Product Description
Wrapped V BELT
. Classical Wrapped V Belt
Features
Wrapped V-belts feature high strength, low protraction, small matching tolerance and a fatigue endurance limit of over 10 million times. Suitableall industrial light duty applications, usually using fractional horsepower motors, plant protection machinery such as lawn mowever, wool conveyror, carton packing machine andother fields requiring strict enviromental protection.
Structure
1. Cover fabric, made of cotton fabric and polyester fabric, to protect the inner parts of the belts and provide strong abrasion on the pulley groove.
2. Tension member, made of polyester and Kevlar cord, to provide the transmission power.
3. Top compression rubber, Adhesive rubber, Bottom compression rubber, made of NR, CR, SBR, to maintain the belt shape and protect tension meber adhesion.
Marking
The marking of classical wrapped V-belts represent both the inside length, pitch length of factory v belts or outer length. The length conversion label is available for conversion between various models.
Metric System: A 1321Li 1351Ld means A type, pitch length is 1351mm, and inside length is 1321mm.
Inch System: B 50 Li means B type, inside length 50 inches inner length.
. Classical Wrapped V Belt
| Type | Top width | Pitch width | Height | Angel | Length conversion | Length Range inch |
Length Range mm |
| Z | 10 | 8.5 | 6 | 40º | Li=Ld-22 | 13″-120″ | 330-3000 |
| A | 13 | 11.0 | 8 | Li=Ld-30 | 14″-394″ | 356-10000 | |
| AB | 15 | 12.5 | 9 | Li=Ld-35 | 47″-394″ | 1194-10000 | |
| B | 17 | 14.0 | 11 | Li=Ld-40 | 19″-600″ | 483-15000 | |
| BC | 20 | 17.0 | 12.5 | Li=Ld-48 | 47″-394″ | 1194-10008 | |
| C | 22 | 19.0 | 14 | Li=Ld-58 | 29″-600″ | 737-15240 | |
| CD | 25 | 21.0 | 16 | Li=Ld-61 | 47″-394″ | 1194-10008 | |
| D | 32 | 27.0 | 19 | Li=Ld-75 | 80″-600″ | 2032-15240 | |
| E | 38 | 32.0 | 23 | Li=Ld-80 | 118″-600″ | 2997-15240 | |
| F | 50 | 42.5 | 30 | Li=Ld-120 | 177″-600″ | 4500-15240 |
Special Sections
| Type | Top Width mm | Thickness mm | Angle | Type | Top Width mm | Thickness mm | Angle |
| 3L | 9.8 | 5.6 | 40 | K | 8 | 6 | 40 |
| 4L | 12.7 | 8 | 40 | D22 | 14 | 7.5 | 40 |
| 5L | 16.8 | 10.5 | 40 | D24 | 14 | 8 | 40 |
| Y | 6 | 4 | 40 | D32 | 32 | 16 | 40 |
| MF | 9.5 | 8 | 40 | D20 | 20 | 12.5 | 40 |
. Wedge Wrapped V Belt
Wedge/narrow wrapped v belt feature high transverse strength, warping strength, large transmission power 50-80% than classical wrapped v belt, transmission limit speed of 40m/s and transmission efficiency of more than 95%.
| Type | Top Width | Pitch Width | Height | Angle | Length Coversion | Length Range Inch | Length Range mm |
| 3V/9N | 9.5 | – | 8.0 | 40 | La=Li+50 | 16″-200″ | 406-5080 |
| 5V/15N | 16.0 | – | 13.5 | 40 | La=Li+82 | 44″-394″ | 1100-10008 |
| 8V/25N | 25.5 | – | 23.0 | 40 | La=Li+144 | 75″-600″ | 1905*15240 |
| SPZ | 10.0 | 8.0 | 8.0 | 40 | La=Li+50 | 16″-200″ | 406-5080 |
| SPA | 13.0 | 11.0 | 10.0 | 40 | La=Li+63 | 23″-200″ | 600-5080 |
| SPB | 17.0 | 14.0 | 14.0 | 40 | La=Li+88 | 44″-394″ | 1118-10008 |
| SPC | 22.0 | 19.0 | 19.0 | 40 | La=Li+113 | 71″-600″ | 1800-15240 |
Example of Marking
SPA 2250La / 2232Ld, Type is SPA, Outer length is 2250mm, Pitch length is 2232mm
5V 900 / 15N2286La, Type is 5V / 15N, Imperial outerside length is 90 inches, Metric outside length is 2286mm.
Application
Crushers, compressors, blending systems, combine harvesters, choopers, launmowers, scarifiers,
. Banded V Belt
Banded v belt works for heavy duty industrial machinery and equipment with high strength, durability and performance.
. Agricultural V Belt & Hexagonal Belt
The other series rubber belts available:
Raw edged /Cogged V Belt, Ribbed / Poly V Belt, Timing / Synchronous Belt, Elevator Belt, Flat Transmission Belt, Conveyor Belt, etc
Material:
Production & Mould
Testing & Laboratory
Packing & Delivery
FAQ
Q1. Can I have a sample order?
Yes, any sample order is welcome to know the quality of our products.
Q2. What about the lead time of the sample or the final order?
2-5 days for normal sample.
25-40 days for a formal order.
Q3. How much is the minimum quantity for each item in 1 order?
One CZPT quantity is ok. Usually around 50pcs for small item, 10pcs for big item.
Q4. Is it possible to print our logo or brand on the belt?
Yes, we can print your logo or design on the belt after receipt of your formal authorization letter of the logo or your brand.
Q5. Do you offer the guarantee for your product?
Yes, usually we offer 1 year warranty for all of our products.
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| Standard or Nonstandard: | Standard |
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| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car |
| Feature: | Anti-Static, Oil-Resistant, Heat-Resistant, Wear-Resistant, High Temperature-Resistance |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What role do materials and coatings play in the performance and longevity of V-belt tensioners?
Materials and coatings play a significant role in the performance and longevity of V-belt tensioners. The choice of materials and the application of appropriate coatings can greatly impact the durability, reliability, and overall effectiveness of the tensioners. Here’s a detailed explanation of the role materials and coatings play in the performance and longevity of V-belt tensioners:
- Material Selection:
- Coatings:
- Zinc or Chrome Plating: These coatings provide excellent corrosion resistance, protecting the tensioner from environmental factors, such as moisture and chemicals. They also enhance the aesthetic appearance of the tensioner.
- Powder Coating: Powder coating is a durable and long-lasting coating option that provides corrosion resistance and improved wear resistance. It can also offer a variety of color options to match specific design requirements.
- Teflon or PTFE Coating: Teflon or PTFE (Polytetrafluoroethylene) coatings offer low friction properties, reducing wear and extending the life of the tensioner. These coatings are particularly useful in applications where minimizing friction and energy losses are critical.
- Ceramic Coating: Ceramic coatings provide excellent hardness and wear resistance. They are often used in high-performance applications where the tensioner is subjected to severe wear and abrasive conditions.
- Benefits for Performance and Longevity:
- Increased Wear Resistance: High-quality materials and coatings can significantly improve the wear resistance of tensioners, reducing the rate of wear and extending their service life. This is particularly important in applications with high belt speeds, heavy loads, or abrasive environments.
- Enhanced Corrosion Protection: Coatings, such as zinc or chrome plating, provide effective corrosion protection, preventing rust and degradation of the tensioner in humid or corrosive environments.
- Reduced Friction: Coatings, such as Teflon or PTFE, reduce friction between the tensioner and the belt, minimizing heat generation and energy losses. This improves the efficiency of the V-belt system and reduces wear on both the tensioner and the belt.
- Improved Surface Hardness: Coatings, such as ceramic coatings, enhance the surface hardness of tensioners, making them more resistant to wear and abrasion. This results in longer-lasting tensioners that can withstand demanding operating conditions.
The selection of materials for V-belt tensioners is crucial as they need to withstand the demanding operating conditions encountered in V-belt systems. High-quality materials with excellent mechanical properties, such as strength, hardness, and wear resistance, are typically chosen. Common materials used for tensioners include metals, such as steel or cast iron, and advanced polymers, such as thermoplastics or thermosetting plastics.
Metal tensioners offer high strength and rigidity, making them suitable for heavy-duty applications with high tension loads. They are also resistant to temperature variations and provide stability under demanding conditions. Polymer tensioners, on the other hand, offer advantages such as lightweight, corrosion resistance, and reduced noise and vibration transmission. The choice between metal and polymer materials depends on the specific requirements of the V-belt system and the operating environment.
Coatings are often applied to the surfaces of V-belt tensioners to enhance their performance and extend their longevity. Coatings provide several benefits, such as improved wear resistance, corrosion protection, reduced friction, and enhanced surface hardness. Here are some commonly used coatings for V-belt tensioners:
The choice of materials and coatings in V-belt tensioners directly impacts their performance and longevity. Here are the key benefits they provide:
In summary, materials and coatings play a vital role in the performance and longevity of V-belt tensioners. The selection of high-quality materials and appropriate coatings ensures that tensioners can withstand the rigors of V-belt systems, resist wear and corrosion, reduce friction, and maintain their effectiveness over an extended service life. Considering the specific requirements of the application and the operating environment, manufacturers choose materials and coatings that optimize the performance and longevity of V-belt tensioners, ultimately contributing to the reliable operation of the V-belt system.
How do innovations and advancements in V-belt tensioner technology impact their use?
Innovations and advancements in V-belt tensioner technology have a significant impact on their use, leading to improved performance, increased reliability, and enhanced efficiency in various applications. Here’s a detailed explanation of how innovations and advancements in V-belt tensioner technology impact their use:
- Enhanced Tensioning Mechanisms:
- Increased Durability and Reliability:
- Reduced Friction and Energy Losses:
- Integration of Diagnostic and Monitoring Features:
- Application-Specific Customization:
New technologies and design innovations have led to the development of enhanced tensioning mechanisms in V-belt tensioners. These mechanisms offer improved accuracy and consistency in applying the desired tension force to the belts. Advanced tensioner designs may incorporate features such as self-adjusting mechanisms, automatic tension control, or adaptive tensioning systems. These advancements simplify the tensioning process, reduce manual adjustments, and ensure optimal tension levels, leading to improved system performance and reduced maintenance requirements.
Advancements in materials, manufacturing processes, and engineering techniques have resulted in V-belt tensioners with increased durability and reliability. New materials with improved strength and wear resistance, such as advanced polymers or specialized alloys, are being utilized in tensioner construction. Additionally, innovative manufacturing methods allow for tighter tolerances, precise assembly, and better overall quality control. These advancements result in tensioners that can withstand higher loads, resist wear and fatigue, and operate reliably even in demanding environments, enhancing the longevity and reliability of V-belt systems.
New technologies and advancements in V-belt tensioner design have focused on reducing friction and energy losses during power transmission. Friction-reducing coatings, specialized bearing systems, and optimized contact surfaces are employed to minimize energy losses due to belt-pulley interaction. These advancements result in improved power transmission efficiency, reduced heat generation, and lower energy consumption. By reducing friction and energy losses, innovative tensioner technologies contribute to energy savings, lower operating costs, and improved overall system efficiency.
Advancements in V-belt tensioner technology include the integration of diagnostic and monitoring features. Tensioners may incorporate sensors or indicators that provide real-time data on tension levels, belt wear, or system performance. This allows users to monitor the condition of the tensioner and the entire power transmission system, enabling proactive maintenance and preventing unexpected failures. Diagnostic and monitoring capabilities enhance system reliability, optimize maintenance schedules, and reduce downtime, leading to improved operational efficiency.
Advancements in V-belt tensioner technology have facilitated application-specific customization. Manufacturers can now design tensioners to meet the unique requirements of different industries and applications. Customizable features include tensioning force, size, mounting options, and specialized coatings. This flexibility allows for better integration into specific systems, addressing space constraints, load demands, and environmental conditions. Application-specific customization improves overall system performance, reliability, and compatibility.
In summary, innovations and advancements in V-belt tensioner technology have a profound impact on their use. Enhanced tensioning mechanisms, increased durability and reliability, reduced friction and energy losses, integration of diagnostic and monitoring features, and application-specific customization all contribute to improved performance, reliability, efficiency, and compatibility. These advancements enable more efficient power transmission, longer service life, reduced maintenance requirements, and enhanced overall performance of V-belt systems in various industrial and automotive applications.
How do V-belt tensioners differ from other types of belt tensioners in terms of design and application?
V-belt tensioners differ from other types of belt tensioners in terms of their design and application. While there are various types of belt tensioners used in different systems, V-belt tensioners are specifically designed to accommodate the unique characteristics and requirements of V-belt systems. Here’s a detailed explanation of how V-belt tensioners differ from other types of belt tensioners:
- Design:
- Application:
- Tensioning Mechanism:
- Belt Compatibility:
- System Performance:
V-belt tensioners are designed to work specifically with V-belt systems, which use trapezoidal-shaped belts and pulleys. The tensioner is typically a pulley or an assembly of pulleys mounted on an adjustable arm or a spring-loaded mechanism. The pulley(s) in a V-belt tensioner have a V-shaped groove that matches the profile of the V-belt, allowing the belt to fit securely and maintain proper tension. The design of V-belt tensioners takes into account the shape, geometry, and dimensions of V-belts, ensuring effective tensioning and reliable power transmission.
V-belt tensioners are primarily used in systems that utilize V-belts, such as automotive engines, industrial machinery, and power transmission systems. V-belts are commonly employed in applications where high torque transmission is required, and they are known for their efficiency, durability, and ability to handle heavy loads. V-belt tensioners are specifically designed to address the unique requirements of these V-belt systems. They provide the necessary tension to keep the V-belt properly tensioned, prevent slippage, distribute the load evenly, and maintain reliable power transmission.
The tensioning mechanism in V-belt tensioners differs from those used in other types of belt tensioners. V-belt tensioners often incorporate an adjustable arm or a spring-loaded mechanism to apply and maintain the appropriate tension in the V-belt. The tensioner compensates for changes in belt length due to wear, thermal expansion, or other factors, ensuring that the V-belt operates within its optimal tension range. The tensioning mechanism in V-belt tensioners allows for easy adjustment and precise control of the tension, accommodating the specific requirements of V-belt systems.
V-belt tensioners are designed to be compatible with V-belts, which have a trapezoidal cross-section. The V-shaped groove in the tensioner pulley matches the profile of the V-belt, allowing for proper belt engagement and tensioning. Other types of belt tensioners, such as flat belt tensioners or timing belt tensioners, have different designs to accommodate the specific characteristics of their respective belts. The compatibility between V-belt tensioners and V-belts ensures optimal performance, reliable power transmission, and longevity of the belt and the system.
The design and application of V-belt tensioners contribute to the overall performance of V-belt systems. V-belt tensioners help maintain proper tension, prevent slippage, distribute the load evenly, and promote efficient power transmission. These characteristics are crucial for V-belt systems that require reliable and high-torque power transfer. Other types of belt tensioners, designed for different belt systems, may have different features and functions that cater to the specific requirements of those systems. The design of V-belt tensioners is optimized to enhance the performance and longevity of V-belt systems in their intended applications.
In summary, V-belt tensioners differ from other types of belt tensioners in terms of their design and application. They are specifically designed to work with V-belt systems, featuring pulleys with V-shaped grooves to accommodate the trapezoidal-shaped V-belts. V-belt tensioners incorporate adjustable arms or spring-loaded mechanisms to provide and maintain the necessary tension in the V-belt. They are primarily used in applications that require V-belts, such as automotive engines and industrial machinery. The design and application of V-belt tensioners are optimized to ensure proper tensioning, prevent slippage, distribute the load evenly, and enhance the performance of V-belt systems.
editor by CX 2024-03-07
China high quality U Groove Plastic Pulley Bearing (ML-AU013) with Best Sales
Product Description
Product Description
1. Item No.: as shown in the picture.
2. Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3. For some models, the height of the roller is adjustable.
4. Color of the wheel: red, green, white, orange, etc.
5. Application: sliding door and window, binds, rolling shutters, furniture, conveyor belt, etc.
6. Normal packing: poly bag + outer carton
About us
Our factory is specialized in manufacturing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a series of advanced processing equipments, skilled workers, strict inspection system, and organized management, we are able to provide good-quality products with competitive price.
Product Categories
Contact Us:
HangZhou CZPT Pulley Manufacture Co., Ltd.
WEB: http://nbminli /
ADDRESS: No.9 CZPT Road, CZPT Industrial Zone, Xihu (West Lake) Dis. District, HangZhou, China
FAQ
Q: How to get a quotation and start business relationship with your company?
A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc.
Q: How to start an OEM project with your company?
A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit .
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.’
Why choose us
1. Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2. Popular over the world: over 20 market countries.
3. Advantage: good quality with competitive price.
4. OEM offered: technical drawings, samples or photos are needed.
For more information, please visit http://nbminli /
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small (28-55mm) |
| Material: | Bearing Steel |
| Load Direction: | Radial Bearing |
| Separated: | Separated |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Overview of Different Types of Pulleys
A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
Pulley System Mechanics
There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.
Types of pulleys
Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of one pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.
Mechanical Advantages of Pulley Systems
A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
Considerations when designing and installing a pulley system
The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.
Add more pulleys to the system
Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into one housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.
cast iron pulley
Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of one inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
timing pulley
Plastic timing pulleys have many advantages over steel timing pulleys. On the one hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least one of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.
editor by CX
2023-07-12
China supplier Single Bearing Single Sheave Pulley with International Bracket supplier
Product Description
Single Bearing Trapezoid Gate Wheel
| Model | A | B | C | D | E | Weight (Y) Units:g |
Weight (U) Units:g |
Weight (V) Units:g |
| 30×11 | 35 | 11 | 30 | 45 | 17 | * | * | 63 |
| 40×14 | 45 | 14 | 38 | 75 | 25 | 192 | 185 | 194 |
| 50×15 | 55 | 15 | 48 | 75 | 25 | 253 | 244 | 263 |
| 50×15 | 60 | 15 | 48 | 85 | 30 | 303 | 292 | 302 |
| 60×17 | 65 | 20 | 58 | 85 | 30 | 400 | 395 | 410 |
| 70×20 | 80 | 20 | 68 | 100 | 35 | 640 | 640 | 665 |
| 80×20 | 85 | 20 | 48 | 100 | 35 | 805 | 785 | 825 |
| 90×20 | 100 | 20 | 88 | 133 | 35 | 1130 | 1121 | 1145 |
| 100×20 | 105 | 20 | 98 | 133 | 35 | 1350 | 1338 | 1363 |
| The data is measured by hand, maybe there are some errors, just for reference. | ||||||||
Double Bearing Gate Wheel
| Model | A | B | C | D | E | Weight(Y) | Weight(U) |
| 50MM | 55 | 26 | 48 | 85 | 30 | 324 | 320 |
| 60MM | 65 | 30 | 58 | 85 | 30 | 617 | 580 |
| 70MM | 80 | 32 | 68 | 100 | 35 | 977 | 954 |
| 80MM | 85 | 32 | 48 | 100 | 35 | 1260 | 1223 |
| 90MM | 100 | 32 | 88 | 133 | 35 | 1788 | 1760 |
| 100MM | 105 | 32 | 98 | 133 | 35 | 2100 | 2078 |
| The data is measured by hand, maybe there are some errors, just for reference. | |||||||
Laminated Gate Wheel
| Model | A | B | C | D | Weight(Y/V) | Weight(U) |
| 50mm | 48 | 15 | 100 | 26 | 260 | 250 |
| 60mm | 58 | 17 | 100 | 26 | 390 | 360 |
| 70mm | 68 | 20 | 136 | 33 | 590 | 570 |
| 80mm | 78 | 20 | 136 | 33 | 750 | 725 |
| 90mm | 88 | 20 | 152 | 33 | 1060 | 1030 |
| 100mm | 98 | 20 | 152 | 33 | 1265 | 1225 |
| The data is measured by hand, maybe there are some errors, just for reference. | ||||||
Hang Gate Wheel
| Model | A | B | C | D | E | F | G | H | I |
| H25 | 51 | 25 | M9*50 | 9 | 95 | 79 | 25 | 6 | 27 |
| H38 | 86 | 38 | M12*70 | 11 | 120 | 118 | 38 | 10 | 32 |
| H55 | 115 | 55 | M20*85 | 14 | 140 | 159 | 44 | 10 | 15 |
| The data is measured by hand, maybe there are some errors, just for reference. | |||||||||
Triangle Gate Wheels/ Rotation Gate Wheels/ Hanging Wheels/ White Zinc Gate Wheels/ Doule Wheels Double Bearing Gate Wheel
We have already had nealy a decade producting and exporting experience. Since 2014, we have sold our products to dozens of countries all around the world. And we have established a deep cooperative relationship with many customers.
We make our products with heart, strive to bring the best quality for customers. So we got a lot of customer approval. After that, we will also strictly control, down-to-earth, and forge ahead.
1.ZheJiang Joinwin Hardware and Tools Co., Ltd. we have 10 years manufacturing and exporting experience which ranks among the best in China. Mainly sales pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand tools.
2.Located in HangZhou where is just 180km far from HangZhou Port and many raw material factories around, greatly reduces transportation and procurement costs.
3.We have professional sales and engineers to provide satisfied service to clients. Our company covers an area of 1000 square meters, has the most advanced production equipment and technology.
4.Customer first, team work, embrace change, sincere are our company culture.
5.We aim to provide clients more safety and convenient life.
Pliers Adjustable Wrench Combination Spanners Hammers Pruner Scissors Aviation Tin Snips
Screwdrivers Padlocks Hand Saws Axe Silicone Sealant
Q1: Can I get a sample?
A1: Yes, the samples are usually free for customers.
Q2: Can you provide OEM service?
A2: Yes, we can produce the goods according to clients’ demands.
Q3: How can you guarantee the quality?
A3: We have advanced equipment and professional engineer and quality inspector to ensure the quality of the goods. And we will send extra goods for insurance. Besides, we have satisfied after-service.
Q4: What is the MOQ?
A4: 500 PCS.
Q5: How long you will finish my order?
A5: Totally in 30 days. (The specific situation depends on the production schedule of the production department.)
| After-sales Service: | Online Technical Guidance |
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| Warranty: | Online Technical Guidance |
| Certification: | CE |
| Splittable: | Splittable |
| Surface Treatment: | Zinc Plated |
| Material: | Metal |
| Samples: |
US$ 0.01/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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Overview of Different Types of Pulleys
A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
Pulley System Mechanics
There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.
Types of pulleys
Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of one pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.
Mechanical Advantages of Pulley Systems
A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
Considerations when designing and installing a pulley system
The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.
Add more pulleys to the system
Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into one housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.
cast iron pulley
Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of one inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
timing pulley
Plastic timing pulleys have many advantages over steel timing pulleys. On the one hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least one of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.
editor by CX
2023-05-30
China Custom Manufacturer′ S Direct Selling R-Groove Bearing Pulley R0830-8.5 Rubber Coated Bearing Door and Window Movable Pulley crankshaft pulley
Product Description
Product Description
Product Name: Sliding Roller HN-R 0571 -8.5
Dimensions: ID=8mm; OD=30mm; Height=8.5mm
Outside Material: Polyformaldehyde (POM), Polyamide(PA6, PA66, Nylon), Polypropylene(PP), Polycarbonate(PC), Polyurethane(PU)
Insert Material: Carbon Steel, Chrome Steel, Stainless Steel
Color: All colors available
Profile Type:R Groove
Surface Treatment: Lathing
Structure: HN-625ZZ(ID=8mm, OD=30mm, Width=8.5mm)bearing injected with POM
Service: OEM&ODM
Experience: With 15 years manufacturing history
Adventage:
1) Built-in precise micro bearing;
2) Low noise, elegant performance and rolling smoothly;
3) Superior in quality and moderate in price;
4) We can supply both standard products and customized items according to the customers’ special requirements.
5) We can provide free samples for your reference.
| Item No. | Door and Window Plastic Bearing Pulley |
| Dimensions | OEM ODM |
| Material | Bearing -Chrome steel, carbon steel, stainless steel Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting |
| Color | Original/black/white/Red/ Green/ Orange, or per customers’ requirement |
| Surface Treatment | Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment |
| Features | heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc. |
| Application | Sliding window and door, Sliding accessories, furniture accessories etc. |
| Packaing | Foil bag+Neutral Carton+Pallet, or per customers’ requirement |
| MOQ | 1000 pcs |
| Lead Time | According to the order q’ty |
| OEM& ODM | Technical drawing or sample is needed |
Payment & Packaging &Delivery:
Payment Terms:
1) 100% T/T
2) 30% T/T in advance, 70% against copy of BL
3) Paypal
Packaging Details: Standard export packing (Plastic bag, cartons and pallets or wooden case);
As customers’ requirement
Delivery Port: HangZhou / ZheJiang
Delivery Time: Normally ready goods and stock within 30 days or as the customer’s request
PS: 1) material and color can according to customers’ requirement.
2) we can make different size as per customers’ requirement.
Company Profile
FAQ
Q: Are you the manufacturer?
A: Yes, we are a professional manufacturer focused on door and window roller pulleys for over 15 years.
Q: Do you offer free samples?
A: Yes, we are very glad to offer free samples for you to check the quality.
Q: Can we make our own color box?
A: Yes, if the order quantity reaches 1000 sets, we can make a customized color box for you.
Q: Can we print our logo on the products?
A: Yes, we can print your logo on the products according to your design.
Q: How does your factory do regarding quality control?
A: 80% of the staff has 10 years experience, a mature skilled technical team, and a complete quality management system to ensure high quality.
Q: What is the after-sale service for the sliding rollers?
A: We have online technical support. If it is a quality problem, we will replace the broken ones with new ones.
Q: How long is the production time?
A: For samples in stock, shipped in 2 days. if not in stock, the lead time is in 7 days. For mass production, the lead time is around 15 days after receiving the deposit payment.
Q: How about the shipment?
A: For small orders, we can ship them by DHL, FedEx, UPS, TNT, etc. For mass production orders, we can ship them by sea or by air.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated|
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| Contact Angle: | / |
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| Aligning: | Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Calculate the ideal mechanical advantage of pulleys
The basic equations for pulleys can be found in this article. It will also cover the different types of pulleys, the ideal mechanical advantages of pulleys, and some common uses of pulley systems. Read on to learn more! After all, a pulley is a simple mechanical device that changes the direction of a force. Learn more about pulleys and their common uses in engineering.
pulley basic equation
Pulleys work the same way as gravity, so they should withstand similar forces. Newton’s laws of motion can be used to calculate the forces in a pulley system. The second law of motion applies to forces and accelerations. Similar to this is Newton’s third law, which states that the directions of forces are equal and opposite. The fourth law dictates the direction of force. The Fifth Law states that tension is in equilibrium with gravity.
A pulley is a simple mechanism that transmits force by changing direction. They are generally considered to have negligible mass and friction, but this is only an approximation. Pulleys have different uses, from sailboats to farms and large construction cranes. In fact, they are the most versatile mechanisms in any system. Some of their most common applications and equations are listed below.
For example, consider two masses m. Those of mass m will be connected by pulleys. The static friction coefficient of the left stop is ms1, and the static friction coefficient of the right stop is ms2. A no-slip equation will contain multiple inequalities. If the two blocks are considered to be connected by a pulley, the coefficient of kinetic friction is mk. In other words, the weight of each block carries the same mass, but in the opposite direction.
Types of pulleys
A pulley is a device used to pull and push objects. Pulley systems are ropes, cables, belts or chains. The “drive pulley” is attached to the shaft and moves the driven pulley. They are available in a variety of sizes, and the larger they are, the higher the speed of power transmission. Alternatively, use small pulleys for smaller applications.
Two-wheel pulleys have two mechanical advantages. The greater the mechanical advantage, the less force is required to move the object. More wheels lift more weight, but smaller pulleys require less force. In a two-wheel pulley system, the rope is wound around two axles and a fixed surface. As you pull on the rope, the shafts above slowly come together.
Compound pulleys have two or more rope segments that are pulled up on the load. The mechanical advantage of compound pulleys depends on the number of rope segments and how they are arranged. This type of pulley can increase the force by changing the direction of the rope segment. There are two main types of pulleys. Composite pulleys are most commonly used in construction. The ideal mechanical advantage of pulleys is 2 or more.
Construction pulleys are a basic type. They are usually attached to wheel rails and can be lifted to great heights. Combinations of axes are also common. Construction pulleys can be raised to great heights to access materials or equipment. When used in construction, these pulleys are usually made of heavy materials such as wood or metal. They are secured with ropes or chains.
The ideal mechanical advantage of pulleys
The pulley system is a highly complex system with high mechanical advantages. Use a single pulley system to reduce the force required to lift an object by cutting it in half. The mechanical advantage increases as you add more pulleys, such as six or seven. To calculate the mechanical advantage of a pulley system, you need to count the number of rope segments between the pulleys. If the free end of the rope is facing down, don’t count it. If it’s facing up, count. Once you have your number, add it up.
The required mechanical advantage of a pulley is the number of rope segments it has to pull the load. The more rope segments, the lower the force. Therefore, the more rope segments the pulley has, the lower the force. If the rope segments are four, then the ideal mechanical advantage is four. In this case, the composite pulley quadrupled the load force.
The ideal mechanical advantage of a pulley system is the sum of the mechanical force and the force required to lift the load at its output. Typically, a single pulley system uses two ropes, and the mechanical force required to lift the load is multiplied by the two ropes. For a multi-pulley system, the number of ropes will vary, but the total energy requirement will remain the same. The friction between the rope and pulley increases the force and energy required to lift the load, so the mechanical advantage diminishes over time.
Common uses of pulley systems
A pulley system is a simple mechanical device typically used to lift heavy objects. It consists of a rotating wheel attached to a fixed shaft and a rope attached to it. When the wheel moves, the force applied by the operator is multiplied by the speed of the pulley, and the force is multiplied by the weight of the object being lifted. Common uses for pulley systems include pulling, lifting, and moving heavy objects.
The oil and petroleum industries use pulley systems in a variety of applications. Most commonly, pulleys are used in drilling operations and they are installed on top of the rig to guide the cable. The cable itself is attached to two pulleys suspended in the derrick, where they provide mechanical energy to the cable. Using a pulley system in this application provides the force needed to move the cable safely and smoothly.
The main advantage of the pulley system is that it minimizes the force required to lift an object. The force used to lift the object is multiplied by the desired mechanical advantage. The more rope segments, the lower the force required. On the other hand, a compound pulley system can have many segments. Therefore, a compound pulley system can increase the force a worker can exert on an object.
Safety Precautions to Take When Working on Pulley Systems
There are many safety precautions that should be observed when working on a pulley system. The first is to wear proper protective gear. This includes hard hats that protect you from falling objects. Also, gloves may be required. You should limit the amount of movement in the penalty area, and you should also keep the area free of unnecessary people and objects. Also, remember to wear a hard hat when working on the pulley system.
Another important safety precaution when working on a pulley system is to check the Safe Working Load (SWL) of the pulley before attaching anything. This will help you understand the maximum weight the pulley can hold. Also, consider the angle and height of the pulley system. Always use safety anchors and always remember to wear a hat when working on a pulley system.
Safe use of chain hoists requires training and experience. It is important to read the manufacturer’s manual and follow all safety precautions. If you’re not sure, you can actually inspect the hoist and look for signs of damage or tampering. Look for certifications for sprocket sets and other lifting accessories. Look for the Safe Working Load (SWL) marking on the chain hoist.
Example of a pulley system
Pulley systems are often used to lift items. It allows you to reduce the effort to lift and move the load by applying force in one direction. Pulley systems can be built and modeled to fit any type of project. This resource focuses on pulley systems and is designed to support the new GCSEs in Engineering, Design and Technology. There are also many examples of pulley systems suitable for various applications.
In the study, participants who read easy text took longer to manipulate the pulley system than those who read challenging text. In general, this suggests that participants with prior scientific experience used their cognitive abilities more effectively. Additionally, students who read simple texts spent less time planning the pulley system and more time on other tasks. However, the study did show that the time required to plan the pulley system was similar between the two groups.
In everyday life, pulley systems are used to lift various objects. Flagpoles are one of many pulley systems used to raise and lower flagpoles. They can also be used to raise and lower garage doors. Likewise, rock climbers use pulleys to help them ascend and descend. The pulley system can also be used to extend the ladder.
editor by CX
2023-05-25
