Tag Archives: cable pulley

China manufacturer Customized Plastic Timing Belt Pulley / Sliding Door Roller / Cable Pulling Rollers wheel and axle

Product Description

Customized Plastic Timing Belt Pulley / Sliding Door Roller / Cable Pulling Rollers

Products Type

We can custom shape,size,color material and quantity for plastic pulley as your requirment.

Products Specification
1. Various hardness for your choice.
2. Good abrasion, heat and oil resistance.
3. Good anti-aging performance and gas tightness.
4. Ease of bonding to other material.
5. Excellent oxygen and CZPT resistance.
6. Non-flammable,self-extinguish.  

Material PA,PA6,PA66,PP,PE,LDPE,HDPE,UWHDPE,PTFE,POM,ABS,or Custom Compound
(Any custom compound plastic is available)
Size According to samples or drawings
Color Black,white,red,green,transparent or any color according to Pantone colors
Finish High Gloss,Fine Grain,Electroplating,Painting,Printing,Texture etc,or as request
Type Round,square,rectangular,or any nonstandard shape as request
Logo Debossed,embossed,printed logo or as request

Plastic Material Properties

Company Profile
 
Zhongde (ZheJiang ) Machinery Equipment Co.,LTD  is a company integrated in design,OEM&ODM plastic&rubber&CNCparts production.We can provide the best products and service at a competitive price.

Main Products

We can provide OEM service,which means producing base on your drawings or samples,also we can design according to its application or customer`s requirments.

Order Operation Flow

We execute each step according to the operation process flow, strictly, seriously and meet the requirements of customers with good quality on time.

For Fast Quotation,Please Inform Below Details
1. Production type
2. Material specification (or let us know the using environmental)
3. Size details? (or provide drawings or samples for refference)
4. Quantity request
5. Prefer color
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Customized: Customized
Color: Customized
Type: Rotating Wheel
Samples:
US$ 999/Piece
1 Piece(Min.Order)

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For sample price, package information, and logisti
Customization:
Available

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Customized Request

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about shipping cost and estimated delivery time.
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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

plastic belt

Can plastic belts be used in heavy-duty applications, such as mining or construction?

Yes, plastic belts can indeed be used in heavy-duty applications, including mining and construction. Here’s a detailed explanation:

  • Plastic Belt Advancements:

In recent years, there have been significant advancements in plastic belt technology, leading to the development of robust and high-performance plastic belts. These advancements include enhanced material formulations, reinforcement technologies, and improved belt designs, which have expanded the capabilities of plastic belts and made them suitable for heavy-duty applications.

  • Strength and Load-Carrying Capacity:

Plastic belts designed for heavy-duty applications are engineered to have excellent strength and load-carrying capacity. Reinforcement technologies, such as embedded fibers, fabric layers, or metal cords, are incorporated into the belt structure to enhance tensile strength and dimensional stability. These reinforcements enable plastic belts to handle heavy loads, endure high tension levels, and resist elongation or stretching during operation. As a result, plastic belts can effectively convey bulk materials, aggregates, or heavy equipment in mining and construction environments.

  • Wear and Impact Resistance:

Plastic belts used in heavy-duty applications are designed to exhibit superior wear and impact resistance. They are engineered to withstand the abrasive nature of mining operations or the harsh conditions encountered in construction sites. Advanced material formulations and surface coatings are employed to enhance the belt’s durability, preventing premature wear and tear caused by abrasive materials or impacts from heavy loads. This ensures that plastic belts can maintain their performance and reliability even in demanding operating conditions.

  • Chemical and Moisture Resistance:

Plastic belts for heavy-duty applications in mining or construction often have excellent chemical and moisture resistance properties. They are designed to withstand exposure to various chemicals, oils, solvents, or moisture commonly found in these environments. This resistance prevents chemical degradation, swelling, or weakening of the belt material, ensuring its long-term performance and reliability. Additionally, plastic belts with moisture-resistant properties are less prone to damage from water or humidity, making them suitable for outdoor applications or environments with high moisture levels.

  • Customization and Modular Designs:

Plastic belts offer customization options and modular designs that make them adaptable to the specific requirements of heavy-duty applications. Manufacturers provide a range of belt widths, lengths, and configurations to accommodate different conveyor systems and operational needs. The modular design of plastic belts allows for easy installation, repair, or replacement, minimizing downtime and ensuring continuous operation in mining or construction sites where efficiency is crucial.

  • Benefits of Plastic Belts:

Using plastic belts in heavy-duty applications offers several advantages. Plastic belts are generally lightweight, which reduces the load on conveyor systems, lowers energy consumption, and simplifies installation and maintenance. They also have a lower coefficient of friction compared to other belt materials, resulting in reduced power requirements and improved conveyor efficiency. Additionally, plastic belts are resistant to rust, corrosion, and rot, making them suitable for outdoor or wet environments commonly encountered in mining and construction.

In summary, plastic belts can be successfully used in heavy-duty applications such as mining or construction. With advancements in material formulations, reinforcement technologies, and belt designs, plastic belts now offer the required strength, load-carrying capacity, wear resistance, and chemical resistance to withstand the demanding conditions of these industries. The customization options, modular designs, and additional benefits of plastic belts make them a reliable choice for efficient and durable conveying in heavy-duty applications.

plastic belt

How do environmental factors affect the performance of plastic belts in outdoor applications?

Environmental factors can significantly impact the performance of plastic belts in outdoor applications. Here’s a detailed explanation:

  • 1. Temperature:

The temperature in outdoor environments can vary widely, and extreme temperatures can affect the performance of plastic belts. High temperatures can cause plastic belts to soften, deform, or lose their structural integrity. On the other hand, low temperatures can make plastic belts brittle and more prone to cracking or breakage. It’s important to choose plastic belts that are specifically designed to withstand the temperature range of the outdoor application to ensure optimal performance and longevity.

  • 2. UV Exposure:

Plastic belts exposed to direct sunlight in outdoor applications are susceptible to UV degradation. Prolonged exposure to UV radiation can cause the material to become brittle, fade in color, and weaken over time. UV-resistant plastic belts, typically made with additives or coatings that provide UV protection, are available to mitigate the effects of UV exposure. Using UV-resistant belts is crucial to maintain the performance and lifespan of plastic belts in outdoor environments.

  • 3. Moisture and Humidity:

Outdoor environments often involve exposure to moisture and humidity, which can impact the performance of plastic belts. Excessive moisture can cause plastic belts to absorb water, leading to dimensional changes, reduced strength, and increased risk of mold or bacterial growth. High humidity can also affect the friction characteristics of the belts, potentially impacting their grip or slip resistance. Using moisture-resistant or waterproof plastic belts and implementing proper drainage and ventilation systems can help mitigate the effects of moisture and humidity.

  • 4. Dust and Debris:

Outdoor applications are prone to the accumulation of dust, dirt, and debris. These particles can enter the conveyor system and become trapped between the plastic belt and other components, leading to increased friction, wear, and potential belt damage. Regular cleaning and maintenance practices, such as periodic belt cleaning or installing effective dust control measures, are essential to prevent the buildup of dust and debris and ensure the smooth operation of plastic belts in outdoor environments.

  • 5. Mechanical Stress:

Outdoor applications may involve exposure to mechanical stressors such as heavy loads, impacts, or abrasive materials. Plastic belts should be selected based on their mechanical properties to withstand the specific demands of the outdoor environment. Reinforced or heavy-duty plastic belts with enhanced tensile strength and impact resistance may be necessary to ensure reliable performance and prevent premature failure.

  • 6. Corrosive Substances:

In certain outdoor applications, plastic belts may come into contact with corrosive substances, such as chemicals or saltwater. Corrosive substances can degrade the plastic material, leading to reduced belt strength and potential failure. It’s important to choose plastic belts that are chemically resistant to the specific substances present in the outdoor environment to ensure long-term performance and minimize the risk of belt damage.

In summary, environmental factors such as temperature variations, UV exposure, moisture and humidity, dust and debris, mechanical stress, and corrosive substances can all impact the performance of plastic belts in outdoor applications. Selecting plastic belts specifically designed to withstand these environmental challenges, implementing proper maintenance practices, and considering additional protective measures can help ensure the longevity and reliable operation of plastic belts in outdoor settings.

plastic belt

Are there specific applications where plastic belts outperform other types of conveyor belts?

Yes, there are specific applications where plastic belts outperform other types of conveyor belts. Here’s a detailed explanation:

  • 1. Hygienic Environments:

Plastic belts are particularly well-suited for applications in hygienic environments such as the food and beverage industry, pharmaceuticals, and healthcare. They offer smooth, non-porous surfaces that are easy to clean and sanitize, reducing the risk of bacterial growth and cross-contamination. Plastic belts’ resistance to chemicals and moisture makes them suitable for industries that require regular washdowns and adherence to strict hygiene standards. In these applications, plastic belts outperform other types of belts, such as fabric or metal belts, which may be more difficult to clean or prone to bacterial buildup.

  • 2. Product Accumulation and Diverting:

Plastic belts, especially modular plastic belts, excel in applications that require product accumulation and diverting. The interlocking modules on modular plastic belts allow for smooth product flow and accumulation without the need for additional components or complex control systems. These belts can also divert products to different lanes or conveyors using simple mechanisms. Plastic belts’ flexibility and adaptability make them an excellent choice for applications where precise product control and diversion are necessary, such as sorting systems in distribution centers or assembly lines with multiple workstations.

  • 3. Gentle Product Handling:

Plastic belts, particularly those with cleats or vacuum features, are preferred when gentle product handling is required. The cleats on plastic belts help prevent product slippage and ensure stable conveying, making them suitable for incline or decline applications or conveying delicate items. Vacuum plastic belts utilize suction to hold lightweight or fragile products securely during transport, minimizing product damage. These belts outperform other types of belts, such as roller or chain conveyors, which may cause friction, impact, or abrasion on the conveyed products.

  • 4. Noise Reduction:

Plastic belts offer noise reduction advantages over other types of conveyor belts. The damping properties of plastic materials help absorb vibrations and reduce noise generated during operation. This makes plastic belts a preferred choice in applications where noise levels need to be minimized, such as retail environments, offices, or manufacturing facilities with strict noise regulations. Other types of belts, such as metal belts or fabric belts, may produce higher levels of noise due to their material properties or mechanical design.

  • 5. Corrosive or Wet Environments:

Plastic belts are highly resistant to chemicals, oils, and moisture, making them suitable for applications in corrosive or wet environments. In industries such as chemical processing, wastewater treatment, or mining, where exposure to corrosive substances or water is common, plastic belts offer superior performance and durability compared to belts made of materials like metal or fabric. Plastic belts’ resistance to corrosion and moisture-related damage ensures reliable operation and extends the service life of the conveyor system.

In summary, plastic belts outperform other types of conveyor belts in specific applications where hygiene, product accumulation and diverting, gentle handling, noise reduction, and resistance to corrosive or wet environments are critical. Understanding the unique advantages of plastic belts in these applications helps industries make informed decisions when selecting the most suitable conveyor belt for their material handling needs.

China manufacturer Customized Plastic Timing Belt Pulley / Sliding Door Roller / Cable Pulling Rollers   wheel and axleChina manufacturer Customized Plastic Timing Belt Pulley / Sliding Door Roller / Cable Pulling Rollers   wheel and axle
editor by CX 2024-01-15

China manufacturer Multi Groove Leading Pulley for Wire and Cable double pulley

Product Description

Multi Groove Leading Pulley For Wire and Cable

Application
Leading pulley use for traction of cables ,mainly used in extrusion line.
Features
1.Provide leading pulleys of various sizes, up to 3000mm.
2.There are no sand holes in the groove, or a small amount of sand holes.
3.Provide surface treatment such as anodic and porcelain spraying.
Specification

Part Name Model Bearing
Ф255*55 Ф255*55 Ф14
Ф300*74 Ф300*74 Ф35
Ф300*94 Ф300*94 Ф35
Ф350*94 Ф350*94 Ф35
Ф350*102 Ф350*102 Ф40
Ф400*94 Ф400*94 Ф35
Ф400*105 Ф400*105 Ф40
Ф400*118 Ф400*118 Ф40
Ф450*105 Ф450*105 Ф40
Ф450*116 Ф450*116 Ф40
Ф500*100 Ф500*100 Ф38
Ф500*116 Ф500*116 Ф40
Ф500*105 Ф500*105 Ф40
Ф500*89 Ф500*89 Ф35
Ф605*126 Ф605*126 Ф50
Ф600*105 Ф600*105 Ф40
Ф600*116 Ф600*116 Ф40
Ф600*136 Ф600*136 Ф40
Ф686*170 Ф686*170 Ф50
Ф686*212 Ф686*212 Ф50
Ф800*155 Ф800*155 Ф50
Ф800*100 Ф800*100 Ф50
Ф800*130 Ф800*130 Ф50

Products picture

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: One Year Free, Lifetime Maintenance
Warranty: One Year Free
Condition: New
Customization:
Available

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Customized Request

pulley

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling one end of the rope will double the force on the shaft, resulting in two mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in one direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than two pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has three basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the three parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only four ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by three ropes, each weighing about thirty-five pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over two tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are two basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When two or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China manufacturer Multi Groove Leading Pulley for Wire and Cable   double pulley	China manufacturer Multi Groove Leading Pulley for Wire and Cable   double pulley
editor by CX