China manufacturer Aluminium Alloy Housing RV Series Worm Reducer for DC Motor with Free Design Custom

Merchandise Description

In depth Photos




Merchandise Description

1. Housing: Die-forged Aluminium Alloy Gearbox (RV571~RV090)Solid Iron Gearbox (RV110~RV150)
two. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface area hardness 56-62HRC, .3-.5mm remaining carburized
layer after specific grinding
four. Input Configurations:
Geared up with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC-normalized Motor Flange
Reliable Shaft Enter
Worm Shaft Tail Extension Enter
five. Output Configurations:
Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in Sound Shaft Output

Hollow Shaft Enter with IEC-normalized Motor Flange
Reliable Shaft Enter


Item Parameters

Technical Information

Ratio: 5, 7.5, ten, fifteen, twenty, 25, thirty, forty, 50, 60, 80, a hundred
Flange Mounted
Foot Mounted
Torque Arm Mounted
Grease Lubrication
Oil-tub and Splash Lubrication
All-natural Cooling





Firm Profile

Xihu (West Lake) Transmission Products Co., Ltd. situated HangZhou metropolis, ZHangZhoug, as 1 expert manufacturer
and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare
areas, owns prosperous knowledge in this line for several several years.

We are 1 immediate manufacturing facility, with advanced creation tools, the strong advancement group and making
capability to provide top quality products for customers.

Our merchandise commonly served to various industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wood and so forth. Main markets: China, Africa,Australia,Vietnam, Turkey,
Japan, Korea, Philippines…

Welcome to ask us any concerns, excellent supply constantly for you for extended term enterprise.



Q: Are you investing company or maker?
A: We are manufacturing facility.

Q: How long is your supply time?
A: Usually it is 5-ten times if the products are in stock. or it is 15-20 days if the goods are not in inventory.

Q: Can we purchase 1 pc of each merchandise for quality testing?
A: Of course, we are glad to acknowledge trial get for quality tests.

Q:How to select 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 offer
the specialized data of required output torque, output velocity and motor parameter and so on.

Q: What information shall we give just before positioning a purchase order?
A:a) Kind of the gearbox, ratio, input and output kind, input flange, mounting situation, and motor informationetc.
b) Housing shade.
c) Obtain quantity.
d) Other particular specifications.

How to Establish the Good quality of a Worm Shaft

There are a lot of benefits of a worm shaft. It is simpler to manufacture, as it does not call for guide straightening. Amongst these rewards are ease of routine maintenance, reduced cost, and relieve of set up. In addition, this kind of shaft is much considerably less susceptible to hurt thanks to handbook straightening. This write-up will talk about the diverse aspects that decide the high quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Put on load capacity.
worm shaft

Root diameter

There are different possibilities when choosing worm gearing. The selection is dependent on the transmission used and manufacturing prospects. The simple profile parameters of worm gearing are explained in the skilled and company literature and are utilized in geometry calculations. The chosen variant is then transferred to the major calculation. However, you need to get into account the energy parameters and the equipment ratios for the calculation to be correct. Below are some tips to pick the correct worm gearing.
The root diameter of a worm equipment is calculated from the center of its pitch. Its pitch diameter is a standardized benefit that is decided from its pressure angle at the level of zero gearing correction. The worm equipment pitch diameter is calculated by incorporating the worm’s dimension to the nominal middle distance. When defining the worm gear pitch, you have to maintain in brain that the root diameter of the worm shaft must be scaled-down than the pitch diameter.
Worm gearing needs teeth to evenly distribute the dress in. For this, the tooth aspect of the worm should be convex in the standard and centre-line sections. The form of the teeth, referred to as the evolvent profile, resembles a helical equipment. Typically, the root diameter of a worm gear is a lot more than a quarter inch. Even so, a half-inch distinction is suitable.
An additional way to compute the gearing effectiveness of a worm shaft is by searching at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most put on and tear will arise on the wheel. Oil investigation stories of worm gearing models nearly often display a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.


The dedendum of a worm shaft refers to the radial size of its tooth. The pitch diameter and the minimal diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters consist of the face width and fillet radius. Encounter width describes the width of the gear wheel with no hub projections. Fillet radius measures the radius on the suggestion of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends over and above the equipment encounter. There are two kinds of addendum teeth, one particular with brief-addendum teeth and the other with extended-addendum teeth. The gears them selves have a keyway (a groove machined into the shaft and bore). A essential is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from two shafts that are not parallel, and have a line-toothed style. The pitch circle has two or a lot more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have higher friction and dress in on the tooth teeth and restraining surfaces. If you would like to know more about worm gears, get a appear at the definitions beneath.
worm shaft

CZPT’s whirling process

Whirling procedure is a modern producing approach that is replacing thread milling and hobbing procedures. It has been in a position to lessen production charges and lead times although generating precision gear worms. In addition, it has reduced the want for thread grinding and area roughness. It also minimizes thread rolling. Here’s far more on how CZPT whirling method operates.
The whirling process on the worm shaft can be utilised for making a assortment of screw sorts and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. In contrast to other whirling procedures, the worm shaft is sacrificial, and the approach does not need machining. A vortex tube is utilised to deliver chilled compressed air to the reducing level. If necessary, oil is also included to the combine.
Another approach for hardening a worm shaft is named induction hardening. The approach is a high-frequency electrical approach that induces eddy currents in metallic objects. The higher the frequency, the far more surface area heat it generates. With induction heating, you can system the heating process to harden only specific regions of the worm shaft. The duration of the worm shaft is typically shortened.
Worm gears supply several rewards more than standard gear sets. If employed accurately, they are reliable and very successful. By adhering to proper setup tips and lubrication tips, worm gears can supply the exact same reliable service as any other variety of equipment set. The article by Ray Thibault, a mechanical engineer at the College of Virginia, is an excellent guidebook to lubrication on worm gears.

Wear load potential

The put on load capacity of a worm shaft is a crucial parameter when deciding the performance of a gearbox. Worms can be created with various equipment ratios, and the layout of the worm shaft must reflect this. To establish the dress in load capacity of a worm, you can examine its geometry. Worms are normally made with enamel ranging from a single to 4 and up to twelve. Choosing the proper variety of tooth relies upon on many variables, which includes the optimisation specifications, this sort of as effectiveness, fat, and centre-line distance.
Worm equipment tooth forces boost with increased electrical power density, causing the worm shaft to deflect a lot more. This minimizes its put on load capability, lowers performance, and increases NVH actions. Advances in lubricants and bronze components, merged with far better producing good quality, have enabled the steady increase in power density. Those a few aspects merged will decide the dress in load ability of your worm equipment. It is crucial to take into account all three factors ahead of picking the correct equipment tooth profile.
The bare minimum number of equipment tooth in a gear is dependent on the pressure angle at zero gearing correction. The worm diameter d1 is arbitrary and is dependent on a identified module value, mx or mn. Worms and gears with diverse ratios can be interchanged. An involute helicoid guarantees correct make contact with and form, and supplies increased precision and life. The involute helicoid worm is also a essential component of a equipment.
Worm gears are a type of historical gear. A cylindrical worm engages with a toothed wheel to minimize rotational speed. Worm gears are also utilised as key movers. If you are seeking for a gearbox, it might be a excellent option. If you’re contemplating a worm gear, be certain to verify its load capacity and lubrication needs.
worm shaft

NVH conduct

The NVH behavior of a worm shaft is determined employing the finite element strategy. The simulation parameters are defined using the finite factor strategy and experimental worm shafts are compared to the simulation results. The benefits present that a huge deviation exists in between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. That’s why, an sufficient design for a worm equipment toothing can help decrease the NVH (sound-vibration) actions of the worm shaft.
To calculate the worm shaft’s NVH conduct, the main axes of second of inertia are the diameter of the worm and the variety of threads. This will influence the angle amongst the worm tooth and the successful distance of every single tooth. The length between the principal axes of the worm shaft and the worm gear is the analytical equal bending diameter. The diameter of the worm gear is referred to as its efficient diameter.
The improved electrical power density of a worm equipment benefits in increased forces performing on the corresponding worm gear tooth. This leads to a corresponding improve in deflection of the worm gear, which negatively has an effect on its performance and put on load capacity. In addition, the escalating energy density needs enhanced manufacturing high quality. The steady improvement in bronze components and lubricants has also facilitated the ongoing boost in power density.
The toothing of the worm gears decides the worm shaft deflection. The bending stiffness of the worm equipment toothing is also calculated by making use of a tooth-dependent bending stiffness. The deflection is then transformed into a stiffness benefit by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse part of a two-threaded worm is demonstrated in the determine.

China manufacturer Aluminium Alloy Housing RV Series Worm Reducer for DC Motor     with Free Design CustomChina manufacturer Aluminium Alloy Housing RV Series Worm Reducer for DC Motor     with Free Design Custom