China OEM Jurid Flexible Coupling, Jurid Rubber Coupling

Product Description

Product Description

 

Place of Origin: ZheJiang , China (Mainland) Brand Name: Kubota excavator coupling Model Number: JURID couplings
Application 1: Mini Excavators Application 2: Compact Loaders Application 3: Forlifts
Application 4: Construction machines using a hydraulic drive system Coupling model A: BoWex MONOLASTIC size 28 Coupling model B: BoWex MONOLASTIC size 32
Coupling model C: BoWex MONOLASTIC size 50-140 Coupling model D: BoWex MONOLASTIC size 50-170 Material: Original material-GF-PA6
Availability: In stock

Packaging & Delivery

Packaging Details: JURID couplings
1. spare parts, with carton package as usual for mini order
2. Main pump, wooden box
3. if need wooden pallets, the customer needs to pay for the wooden pallet charges
Delivery Detail: 1-7 working days after payment

1.  Material options for H series Couplings
 
H series coupling we produced is made of Hytrel. It has elasticity like that of rubber. It is excellent in absorbing vibrations and shocks. It also excels in resistance to heat, low temperature and oil.
 
Input and output can be connected and disconnected easily merely by moving axially. By using a unique claming mechanism, mounting in a spline shaft is possible. Hub and spline shafts are completely fixed by using a clamping hub of the mechanism. No fretting wear is caused.
2. Technical Data

COUPLING “H” SERIES TECHNICAL DATA
                           SIZE  30H 40H 50H 110H 140H 160H
TECHNICAL DATA
DESCRIPTION SYMBOL UNIT 500 600 800 1200 1600 2000
Nominal Torque Tkn Nm
Maximum Torque Tkmax Nm 1400 1600 2000 2500 4000 4000
Maximum Rotational speed Nmax Min-1 4000 4000 4000 4000 3600 3600
COUPLING “A” SERIES TECHNICAL DATA
SIZE 4A/4AS 8A/8AS 16A/16AS 25A/25AS 30A/30AS 50A/50AS 140A/140AS
TECHNICAL DATA
DESCRIPTION SYMBOL UNIT 50 100 200 315 500 700 1700
Nominal Torque Tkn Nm
Maximum Torque Tkmax Nm 125 280 560 875 1400 2100 8750
Maximum Rotational speed Nmax Min-1 7000 6500 6000 5000 4000 4000 3600

FAQ
Why chose us
A. 30 yease experience in the line of the market, produce high quality excavator spare parts
     High quality at competitive price.
B. Factory manufacturer, factory price
C. One-stop shopping. We have Trading company based on our factory, supply with various spare parts for your need, with high quality at company price, one-stop shopping, save your time to searching the parts you need urgent.
D. Timely delivery
E. Various of transportation way: Sea, Air, Bus, Express, etc
F. Parts available in stock
Note:
A. In order to give you fast and accurate pricing information, we need some details about your engine/application and the part number of the part you want.
B. If you can not find the parts you want, please contact us

HangZhou Xiebang  Machinery Co., Ltd
 
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flexible coupling

What are the temperature and environmental limitations of flexible couplings?

Flexible couplings are designed to operate within certain temperature and environmental limitations to ensure optimal performance and longevity. The specific limitations may vary depending on the type and material of the coupling. Here are the general considerations:

  • Temperature Range: The temperature range in which a flexible coupling can operate is crucial. High temperatures can affect the material properties, leading to reduced flexibility and potential failure. Low temperatures can cause the material to become brittle and lose its ability to accommodate misalignment. It’s essential to choose a coupling suitable for the intended temperature range of the application.
  • Corrosive Environments: In environments with corrosive substances, such as acids, chemicals, or saltwater, it is essential to select a flexible coupling made of materials that are resistant to corrosion. Stainless steel and certain polymers are commonly used in such environments to prevent degradation and maintain the coupling’s integrity.
  • Hygienic Environments: For applications in food processing, pharmaceuticals, or cleanrooms, hygienic design is critical. Flexible couplings used in these environments should be easy to clean, made of materials that are non-toxic and resistant to contamination, and free from crevices or pockets where debris can accumulate.
  • Explosive or Hazardous Atmospheres: In environments where explosive or hazardous gases, vapors, or dust are present, flexible couplings with anti-static properties or explosion-proof certifications may be necessary to prevent the risk of ignition and ensure safety.
  • Outdoor Applications: For outdoor installations, flexible couplings should be able to withstand exposure to weather conditions, UV radiation, and temperature fluctuations. Couplings with weather-resistant properties are suitable for such applications.
  • High-Speed Applications: In high-speed applications, the centrifugal forces on the flexible coupling increase with rotational speed. Couplings designed for high-speed applications should be balanced to minimize vibrations and ensure smooth operation.
  • Shock and Impact Loads: Flexible couplings used in applications with significant shock or impact loads should have the ability to dampen and absorb these forces to protect connected equipment from damage.
  • Continuous vs. Intermittent Duty: Some flexible couplings are designed for continuous-duty applications, while others are suitable for intermittent duty or start-stop operations. The coupling’s design and material should match the specific duty cycle requirements.

It is essential to consult with the coupling manufacturer or supplier to understand the temperature and environmental limitations of a specific coupling model. Proper selection and application of flexible couplings within their defined limitations contribute to reliable and efficient performance in various industrial and mechanical systems.

flexible coupling

What are the differences between flexible couplings and rigid couplings in terms of performance?

Flexible couplings and rigid couplings are two distinct types of couplings used in mechanical systems, and they differ significantly in terms of performance and applications.

  • Torsional Flexibility: The primary difference between flexible and rigid couplings lies in their ability to handle misalignments and torsional flexibility. Flexible couplings are designed with elements, such as elastomeric inserts or metal bellows, that can deform or twist to accommodate shaft misalignments, angular offsets, and axial movements. On the other hand, rigid couplings do not have any flexibility and maintain a fixed connection between the shafts, which means they cannot compensate for misalignment.
  • Misalignment Compensation: Flexible couplings can absorb and mitigate misalignment between shafts, reducing stress and wear on connected components. In contrast, rigid couplings require precise alignment during installation, and any misalignment can lead to increased loads on the shafts and bearings, potentially leading to premature failure.
  • Vibration Damping: Flexible couplings, especially those with elastomeric elements, offer damping properties that can absorb and dissipate vibrations. This damping capability reduces the transmission of vibrations and shocks through the drivetrain, improving the overall system performance and protecting connected equipment. Rigid couplings, being solid and without damping elements, do not provide this vibration damping effect.
  • Backlash: Flexible couplings can have some degree of backlash due to their flexibility, particularly in certain designs. Backlash is the play or free movement between connected shafts. In contrast, rigid couplings have minimal or no backlash, providing a more precise and immediate response to changes in rotational direction.
  • Torque Transmission: Rigid couplings are more efficient in transmitting torque since they do not have any flexible elements that can absorb some torque. Flexible couplings, while capable of transmitting substantial torque, may experience some power loss due to the deformation of their flexible components.
  • Applications: Flexible couplings are widely used in applications that require misalignment compensation, damping, and shock absorption, such as pumps, motors, and industrial machinery. On the other hand, rigid couplings are used in situations where precise alignment is critical, such as connecting shafts of well-aligned components or shafts that require synchronous operation, like in some encoder applications.

In summary, flexible couplings excel in applications where misalignment compensation, vibration damping, and shock absorption are required. They are more forgiving in terms of alignment errors and can accommodate dynamic loads. Rigid couplings, on the other hand, are used in situations where precise alignment and zero backlash are essential, ensuring direct and immediate power transmission between shafts.

flexible coupling

How does a flexible coupling protect connected equipment from shock loads and vibrations?

Flexible couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing damping and isolation capabilities. When machines or mechanical systems experience sudden shock loads or vibrations, the flexible coupling acts as a buffer, absorbing and dissipating the impact, thereby reducing the transmitted forces and protecting the equipment. Here’s how flexible couplings achieve this:

  • Damping of Vibrations: Flexible couplings are often made from materials that exhibit damping properties. When vibrations are transmitted through the shafts, the flexible coupling’s material can absorb a portion of the vibrational energy, converting it into heat. This dissipation of energy helps reduce the amplitude of the vibrations and prevents them from propagating further into the connected equipment.
  • Vibration Isolation: In addition to damping vibrations, flexible couplings also offer a degree of vibration isolation. They are designed to decouple the two shafts, which means that vibrations occurring on one shaft are not directly transmitted to the other shaft. This isolation effect prevents vibrations from propagating across the entire system and minimizes the impact on sensitive equipment or nearby components.
  • Shock Absorption: When the connected machinery experiences sudden shock loads, such as during a startup or abrupt changes in load, the flexible coupling can act as a shock absorber. The coupling’s design allows it to deform slightly under the impact, absorbing and distributing the shock energy. This prevents the shock from being directly transferred to the connected equipment, reducing the risk of damage or premature wear.
  • Misalignment Compensation: Flexible couplings are capable of compensating for misalignment between the shafts. Misalignment can lead to additional stresses and vibrations in the system. By allowing for some degree of angular, parallel, and axial misalignment, the flexible coupling reduces the forces transmitted to the connected equipment and the supporting structures.
  • Reduction of Resonance Effects: Resonance is a phenomenon that occurs when the natural frequency of a system matches the frequency of external vibrations, leading to amplified vibrations. Flexible couplings can help avoid resonance effects by altering the system’s natural frequency and providing some level of flexibility that damps the resonance response.

By incorporating a flexible coupling into the drivetrain or power transmission system, equipment manufacturers and operators can significantly improve the reliability and longevity of connected machinery. The coupling’s ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more stable operation, reducing maintenance requirements and enhancing overall system performance.

In summary, flexible couplings act as protective elements, shielding connected equipment from shock loads and vibrations. Their ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more reliable operation of various mechanical systems.

China OEM Jurid Flexible Coupling, Jurid Rubber Coupling  China OEM Jurid Flexible Coupling, Jurid Rubber Coupling
editor by CX 2024-03-02

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