China Good quality High Efficiency Worm Gear Series Double Enveloping Worm Gear Worm Gearbox wholesaler

Product Description


Merchandise Description

Planar dobule enveloping ring floor worm reducer is a new type of transmission device, which has big bearing
ability, higher transmission performance, compact and reasonable construction.This reducer can be extensively utilized in a selection
of transmission equipment deceleration travel, these kinds of as metallurgy, mining, hoisting, chemical sector, construction
rubber ship and other industries and other mechanical tools, suitable for the input shaft pace is not a lot more than
1500 RPM, the worm shaft can be positive, reverse direction rotation.

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Company Profile

Xihu (West Lake) Transmission Products Co., Ltd. located HangZhou metropolis, ZHangZhoug, as 1 expert maker
and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox,AC motor and relative spare
components, owns abundant expertise in this line for a lot of a long time.

We are 1 direct manufacturing facility, with superior production gear, the sturdy development group and producing
potential to provide good quality goods for clients.

Our merchandise extensively served to different industries of Metallurgy, Substances, textile,drugs,wooden etc. Principal
markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any inquiries, excellent offer constantly for you for extended phrase business.


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

Q: How prolonged is your shipping and delivery time?
A: Typically it is 5-10 times if the items are in inventory. or it is 15-20 days if the products are not in stock.

Q: Can we purchase 1 pc of every product for quality testing?
A: Sure, we are happy to acknowledge trial buy for good quality tests.

Q:How to select a gearbox which meets your prerequisite?
A:You can refer to our catalogue to pick the gearbox or we can help to choose when you offer
the technological data of essential output torque, output speed and motor parameter etc.

Q: What info shall we give prior to putting a purchase buy?
A:a) Variety of the gearbox, ratio, enter and output variety, input flange, mounting place, and motor informationetc.
b) Housing shade.
c) Purchase amount.
d) Other particular requirements.

Worm Shafts and Gearboxes

If you have a gearbox, you may be asking yourself what the very best Worm Shaft is for your software. There are numerous items to contemplate, such as the Concave form, Variety of threads, and Lubrication. This write-up will explain each element and aid you select the correct Worm Shaft for your gearbox. There are many alternatives offered on the market place, so will not hesitate to shop about. If you are new to the entire world of gearboxes, go through on to learn much more about this well-known kind of gearbox.
worm shaft

Concave shape

The geometry of a worm gear differs substantially depending on its manufacturer and its intended use. Early worms had a standard profile that resembled a screw thread and could be chased on a lathe. Later on, equipment with a straight sided g-angle were designed to make threads that had been parallel to the worm’s axis. Grinding was also produced to improve the finish of worm threads and decrease distortions that take place with hardening.
To decide on a worm with the suitable geometry, the diameter of the worm gear have to be in the identical device as the worm’s shaft. After the simple profile of the worm equipment is established, the worm equipment teeth can be specified. The calculation also requires an angle for the worm shaft to avert it from overheating. The angle of the worm shaft must be as near to the vertical axis as possible.
Double-enveloping worm gears, on the other hand, do not have a throat around the worm. They are helical gears with a straight worm shaft. Because the teeth of the worm are in contact with every single other, they make considerable friction. Unlike double-enveloping worm gears, non-throated worm gears are a lot more compact and can handle more compact masses. They are also effortless to manufacture.
The worm gears of various producers offer a lot of positive aspects. For instance, worm gears are one particular of the most successful methods to boost torque, even though decrease-top quality materials like bronze are hard to lubricate. Worm gears also have a minimal failure price due to the fact they allow for significant leeway in the style procedure. In spite of the variations among the two standards, the total functionality of a worm equipment technique is the same.
The cone-formed worm is an additional type. This is a technological plan that brings together a straight worm shaft with a concave arc. The concave arc is also a helpful utility model. Worms with this condition have more than three contacts at the same time, which indicates they can reduce a massive diameter without having abnormal put on. It is also a comparatively reduced-cost model.
worm shaft

Thread pattern

A great worm gear requires a perfect thread sample. There are a couple of crucial parameters that decide how very good a thread sample is. Firstly, the threading pattern have to be ACME-threaded. If this is not attainable, the thread should be made with straight sides. Then, the linear pitch of the “worm” need to be the identical as the circular pitch of the corresponding worm wheel. In easy conditions, this means the pitch of the “worm” is the exact same as the circular pitch of the worm wheel. A swift-alter gearbox is usually utilised with this variety of worm equipment. Alternatively, lead-screw adjust gears are utilised alternatively of a swift-modify equipment box. The pitch of a worm equipment equals the helix angle of a screw.
A worm gear’s axial pitch must match the round pitch of a gear with a increased axial pitch. The circular pitch is the distance amongst the details of enamel on the worm, although the axial pitch is the length among the worm’s enamel. An additional issue is the worm’s lead angle. The angle among the pitch cylinder and worm shaft is called its direct angle, and the greater the direct angle, the increased the efficiency of a equipment.
Worm equipment tooth geometry may differ dependent on the producer and supposed use. In early worms, threading resembled the thread on a screw, and was effortlessly chased utilizing a lathe. Later on, grinding enhanced worm thread finishes and minimized distortions from hardening. As a outcome, right now, most worm gears have a thread sample corresponding to their dimension. When selecting a worm gear, make confident to check for the quantity of threads just before purchasing it.
A worm gear’s threading is crucial in its procedure. Worm enamel are normally cylindrical, and are arranged in a pattern equivalent to screw or nut threads. Worm tooth are usually formed on an axis of perpendicular compared to their parallel counterparts. Since of this, they have better torque than their spur equipment counterparts. Furthermore, the gearing has a minimal output velocity and substantial torque.

Quantity of threads

Diverse types of worm gears use diverse figures of threads on their planetary gears. A single threaded worm equipment ought to not be utilised with a double-threaded worm. A solitary-threaded worm gear need to be utilized with a one-threaded worm. Solitary-threaded worms are more powerful for pace reduction than double-threaded types.
The quantity of threads on a worm’s shaft is a ratio that compares the pitch diameter and number of teeth. In general, worms have 1,2,4 threads, but some have 3, 5, or six. Counting thread starts can assist you figure out the quantity of threads on a worm. A one-threaded worm has less threads than a multiple-threaded worm, but a multi-threaded worm will have more threads than a mono-threaded planetary equipment.
To evaluate the variety of threads on a worm shaft, a tiny fixture with two floor faces is utilised. The worm must be removed from its housing so that the finished thread area can be inspected. Soon after pinpointing the variety of threads, easy measurements of the worm’s exterior diameter and thread depth are taken. When the worm has been accounted for, a cast of the tooth place is produced using epoxy material. The casting is moulded among the two tooth flanks. The V-block fixture rests in opposition to the outdoors diameter of the worm.
The circular pitch of a worm and its axial pitch need to match the circular pitch of a more substantial equipment. The axial pitch of a worm is the length among the details of the teeth on a worm’s pitch diameter. The guide of a thread is the distance a thread travels in 1 revolution. The direct angle is the tangent to the helix of a thread on a cylinder.
The worm gear’s speed transmission ratio is primarily based on the amount of threads. A worm gear with a substantial ratio can be effortlessly lowered in a single step by making use of a set of worm gears. Nevertheless, a multi-thread worm will have far more than two threads. The worm gear is also far more successful than solitary-threaded gears. And a worm equipment with a substantial ratio will enable the motor to be utilised in a assortment of apps.
worm shaft


The lubrication of a worm equipment is especially demanding, due to its friction and high sliding contact power. The good news is, there are numerous options for lubricants, these kinds of as compounded oils. Compounded oils are mineral-dependent lubricants formulated with ten p.c or much more fatty acid, rust and oxidation inhibitors, and other additives. This blend final results in enhanced lubricity, diminished friction, and reduce sliding dress in.
When deciding on a lubricant for a worm shaft, make certain the product’s viscosity is right for the variety of gearing employed. A reduced viscosity will make the gearbox challenging to actuate and rotate. Worm gears also undergo a better sliding movement than rolling movement, so grease should be ready to migrate evenly during the gearbox. Repeated sliding motions will drive the grease absent from the speak to zone.
Another thing to consider is the backlash of the gears. Worm gears have high gear ratios, often 300:1. This is essential for electrical power purposes, but is at the very same time inefficient. Worm gears can make warmth in the course of the sliding motion, so a high-quality lubricant is vital. This kind of lubricant will decrease warmth and ensure best efficiency. The pursuing ideas will assist you decide on the right lubricant for your worm gear.
In reduced-pace apps, a grease lubricant may possibly be sufficient. In higher-pace programs, it’s best to use a artificial lubricant to avoid premature failure and tooth put on. In each cases, lubricant decision is dependent on the tangential and rotational pace. It is crucial to comply with manufacturer’s tips relating to the choice of lubricant. But don’t forget that lubricant selection is not an straightforward activity.

China Good quality High Efficiency Worm Gear Series Double Enveloping Worm Gear Worm Gearbox     wholesaler China Good quality High Efficiency Worm Gear Series Double Enveloping Worm Gear Worm Gearbox     wholesaler