Product Description
Company Profile
ZheJiang Yului Economic & Trade Co., Ltd. was established in 2571 with a registered capital of 3 million yuan. The company is located in the National High-tech Zone of HangZhou City, ZheJiang Province, near the CHINAMFG Expressway, superior position, convenient transportation. The main business of CHINAMFG Economic and trade includes construction machinery and parts, agricultural machinery, mining machinery, environmental protection special equipment and parts sales. The company has an independent right to import and export goods, goods can be sold all over the world. The company has a number of professional technical engineers, maintenance experts, sales and service personnel, skilled and experienced, can provide product consulting, technical consulting, maintenance consulting, sales consulting and transportation services. In order to better serve customers, the company has established a perfect marketing and sales channels and professional after-sales service system, from front-end sales to halfway transportation and then to the back-end service full coverage, can realize the seamless connection of products from the factory to the customer, you only need an order, the rest of the thing I do. The company’s service philosophy is “do service with heart, win the world with integrity”, welcome friends from all walks of life to visit, guide and negotiate.
Product Description
Suitable for night pressure system pipeline connection.
Detailed Photos
FAQ
Q: What kind of filter element can you supply?
A: We can offer filter made from metal, stainless steel, and rubber.
Q: Are you able to produce filter as per my sample?
A: We have a state-of-art R & D center, and tooling workshop in house. We will produce filter as per your sample, after evaluating yours.
Q: Can I use our own packing design?
A: We provide various packing options, including customized.
Q: What is your MOQ? Do you provide goods from stock?
A: Normally, our MOQ is 10 PCS . But it is negotiable if the models are our regular products. Meanwhile, we usually keep some filter.
Q: What is your warranty of your producys
A: Our warranty is 6 months.
Q: How can I have accurate quotation from you?
A: We can identify the correct products from part numbers, engine models, vehicle models. But the best way is to have OEM part numbers of those parts you requested.
If you can’t find what you’re looking for, please contact us and place a custom order. We can produce according to your sample or drawing.
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Impact of Flange Coupling on Noise and Vibration in a Mechanical System
Flange couplings play a significant role in the overall noise and vibration levels of a mechanical system. The type of flange coupling used and its design characteristics can have varying effects on the system’s noise and vibration. Let’s explore how flange couplings impact noise and vibration in a mechanical system:
1. Rigid Flange Couplings:
Rigid flange couplings, being solid and inflexible connections, are generally considered to be more rigid than flexible couplings. As a result, they can transmit vibrations more directly between the connected shafts and the rest of the system. The lack of misalignment compensation can lead to higher stress on the bearings and other components, contributing to increased vibration levels.
However, rigid flange couplings are also less likely to introduce any additional sources of vibration due to their simple and solid construction. If the system is well-aligned and requires no misalignment compensation, rigid flange couplings can provide a stable and reliable connection.
2. Flexible Flange Couplings:
Flexible flange couplings are designed to dampen vibrations and shocks in the system. The flexibility of these couplings allows them to absorb and minimize the transmission of vibrations between the connected shafts and the rest of the system. As a result, flexible flange couplings can reduce overall vibration levels and provide a smoother and quieter operation.
Additionally, the misalignment compensation capability of flexible flange couplings helps to reduce stress on the bearings and other components. By accommodating misalignment, these couplings prevent the system from experiencing excessive vibrations that can lead to premature wear and failures.
Overall Impact:
The choice of flange coupling design will significantly influence the noise and vibration levels in the mechanical system. In applications where precise alignment is crucial, rigid flange couplings may be preferred despite potentially higher vibration levels. On the other hand, flexible flange couplings are ideal for systems where misalignment is expected or where vibration dampening is a priority.
It’s important to consider the specific requirements of the application when selecting a flange coupling. Factors such as torque capacity, operating conditions, alignment needs, and desired noise and vibration levels should all be taken into account. Proper installation and maintenance of the chosen flange coupling can also impact its performance in reducing noise and vibration levels in the mechanical system.
Common Installation Mistakes to Avoid When Using Flange Couplings
Proper installation is crucial for the efficient and reliable operation of flange couplings. Avoiding common installation mistakes can help ensure the longevity and optimal performance of the coupling. Here are some common installation mistakes to avoid:
1. Improper Alignment: One of the most critical aspects of flange coupling installation is ensuring proper shaft alignment. Misalignment can lead to increased wear, vibrations, and decreased power transmission efficiency. Always use precision alignment tools and techniques to achieve accurate alignment.
2. Over-Tightening: Over-tightening the coupling’s bolts can cause excessive stresses on the coupling and connected equipment. It may lead to premature failure or deformation of the coupling. Follow the manufacturer’s recommended torque values for tightening the bolts.
3. Under-Tightening: On the other hand, under-tightening the bolts may result in a loose connection, leading to misalignment and potential damage to the coupling during operation. Make sure to achieve the proper torque during installation.
4. Lack of Lubrication: Insufficient or improper lubrication of the coupling’s components can result in increased friction and wear. Follow the manufacturer’s guidelines for lubrication, and use the recommended lubricant to ensure smooth operation.
5. Contamination: Avoid introducing dirt, debris, or foreign particles into the coupling during installation. Contaminants can lead to wear and damage over time, reducing the coupling’s performance.
6. Incorrect Coupling Selection: Choosing the wrong type or size of flange coupling for the application can lead to performance issues. Consider factors like torque, speed, load, and operating environment when selecting the coupling.
7. Lack of Inspection: After installation, regularly inspect the flange coupling and its components for signs of wear, damage, or misalignment. Early detection of issues allows for timely maintenance and prevents potential system failures.
8. Ignoring Manufacturer Guidelines: Always follow the manufacturer’s installation instructions and guidelines. Each flange coupling may have specific requirements and recommendations that must be adhered to for proper functioning.
9. Incorrect Shaft Fit: Ensure that the coupling properly fits the shafts’ dimensions. A loose fit can cause slippage, while a tight fit can lead to stress concentration and premature failure.
10. Inadequate Inspection of Components: Before installation, inspect all coupling components, including flanges, bolts, and keyways, for any defects or damage. Replace any damaged parts before installation.
By avoiding these common installation mistakes, you can maximize the performance and lifespan of flange couplings in your mechanical systems.
What is a flange coupling and how does it work?
A flange coupling is a type of rigid coupling used to connect two shafts together in a mechanical system. It consists of two flanges, one on each shaft, which are bolted together to form a solid and robust connection. Flange couplings are widely used in applications where precise alignment, high torque transmission, and zero backlash are critical.
The key components of a flange coupling include:
- Flanges: The flanges are circular discs with holes around the perimeter for bolting them to the respective shaft ends. The flanges are made from materials such as steel, cast iron, or aluminum, depending on the application requirements.
- Fasteners: High-strength bolts or studs with nuts are used to fasten the flanges together securely. The number and size of the bolts depend on the size and torque capacity of the coupling.
- Gaskets: In some cases, gaskets or spacers are used between the flanges to provide insulation, prevent corrosion, or compensate for any slight misalignments between the shafts.
How a flange coupling works:
- The two shafts that need to be connected are brought together with their respective flanges facing each other.
- The flanges are aligned precisely to ensure that both shafts are in perfect axial alignment. Proper alignment is essential to prevent excessive loads on the bearings and to ensure efficient torque transmission.
- Once the flanges are aligned, high-strength bolts or studs are inserted through the holes in the flanges, and nuts are fastened tightly to hold the flanges together securely.
- The tight connection between the flanges creates a rigid joint between the shafts, allowing torque to be transmitted from one shaft to the other with minimal losses.
- Flange couplings are designed to have zero backlash, meaning there is no play or free movement between the shafts when the direction of rotation changes. This feature ensures precise and immediate power transmission between the connected shafts.
Flange couplings are commonly used in various industrial applications, including heavy machinery, pumps, compressors, and marine propulsion systems. They are preferred when a reliable, high-torque transmission with precise alignment is required. However, they do not offer flexibility to accommodate misalignment, which is a limitation compared to flexible couplings. Therefore, proper alignment during installation is critical to avoid premature wear and failure of the coupling and connected equipment.
editor by CX 2024-02-12