Product Description

Couplings:

1. The couplings offer a range of hub and element selection to meet different demands.

2. They can absorb shock and cater for incidental misalignment and damp out small amplitude vibrations.

3. NBR, Urethane, Hytrel elements.

4. Customized requirement is available.

 

Main Products:

1. Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate; 

2. Forging, Casting, Stampling Part; 

3. V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;  

4. Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.; 

5. Shaft Coupling: including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling, 
    Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;  

6. Shaft Collars: including Setscrew Type, Single Split and Double Splits; 

7. Gear & Rack: Spur gear/rack, bevel gear, helical gear/rack.

8. Other customized Machining Parts according to drawings (OEM) Forging, Casting, Stamping Parts.

PACKING

Packaging
Packing	We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.

OUR COMPANY
 

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

OUR FACTORY

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

 

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How does Misalignment Affect the Performance of Industrial Couplings, and How Can it be Corrected?

Misalignment is one of the most common issues affecting the performance of industrial couplings. When the connected shafts are not properly aligned, it can lead to various problems that can impact the efficiency, reliability, and lifespan of the coupling and the entire mechanical system. Here’s how misalignment affects coupling performance and the methods to correct it:

Effects of Misalignment:

• Increased Stress: Misalignment creates additional stresses on the coupling and connected machinery. This can result in premature wear, fatigue, and potential failure of coupling components.
• Vibration and Noise: Misalignment generates vibrations and noise during operation. Excessive vibrations can damage other system components, reduce precision, and lead to discomfort for operators and personnel.
• Reduced Power Transmission: Misalignment reduces the effective torque transmission capacity of the coupling. As a result, the system may not achieve the desired level of performance or may experience frequent slip-offs.
• Temperature Rise: Misalignment causes additional friction and heat generation in the coupling. This can lead to an increase in operating temperature, potentially compromising the lubrication and reducing the coupling’s life.
• Uneven Wear: Misalignment causes uneven loading on coupling elements, resulting in uneven wear and potentially leading to the failure of certain parts.

Methods to Correct Misalignment:

• Shaft Realignment: The most effective method to correct misalignment is to perform a shaft realignment. This involves adjusting the position of one or both shafts to ensure they are co-linear and concentric. Precision alignment tools such as laser alignment systems or dial indicators are commonly used for this purpose.
• Flexible Couplings: For applications where misalignment is inevitable due to factors such as thermal expansion or dynamic loads, flexible couplings can be used. Flexible couplings, like diaphragm couplings or elastomeric couplings, can accommodate small misalignments and reduce the stress on the system.
• Spacer Couplings: Spacer couplings can be used to create space between the shaft ends, allowing for adjustments and realignments without disassembling the entire coupling assembly.
• Torque Limiting Couplings: Torque limiting couplings can protect the machinery from excessive torque during misalignment or shock loads. They disengage temporarily when the torque exceeds a predefined limit, preventing damage to the coupling and other components.
• Periodic Maintenance: Regular maintenance and inspections should be performed to monitor the coupling’s alignment and address any changes or misalignments that may occur during operation.

Correcting misalignment is crucial for ensuring optimal performance and longevity of industrial couplings. Proper alignment minimizes stress, reduces wear, and enhances power transmission efficiency. Whether through precision alignment methods or using flexible couplings, addressing misalignment proactively can prevent costly repairs, downtime, and potential safety hazards in industrial systems.

Are there any Industry Standards or Regulations Governing the Use of Industrial Couplings?

Yes, there are industry standards and regulations that govern the use of industrial couplings to ensure their safety, performance, and reliability. These standards are developed and maintained by recognized organizations and governing bodies to establish best practices and requirements for the design, manufacturing, installation, and operation of couplings. Some of the prominent standards and regulations include:

• American National Standards Institute (ANSI): ANSI provides standards for couplings in various industries, including ANSI B11.19 for safety requirements in mechanical power presses and ANSI B15.1 for couplings used in general machinery.
• International Organization for Standardization (ISO): ISO publishes standards related to couplings, such as ISO 14691 for torsionally flexible couplings, ISO 10001 for industrial couplings used in general applications, and ISO 28927 for couplings used in hand-held power tools.
• American Petroleum Institute (API): API issues standards for couplings used in the oil and gas industry, such as API 610 for centrifugal pumps and API 671 for special purpose couplings.
• European Committee for Standardization (CEN): CEN develops European standards, including EN 14492-2 for safety requirements in cranes – power driven winches – part 2: load limiting devices and EN 15592 for torsionally flexible couplings.
• Occupational Safety and Health Administration (OSHA): In the United States, OSHA sets guidelines for safe working conditions, and some of its regulations apply to couplings used in industrial machinery to protect workers from potential hazards.
• Machine Directive (EU): The Machine Directive is a European Union regulation that establishes safety requirements for machinery, including couplings used in industrial equipment sold within the EU member states.

These standards and regulations cover various aspects of industrial couplings, including their materials, design, load capacity, torque ratings, and safety features. Compliance with these standards ensures that couplings are designed and manufactured to meet specific performance criteria and are safe for use in industrial applications.

Manufacturers and users of industrial couplings should be aware of the relevant standards and regulations applicable to their specific industries and regions. Adhering to these standards not only ensures regulatory compliance but also helps in maintaining a high level of quality and reliability in industrial processes, leading to increased safety and efficiency.

Types of Industrial Couplings Used in Engineering Applications

Industrial couplings are used in various engineering applications to connect rotating shafts and transmit torque between them. Each type of industrial coupling offers unique features and advantages, making them suitable for specific applications. Here are the different types of industrial couplings commonly used in engineering applications:

• 1. Diaphragm Couplings:

Diaphragm couplings use a flexible diaphragm made of metal to transmit torque between the shafts. They are known for their ability to accommodate misalignments, including axial, angular, and parallel misalignments. Diaphragm couplings are used in applications where precise alignment between shafts is challenging or when there are potential misalignment variations during operation. They are commonly found in pumps, compressors, turbines, and high-speed machinery.

• 2. Gear Couplings:

Gear couplings transmit torque through gear teeth that mesh together. They are designed for high torque capacity and are known for their durability and rigid construction. Gear couplings can handle high torque and are used in heavy-duty applications, such as steel mills, mining equipment, and large pumps.

• 3. Grid Couplings:

Grid couplings use a grid of spring-like elements made of metal to transmit torque. The grid flexes to accommodate misalignments and shock loads, making them suitable for applications with varying loads or where shock absorption is required. Grid couplings are commonly used in pumps, conveyors, and compressors.

• 4. Jaw Couplings:

Jaw couplings use elastomeric elements to connect the shafts. They are known for their simplicity, ease of installation, and cost-effectiveness. Jaw couplings are suitable for small to medium-sized machinery, including pumps, fans, and small motors.

• 5. Disc Couplings:

Disc couplings use thin metal discs to transmit torque between the shafts. They can handle misalignments and are often used in precision applications that require low backlash and high torsional stiffness. Disc couplings find applications in high-precision systems, such as machine tools and robotics.

• 6. Oldham Couplings:

Oldham couplings consist of three parts: two hubs and a middle block. The middle block allows axial and angular misalignment while maintaining constant velocity between the shafts. They are used in applications where low torque transmission and misalignment compensation are required.

• 7. Universal Joint Couplings:

Universal joint couplings are used to transmit torque between shafts at different angles. They are commonly used in automotive applications, such as drive shafts, as well as in industrial machinery with offset shafts.

Each type of industrial coupling has its own advantages and limitations, and the selection of the appropriate coupling depends on factors like torque requirements, misalignment conditions, operating environment, and the specific demands of the application. Engineers carefully consider these factors to choose the most suitable coupling for the particular engineering application, ensuring efficient and reliable power transmission while protecting the connected machinery from excessive stress and wear.

editor by CX 2024-04-30