Product Description
Densen customized Motor Single Disc Flexible Shaft Coupling
| Product Name | Motor Single Disc Flexible Shaft Coupling |
| DN mm | 12~160mm |
| Rated Torque | 25~25000 N·m |
| Allowable speed | 15300~1500 N·m |
| Material | 35CrMo/ZG270/45# steel/Aluminum alloy |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
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Company Information
Equipment
Typical case of diaphragm coupling applied to variable frequency speed control equipment
JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant
According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.
It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.
Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.
Other Application Case
Spare parts
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Exploring the Use of Elastomeric Materials in Flexible Shaft Couplings
Elastomeric materials play a crucial role in the design and function of flexible shaft couplings. These materials, commonly known as elastomers, are rubber-like substances that exhibit high elasticity and flexibility. They are widely used in various types of flexible couplings due to their unique properties and benefits:
1. Damping and Vibration Absorption:
Elastomeric materials have excellent damping characteristics, meaning they can absorb and dissipate vibrations and shocks. This property is particularly useful in applications where vibration control is essential to protect sensitive equipment and improve overall system performance.
2. Misalignment Compensation:
Flexible shaft couplings with elastomeric elements can accommodate different types of misalignments, including angular, parallel, and radial misalignments. The elasticity of the material allows for limited movement between the shafts while still transmitting torque efficiently.
3. Torsional Flexibility:
Elastomers offer torsional flexibility, which allows them to twist and deform under torque loads. This feature helps to minimize torsional stresses and torsional backlash, making them suitable for applications requiring precise motion control.
4. Shock and Impact Resistance:
Due to their high resilience, elastomers can withstand sudden shocks and impacts without permanent deformation. This property makes them ideal for use in machinery subjected to varying loads or rapid changes in torque.
5. No Lubrication Requirement:
Elastomeric couplings are often maintenance-free because the elastomer material does not require additional lubrication. This reduces maintenance costs and simplifies the overall system upkeep.
6. Electric Isolation:
In certain applications, elastomeric materials can provide electrical isolation between the driving and driven components. This can help prevent the transmission of electrical currents or static charges through the coupling.
7. Corrosion Resistance:
Many elastomers used in couplings are resistant to corrosion, making them suitable for use in challenging environments where exposure to chemicals or moisture is a concern.
8. Easy Installation:
Elastomeric couplings are often designed for ease of installation and replacement. Their flexibility allows for simple and quick assembly onto the shafts without the need for special tools or complex procedures.
Given these advantages, elastomeric materials are popular choices for various flexible shaft couplings, including jaw couplings, tire couplings, and spider couplings. However, it is essential to select the right elastomer material based on the specific application requirements, such as temperature range, chemical compatibility, and torque capacity.
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Comparing Shaft Couplings with Other Types of Couplings in Performance
Shaft couplings are essential components in mechanical power transmission systems, and their performance characteristics vary depending on the coupling type. Let’s compare shaft couplings with other common types of couplings:
1. Shaft Couplings:
Shaft couplings come in various designs, including flexible and rigid couplings. They are widely used in a broad range of applications due to their ability to transmit torque and accommodate misalignments between rotating shafts. Flexible shaft couplings, with elastomeric or metallic elements, offer good misalignment compensation and damping characteristics. Rigid couplings, on the other hand, provide precise torque transmission and are ideal for applications where shafts are well-aligned.
2. Gear Couplings:
Gear couplings are robust and designed for heavy-duty applications. They consist of two external gear hubs with internal gear teeth that mesh together. Gear couplings can handle high torque, high-speed, and angular misalignment. They are often used in demanding industries such as steel, mining, and paper manufacturing.
3. Grid Couplings:
Grid couplings feature a flexible grid element between the two halves of the coupling. They provide excellent shock absorption and misalignment compensation. Grid couplings are commonly used in pumps, compressors, and other industrial machinery.
4. Disc Couplings:
Disc couplings utilize flexible metallic discs to transmit torque and compensate for misalignment. They offer high torsional stiffness, making them suitable for applications requiring precise motion control, such as robotics and CNC machines.
5. Jaw Couplings:
Jaw couplings consist of two hubs with elastomeric spider inserts. They are easy to install, have good misalignment capabilities, and offer electrical isolation between shafts. Jaw couplings are widely used in light to medium-duty applications.
6. Oldham Couplings:
Oldham couplings have three discs—two outer discs with slots and a central disc with a tongue that fits into the slots. They provide excellent angular misalignment compensation while maintaining constant velocity between shafts. Oldham couplings are commonly used in printing machines and conveyors.
7. Beam Couplings:
Beam couplings are made from a single piece of flexible material with spiral cuts. They offer good misalignment compensation and torsional flexibility, making them suitable for precision equipment like encoders and servo motors.
The choice of coupling depends on the specific requirements of the application, including torque, speed, misalignment compensation, environmental conditions, and space limitations. Each coupling type has its strengths and limitations, and selecting the right coupling is crucial to ensure optimal performance and reliability in the mechanical system.
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Best Practices for Installing a Shaft Coupling for Optimal Performance
Proper installation of a shaft coupling is crucial for ensuring optimal performance and preventing premature wear or failure. Follow these best practices to install a shaft coupling correctly:
1. Shaft Alignment:
Ensure that both the driving and driven shafts are properly aligned before installing the coupling. Misalignment can lead to increased stress on the coupling and other connected components, reducing efficiency and causing premature wear. Use alignment tools, such as dial indicators or laser alignment systems, to achieve accurate shaft alignment.
2. Cleanliness:
Before installation, clean the shaft ends and the coupling bore thoroughly. Remove any dirt, debris, or residue that could interfere with the coupling’s fit or cause misalignment.
3. Lubrication:
Apply the recommended lubricant to the coupling’s contact surfaces, such as the bore and shaft ends. Proper lubrication ensures smooth installation and reduces friction during operation.
4. Correct Fit:
Ensure that the coupling is the correct size and type for the application. Use couplings with the appropriate torque and speed ratings to match the equipment’s requirements.
5. Fastening:
Use the recommended fastening methods, such as set screws or keyways, to securely attach the coupling to the shafts. Make sure the fasteners are tightened to the manufacturer’s specifications to prevent loosening during operation.
6. Spacer or Adapter:
If required, use a spacer or adapter to properly position the coupling on the shafts and maintain the desired distance between the driving and driven components.
7. Avoid Shaft Damage:
Be careful during installation to avoid damaging the shaft ends, especially when using set screws or other fastening methods. Shaft damage can lead to stress concentrations and eventual failure.
8. Check Runout:
After installation, check the coupling’s runout using a dial indicator to ensure that it rotates smoothly and without wobbling. Excessive runout can indicate misalignment or improper fit.
9. Periodic Inspection:
Regularly inspect the coupling and its components for signs of wear, misalignment, or damage. Perform routine maintenance as recommended by the manufacturer to prevent issues from worsening over time.
10. Follow Manufacturer’s Guidelines:
Always follow the manufacturer’s installation instructions and guidelines. Different types of couplings may have specific installation requirements that need to be adhered to for optimal performance and safety.
By following these best practices, you can ensure that your shaft coupling is installed correctly, maximizing its efficiency and reliability in your mechanical power transmission system.
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editor by CX 2023-09-05
China wholesaler Ds-26*26 Aluminum Alloy Single Disc Elastic Shaft Coupling for CNC Machine coupling and repulsion
Product Description
Product Description
features:
1.The main part is made of high strength aluminum alloy.
2.This series coupling is commonly used in servo motor and stepper motor.
3.The prooduct surface is anodic oxidation treated.
4.This disc is made of 304 stainless steel.
5.The disc is multilateral arc shape with 8 screw,in order to improve the precision and torque.
| Model | d1,d2 | D | L | LF | S | F | M |
| DS-26*26 | 4,5,6,6.35,7,8,9,9.525,10,11 | 26 | 26 | 11.65 | 2.7 | 3.9 | M3 |
| Standard Or Nonstandard: | Standard |
|---|---|
| Torque: | 1.5 |
| Bore Diameter: | 4-11 |
| Speed: | 10000r/M |
| Material: | Aluminum |
| Type: | Diaphragm Coupling |
| Samples: |
US$ 39.9/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Types of Couplings
A coupling is a device that connects two shafts together. It transmits power from one end to another and is used for joining rotating equipment. A coupling is flexible and can accommodate a certain amount of end movement and misalignment. This allows for more flexibility in applications. Various types of couplings are available, and each one serves a specific purpose.
Shaft couplings
There are many types of shaft couplings, and they are used in a wide range of applications. The type you need depends on the torque, speed, and horsepower you need, as well as the size of the shaft and its spatial limitations. You may also need to consider whether the coupling will accommodate misalignment.
Some shaft couplings are flexible, while others are rigid. Flexible couplings can accommodate up to two degrees of misalignment. They are available in different materials, including aluminum, stainless steel, and titanium. They can also be known by different names, depending on the industry. Some couplings can also be used in a single or multiple-shaft application.
The first type of shaft coupling is a rigid coupling, which consists of two parts that fit together tightly around the shafts. These couplings are designed to have more flexibility than sleeved models, and they can be used on fixed shafts as well. The flanged coupling, on the other hand, is designed for heavy loads and is made of two perpendicular flanges. The flanges are large enough to accommodate screws and are generally used with heavy-duty applications.
CZPT shaft couplings are a great choice if you’re looking for a shaft coupling that delivers high performance, durability, and low cost. These metal disc-style couplings provide low backlash and high torsional stiffness. Their high misalignment tolerance reduces reaction loads on connected components, which makes them ideal for high-speed precision applications. Available in single and double-disc models, they have torque ratings of up to 2,200 in-lbs. (250N) and are available in fourteen sizes.
When using shaft couplings, it is important to choose the right type for your application. Backlash can cause a shaft coupling to break or become unusable. In order to prevent this from happening, you should replace worn or loose parts, and ensure that the hub and key are evenly positioned with the shaft. If you’re using a shaft coupling in a motion-control system, it is important to keep the torque level consistent.
Flexible couplings
Flexible couplings are a type of coupling used to connect two shafts. They are made of rubber or plastic and allow for axial movement of the connected equipment. They do not require lubrication and are resistant to fatigue failure. Flexible couplings are useful for a number of applications. A common type of flexible coupling is the gear coupling, which has gear teeth inside its sleeve. Another type of flexible coupling is the metallic membrane coupling. A metallic membrane coupling is flexible due to flexing metallic discs.
One major disadvantage of flexible couplings is their inability to fit certain types of pipe. This is because most couplings need to be stretched to fit the pipe. This problem is often the result of a change in pipe technology. Traditionally, drain and soil pipe is made of ductile iron or cast iron. Today, most pipes are made of PVC, which has a larger outside diameter than either cast or ductile iron. Because of these changes in pipe technology, many coupling manufacturers have not updated their mold sizing.
Flexible couplings can be either metallic, elastomeric, or a combination of the three. While there are some common characteristics of each type, you should always consider the tradeoffs of each type before choosing one. Generally, the most important considerations when selecting a flexible coupling are torque, misalignment, and ease of assembly and maintenance.
Flexible couplings are used in a wide range of industries. They are useful for connecting two pipes to ensure torque transfer. Although the types available are different, these are the most adaptable couplings in the market. They can withstand movement, vibration, and bending without causing any damage to the piping.
Clutch couplings
A clutch coupling connects two rotating shafts by friction. The clutch engages power when the engine is running, disengaging power when the brake is applied. Clutch couplings are used in applications where the speed of a machine is variable or where continuous service is required. The clutch can transmit power, torque, and axial force.
Clutch couplings come in a variety of styles and configurations. Some couplings are flexible, while others are rigid. Flexible couplings are available in a variety of materials, including stainless steel and aluminum. Some couplings also have a non-backlash design, which helps compensate for misalignment.
Clutch couplings may be synchronous or asynchronous. Synchronous couplings engage and disengage automatically when the driven machine exceeds its output speed. These couplings are synchronized by a synchronizing mechanism. When the output speed is exceeded, the synchronizing mechanism initiates the engagement process. The synchronizing mechanism does not engage or disengage when the output speed drops.
High speed clutches are available from a variety of manufacturers. Some manufacturers offer OEM assembly, repair services, and third-party logistics. These manufacturers serve the automotive, chemical, food, and wood industries, as well as the oilfield and material handling industries. Custom clutches can be manufactured for specific applications and can be fitted with additional features, such as precision machined teeth or keyway slots and grooves.
Couplings are available in PCE, C/T, and metric bores. Typically, the size of the input and output shafts will determine which type of coupling is needed. In addition, clutches may be configured for intermediate or high speeds, depending on the required torque.
Clamped couplings
Clamped couplings are commonly used in a variety of industries. They can be used in medical equipment, dental equipment, military equipment, laboratory equipment, and in precision industrial controls. They are available in a wide variety of sizes and keyways. This type of coupling offers a number of advantages, including ease of installation and quick and easy replacement.
A clamp coupling connects two parts by compressing them together. The clamping elements can be formed in a variety of ways, but they all have a gap between their surfaces. This friction squeezes the two parts together, much like pulling two rubber gloves apart. This type of coupling is also useful for joining two hoses or piping units.
Clamped couplings are designed with a single or double clamping shaft. The clamping parts are mounted in two halves and are held together by eight socket head cap screws. They offer high torque capacity and require little installation space. Their high rigidity ensures good positioning accuracy, making them ideal for dynamic drives. In addition, they are wear-free and offer simple radial assembly.
The invention relates to a method and system for clamping pipes to a tank vessel. This invention also relates to a method of loading and unloading tank vessels. The method can be used in oil production platforms and other platforms. A single point mooring method is also used in oil production platforms.
Clamped couplings can also be flexible. They can join two shafts together while allowing a small amount of end movement and misalignment. These couplings may also be used in the assembly of motors and gearboxes.
CZPT’s coupling
CZPT couplings are designed to be flexible, allowing them to accommodate misaligned shafts and transmit torque in either direction. They are made with three discs, two hubs, and a center that are arranged with grooves and fins. These features allow for two degrees of freedom during assembly, and can accommodate misalignment of up to 5% of the shaft diameter.
CZPT couplings have many uses. For example, they can be used to join two parallel coaxial rotating shafts. Their ability to transmit torque at the same rotation mechanism and speed makes them ideal for applications where electrical currents may be a problem. Because the couplings are not made of metal, they are electrically isolated. Designers should test their couplings during the prototype stage to ensure they are working properly.
The CZPT coupling consists of two hubs with one slot on each. An intermediate disk is located between the two hubs. The discs are used to reduce or prevent wear on other machine parts. CZPT couplings are inexpensive and easy to replace. They also have electrical insulation, which makes them easy to repair or replace.
CZPT couplings are a popular choice for stepper motor-driven positioning stages. The plastic center disc offers electrical isolation and absorbs shocks from frequent start/stops. These couplings are available in through-hub and blind-bore styles and can be installed in many applications.
CZPT couplings also allow for small degrees of shaft misalignment. This allows them to function in systems where shaft access is limited. They are easily removed without tools.
editor by CX 2023-05-22
Best manufacturer made in China – replacement parts – PTO shaft manufacturer & factory Single land pride gearbox parts Diaphragm Coupling with ce certificate top quality low price
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JMIJ Type Diaphragm Coupling
The JMIJ Elastic Diaphragm Coupling compensates for the two axis misalignment functionality. When compared with the equipment coupling, the angular displacement can be doubled. The radial displacement has little reaction power and large overall flexibility, permitting a certain axial, radial and angular displacement. The JMIJ Double Essential Elastic Diaphragm Coupling are various from the common diaphragm couplings. They not only connect the intermediate shaft, extend the transmission distance, but also have two diaphragms to enhance the flexibility compensation volume, so they are also referred to as double diaphragm couplings.
JMIJ Double Crucial Elastic Diaphragm Coupling can correctly transfer speed, operation with no rotation variation, and can be utilised for precision mechanical transmission. The transmission performance is up to 99.86% in the transmission, specifically for medium and high speed higher electrical power transmission. It is simple in framework, light-weight in excess weight, small in volume and convenient in assembly and dismantling. Do not have to transfer the machine to set up, with out lubrication. It can transfer securely below the situation of shock and vibration. It has clear shock absorption, no sound, no wear and tear.
JMIJ Variety Diaphragm Coupling Major Dimension(JB/T9147-1999)
| Type | Nominal torque Tn |
Peak torque Tmax |
Max Pace np |
Bore diameter d |
Bore Size | D | t | Ltwo min |
Mass | Rotary inertia | |||
| Y variety | J,J1,Z,Z1 kind | L(recommend) | |||||||||||
| L | L | L1 | |||||||||||
| N·m | N·m | r·min-1 | mm | kg | kg·mtwo | ||||||||
| JMIJ1 | 25 | 80 | 6000 | fourteen | 32 | – | Jone27 Z1twenty |
35 | 90 | 8.8 | 100 | 1.8 | 0.0013 |
| sixteen,18,19 | forty two | 30 | |||||||||||
| twenty,22 | 52 | 38 | |||||||||||
| JMIJ2 | 63 | 180 | 5000 | eighteen,19 | 42 | thirty | 45 | 100 | 9.five | 2.4 | 0.002 | ||
| twenty,22,24 | 52 | 38 | |||||||||||
| twenty five | sixty two | forty four | |||||||||||
| JMIJ3 | 100 | 315 | 5000 | 20,22,24 | fifty two | – | 38 | 50 | 120 | 11 | 120 | 4.one | 0.0047 |
| twenty five,28 | sixty two | forty four | |||||||||||
| thirty | 82 | sixty | |||||||||||
| JMIJ4 | 160 | 500 | 4500 | 24 | fifty two | 38 | 55 | 130 | 12.5 | 5.four | 0.0069 | ||
| 25,28 | sixty two | 44 | |||||||||||
| 30,32,35 | 82 | 60 | |||||||||||
| JMIJ5 | 250 | 710 | 4000 | 28 | sixty two | forty four | 60 | 150 | 14 | 140 | 8.eight | 0.5711 | |
| thirty,32,35,38 | eighty two | 60 | |||||||||||
| 40 | 112 | 84 | |||||||||||
| JMIJ6 | 400 | 1120 | 3600 | 32,35,38 | 82 | eighty two | 60 | 65 | 170 | 15.five | 13.four | 0.5711 | |
| 40,42,45,48, 50 |
112 | 112 | 84 | ||||||||||
| JMIJ7 | 630 | 1800 | 3000 | 40,42,45,48, fifty,fifty five,fifty six |
112 | 112 | 84 | 70 | 210 | 19 | 150 | 22.3 | 0..seventy six |
| 60 | 142 | – | 107 | ||||||||||
| JMIJ8 | 1000 | 2500 | 2800 | 45,48,50,55, fifty six |
112 | 112 | 84 | 80 | 240 | 22.five | 180 | 36 | 0.1602 |
| 60,63,sixty five,70 | 142 | 107 | |||||||||||
| JMIJ9 | 1600 | 4000 | 2500 | 55,fifty six | 112 | 84 | 85 | 260 | 24 | 220 | 48 | 0.2509 | |
| sixty,63,70,71, 75 |
142 | 107 | |||||||||||
| 80 | 172 | 132 | |||||||||||
| JMIJ10 | 2500 | 6300 | 2000 | 63,sixty five,70,seventy one,75 | 142 | 142 | 107 | 90 | 280 | 17 | 250 | 85 | 0.5159 |
| 80,85,90,ninety five | 172 | – | 132 | ||||||||||
| JMIJ11 | 4000 | 9000 | 1800 | seventy five | 142 | 142 | 107 | 95 | 300 | 19.five | 290 | 112 | 0.8223 |
| 80,85,90,ninety five | 172 | 172 | 132 | ||||||||||
| a hundred,110 | 212 | – | 167 | ||||||||||
| JMIJ12 | 6300 | 12500 | 1600 | 90,95 | 172 | 132 | 120 | 340 | 23 | 300 | 152 | 1.4109 | |
| one hundred,a hundred and ten,one hundred twenty,one hundred twenty five | 212 | 167 | |||||||||||
Product Screen
♦Other Items Record
| Transmission Machinery Parts Title |
Product |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| Large Versatile Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
♦Our Company
Our company supplies distinct sorts of merchandise. High quality and reasonable cost. We stick to the principle of “quality very first, service very first, constant improvement and innovation to satisfy the customers” for the administration and “zero defect, zero problems” as the good quality goal. To EPT our support, we give the products with excellent good quality at the sensible price.
Welcome to customize items from our factory and please provide your design drawings or get in touch with us if you want other needs.
♦Our Services
1.Layout Providers
Our layout crew has expertise in cardan shaft relating to solution layout and improvement. If you have any demands for your new solution or want to make more improvements, we are below to offer you our assistance.
two.Item Services
raw materia EPT → Reducing → Forging →Rough machining →Shot blasting →Heat remedy →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping
3.Samples Treatment
We could build the sample in accordance to your requirement and amend the sample constantly to satisfy your need.
four.Study & Growth
We normally analysis the new needs of the industry and develop the new model when there is new autos in the market place.
5.High quality Handle
Each action should be EPT examination by Specialist Personnel according to the stHangZhourd of ISO9001 and TS16949.
♦FAQ
Q 1: Are you investing business or maker?
A: We are a expert maker specializing in manufacturing
various collection of couplings.
Q 2:Can you do OEM?
Sure, we can. We can do OEM & ODM for all the customers with custom-made artworks of PDF or AI structure.
Q 3:How lengthy is your delivery time?
Normally it is twenty-thirty times if the merchandise are not in inventory. It is in accordance to quantity.
Q 4: Do you supply samples ? Is it totally free or extra ?
Sure, we could supply the sample but not for cost-free.In fact we have a extremely good value theory, when you make the bulk purchase then price of sample will be deducted.
Q 5: How extended is your guarantee?
A: Our Warranty is twelve month under regular circumstance.
Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.
Q 7: Do you have inspection techniques for coupling ?
A:one hundred% self-inspection before packing.
Q 8: Can I have a check out to your manufacturing facility before the get?
A: Certain,welcome to check out our manufacturing facility.
Q 9: What is actually your payment?
A:1) T/T. 2) L/C
♦Get in touch with Us
Include: No.1 HangZhou Street,Chengnan park,HangZhou City,ZheJiang Province,China
