China factory Translating Worm Ball Worm Screw Jack wholesaler

Product Description


Solution Description

1, The gear is manufactured of large-power reduced-carbon alloy metal by carburizing and quenching. The hardness of

the tooth surface is up to HRC58-62. The gears are groun d grinding technology with substantial precision and
good speak to.
two, Substantial transmission effectiveness: solitary phase is greater than 96.5%, double degree is better than 93%, third
level is higher than ninety%.
three, Smooth operation and lower sounds.
4, Tiny size, light-weight excess weight, lengthy services lifestyle and high carrying ability.
five, Easy to disassemble and simple to set up.

Expressed Approach Of Product


Merchandise Parameters



How to Pick a Screw Jack? Some inquiries you need to have response pls.

Q1: The ability is to load ? KG (it implies how many Kg or Tons the screw jack need to have to raise or fall?)

The stroke is ? mm (it indicates the screw shaft length, such as 500mm)

The lifting pace is ? mm/second (it means how a lot time you want to use to end the stroke?
Such as I want to use twenty seconds to complete the 500mm stroke then can appear out the pace is 25mm/s )

Screw jack SWL2.5-120 functionality parameters desk as the beneath:
Q2: Which the screw prime you require? Answer: I require (A B C D E F).
Q3: Guide sort (Hand wheel driven) or electrical motor pushed variety? Solution: I need kind.
This fall: Screw motion (screw travelling up and down when doing work) or Nut movement (the nut travelling up
and down when functioning)? Upright or Inverted? Reply: I want (A B E F)

Our Advantages



Packaging & Shipping and delivery


Business Profile

Xihu (West Lake) Transmission Products Co., Ltd. located HangZhou metropolis, ZHangZhoug, as 1 skilled
company and exporter of cycloidal pin wheel reducer,worm reducer, equipment reducer, gearbox ,
AC motor and relative spare areas, owns abundant knowledge in this line for a lot of several years.

We are 1 immediate manufacturing unit, with sophisticated creation equipment, the strong growth team and
generating ability to offer quality goods for clients.

Our products widely served to numerous industries of Metallurgy, Chemicals, textile,medicine,wooden
and so on. Primary markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to ask us any questions, excellent supply usually for you for lengthy expression enterprise.


Q: Are you buying and selling organization or maker?
A: We are manufacturing unit.

Q: How long is your shipping time?
A: Typically it is 5-10 times if the items are in inventory. or it is 15-twenty days if the merchandise are not in inventory.

Q: Can we buy 1 personal computer of every item for high quality screening?
A: Yes, we are happy to take demo purchase for top quality tests.

Q:How to choose a gearbox which fulfills your requirement?
A:You can refer to our catalogue to select the gearbox or we can assist to choose when you supply
the technical information of needed output torque, output pace and motor parameter and so forth.

Q: What details shall we give just before inserting a obtain buy?
A:a) Sort of the gearbox, ratio, input and output kind, enter flange, mounting position, and motor informationetc.
b) Housing coloration.
c) Purchase quantity.
d) Other particular requirements.

How to Calculate the Diameter of a Worm Gear

worm shaft
In this write-up, we will examine the attributes of the Duplex, One-throated, and Undercut worm gears and the examination of worm shaft deflection. Aside from that, we will investigate how the diameter of a worm gear is calculated. If you have any doubt about the operate of a worm gear, you can refer to the table underneath. Also, preserve in head that a worm equipment has numerous crucial parameters which decide its functioning.

Duplex worm gear

A duplex worm gear established is distinguished by its potential to sustain exact angles and high gear ratios. The backlash of the gearing can be readjusted several moments. The axial placement of the worm shaft can be established by altering screws on the housing cover. This function permits for reduced backlash engagement of the worm tooth pitch with the worm gear. This attribute is specially beneficial when backlash is a crucial factor when choosing gears.
The normal worm gear shaft needs significantly less lubrication than its dual counterpart. Worm gears are challenging to lubricate because they are sliding relatively than rotating. They also have less relocating components and much less factors of failure. The downside of a worm gear is that you can’t reverse the direction of electricity owing to friction among the worm and the wheel. Due to the fact of this, they are ideal employed in equipment that operate at minimal speeds.
Worm wheels have tooth that kind a helix. This helix produces axial thrust forces, dependent on the hand of the helix and the route of rotation. To handle these forces, the worms need to be mounted securely making use of dowel pins, action shafts, and dowel pins. To stop the worm from shifting, the worm wheel axis must be aligned with the center of the worm wheel’s experience width.
The backlash of the CZPT duplex worm gear is adjustable. By shifting the worm axially, the segment of the worm with the wanted tooth thickness is in speak to with the wheel. As a consequence, the backlash is adjustable. Worm gears are an excellent option for rotary tables, large-precision reversing programs, and ultra-lower-backlash gearboxes. Axial shift backlash is a main advantage of duplex worm gears, and this characteristic interprets into a basic and fast assembly procedure.
When selecting a equipment established, the dimensions and lubrication procedure will be vital. If you happen to be not mindful, you may possibly finish up with a damaged equipment or one particular with poor backlash. The good news is, there are some straightforward ways to maintain the correct tooth speak to and backlash of your worm gears, making certain extended-phrase dependability and overall performance. As with any equipment established, suitable lubrication will guarantee your worm gears last for a long time to arrive.
worm shaft

Solitary-throated worm equipment

Worm gears mesh by sliding and rolling motions, but sliding speak to dominates at high reduction ratios. Worm gears’ effectiveness is restricted by the friction and warmth produced during sliding, so lubrication is necessary to preserve best efficiency. The worm and gear are generally produced of dissimilar metals, this sort of as phosphor-bronze or hardened steel. MC nylon, a artificial engineering plastic, is often employed for the shaft.
Worm gears are extremely effective in transmission of electrical power and are adaptable to different varieties of equipment and units. Their minimal output speed and large torque make them a popular selection for power transmission. A solitary-throated worm gear is effortless to assemble and lock. A double-throated worm equipment demands two shafts, one for each and every worm equipment. Each designs are productive in large-torque programs.
Worm gears are widely utilised in electrical power transmission apps since of their reduced speed and compact design and style. A numerical design was produced to compute the quasi-static load sharing amongst gears and mating surfaces. The influence coefficient strategy enables quick computing of the deformation of the gear area and neighborhood make contact with of the mating surfaces. The resultant analysis shows that a single-throated worm equipment can lessen the amount of power essential to drive an electric powered motor.
In addition to the wear induced by friction, a worm wheel can knowledge extra dress in. Simply because the worm wheel is softer than the worm, most of the wear takes place on the wheel. In simple fact, the quantity of teeth on a worm wheel need to not match its thread rely. A single-throated worm equipment shaft can increase the performance of a equipment by as much as 35%. In addition, it can decrease the cost of operating.
A worm equipment is utilised when the diametrical pitch of the worm wheel and worm gear are the exact same. If the diametrical pitch of the two gears is the very same, the two worms will mesh properly. In addition, the worm wheel and worm will be hooked up to each and every other with a established screw. This screw is inserted into the hub and then secured with a locknut.

Undercut worm equipment

Undercut worm gears have a cylindrical shaft, and their enamel are formed in an evolution-like sample. Worms are produced of a hardened cemented metallic, 16MnCr5. The number of equipment enamel is determined by the stress angle at the zero gearing correction. The teeth are convex in standard and centre-line sections. The diameter of the worm is decided by the worm’s tangential profile, d1. Undercut worm gears are employed when the number of enamel in the cylinder is huge, and when the shaft is rigid sufficient to resist too much load.
The center-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its protection. Enter a distinct worth for the bearing length. Then, the application proposes a assortment of appropriate answers dependent on the amount of enamel and the module. The table of options includes a variety of choices, and the picked variant is transferred to the main calculation.
A stress-angle-angle-compensated worm can be made making use of single-pointed lathe instruments or finish mills. The worm’s diameter and depth are motivated by the cutter utilized. In addition, the diameter of the grinding wheel establishes the profile of the worm. If the worm is cut way too deep, it will result in undercutting. Despite the undercutting chance, the design of worm gearing is adaptable and allows substantial freedom.
The reduction ratio of a worm equipment is substantial. With only a small hard work, the worm equipment can substantially decrease pace and torque. In contrast, traditional equipment sets want to make a number of reductions to get the very same reduction degree. Worm gears also have numerous drawbacks. Worm gears cannot reverse the course of electrical power due to the fact the friction in between the worm and the wheel makes this unattainable. The worm equipment can’t reverse the course of electrical power, but the worm moves from a single course to one more.
The method of undercutting is closely connected to the profile of the worm. The worm’s profile will differ dependent on the worm diameter, guide angle, and grinding wheel diameter. The worm’s profile will alter if the generating procedure has taken out content from the tooth base. A modest undercut reduces tooth strength and minimizes make contact with. For smaller gears, a minimum of fourteen-1/2degPA gears must be employed.
worm shaft

Examination of worm shaft deflection

To analyze the worm shaft deflection, we initial derived its maximum deflection value. The deflection is calculated making use of the Euler-Bernoulli method and Timoshenko shear deformation. Then, we calculated the moment of inertia and the location of the transverse part employing CAD software program. In our analysis, we utilised the benefits of the check to assess the ensuing parameters with the theoretical kinds.
We can use the resulting centre-line distance and worm gear tooth profiles to compute the necessary worm deflection. Utilizing these values, we can use the worm gear deflection evaluation to guarantee the appropriate bearing measurement and worm equipment enamel. Once we have these values, we can transfer them to the principal calculation. Then, we can determine the worm deflection and its safety. Then, we enter the values into the proper tables, and the resulting options are automatically transferred into the major calculation. Nevertheless, we have to preserve in head that the deflection value will not be deemed safe if it is bigger than the worm gear’s outer diameter.
We use a 4-phase method for investigating worm shaft deflection. We first implement the finite aspect strategy to compute the deflection and assess the simulation outcomes with the experimentally tested worm shafts. Lastly, we complete parameter reports with fifteen worm gear toothings with out contemplating the shaft geometry. This action is the very first of 4 stages of the investigation. When we have calculated the deflection, we can use the simulation outcomes to figure out the parameters needed to enhance the style.
Employing a calculation program to compute worm shaft deflection, we can establish the performance of worm gears. There are numerous parameters to enhance gearing efficiency, which includes materials and geometry, and lubricant. In addition, we can decrease the bearing losses, which are induced by bearing failures. We can also identify the supporting strategy for the worm shafts in the possibilities menu. The theoretical section supplies more details.

China factory Translating Worm Ball Worm Screw Jack     wholesaler China factory Translating Worm Ball Worm Screw Jack     wholesaler