Product Description
Product Description:
Single ball rubber joint is a kind of pipeline joint which is high-flexibility,high-gas tightness,resistance to medium and climate. Limit displacement and Prevent pull off rubber joint is usually composed of inner rubber layer,fabric reinforcement layer(reinforcement layer have multilayer frictioning nylon cord fabric),middle rubber layer,outer rubber layer,top reinforce metal ring or bead ring. After high pressure, high temperature vulcanization and become. It can reduce the vibration and noise of pipeline.It can also compensate for the Thermal expansion and cold contraction caused by temperature changed.
Product features:
1.Small volume, light weight, good elasticity, easy installation and maintenance.
2.After installation, it can assimilate horizontal, axial and angular displacement caused by pipeline vibration.
3.After installation, it can reduce the noise which produced by the pipeline and water pump etc.
4.Inside has seamless high pressure rubber joint more effectively prevent rubber joint’s inner walls from being corroded by corrosive medium in high temperature resistance,acid and alkali resistant,oil resistance pipeline and raised working life.
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Technics condition |
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Item/type |
KXT-1 |
KXT-2 |
KXT-3 |
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work pressure MPa( kgf/cm 2 ) |
1.0(10 ) |
1.6 ( 16 ) |
2.5 ( 25 ) |
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explosion pressure MPa( kgf/cm 2 ) |
2.0 ( 20 ) |
3.0 ( 30 ) |
4.5 ( 45 ) |
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vacuum degree KPa(mm/Hg) |
53.3 ( 400 ) |
86.7 ( 650 ) |
100 ( 750 ) |
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Applicable temperature |
-15 ºC~ 115 ºC special can reach -30 ºC ~ 250 ºC |
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Applicable medium |
Air,compressed air,water,sea water,hot water,oil,acid,alkali etc. |
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Can Bellows Couplings Handle Angular and Parallel Misalignments Simultaneously?
Bellows couplings are designed to handle both angular and parallel misalignments simultaneously, making them versatile for various mechanical power transmission applications. The bellows element, typically made of a thin-walled metal structure, allows for flexibility in multiple directions, enabling the coupling to accommodate different types of misalignments.
1. Angular Misalignment: Angular misalignment occurs when the driving and driven shafts are not collinear and form an angle with each other. This type of misalignment can happen in applications where the shafts are not perfectly aligned due to assembly errors, shaft deflection, or thermal expansion. The bellows coupling’s design allows it to flex in response to angular misalignment, transmitting torque smoothly without inducing additional stress on the connected components.
2. Parallel Misalignment: Parallel misalignment, also known as lateral misalignment, happens when the axes of the driving and driven shafts are parallel but not concentric. This misalignment may occur due to inaccurate alignment during installation or shaft deflection under load. The bellows coupling’s flexible bellows element can also compensate for this type of misalignment, ensuring that the shafts remain parallel enough to prevent excessive forces and vibrations.
Simultaneous Misalignments: Bellows couplings are unique in their ability to handle both angular and parallel misalignments simultaneously. As the bellows element flexes in multiple directions, it can compensate for misalignments in both planes without imposing significant side loads on the shafts or bearings. This capability makes bellows couplings well-suited for precision motion control systems, where maintaining accurate alignment is crucial to ensure smooth operation and longevity of the equipment.
It is important to note that while bellows couplings can handle a certain degree of misalignment, excessive misalignments should be avoided to prevent premature wear and reduce the efficiency of the coupling. Regular maintenance and inspections can help identify and correct misalignment issues early, ensuring optimal performance and extended service life of the bellows coupling and the entire mechanical system.
Are Bellows Couplings Suitable for Use in Corrosive or Harsh Environments?
Bellows couplings can be suitable for use in corrosive or harsh environments, depending on the material they are made from and their design. The choice of material is a crucial factor in determining the coupling’s resistance to corrosion and its ability to withstand harsh conditions.
Common materials used in manufacturing bellows couplings that offer good resistance to corrosion include stainless steel and other high-grade alloys. Stainless steel is known for its excellent corrosion resistance, making it well-suited for applications in harsh or corrosive environments.
In some cases, bellows couplings can be coated or treated with specialized coatings to further enhance their resistance to corrosion. These coatings can provide an additional layer of protection, allowing the coupling to perform effectively even in highly aggressive surroundings.
It’s essential to consider the specific environmental conditions and the type of corrosive agents present when selecting a bellows coupling for use in such environments. Proper material selection and the appropriate protective measures can ensure the longevity and reliability of the coupling under challenging conditions.
Additionally, it is essential to consult with coupling manufacturers or experts to identify the most suitable coupling material and design for the particular corrosive or harsh environment in question. Customized bellows couplings may be available to meet specific requirements, providing further versatility in addressing the challenges posed by corrosive or harsh conditions.
How do Bellows Couplings Accommodate Misalignment and Axial Motion between Shafts?
Bellows couplings are designed to accommodate misalignment and axial motion between shafts while maintaining accurate torque transmission. The key features that enable this flexibility are the bellows element and the coupling’s construction.
1. Bellows Element: The bellows element is a thin-walled, corrugated metal tube with deep convolutions. When torque is applied to the coupling, the bellows element flexes, allowing for angular misalignment between the driving and driven shafts. The corrugations in the bellows provide the necessary flexibility while maintaining the overall structural integrity of the coupling.
2. Axial Motion Compensation: Bellows couplings can also accommodate axial motion between shafts. When there is axial displacement, the bellows compresses or extends, effectively compensating for the relative movement of the shafts along the axial direction. This feature is particularly beneficial in applications where shafts experience thermal expansion or contraction during operation.
3. Single and Multi-Bellows Designs: Bellows couplings are available in both single and multi-bellows designs. Single-bellows couplings offer greater flexibility and are suitable for applications with relatively low misalignments and axial motion. On the other hand, multi-bellows couplings provide enhanced flexibility and can accommodate higher levels of misalignment and axial motion.
4. Zero Backlash: Bellows couplings are designed to have minimal or zero backlash. Backlash refers to the play or clearance between the coupling’s components. Zero backlash ensures that there is no lost motion when reversing the direction of rotation, making bellows couplings ideal for precision motion control applications.
5. Reducing Side Loads: To ensure optimal performance and longevity, it is essential to minimize side loads on bellows couplings. Excessive side loads can cause premature wear and fatigue in the bellows element, leading to reduced coupling life.
Overall, bellows couplings provide excellent flexibility and compensatory capabilities, making them a preferred choice in applications where misalignment and axial motion are expected. The ability to handle these factors without compromising torque transmission or introducing backlash makes bellows couplings suitable for various industries, including robotics, automation, aerospace, and semiconductor manufacturing.
editor by CX 2024-05-13