China Hot selling Hand-Operated Worm Screw Jack 500mm Stroke Swl5 for 0.5 Ton near me factory

Item Description


Solution Description

1, The gear is manufactured of high-strength minimal-carbon alloy metal by carburizing and quenching. The hardness of

the tooth surface area is up to HRC58-sixty two. The gears are groun d grinding technological innovation with substantial precision and
good get in touch with.
two, Large transmission efficiency: single phase is higher than ninety six.5%, double level is better than 93%, 3rd
level is higher than 90%.
three, Sleek procedure and minimal sound.
four, Modest dimensions, light-weight bodyweight, long service daily life and substantial carrying potential.
5, Straightforward to disassemble and effortless to put in.

Expressed Approach Of Design


Product Parameters



How to Pick a Screw Jack? Some queries you require reply pls.

Q1: The potential is to load ? KG (it signifies how several Kg or Tons the screw jack want to lift or fall?)

The stroke is ? mm (it signifies the screw shaft length, these kinds of as 500mm)

The lifting velocity is ? mm/next (it indicates how a lot time you want to use to end the stroke?
These kinds of as I want to use 20 seconds to finish the 500mm stroke then can appear out the pace is 25mm/s )

Screw jack SWL2.5-one hundred twenty overall performance parameters table as the beneath:
Q2: Which the screw best you want? Solution: I need (A B C D E F).
Q3: Guide type (Hand wheel pushed) or electric motor pushed type? Reply: I want variety.
This autumn: Screw motion (screw travelling up and down when functioning) or Nut motion (the nut travelling up
and down when doing work)? Upright or Inverted? Solution: I want (A B E F)

Our Benefits



Packaging & Shipping and delivery


Company Profile

Xihu (West Lake) Transmission Gear Co., Ltd. found HangZhou metropolis, ZHangZhoug, as 1 specialist
manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox ,
AC motor and relative spare elements, owns wealthy knowledge in this line for a lot of several years.

We are 1 direct factory, with advanced manufacturing tools, the powerful improvement group and
generating ability to offer quality goods for buyers.

Our merchandise commonly served to numerous industries of Metallurgy, Chemical compounds, textile,drugs,picket
etc. Primary marketplaces: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any questions, good offer constantly for you for lengthy time period business.


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

Q: How extended is your shipping and delivery time?
A: Normally it is 5-ten days if the products are in inventory. or it is 15-20 days if the products are not in inventory.

Q: Can we buy 1 pc of each and every item for quality testing?
A: Indeed, we are glad to take demo buy for high quality tests.

Q:How to pick a gearbox which satisfies your requirement?
A:You can refer to our catalogue to pick the gearbox or we can aid to decide on when you supply
the complex data of essential output torque, output speed and motor parameter and many others.

Q: What data shall we give prior to putting a obtain purchase?
A:a) Type of the gearbox, ratio, input and output kind, input flange, mounting placement, and motor informationetc.
b) Housing colour.
c) Obtain amount.
d) Other special requirements.

How to Choose a Worm Shaft and Equipment For Your Undertaking

You will find out about axial pitch PX and tooth parameters for a Worm Shaft twenty and Gear 22. Thorough information on these two elements will assist you decide on a ideal Worm Shaft. Read on to discover much more….and get your fingers on the most superior gearbox ever created! Right here are some tips for choosing a Worm Shaft and Equipment for your undertaking!…and a few items to keep in thoughts.
worm shaft

Equipment 22

The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a standard gear. This is since the teeth of Gear 22 are concave, making it possible for for far better conversation with the threads of the worm shaft twenty. The worm’s lead angle leads to the worm to self-lock, protecting against reverse motion. However, this self-locking mechanism is not entirely trusted. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive energy steering.
The new gear is mounted on a shaft that is secured in an oil seal. To set up a new equipment, you initial need to eliminate the outdated gear. Up coming, you want to unscrew the two bolts that maintain the gear on to the shaft. Up coming, you need to eliminate the bearing provider from the output shaft. Once the worm equipment is removed, you need to unscrew the retaining ring. Following that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not above-tighten the plug.
To avoid untimely failures, use the correct lubricant for the sort of worm equipment. A large viscosity oil is necessary for the sliding motion of worm gears. In two-thirds of programs, lubricants were insufficient. If the worm is lightly loaded, a reduced-viscosity oil might be ample. Normally, a large-viscosity oil is essential to preserve the worm gears in great situation.
One more option is to differ the quantity of tooth all around the gear 22 to reduce the output shaft’s speed. This can be carried out by environment a distinct ratio (for example, 5 or ten times the motor’s pace) and modifying the worm’s dedendum appropriately. This procedure will decrease the output shaft’s pace to the preferred amount. The worm’s dedendum ought to be tailored to the wanted axial pitch.

Worm Shaft 20

When deciding on a worm equipment, consider the pursuing factors to consider. These are large-functionality, reduced-noise gears. They are sturdy, reduced-temperature, and lengthy-lasting. Worm gears are widely utilised in quite a few industries and have several advantages. Outlined underneath are just some of their benefits. Go through on for far more details. Worm gears can be tough to keep, but with correct routine maintenance, they can be quite reliable.
The worm shaft is configured to be supported in a body 24. The dimension of the body 24 is identified by the centre distance amongst the worm shaft 20 and the output shaft 16. The worm shaft and equipment 22 may possibly not appear in speak to or interfere with 1 one more if they are not configured effectively. For these reasons, correct assembly is vital. Nonetheless, if the worm shaft 20 is not correctly installed, the assembly will not purpose.
Yet another essential thought is the worm content. Some worm gears have brass wheels, which could cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These components can cause significant decline of load surface area. Worm gears should be set up with higher-quality lubricant to avoid these troubles. There is also a require to select a materials that is high-viscosity and has minimal friction.
Speed reducers can contain several various worm shafts, and each and every pace reducer will require distinct ratios. In this circumstance, the speed reducer company can supply different worm shafts with diverse thread designs. The different thread styles will correspond to various equipment ratios. No matter of the equipment ratio, every worm shaft is manufactured from a blank with the wanted thread. It will not be challenging to locate one that fits your requirements.
worm shaft

Equipment 22’s axial pitch PX

The axial pitch of a worm equipment is calculated by employing the nominal middle length and the Addendum Factor, a constant. The Centre Length is the length from the heart of the gear to the worm wheel. The worm wheel pitch is also named the worm pitch. Both the dimension and the pitch diameter are taken into thought when calculating the axial pitch PX for a Equipment 22.
The axial pitch, or direct angle, of a worm gear establishes how efficient it is. The increased the lead angle, the significantly less successful the gear. Lead angles are straight connected to the worm gear’s load ability. In particular, the angle of the lead is proportional to the duration of the stress spot on the worm wheel teeth. A worm gear’s load capacity is straight proportional to the quantity of root bending stress released by cantilever motion. A worm with a direct angle of g is virtually similar to a helical equipment with a helix angle of 90 deg.
In the present creation, an enhanced method of manufacturing worm shafts is described. The method entails determining the preferred axial pitch PX for every reduction ratio and body size. The axial pitch is set up by a strategy of manufacturing a worm shaft that has a thread that corresponds to the sought after equipment ratio. A equipment is a rotating assembly of parts that are created up of tooth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be made from diverse supplies. The materials utilized for the gear’s worms is an important thing to consider in its assortment. Worm gears are generally made of steel, which is more robust and corrosion-resistant than other components. They also call for lubrication and may have floor tooth to reduce friction. In addition, worm gears are typically quieter than other gears.

Gear 22’s tooth parameters

A research of Gear 22’s tooth parameters uncovered that the worm shaft’s deflection is dependent on a variety of elements. The parameters of the worm equipment ended up varied to account for the worm equipment dimensions, pressure angle, and measurement element. In addition, the amount of worm threads was modified. These parameters are assorted based on the ISO/TS 14521 reference gear. This review validates the developed numerical calculation product employing experimental results from Lutz and FEM calculations of worm gear shafts.
Utilizing the final results from the Lutz take a look at, we can acquire the deflection of the worm shaft making use of the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft in accordance to the formulation provided in AGMA 6022 and DIN 3996 present a good correlation with test outcomes. Nonetheless, the calculation of the worm shaft using the root diameter of the worm makes use of a different parameter to determine the equal bending diameter.
The bending stiffness of a worm shaft is calculated through a finite element design (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be deemed for a full gearbox method as stiffness of the worm toothing is deemed. And finally, primarily based on this examine, a correction factor is designed.
For an perfect worm gear, the quantity of thread starts off is proportional to the dimension of the worm. The worm’s diameter and toothing aspect are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The length in between the primary axes and the worm shaft is decided by Equation fourteen.
worm shaft

Gear 22’s deflection

To study the result of toothing parameters on the deflection of a worm shaft, we utilized a finite element technique. The parameters deemed are tooth peak, stress angle, size aspect, and variety of worm threads. Each and every of these parameters has a diverse influence on worm shaft bending. Desk 1 exhibits the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm equipment size and amount of threads figure out the deflection of the worm shaft.
The calculation method of ISO/TS 14521 is based mostly on the boundary situations of the Lutz take a look at set up. This method calculates the deflection of the worm shaft utilizing the finite aspect strategy. The experimentally calculated shafts were compared to the simulation final results. The take a look at results and the correction factor had been compared to confirm that the calculated deflection is comparable to the measured deflection.
The FEM examination implies the impact of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth power to mass decides the torque. The ratio between the two parameters is the rotational pace. The ratio of worm equipment tooth forces to worm shaft mass establishes the deflection of worm gears. The deflection of a worm equipment has an influence on worm shaft bending ability, efficiency, and NVH. The steady growth of power density has been accomplished by way of developments in bronze materials, lubricants, and production top quality.
The main axes of second of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one particular-threaded worms. The diagrams also present the axial profiles of each and every equipment. In addition, the main axes of second of inertia are indicated by a white cross.

China Hot selling Hand-Operated Worm Screw Jack 500mm Stroke Swl5 for 0.5 Ton     near me factory China Hot selling Hand-Operated Worm Screw Jack 500mm Stroke Swl5 for 0.5 Ton     around me manufacturing unit