China Best Sales Self Locking Swl 5 Worm Screw Jack for Lifting wholesaler

Product Description


Product Description

one, The gear is created of substantial-power low-carbon alloy steel by carburizing and quenching. The hardness of

the tooth surface area is up to HRC58-sixty two. The gears are groun d grinding technology with large precision and
very good speak to.
2, Large transmission performance: one stage is better than 96.5%, double degree is better than 93%, 3rd
level is increased than ninety%.
three, Sleek procedure and lower sounds.
4, Modest dimension, light-weight bodyweight, lengthy provider life and large carrying potential.
five, Simple to disassemble and straightforward to set up.

Expressed Strategy Of Design


Product Parameters



How to Decide on a Screw Jack? Some queries you require answer pls.

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

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

The lifting speed is ? mm/next (it signifies how much time you want to use to complete the stroke?
This sort of as I want to use twenty seconds to complete the 500mm stroke then can come out the pace is 25mm/s )

Screw jack SWL2.5-120 overall performance parameters desk as the underneath:
Q2: Which the screw leading you want? Solution: I require (A B C D E F).
Q3: Handbook type (Hand wheel pushed) or electrical motor pushed sort? Reply: I want variety.
This fall: Screw movement (screw travelling up and down when doing work) or Nut motion (the nut travelling up
and down when operating)? Upright or Inverted? Reply: I need (A B E F)

Our Positive aspects



Packaging & Shipping and delivery


Business Profile

Xihu (West Lake) Transmission Tools Co., Ltd. found HangZhou metropolis, ZHangZhoug, as 1 skilled
manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox ,
AC motor and relative spare components, owns wealthy experience in this line for numerous years.

We are 1 direct factory, with advanced generation products, the robust growth crew and
generating capacity to provide good quality merchandise for buyers.

Our merchandise widely served to different industries of Metallurgy, Chemicals, textile,drugs,wood
and so on. Major marketplaces: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any concerns, excellent offer you often for you for extended phrase company.


Q: Are you investing business or company?
A: We are manufacturing unit.

Q: How prolonged is your shipping time?
A: Typically it is 5-10 times if the goods are in stock. or it is 15-twenty days if the products are not in inventory.

Q: Can we get 1 pc of every product for good quality tests?
A: Of course, we are happy to accept demo purchase for high quality tests.

Q:How to pick a gearbox which meets your need?
A:You can refer to our catalogue to select the gearbox or we can support to decide on when you supply
the technological information of needed output torque, output pace and motor parameter etc.

Q: What information shall we give ahead of positioning a obtain buy?
A:a) Sort of the gearbox, ratio, input and output sort, enter flange, mounting place, and motor informationetc.
b) Housing coloration.
c) Buy quantity.
d) Other unique demands.

How to Decide on a Worm Shaft and Gear For Your Project

You will learn about axial pitch PX and tooth parameters for a Worm Shaft twenty and Gear 22. Comprehensive details on these two factors will aid you pick a ideal Worm Shaft. Study on to discover a lot more….and get your fingers on the most advanced gearbox at any time developed! Right here are some guidelines for picking a Worm Shaft and Equipment for your undertaking!…and a number of factors to maintain in brain.
worm shaft

Gear 22

The tooth profile of Equipment 22 on Worm Shaft twenty differs from that of a conventional equipment. This is since the enamel of Equipment 22 are concave, making it possible for for far better interaction with the threads of the worm shaft twenty. The worm’s guide angle triggers the worm to self-lock, protecting against reverse motion. Even so, this self-locking system is not completely dependable. Worm gears are utilized in quite a few industrial applications, from elevators to fishing reels and automotive electrical power steering.
The new equipment is installed on a shaft that is secured in an oil seal. To set up a new equipment, you first need to take away the old gear. Following, you need to have to unscrew the two bolts that keep the gear onto the shaft. Following, you must remove the bearing provider from the output shaft. As soon as the worm gear is taken out, you want to unscrew the retaining ring. Soon after that, install the bearing cones and the shaft spacer. Make positive that the shaft is tightened appropriately, but do not above-tighten the plug.
To avert premature failures, use the correct lubricant for the type of worm equipment. A substantial viscosity oil is needed for the sliding action of worm gears. In two-thirds of programs, lubricants were inadequate. If the worm is flippantly loaded, a reduced-viscosity oil may be sufficient. Normally, a high-viscosity oil is required to hold the worm gears in great situation.
Another selection is to fluctuate the amount of tooth about the equipment 22 to minimize the output shaft’s pace. This can be completed by location a certain ratio (for example, five or 10 occasions the motor’s pace) and modifying the worm’s dedendum accordingly. This procedure will minimize the output shaft’s pace to the desired stage. The worm’s dedendum must be tailored to the sought after axial pitch.

Worm Shaft twenty

When picking a worm gear, think about the following items to consider. These are high-performance, low-sound gears. They are resilient, lower-temperature, and prolonged-long lasting. Worm gears are commonly employed in several industries and have many positive aspects. Shown under are just some of their rewards. Read on for more details. Worm gears can be hard to keep, but with correct servicing, they can be very reputable.
The worm shaft is configured to be supported in a body 24. The dimension of the frame 24 is determined by the middle distance amongst the worm shaft twenty and the output shaft sixteen. The worm shaft and gear 22 might not arrive in contact or interfere with a single yet another if they are not configured properly. For these causes, suitable assembly is crucial. However, if the worm shaft twenty is not correctly set up, the assembly will not perform.
One more crucial consideration is the worm materials. Some worm gears have brass wheels, which could result in corrosion in the worm. In addition, sulfur-phosphorous EP equipment oil activates on the brass wheel. These resources can trigger considerable reduction of load floor. Worm gears should be installed with higher-top quality lubricant to avoid these difficulties. There is also a require to pick a content that is higher-viscosity and has minimal friction.
Velocity reducers can contain numerous distinct worm shafts, and every single velocity reducer will demand distinct ratios. In this scenario, the pace reducer producer can offer diverse worm shafts with different thread styles. The different thread styles will correspond to various equipment ratios. Irrespective of the equipment ratio, each worm shaft is created from a blank with the sought after thread. It will not be tough to discover one particular that fits your requirements.
worm shaft

Equipment 22’s axial pitch PX

The axial pitch of a worm gear is calculated by using the nominal middle distance and the Addendum Element, a continual. The Middle Length is the length from the middle of the gear to the worm wheel. The worm wheel pitch is also known as the worm pitch. Each the dimension and the pitch diameter are taken into thought when calculating the axial pitch PX for a Equipment 22.
The axial pitch, or lead angle, of a worm gear establishes how powerful it is. The increased the guide angle, the much less effective the equipment. Direct angles are straight related to the worm gear’s load capability. In particular, the angle of the direct is proportional to the length of the stress area on the worm wheel enamel. A worm gear’s load capability is straight proportional to the amount of root bending stress released by cantilever motion. A worm with a guide angle of g is nearly similar to a helical equipment with a helix angle of 90 deg.
In the present creation, an enhanced strategy of manufacturing worm shafts is described. The strategy involves identifying the sought after axial pitch PX for every reduction ratio and frame dimension. The axial pitch is recognized by a strategy of producing a worm shaft that has a thread that corresponds to the sought after gear ratio. A gear is a rotating assembly of parts that are manufactured up of tooth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be produced from different resources. The substance utilized for the gear’s worms is an important consideration in its choice. Worm gears are typically manufactured of metal, which is more robust and corrosion-resistant than other components. They also call for lubrication and might have floor teeth to lessen friction. In addition, worm gears are usually quieter than other gears.

Gear 22’s tooth parameters

A research of Equipment 22’s tooth parameters exposed that the worm shaft’s deflection relies upon on numerous factors. The parameters of the worm equipment were assorted to account for the worm equipment dimension, strain angle, and dimension factor. In addition, the amount of worm threads was changed. These parameters are different based mostly on the ISO/TS 14521 reference equipment. This review validates the produced numerical calculation design employing experimental final results from Lutz and FEM calculations of worm equipment shafts.
Using the results from the Lutz check, we can obtain the deflection of the worm shaft utilizing the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft in accordance to the formulas presented in AGMA 6022 and DIN 3996 display a excellent correlation with check final results. Nonetheless, the calculation of the worm shaft utilizing the root diameter of the worm employs a various parameter to estimate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated by means of a finite factor model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be regarded as for a total gearbox technique as stiffness of the worm toothing is regarded as. And finally, dependent on this examine, a correction element is designed.
For an excellent worm equipment, the amount of thread begins is proportional to the dimension of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The length amongst the main axes and the worm shaft is identified by Equation fourteen.
worm shaft

Gear 22’s deflection

To study the result of toothing parameters on the deflection of a worm shaft, we used a finite component approach. The parameters considered are tooth peak, stress angle, size element, and quantity of worm threads. Each of these parameters has a various influence on worm shaft bending. Table 1 demonstrates the parameter variants for a reference equipment (Equipment 22) and a different toothing product. The worm equipment size and amount of threads determine the deflection of the worm shaft.
The calculation technique of ISO/TS 14521 is based on the boundary problems of the Lutz take a look at setup. This technique calculates the deflection of the worm shaft making use of the finite aspect approach. The experimentally measured shafts had been in comparison to the simulation final results. The check outcomes and the correction factor had been in contrast to validate that the calculated deflection is similar to the measured deflection.
The FEM analysis 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 force to mass determines the torque. The ratio among the two parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass decides the deflection of worm gears. The deflection of a worm gear has an affect on worm shaft bending potential, efficiency, and NVH. The continuous advancement of power density has been achieved through improvements in bronze components, lubricants, and production good quality.
The principal axes of second of inertia are indicated with the letters A-N. The 3-dimensional graphs are similar for the 7-threaded and 1-threaded worms. The diagrams also demonstrate the axial profiles of every single equipment. In addition, the primary axes of minute of inertia are indicated by a white cross.

China Best Sales Self Locking Swl 5 Worm Screw Jack for Lifting     wholesaler China Best Sales Self Locking Swl 5 Worm Screw Jack for Lifting     wholesaler

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