China Hot selling OEM China Factory Manufacturer Grooved Black Mc Nylon Plastic Roller Wheel / Tiny Sheave Pulley Block for Factory chain pulley

Product Description

Black Mc Nylon Wheel Roller

1.Wheel:           nylon
2.Rim:               nylon
3.Colour:          black
4.Diameter:     180-250mm
5.Bearing:         6204ZZ
6.Packing:         Paper box,wodden box

 

COMPANY INFORMATION:
Xihu (West Lake) Dis. Xihu (West Lake) Dis. Plastic Products Co., Ltd. Is a professional large-scale manufacturer of all types of polyurethane wheel, rubber wheel and roller in China. Our main products include PU wheel, rubber wheel, roller, casters and related products. Our company Located HangZhou, we enjoy convenient water, land and air transportation.

Currently, Xihu (West Lake) Dis. Xihu (West Lake) Dis. Plastic Products Co., Ltd is exported to America, France, Australia, Italy and 20 other countries and regions. Our company has always focused on research, development and innovation, In 2006, we attained RoHS and Reach certification.

Our company regards “reasonable prices, efficient production time and good after-sales service” as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.
  

ADVANTAGE:
1. hight load capacity.
2. any color can be made(white and black).
3. low rolling resistance,elastic abrasion resistant.
4. any quality nylon can be made.

SHIPPING & DELIVERY DATE:
1. 30%T/T deposit and 70% T/T CHINAMFG copy of B/L.
2. 25-30days after received the 30% deposit.
 

Q:What Is Polyurethane?

A:  Polyurethane is a synthetic material that is used in various applications in nearly every field imaginable. It is renowned for its durability and flexibility and can be produced in a number of different forms based on what it will be used for. Everything from airplane CHINAMFG to tires can be made with polyurethane.
·                                  

Q: Polyurethane Identification

A:   Polyurethane is identified as a polymer, which is basically a string of smaller molecules known as monomers. In this case, it is a string of urethane. An entire polyurethane chain consists of nitrogen, carbon and oxygen atoms double-bonded to a hydroxyl group, which is also known as an alcohol and is a bonded molecule of oxygen and hydrogen. When various other elements are added to this basic chain, the polyurethane changes, sometimes becoming a rubbery solid, liquid or even a foam.
 
Q: Polyurethane Features
A:  Polyurethane can be manufactured synthetically to have a number of different features, depending on the specific molecules that are added to its basic string of urethane molecules. Some of the more sought-after features of polyurethane are its elasticity and durability. This makes it popular for use with tires and other rubber devices that need to be strong and bendable. Polyurethane can also be made into a squishy, foam-like substance or a substance similar to glue, with the same bonding ability.

Q  Polyurethane Function

A:  Polyurethane is used in so many different fields and in so many different forms that it is 1 of the most used synthetic materials. Look around your house, and you will be able to find many things that are made of polyurethane. Much of the firmer rubber used for various reasons is polyurethane, and because as an adhesive it is water and heat resistant, it’s used in outdoor and exceptionally hot areas. It is also used in walls as extra padding, and in foam form for soundproofing.
 
Q: Warning
A: For the most part, polyurethane is not a dangerous substance–which is why there is no limit on exposure to it. However, there are times where it can let off harmful chemicals, including carbon monoxide and other hazardous fumes. This is generally when polyurethane is heated to over 200 degrees C. For this reason, handling this polymer at high temperatures should be done with gloves and a personal breathing apparatus.
 
Q:Polyurethane Benefits
A: One of the major benefits of polyurethane is its resistance to heat and flames. Using the substance means that it will offer protection from this, which makes it particularly beneficial in the home and in making important substances and materials. It is often used as a coat for wood, plastic or other substances because of this protective property.

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Type: Wheel
Wheel Material: Nylon
Brake: Only Wheel
Bearing Type: Ball Bearing
Surface Treatment: No
Brand: Tongzhou
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

grooved pulley

How do you select the right grooved pulley for a specific industrial application?

Selecting the right grooved pulley for a specific industrial application involves considering several factors to ensure optimal performance and reliability. Here are the steps to guide you in the selection process:

1. Identify the Application Requirements:

– Determine the specific application requirements, including the type of machinery or equipment where the pulley will be used, the power transmission needs, speed requirements, and environmental conditions (such as temperature and humidity).

2. Determine the Belt Type:

– Identify the type of belt that will be used with the grooved pulley, such as V-belt, flat belt, timing belt, or poly-V belt. Each belt type has specific dimensions, profiles, and load-bearing capabilities, and the pulley must be compatible with the belt to ensure efficient power transmission.

3. Calculate Power Requirements:

– Determine the power requirements of the system, including the torque or horsepower that needs to be transmitted. This information is crucial for selecting a grooved pulley with the appropriate size, groove profile, and material construction to handle the required power load.

4. Consider Speed Ratio:

– If the application requires a specific speed ratio between the driving and driven pulleys, calculate the desired speed ratio. This information will help in selecting the pulley sizes and groove profiles that will achieve the required speed ratio.

5. Evaluate Space Constraints:

– Assess the available space for installing the grooved pulley system. Consider the diameter and width of the pulley, as well as any clearance requirements. Ensure that the selected pulley can fit within the available space without interfering with other components or causing alignment issues.

6. Assess Environmental Factors:

– Take into account the environmental conditions in which the pulley will operate. Factors such as temperature extremes, moisture, dust, or exposure to chemicals may require selecting a pulley made from specific materials or with protective coatings for enhanced durability and resistance to corrosion or wear.

7. Consult Manufacturer’s Recommendations:

– Refer to the manufacturer’s guidelines, specifications, and recommendations for the specific grooved pulley types and sizes suitable for your application. Manufacturers often provide detailed information on the load-bearing capacity, speed limits, and other performance characteristics of their pulleys.

8. Consider Specialized Features:

– Evaluate if any specialized features are required for your application. This could include crowned pulleys for belt tracking, idler pulleys for belt guidance, or adjustable pulleys for variable speed applications. Select a pulley that offers the necessary features to optimize performance and reliability.

9. Verify Compatibility:

– Double-check the compatibility between the selected grooved pulley and the belt, ensuring that they have matching profiles, dimensions, and load capacities. This step is crucial to prevent slippage, premature wear, or damage to the belt or pulley.

10. Review Cost and Availability:

– Consider the cost and availability of the chosen grooved pulley. Compare prices from different suppliers and assess the availability of spare parts or replacements to ensure long-term support for your industrial application.

By following these steps and considering the specific requirements of your industrial application, you can select the right grooved pulley that will provide efficient power transmission, reliable performance, and extended service life.

grooved pulley

Can grooved pulleys withstand harsh environmental conditions?

Grooved pulleys are designed to withstand a wide range of environmental conditions, but their ability to withstand harsh conditions depends on various factors such as the materials used, the specific design, and the severity and duration of the environmental conditions. Here’s a detailed explanation of the factors that influence the ability of grooved pulleys to withstand harsh environmental conditions:

1. Material Selection:

The choice of materials for grooved pulleys is crucial in determining their resistance to harsh environmental conditions. Pulleys can be made from various materials such as steel, cast iron, aluminum, or plastics like nylon or polyurethane. Each material has different properties and resistance to factors like corrosion, extreme temperatures, moisture, chemicals, and UV radiation. Selecting pulley materials that are specifically designed for the anticipated environmental conditions can enhance their durability and performance.

2. Surface Coatings and Treatments:

In some cases, grooved pulleys may undergo surface coatings or treatments to enhance their resistance to harsh environmental conditions. For example, pulleys may be coated with corrosion-resistant materials like zinc or nickel plating, or they may undergo treatments such as heat treatment or hardening processes to improve their strength and durability. These additional protective measures can increase the pulleys’ ability to withstand harsh environmental elements.

3. Corrosion Resistance:

Grooved pulleys used in environments with high humidity, corrosive gases, or exposure to chemicals need to have adequate corrosion resistance. Stainless steel or pulleys with corrosion-resistant coatings are commonly used in such environments. These materials have properties that resist rust and corrosion, ensuring the longevity and performance of the pulleys despite the challenging conditions.

4. Temperature Tolerance:

Extreme temperatures, whether hot or cold, can affect the performance of grooved pulleys. The materials used in the pulleys should be able to withstand the anticipated temperature range without deforming, losing strength, or undergoing excessive wear. Some materials like certain alloys or high-temperature plastics are specifically designed to withstand elevated temperatures, while others may require additional cooling or insulation measures in extreme conditions.

5. Moisture and Water Resistance:

In environments where grooved pulleys may be exposed to moisture, water, or high humidity levels, it is important to consider their resistance to these elements. Pulleys made from corrosion-resistant materials or those with water-resistant coatings can help prevent rust, degradation, or swelling due to moisture absorption. Proper sealing or the use of protective covers can also help safeguard the pulleys from water ingress.

6. Dust and Contaminant Protection:

In dusty or dirty environments, grooved pulleys should be protected from the ingress of dust, dirt, or other contaminants. The accumulation of debris in the grooves can hinder belt traction, affect performance, and accelerate wear. Using sealed or shielded pulleys, installing dust covers, or implementing regular cleaning and maintenance procedures can help maintain optimal performance in such conditions.

7. UV Radiation Resistance:

If grooved pulleys are exposed to direct sunlight or ultraviolet (UV) radiation for extended periods, their resistance to UV degradation becomes important. UV radiation can cause material degradation, fading, or embrittlement. Pulleys made from UV-resistant materials or those with UV protective coatings can withstand prolonged exposure to sunlight without significant deterioration.

8. Vibration and Shock Resistance:

Grooved pulleys may be subject to vibrations or shocks in certain industrial applications. It is essential to ensure that the pulleys can withstand these dynamic forces without experiencing excessive wear, deformation, or failure. Proper material selection, reinforcement, and design considerations, such as using pulleys with reinforced hubs or dampening mechanisms, can enhance their resistance to vibrations and shocks.

It is important to note that while grooved pulleys are designed to withstand harsh conditions to a certain extent, extremely severe or prolonged exposure to harsh environmental conditions may eventually lead to deterioration or reduced performance. Regular inspection, maintenance, and replacement of pulleys when necessary are necessary to ensure continued reliability in challenging environments.

In summary, the ability of grooved pulleys to withstand harsh environmental conditions depends on factors such as material selection, surface coatings or treatments, corrosion resistance, temperature tolerance, moisture and water resistance, dust and contaminant protection, UV radiation resistance, and vibration and shock resistance. By considering these factors and selecting appropriate pulleys for specific environmental conditions, their durability and performance can be optimized.

grooved pulley

Can you explain the design features and advantages of grooved pulleys?

Grooved pulleys, also known as V-groove pulleys, are designed with specific features that offer several advantages in various applications. Here’s a detailed explanation of the design features and advantages of grooved pulleys:

1. Groove Configuration:

Grooved pulleys feature one or more grooves along their circumference. These grooves are typically V-shaped, although there are variations such as double V-grooves or multi-groove configurations. The V-shaped grooves are precision-engineered to match the corresponding V-belts or V-ribbed belts. The angle and depth of the grooves are designed to optimize the grip and contact area between the pulley and the belt, ensuring efficient power transmission.

2. Belt Traction:

One of the key advantages of grooved pulleys is their ability to provide enhanced belt traction. The V-grooves create multiple contact points between the pulley and the belt, increasing the friction and grip. This improved traction prevents belt slippage, which is especially important in applications with high loads, torque, or speed. The increased traction ensures reliable power transmission and reduces the risk of power loss or inefficiency.

3. Alignment and Tracking:

Grooved pulleys assist in belt alignment and tracking. The V-grooves guide the V-belt or V-ribbed belt, helping to keep it centered on the pulley. This alignment feature reduces the chances of the belt wandering or slipping off the pulley, even during operation under varying loads or conditions. Proper alignment and tracking lead to smooth and consistent power transmission, minimizing vibrations and extending the lifespan of both the belt and the pulley.

4. Load Distribution:

The grooves in grooved pulleys aid in distributing the load evenly across the belt’s surface. As the belt sits within the grooves, the contact area between the belt and the pulley increases. This broader contact area allows for better load distribution, reducing stress concentration on specific points of the belt. The even load distribution helps prevent premature wear and damage to both the belt and the pulley, enhancing their longevity and reliability.

5. Noise Reduction:

Grooved pulleys can contribute to noise reduction in mechanical systems. The V-grooves help dampen vibrations and minimize noise generated during power transmission. The belt’s secure grip within the grooves reduces the chances of belt slippage and the associated noise. This feature is particularly beneficial in applications where a quiet operating environment is desired, such as in residential or commercial settings.

6. Versatility:

Grooved pulleys are available in various sizes and configurations, making them versatile for different applications. Whether it’s a single-groove pulley for light-duty applications or a multi-groove pulley for heavy-duty industrial systems, there are options to accommodate specific belt requirements and power transmission needs. This versatility allows grooved pulleys to be used in a wide range of industries, including automotive, manufacturing, HVAC, and more.

7. Maintenance and Replacement:

When it comes to maintenance and replacement, grooved pulleys offer convenience. The design allows for easy belt installation and removal. V-belts or V-ribbed belts can be quickly placed within the grooves or removed when necessary, simplifying maintenance tasks and reducing downtime. Additionally, grooved pulleys are readily available in the market, making it convenient to find replacements when needed.

In summary, the design features and advantages of grooved pulleys include their groove configuration optimized for specific belts, enhanced belt traction, alignment and tracking assistance, load distribution capabilities, noise reduction properties, versatility for different applications, and convenience in maintenance and replacement. These features make grooved pulleys reliable and efficient components for power transmission systems, contributing to smooth operation, extended belt and pulley life, and overall system performance.

China Hot selling OEM China Factory Manufacturer Grooved Black Mc Nylon Plastic Roller Wheel / Tiny Sheave Pulley Block for Factory   chain pulleyChina Hot selling OEM China Factory Manufacturer Grooved Black Mc Nylon Plastic Roller Wheel / Tiny Sheave Pulley Block for Factory   chain pulley
editor by CX

2024-05-15