Product Description
Material: QT450-12, ASTM A536, GRADE 65-45-12 ,etc.
Standard: ASME, ANSI, DIN, JIS, ASTM, UNI, BS ,etc.
Pressure: 300PSI, 500PSI, 750PSI, 1000PSI.
Surface treatment: red painted, orange painted, galvanized, red spraied, orange spraied, dacromet, epoxy powder, epoxy, electroplate, galvanized+epoxy, etc.
Applications: Industrial pipeline system on shipping ,mine, fire protection ,oil field,textile,powder plant,etc.
Advantages:
1. Low price,high quality & fast delivery & strict inspection .
2. The fastest delivery
3. The lowest price
4. Most comprehensive standards and materials for your choice. 5.100% export.
6. Our products EXPORT to Africa, Oceania, midle east, eastern Asia, Western Europe etc.
1. Sepcification of Flexible coupling
| Nominal size mm/in |
Pipe O.D mm/in |
Work Pressure MPa/psi |
Dimension mm | Bolt/Nut | ||
| A | B | C | ||||
| 1 | 1.315 | 300 | 98 | 60 | 45 | 2-M10*50 |
| 1¼ | 1.66 | 300 | 110 | 69 | 45 | 2-M10*50 |
| 1½ | 1.9 | 300 | 118 | 73 | 45 | 2-M10*50 |
| 2 | 2.375 | 300 | 124 | 90 | 45 | 2-M10*50 |
| 2½ | 3 | 300 | 138 | 100 | 45 | 2-M10*50 |
| 3 | 3.5 | 300 | 154 | 120 | 46 | 2-M10*55 |
| 4 | 4.252 | 300 | 186 | 148 | 48 | 2-M12*65 |
| 4 | 4.5 | 300 | 190 | 149 | 48 | 2-M12*65 |
| 5 | 5.25 | 300 | 216 | 171 | 48 | 2-M12*65 |
| 5 | 5.5 | 300 | 217 | 176 | 48 | 2-M12*65 |
| 6 | 6.26 | 300 | 240 | 196 | 48 | 2-M12*75 |
| 6 | 6.5 | 300 | 245 | 202 | 48 | 2-M12*75 |
| 6 | 6.625 | 300 | 250 | 206 | 48 | 2-M12*75 |
| 8 | 8.625 | 300 | 320 | 258 | 56 | 2-M16*85 |
| 10 | 10.75 | 300 | 390 | 316 | 58 | 2-M20*95 |
| 12 | 12.75 | 300 | 446 | 366 | 60 | 2-M20*110 |
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Can flexible couplings be used in precision motion control systems?
Yes, flexible couplings can be used in precision motion control systems, but careful consideration must be given to their selection and application. Precision motion control systems require high accuracy, repeatability, and minimal backlash. Flexible couplings can play a crucial role in such systems when chosen appropriately and used in the right conditions.
Selection Criteria: When selecting a flexible coupling for a precision motion control system, several key factors should be considered:
- Backlash: Look for couplings with minimal or no backlash to ensure accurate motion transmission and precise positioning.
- Torsional Stiffness: Choose a coupling with sufficient torsional stiffness to minimize torsional deflection and maintain accurate motion control.
- Misalignment Compensation: Ensure the coupling can accommodate the required misalignment without introducing significant variations in motion accuracy.
- Dynamic Performance: Evaluate the coupling’s dynamic behavior under varying speeds and loads to ensure smooth and precise motion control during operation.
- Material and Construction: Consider the material and construction of the coupling to ensure it can withstand the specific environmental conditions and loads of the motion control system.
- Size and Space Constraints: Choose a compact and lightweight coupling that fits within the available space and does not add excessive inertia to the system.
Applications: Flexible couplings are commonly used in precision motion control systems, such as robotics, CNC machines, semiconductor manufacturing equipment, optical systems, and high-precision measurement instruments. They help transmit motion from motors to various components, such as lead screws, spindles, or precision gears, while compensating for misalignments and providing shock and vibration absorption.
Specialized Couplings: For ultra-high precision applications, specialized couplings, such as zero-backlash or torsionally rigid couplings, may be preferred. These couplings are designed to provide precise motion transmission without any play or torsional deflection, making them suitable for demanding motion control tasks.
Installation and Alignment: Proper installation and alignment are critical to achieving optimal performance in precision motion control systems. Precise alignment of the coupling and connected components helps maintain accurate motion transmission and minimizes eccentricities that could impact the system’s precision.
Summary: Flexible couplings can indeed be used in precision motion control systems when chosen and applied correctly. By considering factors like backlash, torsional stiffness, misalignment compensation, and dynamic performance, users can select the right coupling to ensure high accuracy, repeatability, and reliable motion control in their specific application.
Can flexible couplings be used in power generation equipment, such as turbines and generators?
Yes, flexible couplings are commonly used in power generation equipment, including turbines and generators. These critical components of power generation systems require reliable and efficient shaft connections to transfer power from the prime mover (e.g., steam turbine, gas turbine, or internal combustion engine) to the electricity generator.
Flexible couplings play a vital role in power generation equipment for the following reasons:
- Misalignment Compensation: Power generation machinery often experiences misalignment due to factors like thermal expansion, settling, and foundation shifts. Flexible couplings can accommodate these misalignments, reducing the stress on shafts and minimizing wear on connected components.
- Vibration Dampening: Turbines and generators can generate significant vibrations during operation. Flexible couplings help dampen these vibrations, reducing the risk of resonance and excessive mechanical stress on the system.
- Torsional Shock Absorption: Power generation equipment may encounter torsional shocks during startup and shutdown processes. Flexible couplings can absorb and dissipate these shocks, protecting the entire drivetrain from damage.
- Isolation of High Torque Loads: Some power generation systems may have torque fluctuations during operation. Flexible couplings can isolate these fluctuations, preventing them from propagating to other components.
- Electrical Isolation: In certain cases, flexible couplings with non-metallic elements can provide electrical isolation, preventing the transmission of electrical currents between shafts.
Power generation applications impose specific requirements on flexible couplings, such as high torque capacity, robust construction, and resistance to environmental factors like temperature and humidity. Different types of flexible couplings, including elastomeric, metallic, and composite couplings, are available to meet the varying demands of power generation equipment.
When selecting a flexible coupling for power generation equipment, engineers must consider factors such as the type of prime mover, torque and speed requirements, operating conditions, and the specific application’s environmental challenges. Consulting with coupling manufacturers and following their engineering recommendations can help ensure the appropriate coupling is chosen for each power generation system.
Can flexible couplings handle misalignment between shafts?
Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.
Flexible couplings offer the ability to compensate for different types of misalignment, including:
- Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
- Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
- Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.
The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.
It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.
In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.
editor by CX 2024-03-10