured deflection.
The FEM investigation implies the influence of tooth parameters on worm shaft bending. Equipment 22’s deflection on Worm Shaft can be defined by the ratio of tooth power to mass. The ratio of worm tooth power to mass decides the torque. The ratio between the two parameters is the rotational velocity. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an effect on worm shaft bending potential, efficiency, and NVH. The continuous improvement of electricity density has been achieved via developments in bronze components, lubricants, and production top quality.
The primary axes of instant of inertia are indicated with the letters A-N. The three-dimensional graphs are similar for the 7-threaded and one-threaded worms. The diagrams also present the axial profiles of each gear. In addition, the major axes of second of inertia are indicated by a white cross.

China supplier 5 Tons Mechanical Adjustable Wheel Worm Screw Jack     with higher top qualityChina supplier 5 Tons Mechanical Adjustable Wheel Worm Screw Jack     with high quality