Product Description
Classical Wrapped Rubber Vee Belt, V-Belt, V Belt
Features of rubber V belt
Poly rib belts incorporate the benefits of flat transmission belts and banded V-belts,with small bending stress and centrifugal stress loss,high transmissi efficiency.They apply to multiple shaft large power high-speed systems such as automotive engines
Marking:
Poly rib belts are divided into industrial poly rib belts with PH,PJ,PK,PL and PM
PH,PJ,PK,PL,PM;models and automotive poly rib belts of the PK model only.
Technical data:
| type | pb | Rb(min) | Rt(max) | height | angle | Length range |
| PH | 1.60 | 0.30 | 0.15 | 2.80~3.0 | 40° | / |
| PJ | 2.34 | 0.40 | 0.20 | 3.7~4.1 | 40° | 13″-120″ |
| PK | 3.56 | 0.50 | 0.25 | 4.2~4.5 | 40° | 22″-120″ |
| PL | 4.70 | 0.40 | 0.40 | 6.8~7.2 | 40° | 50″-160″ |
| PM | 9.40 | 0.75 | 0.75 | 15.5~16.0 | 40° | 100″-160″ |
Classical wrapped V-belts feature high strength,low protraction,small matching tolerance and a fatigue endurance limit of over 107 times.
The marking of classical wrapped V-belts represend both the inside length and pitch length of factory V-belt.The length conversion table is available for conversion between various models.
1. Are you factory?
Yes, Hyrubebrs Co., Ltd is subsidiary of Hyrubbers Group Limited. HYRUBBERS is the leading manufacturer of rubber sheet. We enjoy a nice reputation as (There is nothing in our world more than your business.”
2. Where is your factory?
HangZhou, ZheJiang , China. Welcome to visit our factory.
3. How many years experience you have?
We have 17 years experience on rubber sheet since 1999.
4. How many staffs of your factory?
Our factory has over 260 staffs including 3 engineers and 10 technicians.
5. What is your annual capacity?
72000tons per year
6. Can you accept OEM ?
Yes, OEM is acceptable.
7. How do you ensure the quality?
We have strict QC process:
1). For raw material;
2). During the half of production;
3). Final QC before shipment
More details please review production details.
8. Can I order one piece for sample to test the quality?
Yes, the samples are free. Express cost are on buyer side.
9. What’s the delivery time?
For a 20feet container is about 15days.
10. What’s your MOQ (minimum order quantity)?
1) 20foot container’s quantity. (abt. 25000kgs)
2) Trial order is acceptable for the first time.
11. What is the payment terms?
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Trade terms |
EXW,FOB,CNF(CFR),CIF, DDU |
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Payment terms |
TT |
30% before production begins, 70% against the copy Of B/L. |
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L/C |
L/C at sight, amount below US$50,000.00 |
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L/C amount above US$100,000.00, we can accept long term payment against different interests |
L/C 30days with 1.9% interests LC amount |
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L/C 60days with 2.8% interests LC amount |
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L/C 90days with 4.5% interests LC amount |
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L/C 180days with 6.5% interests LC amount |
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L/C 360days with 7.6% interests LC amount |
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D/P |
TT 30% in advance, 70% D/P at sight |
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Accept payments from PayPal, Western Union, Bank Transfer |
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| Type: | V Belt |
|---|---|
| Feature: | Wear-resistant, Heat-resistant, Tear-resistant, Flame-resistant, Cold-resistant |
| Usage: | Transport The Power |
| Performance: | Automotive Sealing Strip |
| Rubber Belt: | V Belt |
| Material: | Rubber |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
|---|
Are there any specific guidelines for aligning pulleys and V-belts?
Proper alignment between pulleys and V-belts is essential to ensure smooth operation, minimize wear, and maximize the efficiency of the belt drive system. Here are some specific guidelines for aligning pulleys and V-belts:
- Parallel Alignment:
- Angular Alignment:
- Alignment Tools:
- Adjustment Methods:
- Regular Inspections:
- Manufacturer Recommendations:
The pulleys should be aligned parallel to each other, meaning that the axes of the pulleys should be in the same plane. This ensures that the V-belt runs straight and evenly between the pulleys. Misalignment can cause the belt to run at an angle, leading to increased wear and reduced efficiency.
In addition to parallel alignment, the pulleys should be aligned angularly. This means that the pulley faces should be perpendicular to the belt’s direction of travel. Angular misalignment can cause the belt to twist and create uneven tension, resulting in increased wear and potential belt failure.
To achieve proper alignment, various alignment tools can be used, such as straightedges, laser alignment tools, or alignment software. These tools help in measuring and adjusting the alignment of pulleys, ensuring precise parallel and angular alignment.
To adjust the alignment of pulleys, different methods can be employed. Common adjustment methods include shimming, moving the pulley on its shaft, or using adjustable pulleys. The specific method depends on the type of pulley and the adjustment capabilities of the system.
Regular inspections are crucial to identify and correct any misalignment issues promptly. Inspect the pulleys visually and check for any signs of misalignment, such as uneven belt wear, belt tracking issues, or abnormal belt noise. If misalignment is detected, take corrective measures to realign the pulleys.
Always refer to the manufacturer’s guidelines and specifications for pulley alignment. Manufacturers often provide specific alignment tolerances and recommendations for their products, considering factors such as belt type, load, and operating conditions. Follow these recommendations to ensure proper alignment and optimize the performance of the belt drive system.
By following these guidelines for aligning pulleys and V-belts, you can minimize wear, reduce the risk of belt failure, and maximize the efficiency and lifespan of the belt drive system.
Can V-belts be used in high-speed or heavy-duty applications?
V-belts are versatile power transmission belts that can be used in a wide range of applications, including high-speed and heavy-duty applications, depending on the specific design, construction, and material of the V-belt. Here’s a detailed explanation:
High-speed applications:
V-belts are capable of transmitting power efficiently at various speeds. However, the speed limitations of V-belts depend on factors such as the belt’s design, material, and construction. Traditional V-belts, also known as classical V-belts, are generally suitable for moderate to high-speed applications but may have limitations at extremely high speeds due to centrifugal forces and heat generation.
For high-speed applications, specialized V-belt designs, such as high-speed V-belts or narrow V-belts, are available. These belts are designed to reduce heat buildup and minimize the effects of centrifugal forces, allowing them to operate effectively at higher speeds. It is important to consult the manufacturer’s specifications and recommendations to select the appropriate V-belt for high-speed applications.
Heavy-duty applications:
V-belts can also be used in heavy-duty applications that require the transmission of high torque or power. Heavy-duty V-belts, also known as industrial or agricultural V-belts, are specifically designed to handle heavy loads and provide reliable power transmission in demanding conditions.
Heavy-duty V-belts are constructed using reinforced materials, such as strong fabric layers or aramid cords, to enhance strength and durability. These belts are designed to resist stretching, withstand high loads, and operate in environments with high temperatures, humidity, or exposure to chemicals.
In addition to heavy-duty V-belts, there are other belt options available for heavy-duty applications, such as cogged V-belts and synchronous belts. These belts feature specialized designs and toothed profiles that offer increased power transmission capabilities, improved grip, and enhanced resistance to slip.
When considering the use of V-belts in high-speed or heavy-duty applications, it is crucial to consult the manufacturer’s specifications, guidelines, and application recommendations. The manufacturer can provide information on the suitable V-belt types, sizes, and materials that can withstand the specific demands of the application.
Overall, V-belts can be used effectively in high-speed and heavy-duty applications, provided the appropriate type, design, and construction are selected based on the application requirements and manufacturer’s recommendations.
What are the common causes of V-belt failure and how can they be prevented?
V-belt failure can occur due to various factors, and understanding the common causes is essential for preventing premature belt failure and ensuring reliable operation. Here are some common causes of V-belt failure and preventive measures:
- Misalignment: Misalignment between the pulleys can cause excessive wear, uneven load distribution, and belt slippage. To prevent misalignment, ensure proper pulley alignment during installation and regularly inspect and adjust the pulleys as needed.
- Over-tensioning or under-tensioning: Incorrect belt tension can lead to excessive stress or slippage. Over-tensioning can cause accelerated wear, while under-tensioning can result in belt slipping and reduced power transmission. Follow the manufacturer’s recommended tension guidelines and use a tension gauge to achieve the proper tension for the specific V-belt.
- Pulley damage: Damaged or worn-out pulleys can cause belt damage and premature failure. Inspect the pulleys regularly for signs of wear, such as grooves, cracks, or deformation. Replace any damaged pulleys promptly to prevent belt damage.
- Contamination: Contaminants such as dirt, debris, oil, or chemicals can affect the belt’s grip and cause accelerated wear. Keep the belt and pulleys clean and free from contaminants. Regularly inspect the environment and implement appropriate measures to prevent contamination.
- Excessive heat: High temperatures can cause belt degradation, leading to reduced strength and increased wear. Ensure proper ventilation and cooling in the belt drive system. If the application generates excessive heat, consider using heat-resistant belts or implementing cooling measures.
- Excessive load: Overloading the V-belt beyond its capacity can cause excessive stress and lead to premature failure. Ensure the V-belt is appropriately sized for the application and consider factors such as torque, horsepower, and load requirements. If the load exceeds the belt’s capacity, consider using a higher-rated belt or alternative power transmission methods.
- Age and wear: Over time, V-belts naturally wear out and lose their effectiveness. Regularly inspect the belts for signs of wear, such as fraying, cracking, or glazing. Replace worn-out belts as part of a preventive maintenance schedule to avoid unexpected failures.
Preventive measures to reduce V-belt failure include regular inspections, proper installation, correct tensioning, pulley maintenance, cleanliness, temperature management, load monitoring, and timely replacement. Following manufacturer’s guidelines, conducting routine maintenance, and addressing any issues promptly will help extend the lifespan and reliability of V-belts in power transmission systems.
In summary, common causes of V-belt failure include misalignment, incorrect tensioning, pulley damage, contamination, excessive heat, excessive load, and age/wear. By implementing preventive measures and conducting regular maintenance, these causes can be minimized, ensuring optimal V-belt performance and longevity.
editor by CX 2024-03-01
by
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