China Hot selling Wgt Type Flexible Drum Gear Coupling coupling definition

Product Description

                                                    Drum Gear Coupling with Intermediate Sleeve (WGT)
Gear coupling is composed of an inner gear ring and an outer gear with the same number of teeth,and a large clearance between the inner and outer teeth,so that there would be a larger displacement the coupling drive shaft be connected and be able to withstand greater load.
WGT type intermediate sleeve drumgear coupling belongs to flexible coupling, especially suitable for low speed and heavy load condition, such as metallurgy, mining, lifting, transportation and other industries are also applicable to the drive shaft oil and chemical industry, general machinery and other kinds of machinery.
The characteristics of the drum shaped gear coupling (compared with the straight toothed coupling):
1.Strong carrying capacity
2.Large angular displacement compensation
3.The tooth end of the outer tooth sleeve is in a CZPT shape, and the inner and outer teeth are convenient to install and remove.
4.High transmission efficiency

NO. Tn
        I              II
   d1    d2        L
    Y     J1
D D1 D2 D3 D4 B B1 F H
C C    kg
 I     II
WGT1 800 0.008    0.0063 12-42 32-112 122 115 98 88 60 58 50 30 75 3 3 12 5.66  4.86
WGT2 1400 0.571    0.09 22-56 52-112 150 145 118 108 77 68 52 30 80 3 3 16 9.78  7.48
WGT3 2800 0.047    0.033 22-63 52-142 170 165 140 125 90 80 54 30 80 3 3 16 16.7  12.2
WGT4 5000 0.098    0.073 30-80 82172 200 195 160 145 112 90 58 30 100 3 3 17 25.6  19.6
WGT5 8000 0.175    0.126 30-90 82-172 225 215 180 168 128 100 63 30 100 3 3 19 35      26.1
WGT6 11200 0.295    0.213 32-100 82-212 245 230 200 185 145 112 67 30 100 5 5 20 51.6  38.0
WGT7 16000 0.53      0.35 32-110 82-212 272 265 230 210 160 122 74 30 120 5 5 20 68.6  45.0
WGT8 22400 0.71      0.46 55-125 107-212 290 272 245 225 176 136 81 30 120 5 5 20 79.5   55.8
WGT9 28000 1.05      0.77 60-140 107-252 315 305 265 245 190 140 88 30 155 5 5 28 106.5   80.5
WGT10 45000 1.87      1.54 75-160 132-302 355 340 300 280 225 165 98 30 155 5 5 28 158.8   121.8
WGT11 63000 3.71      2.82 85-180 167-302 412 385 345 325 256 180 112 40 175 8 8 32 216.6   169.6
WGT12 90000 6.48      4.84 120-200 167-352 440 435 375 360 288 210 125 40 205 8 8 32 305.3   245.3
WGT13 125000 10.58    7.9 140-220 202-352 490 480 425 400 320 235 136 50 205 8 8 32 394.5   313.5
WGT14 180000 17.72    13.78 160-260 242-410 545 540 462 440 362 265 158 50 240 10 10 10 529.5   430.5
WGT15 250000 25.25 160-280 242-470 580 488 385 280 50 240 10 10 684.5   
WGT16 315000 43.7 180-300 242-470 650 560 440 300 50 240 12 12 948.2
WGT17 400000 57.37 200-320 282-470 690 600 460 325 50 280 12 12 1059
WGT18 500000 59.37 220-360 282-550 750 650 510 350 60 280 12 12 1399
WGT19 630000 110.2 240-380 330-550 775 690 535 372 60 350 12 12 1544
WGT20 800000 166.1 260-400 330-650 825 730 580 392.5 60 350 14 14 2099
WGT21 900000 242.7 280-440 380-650 925 825 620 405 60 350 14 14 2482
WGT22 1000000 299.2 320-460 380-650 950 850 665 410 60 400 14 14 2797
WGT23 1120000 388.8 360-500 450-650 1030 900 710 440 60 400 14 14 3183
WGT24 1400000 482 380-520 450-800 1060 925 730 450 70 400 14 16 3801

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Company Profile

HangZhou CZPT Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 


Our Services

1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.


Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all customers with customized PDF or AI format artwork.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances. 

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order? 
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T. 

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China


Standard Or Nonstandard: Standard
Shaft Hole: as Your Requirement
Torque: as Your Requirement
Bore Diameter: as Your Requirement
Speed: as Your Requirement
Structure: Rigid


Customized Request


What Is a Coupling?

A coupling is a device used to connect two shafts. It transmits power between them and allows for some misalignment or end movement. There are several types of couplings. The most common ones are gear couplings and planetary couplings. However, there are many others as well.

Transfer of energy

Energy coupling is a process by which two biological reactions are linked by sharing energy. The energy released during one reaction can be used to drive the second. It is a very useful mechanism that synchronizes two biological systems. All cells have two types of reactions, exergonic and endergonic, and they are connected through energy coupling.
This process is important for a number of reasons. The first is that it allows the exchange of electrons and their energy. In a single molecule, this energy transfer involves the exchange of two electrons of different energy and spin. This exchange occurs because of the overlap interaction of two MOs.
Secondly, it is possible to achieve quadratic coupling. This is a phenomenon that occurs in circular membrane resonators when the system is statically deflected. This phenomenon has been gaining a great deal of interest as a mechanism for stronger coupling. If this mechanism is employed in a physical system, energy can be transferred on a nanometer scale.
The magnetic field is another important factor that affects the exchange of energy between semiconductor QWs. A strong magnetic field controls the strength of the coupling and the energy order of the exciton. The magnetic field can also influence the direction of polariton-mediated energy transfer. This mechanism is very promising for controlling the routing of excitation in a semiconductor.


Couplings play a variety of functions, including transferring power, compensating for misalignment, and absorbing shock. These functions depend on the type of shaft being coupled. There are four basic types: angular, parallel, and symmetrical. In many cases, coupling is necessary to accommodate misalignment.
Couplings are mechanical devices that join two rotating pieces of equipment. They are used to transfer power and allow for a small degree of end-to-end misalignment. This allows them to be used in many different applications, such as the transmission from the gearbox to the differential in an automobile. In addition, couplings can be used to transfer power to spindles.


There are two main types of couplings: rigid and flexible. Rigid couplings are designed to prevent relative motion between the two shafts and are suitable for applications where precise alignment is required. However, high stresses in the case of significant misalignment can cause early failure of the coupling. Flexible couplings, on the other hand, allow for misalignment and allow for torque transmission.
A software application may exhibit different types of coupling. The first type involves the use of data. This means that one module may use data from another module for its operation. A good example of data coupling is the inheritance of an object. In a software application, one module can use another module’s data and parameters.
Another type of coupling is a rigid sleeve coupling. This type of coupling has a pipe with a bore that is finished to a specified tolerance. The pipe contains two threaded holes for transmitting torque. The sleeve is secured by a gib head key. This type of coupling may be used in applications where a couple of shafts are close together.
Other types of coupling include common and external. Common coupling occurs when two modules share global data and communication protocols. This type of coupling can lead to uncontrollable error propagation and unforeseen side effects when changes are made to the system. External coupling, on the other hand, involves two modules sharing an external device interface or communication protocol. Both types of coupling involve a shared code structure and depend on the external modules or hardware.
Mechanical couplings are essential in power transmission. They connect rotating shafts and can either be rigid or flexible, depending on the accuracy required. These couplings are used in pumps, compressors, motors, and generators to transmit power and torque. In addition to transferring power, couplings can also prevent torque overload.


Different coupling styles are ideal for different applications, and they have different characteristics that influence the coupling’s reliability during operation. These characteristics include stiffness, misalignment capability, ease of installation and maintenance, inherent balance, and speed capability. Selecting the right coupling style for a particular application is essential to minimize performance problems and maximize utility.
It is important to know the requirements for the coupling you choose before you start shopping. A proper selection process takes into account several design criteria, including torque and rpm, acoustic signals, and environmental factors. Once you’ve identified these parameters, you can select the best coupling for the job.
A gear coupling provides a mechanical connection between two rotating shafts. These couplings use gear mesh to transmit torque and power between two shafts. They’re typically used on large industrial machines, but they can also be used in smaller motion control systems. In smaller systems, a zero-backlash coupling design is ideal.
Another type of coupling is the flange coupling. These are easy to manufacture. Their design is similar to a sleeve coupling. But unlike a sleeve coupling, a flange coupling features a keyway on one side and two threaded holes on the other. These couplings are used in medium-duty industrial applications.
Besides being useful for power transmission, couplings can also prevent machine vibration. If vibration occurs in a machine, it can cause it to deviate from its predetermined position, or damage the motor. Couplings, however, help prevent this by absorbing the vibration and shock and preventing damage to expensive parts.
Couplings are heavily used in the industrial machinery and electrical industries. They provide the necessary rotation mechanism required by machinery and other equipment. Coupling suppliers can help customers find the right coupling for a specific application.

Criteria for selecting a coupling

When selecting a coupling for a specific application, there are a number of different factors to consider. These factors vary greatly, as do operating conditions, so selecting the best coupling for your system can be challenging. Some of these factors include horsepower, torque, and speed. You also need to consider the size of the shafts and the geometry of the equipment. Space restrictions and maintenance and installation requirements should also be taken into account. Other considerations can be specific to your system, such as the need for reversing.
First, determine what size coupling you need. The coupling’s size should be able to handle the torque required by the application. In addition, determine the interface connection, such as straight or tapered keyed shafts. Some couplings also feature integral flange connections.
During the specification process, be sure to specify which materials the coupling will be made of. This is important because the material will dictate most of its performance characteristics. Most couplings are made of stainless steel or aluminum, but you can also find ones made of Delrin, titanium, or other engineering-grade materials.
One of the most important factors to consider when selecting a coupling is its torque capability. If the torque rating is not adequate, the coupling can be damaged or break easily. Torque is a major factor in coupling selection, but it is often underestimated. In order to ensure maximum coupling performance, you should also take into consideration the size of the shafts and hubs.
In some cases, a coupling will need lubrication throughout its lifecycle. It may need to be lubricated every six months or even once a year. But there are couplings available that require no lubrication at all. An RBI flexible coupling by CZPT is one such example. Using a coupling of this kind can immediately cut down your total cost of ownership.
China Hot selling Wgt Type Flexible Drum Gear Coupling   coupling definitionChina Hot selling Wgt Type Flexible Drum Gear Coupling   coupling definition
editor by CX 2023-05-30