Customized Rubber Products & Parts Manufacturer
Description of goods
53-57 Shore A
According to customer’s drawing or samples
weather and water resistant, oil-resistant, dust resistant.
ISO 9001,ISO14001,TS16949, ROHS,REACH SGS
15 work days after we receive your deposit
|HangZhou Port or as customer’s requirement
1. Express(fast,samples are suggested)
2. By air,(fatest,high expense)
3. By sea(large order,longer time,cheapest).
4. The standard shipping is 10-22 working days. The expedited shipping is 3-5 working days,.
5. All international orders may be subject to their custom fees or duty tax which we do not pay.
6. All buyers must pay for their own customs fees or brokerage fees or duty tax.
These fees vary due to price of item and government rate. Please contact your government website or shipping company to calculate fees.
1.We will reply your enquiry in 24 hours,any time you can contact us.
2.OEM, buyer design, buyer label service is available.
3.We can provide free sample for your testing.
4.We have the certification of ISO 9001
5.Special discount and protection of sales area provided to our distributor.
7.packing can make client brand.
8.Good after-sale service
HangZhousun Rubber & Plastic Technology Co.,Ltd is 1 of the earliest professional manufacturer of rubber & plastic products factories. Our company specializes in producing and developing kinds of rubber and plastic products more than 10 years.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally 3-7 days for standard sealing products; and 15-20 days for big order and custom non-standard products.
Q: Do you provide free samples?
A: Yes, we offer free sample while customer need pay for the freight charge.
Q: Which Payment way is workable?
A: Irrevocable L/C, Cash, PayPal, Credit card and T/T money transfers.
B: 30% T/T deposit in advance, 70% balance before shipment after presentation of ready cargo.
C: L/C ( Irrevocable LC at sight: Order amount over USD10,000)
Q: What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.
Q: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.
Q: Can you supply different color materials?
A: Yes, we can produce custom CHINAMFG and silicone rubber products in different colors, the color code will be required in case of an order.
Q: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, VITON(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.
Add:Xinzhuang Industrial Park,Xihu (West Lake) Dis.g Town,Xihu (West Lake) Dis. District,HangZhou,China
Can flexible couplings be used in heavy-duty applications such as mining and construction?
Yes, flexible couplings can be used in heavy-duty applications such as mining and construction, where the equipment operates under challenging conditions and encounters high loads, vibrations, and misalignments. Flexible couplings offer several advantages that make them suitable for these demanding environments:
- Misalignment Compensation: Heavy-duty equipment in mining and construction may experience misalignment due to the rough terrain, uneven surfaces, or heavy loads. Flexible couplings can handle both angular and parallel misalignment, ensuring smooth power transmission even in these adverse conditions.
- Shock and Vibration Absorption: Mining and construction operations often involve high-impact loads and vibrations. Flexible couplings can dampen and absorb these shocks, protecting the connected components from damage and reducing wear and tear on the equipment.
- Torsional Stiffness: While flexible couplings are designed to accommodate misalignment, they still maintain a certain level of torsional stiffness to transmit torque efficiently. This is crucial in heavy-duty applications, where high torque is required to drive the machinery.
- Corrosion and Contamination Resistance: In mining and construction environments, equipment may be exposed to dust, dirt, water, and chemicals. Flexible couplings made from corrosion-resistant materials can withstand these harsh conditions, ensuring reliable performance and longevity.
- High Torque Transmission: Heavy-duty machinery often requires high torque transmission between the driving and driven components. Flexible couplings are capable of transmitting high torque efficiently, which is essential for the operation of large-scale equipment.
- Reduced Downtime: The robustness and reliability of flexible couplings in heavy-duty applications contribute to reduced downtime. By minimizing the impact of misalignment, shocks, and vibrations, flexible couplings help prevent unexpected breakdowns and maintenance issues.
When selecting a flexible coupling for heavy-duty applications, it’s important to consider the specific requirements of the machinery and the operating conditions. Factors such as the type of equipment, torque and speed requirements, environmental conditions, and expected loads should be taken into account.
Overall, flexible couplings are a versatile solution for power transmission in heavy-duty applications, providing the necessary flexibility, durability, and performance to withstand the challenges posed by the mining and construction industries.
What are the differences between single and double flexible coupling designs?
Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:
- Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
- Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
- Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
- Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
- Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
- Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
- Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.
Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.
What are the maintenance requirements for flexible couplings?
Maintenance of flexible couplings is essential to ensure their reliable and efficient performance over their service life. Proper maintenance helps prevent premature wear, reduces the risk of unexpected failures, and extends the lifespan of the couplings. Here are some key maintenance requirements for flexible couplings:
- Regular Inspection: Perform regular visual inspections of the flexible couplings to check for signs of wear, damage, or misalignment. Look for cracks, tears, or any other visible issues in the coupling components.
- Lubrication: Some flexible couplings, especially those with moving parts or sliding surfaces, may require periodic lubrication. Follow the manufacturer’s recommendations regarding the type and frequency of lubrication to ensure smooth operation.
- Alignment Checks: Misalignment is a common cause of coupling failure. Regularly check the alignment of the connected shafts and adjust as necessary. Proper alignment reduces stress on the coupling and improves power transmission efficiency.
- Torque Monitoring: Monitoring the torque transmitted through the coupling can help detect any abnormal or excessive loads. If the coupling is subjected to loads beyond its rated capacity, it may lead to premature failure.
- Environmental Protection: If the couplings are exposed to harsh environmental conditions, take measures to protect them from dust, dirt, moisture, and corrosive substances. Consider using protective covers or seals to shield the couplings from potential contaminants.
- Temperature Considerations: Ensure that the operating temperature of the flexible coupling is within its designed range. Excessive heat can accelerate wear, while extremely low temperatures may affect the flexibility of certain coupling materials.
- Replace Worn or Damaged Parts: If any components of the flexible coupling show signs of wear or damage, replace them promptly with genuine replacement parts from the manufacturer.
- Manufacturer’s Guidelines: Follow the maintenance guidelines provided by the coupling manufacturer. They often include specific maintenance intervals and procedures tailored to the coupling’s design and materials.
- Training and Expertise: Ensure that maintenance personnel have the necessary training and expertise to inspect and maintain the flexible couplings properly. Improper maintenance practices can lead to further issues and compromise the coupling’s performance.
By adhering to these maintenance requirements, you can maximize the service life of the flexible couplings and minimize the risk of unexpected downtime or costly repairs. Regular maintenance helps maintain the efficiency and reliability of the coupling in various industrial, automotive, and machinery applications.
editor by CX 2023-10-08