Merchandise Description


Merchandise Description

Planar dobule enveloping ring surface worm reducer is a new sort of transmission system, which has massive bearing
ability, higher transmission efficiency, compact and sensible structure.This reducer can be broadly used in a assortment
of transmission equipment deceleration generate, this sort of as metallurgy, mining, hoisting, chemical sector, design
rubber ship and other industries and other mechanical equipment, suitable for the input shaft speed is not more than
1500 RPM, the worm shaft can be constructive, reverse course rotation.

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Firm Profile

Xihu (West Lake) Transmission Equipment Co., Ltd. situated HangZhou city, ZHangZhoug, as 1 expert manufacturer
and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox,AC motor and relative spare
parts, owns rich knowledge in this line for a lot of a long time.

We are 1 direct factory, with superior generation gear, the robust improvement group and producing
ability to provide high quality goods for buyers.

Our merchandise extensively served to various industries of Metallurgy, Chemical substances, textile,medication,wooden etc. Principal
marketplaces: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to question us any questions, excellent supply always for you for extended term company.


Q: Are you trading organization or producer?
A: We are factory.

Q: How long is your shipping time?
A: Normally it is 5-10 times if the goods are in stock. or it is fifteen-20 days if the goods are not in stock.

Q: Can we buy 1 laptop of every single merchandise for high quality tests?
A: Yes, we are happy to accept trial purchase for quality screening.

Q:How to select a gearbox which meets your necessity?
A:You can refer to our catalogue to pick the gearbox or we can support to decide on when you supply
the specialized details of essential output torque, output speed and motor parameter and so forth.

Q: What information shall we give prior to positioning a purchase get?
A:a) Sort of the gearbox, ratio, enter and output type, enter flange, mounting placement, and motor informationetc.
b) Housing coloration.
c) Acquire amount.
d) Other particular specifications.

Worm Shafts and Gearboxes

If you have a gearbox, you may possibly be questioning what the very best Worm Shaft is for your application. There are a number of factors to take into account, such as the Concave condition, Quantity of threads, and Lubrication. This post will explain every element and aid you choose the correct Worm Shaft for your gearbox. There are several options offered on the market place, so don’t hesitate to store all around. If you are new to the globe of gearboxes, study on to learn more about this popular sort of gearbox.
worm shaft

Concave shape

The geometry of a worm gear varies substantially dependent on its producer and its intended use. Early worms had a fundamental profile that resembled a screw thread and could be chased on a lathe. Later on, equipment with a straight sided g-angle had been produced to generate threads that had been parallel to the worm’s axis. Grinding was also created to increase the finish of worm threads and minimize distortions that arise with hardening.
To decide on a worm with the appropriate geometry, the diameter of the worm equipment must be in the very same unit as the worm’s shaft. As soon as the standard profile of the worm gear is determined, the worm equipment tooth can be specified. The calculation also entails an angle for the worm shaft to prevent it from overheating. The angle of the worm shaft must be as near to the vertical axis as attainable.
Double-enveloping worm gears, on the other hand, do not have a throat about the worm. They are helical gears with a straight worm shaft. Since the tooth of the worm are in get in touch with with each other, they create important friction. In contrast to double-enveloping worm gears, non-throated worm gears are much more compact and can take care of smaller hundreds. They are also simple to manufacture.
The worm gears of diverse producers offer you numerous benefits. For instance, worm gears are a single of the most efficient methods to improve torque, although lower-quality resources like bronze are difficult to lubricate. Worm gears also have a minimal failure fee because they enable for substantial leeway in the design and style approach. In spite of the variations in between the two standards, the general efficiency of a worm equipment system is the very same.
The cone-formed worm is one more type. This is a technological plan that combines a straight worm shaft with a concave arc. The concave arc is also a valuable utility design. Worms with this shape have a lot more than 3 contacts at the identical time, which signifies they can minimize a big diameter without extreme wear. It is also a fairly low-cost product.
worm shaft

Thread sample

A great worm gear demands a best thread pattern. There are a number of essential parameters that figure out how very good a thread sample is. First of all, the threading pattern must be ACME-threaded. If this is not feasible, the thread need to be manufactured with straight sides. Then, the linear pitch of the “worm” should be the exact same as the round pitch of the corresponding worm wheel. In simple terms, this signifies the pitch of the “worm” is the same as the round pitch of the worm wheel. A rapid-alter gearbox is generally utilized with this type of worm equipment. Alternatively, guide-screw alter gears are utilised alternatively of a fast-modify equipment box. The pitch of a worm equipment equals the helix angle of a screw.
A worm gear’s axial pitch have to match the circular pitch of a equipment with a larger axial pitch. The round pitch is the distance among the details of teeth on the worm, even though the axial pitch is the distance in between the worm’s enamel. An additional aspect is the worm’s guide angle. The angle among the pitch cylinder and worm shaft is named its lead angle, and the higher the lead angle, the greater the efficiency of a equipment.
Worm gear tooth geometry may differ based on the producer and intended use. In early worms, threading resembled the thread on a screw, and was simply chased employing a lathe. Later on, grinding improved worm thread finishes and minimized distortions from hardening. As a result, nowadays, most worm gears have a thread pattern corresponding to their dimension. When selecting a worm gear, make positive to check out for the variety of threads before getting it.
A worm gear’s threading is vital in its operation. Worm enamel are normally cylindrical, and are organized in a pattern comparable to screw or nut threads. Worm tooth are usually formed on an axis of perpendicular in contrast to their parallel counterparts. Due to the fact of this, they have higher torque than their spur equipment counterparts. Additionally, the gearing has a minimal output velocity and high torque.

Quantity of threads

Distinct sorts of worm gears use various quantities of threads on their planetary gears. A one threaded worm gear must not be employed with a double-threaded worm. A single-threaded worm gear should be utilised with a solitary-threaded worm. One-threaded worms are more successful for speed reduction than double-threaded types.
The number of threads on a worm’s shaft is a ratio that compares the pitch diameter and number of teeth. In standard, worms have 1,2,4 threads, but some have a few, 5, or 6. Counting thread commences can support you figure out the amount of threads on a worm. A solitary-threaded worm has fewer threads than a numerous-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 modest fixture with two floor faces is utilised. The worm must be taken out from its housing so that the completed thread location can be inspected. After figuring out the quantity of threads, simple measurements of the worm’s outdoors diameter and thread depth are taken. After the worm has been accounted for, a solid of the tooth place is made employing epoxy substance. The casting is moulded amongst the two tooth flanks. The V-block fixture rests towards the outdoors diameter of the worm.
The circular pitch of a worm and its axial pitch should match the round pitch of a larger gear. The axial pitch of a worm is the length in between the points of the tooth on a worm’s pitch diameter. The guide of a thread is the length a thread travels in 1 revolution. The guide angle is the tangent to the helix of a thread on a cylinder.
The worm gear’s velocity transmission ratio is dependent on the quantity of threads. A worm gear with a large ratio can be very easily reduced in one action by using a set of worm gears. Even so, a multi-thread worm will have a lot more than two threads. The worm gear is also far more successful than solitary-threaded gears. And a worm equipment with a high ratio will permit the motor to be utilised in a range of programs.
worm shaft


The lubrication of a worm gear is specifically tough, thanks to its friction and high sliding make contact with drive. Thankfully, there are numerous options for lubricants, this sort of as compounded oils. Compounded oils are mineral-primarily based lubricants formulated with 10 percent or a lot more fatty acid, rust and oxidation inhibitors, and other additives. This combination outcomes in enhanced lubricity, diminished friction, and reduce sliding wear.
When choosing a lubricant for a worm shaft, make confident the product’s viscosity is right for the variety of gearing utilised. A low viscosity will make the gearbox hard to actuate and rotate. Worm gears also go through a increased sliding motion than rolling movement, so grease must be ready to migrate evenly during the gearbox. Recurring sliding motions will drive the grease absent from the make contact with zone.
Yet another consideration is the backlash of the gears. Worm gears have substantial equipment ratios, at times three hundred:1. This is essential for energy applications, but is at the very same time inefficient. Worm gears can create warmth in the course of the sliding motion, so a substantial-high quality lubricant is important. This variety of lubricant will minimize heat and make certain best performance. The following guidelines will help you select the right lubricant for your worm gear.
In low-speed apps, a grease lubricant might be sufficient. In larger-pace applications, it’s very best to use a synthetic lubricant to stop premature failure and tooth wear. In the two circumstances, lubricant choice relies upon on the tangential and rotational speed. It is important to comply with manufacturer’s recommendations concerning the option of lubricant. But don’t forget that lubricant option is not an effortless activity.

China best Double Enveloping Transmission Gear Industry Worm Gearbox     with Good qualityChina best Double Enveloping Transmission Gear Industry Worm Gearbox     with Good quality