Product Description

Flexible Ktr Spider Cupping GEAREX FAB FH POLY-NORM Elastomer Gear Shaft CHINAMFG GS Jaw Coupling Elastic Polyurethane Rubber Plum Cushion
 

ROTEX couplings

ROTEX - torsionally flexible jaw coupling

ROTEX torsionally flexible claw couplings are characterized by their compact design. ROTEX elastomer couplings are used in almost all areas of general mechanical and plant engineering.

ROTEX GS - Backlash-free servo coupling

The ROTEX GS is a three-part, backlash-free servo coupling under preload. The various hub designs and different shore hardnesses result in the optimum coupling for every application in automation technology.
 

POLY-NORM torsionally flexible, fail-safe shaft couplings

POLY-NORM shaft couplings are characterized by a compact design. The torque is transmitted via elastomers between the cams also serving to offset displacements and dampen shocks and torsional vibrations.

Applications of our torsionally flexible, fail-safe shaft couplings:

POLY-NORM shaft couplings are used in almost all fields of mechanical engineering, here mainly in the pump industry (pump coupling).

Advantages

• Torsionally flexible shaft couplings (pump coupling / E4 coupling)
• Axial plug-in, easy assembly
• Fail-safe
• Compact, short shaft distance dimension
• Torques up to 5,500 kNm
• Vibration-damping
• Compensation of displacements
• Various options of bores

Attributes

• High quality
• Various applications
• Very suitable for short installation lengths
• Available from stock

This KTR POLY-NORM coupling is a torsionally-flexible, shear type shaft coupling. It has an axial plug-in design with a unique short overall length. The POLY-NORM   can be used in nearly all types of machinery and is ideal for the pump industry.

KTR POLY-NORM AR shear type shaft coupling

This KTR POLY-NORM coupling is a torsionally-flexible, shear type shaft coupling. It has an axial plug-in design with a unique short overall length. The POLY-NORM  can be used in nearly all types of machinery and is ideal for the pump industry.

• 2-pieces shaft coupling for torque transmission and damping of torsional vibrations
• Axial plug-in, easy assembly
• Maintenance-free
• Short-constructing, small dimension of shaft distance
• Use in general machinery

More than shaft couplings

Due to our large assortment, there is almost always a product that is suitable for your applications. We not only supply drive components, but also all the other products needed to achieve an optimal process. In our stockpile we have, for example, various types of transport components, hydraulic components, oil coolers and our own monitoring system

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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Factors to Consider When Choosing a Jaw Coupling for a Specific System

Choosing the right jaw coupling for a specific system is crucial to ensure efficient power transmission and reliable operation. Several factors should be considered when making the selection:

• Torque and Power Requirements: Calculate the torque and power requirements of the system to determine the appropriate size of the jaw coupling. Ensure that the selected coupling can handle the maximum torque and power output without exceeding its rated capacity.
• Shaft Size: Match the jaw coupling's bore size to the shaft diameters of the connected equipment. The coupling's bore should be slightly larger than the shaft diameter to allow for easy installation and proper clamping.
• Misalignment Compensation: Evaluate the degree of misalignment that the system may experience during operation. Jaw couplings can handle angular, parallel, and axial misalignment to varying degrees, but it's essential to choose a coupling with the appropriate misalignment capabilities for the specific application.
• Operating Speed: Consider the operating speed of the system. Some jaw couplings are designed for high-speed applications, while others are more suitable for lower speeds. Choosing a coupling that matches the system's operating speed helps prevent issues such as resonance and premature wear.
• Environmental Conditions: Assess the environmental conditions in which the coupling will operate. Factors such as temperature, moisture, and exposure to chemicals can influence the choice of material for the jaw coupling.
• Backlash: Determine if the application requires minimal or zero backlash. Some jaw couplings may have inherent backlash due to their design, while others are designed to provide backlash-free operation.
• Installation and Maintenance: Consider the ease of installation and maintenance of the jaw coupling. Some couplings may have a split design, making installation and replacement simpler.
• Cost and Budget: Compare the cost of the jaw coupling with the system's budget. While it's essential to select a high-quality coupling, it's also crucial to ensure it fits within the budget constraints.

By carefully evaluating these factors, engineers and designers can make an informed decision when choosing a jaw coupling that meets the specific requirements of the system, leading to optimal performance and longevity of the mechanical system.

What are the common signs of wear and failure in jaw couplings?

Jaw couplings are reliable components, but like any mechanical part, they can experience wear and eventually fail if not properly maintained or replaced when necessary. Here are some common signs of wear and failure to look out for in jaw couplings:

• Excessive Vibration: Increased vibration during operation may indicate wear in the elastomer spider or misalignment between the coupling hubs. Excessive vibration can lead to further damage and should be addressed promptly to prevent more significant issues.
• Abnormal Noise: Unusual noises, such as rattling, clanking, or squeaking sounds, can indicate wear, misalignment, or damage in the jaw coupling. A well-functioning jaw coupling should operate smoothly and quietly.
• Visible Cracks or Damage: Inspect the jaw coupling regularly for any visible cracks, tears, or damage to the elastomer spider or coupling hubs. Cracks in the elastomer can lead to reduced torque transmission and compromise the coupling's performance.
• Loose or Displaced Spider: A loose or displaced elastomer spider may result from wear or improper installation. The spider should fit securely between the coupling hubs. Any sign of misalignment or gaps in the spider indicates potential wear or failure.
• Increased Heat: Excessive heat generation in the jaw coupling could indicate high levels of friction or misalignment, leading to wear on the elastomer spider. Elevated temperatures can accelerate wear and shorten the coupling's lifespan.
• Shaft Misalignment: If you notice misalignment between the connected shafts, it can be a sign that the jaw coupling is no longer compensating for misalignment properly. This can lead to increased stress on the shafts and coupling components.
• Reduced Performance: A jaw coupling nearing the end of its service life may experience reduced torque transmission and compromised rotational speed control. As the elastomer spider wears, the coupling's ability to transmit torque efficiently diminishes.
• Unexpected Downtime: Frequent unexpected shutdowns or downtime may indicate coupling failure. Sudden coupling failure can lead to costly equipment damage and unplanned production halts.

It is essential to conduct regular maintenance and inspections to detect these signs of wear and failure early. Preventive measures such as proper lubrication, alignment checks, and timely replacement of worn elastomer spiders can extend the life of the jaw coupling and prevent unexpected failures.

If any of these signs are observed, it is advisable to consult coupling manufacturers or maintenance professionals for a thorough assessment and appropriate corrective actions.

Comparing Jaw Couplings to Other Types of Couplings in Performance

Jaw couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics vary based on the specific application requirements. Here's a comparison of jaw couplings with some commonly used coupling types:

• Jaw Couplings vs. Gear Couplings: Jaw couplings are more economical and easier to install than gear couplings. They can handle misalignment to some extent, but gear couplings are better suited for high torque and high misalignment applications.
• Jaw Couplings vs. Disc Couplings: Both jaw couplings and disc couplings provide some level of misalignment compensation, but disc couplings offer higher torque capacity and better torsional stiffness. Jaw couplings are generally more cost-effective for low to moderate torque applications.
• Jaw Couplings vs. Oldham Couplings: Jaw couplings are torsionally stiffer than Oldham couplings, which means they provide more accurate torque transmission. However, Oldham couplings can accommodate higher misalignment and have no moving parts, making them suitable for some low-speed applications.
• Jaw Couplings vs. Flexible Beam Couplings: Beam couplings are more flexible than jaw couplings and can handle higher misalignment. However, jaw couplings have a higher torque capacity and can dampen vibration better in certain conditions.

Ultimately, the choice of coupling depends on the specific needs of the application, including factors like torque requirements, misalignment, speed, and cost considerations. It's essential to carefully evaluate the performance characteristics of different coupling types and select the one that best suits the demands of the mechanical system to ensure reliable and efficient power transmission.

editor by CX 2024-05-08