Product Description

Flender Couplings Highly Flexible Jaw Torsionally Rigid Hydrodynamic Railway Backlash-Free Shaft Gear Universal Joint Rigid Coupling N-Eupex Elastomer

FLEXIBLE COUPLINGS
Elastic CHINAMFG couplings are mateable and easy to assemble. The elastomer element compensates for shaft misalignment and absorbs impacts from the motor or work machines.

TORSIONALLY RIGID COUPLINGS
Our compact steel couplings provide highly precise transmission of high torques especially under harsh operating conditions and at extreme temperatures.

HYDRODYNAMIC COUPLINGS
Smooth start, overload protection, torsional vibration damping – FLUDEX fluid couplings enable torque-limited start-up and have very low slippage at nominal loads.

RAILWAY COUPLINGS
Whether between motor and gear unit or between gear unit and axle – CHINAMFG rail couplings have proven themselves thousands of times in virtually every kind of rail vehicle worldwide.

HIGHLY FLEXIBLE COUPLINGS
Highly elastic CHINAMFG couplings are well-suited to connect asymmetrically operating machines. They are used preferably in periodically stimulated systems.

BACKLASH-FREE COUPLINGS
Our couplings serve as a modular interface between motor and work machine to ensure reliable and backlash-free power transmission in servo- and positioning drives.

COUPLINGS
FLEXIBLE COUPLINGS
Elastic CHINAMFG couplings are mateable and easy to assemble. The elastomer element compensates for shaft misalignment and absorbs impacts from the motor or work machines.

N-EUPEX PIN COUPLING

• Damping shaft coupling that can be used universally to compensate for shaft misalignment
• Nominal torque range from TKN = 12 Nm up to 85,000 Nm with 23 sizes
• Temperature range from -50 °C to +100 °C

N-EUPEX DS PIN COUPLING

• Damping shaft coupling that can be used universally to compensate for shaft misalignments
• Nominal torque range from TKN = 60 Nm up to 21,200 Nm with 19 sizes
• Temperature range: from -50 °C to +100 °C

RUPEX PIN AND BUSH COUPLING

• Damping, fail-safe pin and bush coupling for medium and higher torques
• Nominal torque range from TKN = 200 Nm up to 1,690,000 Nm with 26 sizes
• Temperature range: from -50 °C to +100 °C

AIQ DETECT

• Continuous wear monitoring for N-EUPEX and RUPEX couplings including speed measurement and direction of rotation detection
• Can be used on N-EUPEX A, B, BIC and H, size 80 to 710 and RUPEX RWN and RWS, size 105 to 2000
• Temperature range: from -40 °C to 75 °C, IP 67, CE

N-BIPEX CLAW COUPLING

• Damping shaft coupling that can be used universally to compensate for shaft misalignments
• Nominal torque range from TKN = 12 Nm up to 4,650 Nm with 10 sizes
• Temperature range: from – 50 °C to +100 °C

COUPLINGS
TORSIONALLY RIGID COUPLINGS
Our compact steel couplings provide highly precise transmission of high torques especially under harsh operating conditions and at extreme temperatures.

ZAPEX ZW GEAR COUPLING

• Double-jointed gear coupling
• Nominal torque range from TKN = 1,300 Nm up to 7,200,000 Nm with 31 sizes
• Temperature range: from -20 °C to +80 °C

ZAPEX ZN GEAR COUPLING

• Double-jointed gear coupling
• Nominal torque range from TKN = 1,571 Nm up to 162,500 Nm with 12 sizes
• Temperature range: from -20 °C to +80 °C

N-ARPEX ALL-STEEL COUPLING

• Backlash-free, torsionally rigid all-steel multi-disk coupling
• Nominal torque range from TKN = 350 Nm to 2,000,000 Nm
• Temperature range: from -50 °C to +280 °C

ARPEX ART TURBO COUPLING

• Torsionally rigid, backlash-free, all-steel multiple-disk coupling for high-speed applications
• Nominal torque range from TKN = 1,000 Nm up to 588,500 Nm with 16 sizes
• Temperature range: from -40 °C to +280 °C

SOFT AND SAFE
Hydrodynamic fluid coupling
Nominal output from 1.2 kW up to 2,500 kW with 15 sizes
Temperature range: from -40 °C to +50 °C

Especially within tough applications, drive components and processing machines are subject to extreme loads. FLUDEX couplings limit start and maximum torque within the drive train and serve as starting aids for the motor and as overload protection in the case of an incident. They also provide damping and separation of rotary oscillation, thereby reducing restoring forces to a minimum.

Fluid couplings operate according to the Föttinger principle. The coupling parts on the input and output side are not mechanically connected and are therefore wear-free. The torque is transmitted by the fluid movement in the coupling, accelerated by the radial blades. Our film illustrates the Föttinger principle as well as the operating principle of the FLUDEX coupling.

COUPLINGS
HIGHLY FLEXIBLE COUPLINGS
Highly elastic CHINAMFG couplings are well-suited to connect asymmetrically operating machines. They are used preferably in periodically stimulated systems.

ELPEX FLEXIBLE RING COUPLING

• Highly flexible, backlash-free tire coupling
• Nominal torque range from TKN = 1,600 Nm up to 90,000 Nm with 9 sizes
• Temperature range: from -40 °C to +80 °C

ELPEX-B RUBBER TIRE COUPLING

• Highly flexible, backlash-free tire coupling
• Nominal torque range from TKN = 24 Nm up to 14,500 Nm with 15 sizes
• Temperature range: from -50 °C to +50 °C for natural rubber materials, from
  -15 °C to +70 °C for chloroprene rubber

ELPEX-S RUBBER DISK COUPLING

• Highly flexible rubber disk coupling to connect machines with high torque fluctuations
• Nominal torque range from TKN = 330 Nm up to 63,000 Nm with 17 sizes
• Temperature range: from -40 °C to +120 °C

COUPLINGS
BACKLASH FREE COUPLINGS
Our couplings serve as a modular interface between motor and work machine to ensure reliable and backlash-free power transmission in servo- and positioning drives.

BIPEX-S

• Vibration-damping and electrically insulating claw coupling
• Nominal torque range from TKN = 0.5 Nm to 655 Nm with 10 sizes
• Temperature range: from -50 °C to +120 °C

SIPEX

• Backlash-free and torsion-resistant metal bellow coupling
• Nominal torque range from TKN = 0.1 Nm to 5,000 Nm with 20 sizes
• Temperature range: from -30 °C to +120 °C

Why an elastic coupling of Bestseal?
An elastic coupling from Bestseal is the result of decades of product development and innovation. With this, we assure you of a high-quality component with the highest possible reliability. We see ourselves as the reliable partner of anyone who wants to set things in motion.

More than 2,000 employees work passionately every day to provide you, the customer, with the best conceivable products. DIN ISO certifications are the best proof of this. A transparent and honest way of working lies at the basis of every customer relationship with us.

Would you like to learn more about our elastic couplings or answer an important product question? 
Please contact our technical support department or sales department and let us inform you in detail about the various possibilities. 
We will be happy to think along with you based on your wishes and make you a custom offer without any obligation.

we specialized in the development and production of sealing systems   which were used in the Metallurgical,Electrical,Auto, Engineering machinery, Light industrial machinery and Electrical appliance manufacturing industries. BESEALS focus on customers’ needs,as a dependable partner and reliable supplier to help you resolve supply or technical problems ,and improve the performance of your equipments or your business. When you are facing emergency repairs situation or urgent orders,the highly responsive team of DLseals will offer you very short lead time. Beseals has a global sales network,and our seals have been sold to more than 100 countries or areas ,Such as America, England, Canada, Australia, Russian Federation ect .

FAQ

1. who are we? Are you trading company or manufacturer ?
We are manufacturer.We are based in HangZhou, China, start from 2571,sell to Domestic Market(33.00%),North America(15.00%),South America(10.00%),Western Europe(8.00%),Eastern Europe(6.00%),Souther Europe(6.00%),Southeast Asia(5.00%),Mid East(5.00%),Northern Europe(5.00%),Oceania(2.00%),South Asia(2.00%),Africa(00.00%),Eastern Asia(00.00%),Central America(00.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;

3.what can you buy from us?
PTFE Seals/Oil Seals/O Rings/Rubber Seals/Plastic Seals/Mechanical Seal/O-RING/ RING Seals.

4. why should you buy from us not from other suppliers?

Beseals is a professional manufacturer of seals .Our company specializes in the production of PU, PTFE, rubber and metal sealing components

5. How long is your delivery time?

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.

6.Do you provide samples ?

is it free or extra ? Yes, we could offer the sample for free charge but you need to pay the cost of freight.

 

7. what services can we provide?

Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,Express Delivery;

Accepted Payment Currency:USD,EUR,JPY,CAD,HKD,CNY;

Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Western Union,Escrow; Language
Spoken:English,Chinese,Japanese

For more information, please contact us. We look CHINAMFG to your arrival

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How to Properly Install a Rigid Shaft Coupling for Optimal Performance and Reliability

Proper installation of a rigid shaft coupling is essential to ensure optimal performance and reliability in mechanical systems. Here are the steps to follow for a successful installation:

1. Shaft Preparation: Ensure that the shafts to be connected are clean, smooth, and free from any burrs or contaminants that could affect the coupling’s performance.
2. Alignment: Align the two shafts accurately to minimize misalignment during installation. The alignment process is critical as any misalignment can lead to premature wear and reduced coupling efficiency.
3. Fitment: Choose the appropriate size of the rigid shaft coupling that matches the shaft diameters. Carefully slide the coupling onto one shaft at a time.
4. Fastening: For one-piece rigid couplings, ensure that the coupling is fitted snugly onto both shafts. For two-piece couplings, bolt the two halves together securely around the shafts.
5. Tightening: Use the recommended torque value and follow the manufacturer’s guidelines to tighten the coupling bolts properly. Over-tightening can cause distortion, while under-tightening can lead to slippage and reduced torque transmission.
6. Inspection: After installation, inspect the coupling to ensure that it is centered and aligned correctly. Check for any signs of misalignment or interference during rotation.
7. Lubrication: Some rigid couplings may require lubrication at the friction points to reduce wear and friction. Follow the manufacturer’s recommendations for lubrication intervals and types.
8. Load Testing: Perform load testing on the system to verify the coupling’s performance and check for any unusual vibrations or noises during operation.
9. Regular Maintenance: Include the rigid coupling in your regular maintenance schedule. Periodically check for signs of wear, misalignment, or damage, and replace the coupling if necessary.

By following these installation steps and best practices, you can ensure that the rigid shaft coupling operates optimally, providing reliable torque transmission and contributing to the overall efficiency and longevity of the mechanical system.

How do rigid shaft couplings contribute to the overall efficiency of rotating machinery?

Rigid shaft couplings play a crucial role in enhancing the overall efficiency and performance of rotating machinery by ensuring precise torque transmission, accurate shaft alignment, and reduced power losses. Their contribution to efficiency can be understood through the following points:

• Accurate Torque Transmission: Rigid couplings provide a direct and efficient connection between two shafts, allowing torque to be transmitted without significant losses. Unlike flexible couplings that can absorb some energy through flexibility, rigid couplings minimize energy dissipation, leading to efficient power transfer.
• Minimized Misalignment: Proper alignment of shafts is essential for efficient operation. Rigid couplings maintain accurate shaft alignment, reducing friction, wear, and energy losses that can occur due to misaligned shafts.
• Reduced Vibrations: By preventing misalignment and maintaining shaft stability, rigid couplings help minimize vibrations. Reduced vibrations lead to smoother operation, less wear and tear, and a decrease in energy losses associated with friction and oscillations.
• Consistent Performance: Rigid couplings ensure consistent and reliable torque transmission throughout the machinery’s operation. This stability helps maintain optimal operating conditions and prevents sudden disruptions or fluctuations in performance.
• Enhanced System Integrity: A stable and secure connection between shafts provided by rigid couplings reduces the risk of equipment failures and breakdowns. This enhances the machinery’s overall reliability and uptime, contributing to improved efficiency.
• Minimized Power Losses: With their rigid construction, these couplings have minimal flexibility, reducing power losses associated with elastic deformation. As a result, more of the input power is effectively utilized for productive work.
• Reduced Maintenance Needs: Rigid couplings, when properly installed and maintained, experience fewer wear-related issues compared to flexible couplings. This translates to reduced downtime and maintenance requirements, further enhancing machinery efficiency.

Efficient rotating machinery is critical for various industries, as it leads to cost savings, improved productivity, and extended equipment lifespan. Rigid shaft couplings contribute significantly to achieving these goals by ensuring reliable torque transmission, stable operation, and minimized energy losses.

It’s important to note that while rigid couplings offer advantages in terms of efficiency, they might not be suitable for applications requiring flexibility to accommodate misalignment or shock absorption. Engineers should carefully consider the specific requirements of their machinery and select couplings that best align with the desired balance of efficiency, flexibility, and other operational needs.

What are the Materials Commonly Used to Manufacture Rigid Shaft Couplings, and How Do They Impact Performance?

Rigid shaft couplings are typically made from a variety of materials, and the choice of material can significantly impact the performance of the coupling in specific applications. Some common materials used in manufacturing rigid shaft couplings include:

• Steel: Steel is one of the most commonly used materials for rigid shaft couplings. It offers excellent strength and durability, making it suitable for high-torque and heavy-duty applications. Steel couplings can withstand significant stresses and provide reliable torque transmission.
• Stainless Steel: Stainless steel couplings offer the same benefits as regular steel couplings but with the added advantage of corrosion resistance. They are commonly used in applications where the coupling may be exposed to harsh environments or moisture.
• Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is essential, such as in aerospace and automotive industries.
• Brass: Brass couplings are known for their excellent machinability and corrosion resistance. They are commonly used in applications where electrical conductivity is required.
• Cast Iron: Cast iron couplings are robust and offer good resistance to wear and tear. They are commonly used in industrial machinery and equipment.

The choice of material depends on various factors, including the application’s operating conditions, such as torque requirements, temperature, and environmental conditions. For example, in high-torque applications, steel or stainless steel couplings are often preferred due to their high strength. On the other hand, aluminum couplings are favored in applications where weight reduction is critical.

It is essential to consider the specific needs of the application and the coupling’s material properties to ensure optimal performance, longevity, and reliability of the rigid shaft coupling.

editor by CX 2024-05-08