China Best Sales Customized Heavy Duty Gravity Motorized Tail Rubber Lagging Drive Head Belt Roller Conveyor Drum Pulley Price with Good quality

Product Description

Customized Heavy Duty Gravity Motorized Tail Rubber Lagging Drive Head Belt Roller Conveyor Drum Pulley Price

Product Description

The drum is the main component that transmits power. It is divided into 3 types according to their load-carrying capacity: light, medium and heavy.
Light: Bearing aperture 80-100mm, the shaft and hub are single-width plate welded cylinder structure connected by single key.
Medium: Bearing aperture 120-180mm, the shaft and hub are expansion sleeve connection.
Heavy: Bearing aperture 200-220mm, the shaft and hub are expansion sleeve connection, and the drum body is cast-welded structure.
Conveyor pulley stays at 2 ends of belt machine. The pulley can be divided into 2 categories: Driving pulley and averting pulley, driving pulley is the main part for transmitting the power and there are 2 kinds of pulley sets: Smooth surface and rubber surface, and rubber surface can be classified into smooth rubber surface, herringbone rubber surface and CHINAMFG rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.

Technical Parameters

Driving Pulley (rubber surface)
Belt Width  Standard Diameter of Pulley 
500 mm 500mm
650 mm 500mm,630 mm
800 mm 500mm,630mm,800mm,1000mm,1250mm,1400 mm
1000 mm 630mm,800mm,1000mm,1250mm,1400 mm
1200 mm 630mm,800mm,1000mm,1250mm,1400 mm
1400 mm 630mm,800mm,1000mm,1250mm,1400 mm
1600 mm 630mm,800mm,1000mm,1250mm,1400 mm
1800 mm 630mm,800mm,1000mm,1250mm,1400 mm
2000 mm 800mm,1000mm,1250mm,1400 mm
2200 mm 1000mm,1250mm,1400 mm
2400 mm 1000mm,1250mm,1400 mm

 

Bend Pulley (smooth surface & rubber surface)
Belt Width Standard Diameter of Pulley (mm)
500 mm 250,315,400,500
650 mm 250,315,400,500,630
800 mm 25,031,540,050,063,000,000,000,000
1000 mm 250,315,400,500,630,000,000,000,000,000
1200 mm 250,315,400,500,630,000,000,000,000,000
1400 mm 315,400,500,630,800,000,000,000,000
1600 mm 400,500,630,800,100,000,000,000
1800 mm 400,500,630,800,100,000,000,000
2000 mm 500,630,800,100,012,000,000
2200 mm 630,800,100,012,501,000
2400 mm 800,100,012,501,400

 

Pulley Standard
Brand SPD
Specification SPD-CP-0001
Certificate ISO/BV/SGS
Standard CEMA/JIS/DIN/Australia
Application Coal mining industry, cement, steel, harbour etc.
Place of Origin HangZhou City , ZheJiang  Province , China
Material Feature Water, Wear, Dust resistance
Supply capacity 80pcs/month
Management system ISO 9001:2008,ISO 14001:2004,GB/T 28001-2001

Project Performance

Main Equipment & Facilitys

Industry products research and manufacture. Over 70 designers are responsible for the research and development of professional port handling systems, vessels, steel structures, and modular house businesses. Port handling system mainly involves belt and pipe conveyor systems, stackers, rollers, pulleys and other parts. Shipping products include types of tugboats, product oil tankers, oil spill disposal ships and other offshore oilfield service ships; marine leveling barges, dredgers, and other engineering vessels. We have also designed and rebuilt the first offshore mariculture platform in China, several recreational platforms and other marine fishery equipment.

New building materials processing business. The main products include color-coated sheets for home appliances and building construction, precision stamping parts. The new building materials products of RPIC is the PUR sandwich panel, rock wool sandwich panel. At the same time, RPIC has designed a variety of prefabricated houses, which can be widely used for vacation and camping housing, urban construction housing, make-shift housing, medical, exhibition, and other temporary housing fields.

Steel structure and equipment manufacturing. With the annual production capacity of steel structure for about 100,000 tons, RPIC’s business markets involve the equipment steel structure, public infrastructure, bridge steel structure, space steel structure and so on. We have successively undertaken projects of Ore Wharf belt Conveyor System in HangZhou Port and the HUANENG Power Plant Belt Conveyor Engineering, accumulating to more than 200 million square CHINAMFG of industrial workshop construction. 

 Maintenance of ship and mechanical & electrical equipment. RPIC has over 30 years’ experience in port equipment operation and maintenance. RPIC is the only enterprise specialized in port handling system and equipment maintenance business in HangZhou city and has successfully repaired and transformed CHINAMFG research ships, dredgers, floating dry dock, tugboat, and other types of ships.

FAQ

Q1:Can you send samples?

A:Of course, we can provide customers with free samples but customer should pay the courier fee.

Q2:What product information do I need to provide?

A:Please kindly provide the grade, width, thickness, surface treatment requirement  and quantities you need to purchase.

Q3:What is your terms of payment ?

A: 30% T/T in advance ,balance before shipment or 100% LC at sight.

Q4.Do you provide customer made Products service?

A: Yes,if you have your own design , we can produce according to your specification and drawing.

Q5:How long does your delivery time take?

A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.

Q6: How many countries you already exported to?

A:We have exported to America, Canada, Brazil, Chile, Colombia, Thailand, Myanmar, Vietnam,  and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.

Q7:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q8:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging,  customers can appoint third parties to inspect the products before loading too.

Q9:How to pack the products?

A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during CHINAMFG transportation.

Q10:What is your working time?

A:In general, our online service time is ZheJiang time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: Frequency Control Motor
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

pulley

How does the diameter of a pulley affect its mechanical advantage?

The diameter of a pulley plays a significant role in determining its mechanical advantage. Mechanical advantage refers to the ratio of the output force or load to the input force or effort applied to the pulley system. Here’s how the diameter of a pulley affects its mechanical advantage:

1. Larger Diameter: When the diameter of a pulley increases, the mechanical advantage also increases. A larger diameter means that the circumference of the pulley is greater, allowing a longer length of rope or belt to be wrapped around it. As a result, a larger pulley requires less effort force to lift a given load. This is because the load is distributed over a greater length of rope or belt, reducing the force required to overcome the load.

2. Smaller Diameter: Conversely, when the diameter of a pulley decreases, the mechanical advantage decreases. A smaller diameter means that the circumference of the pulley is reduced, resulting in a shorter length of rope or belt wrapped around it. As a result, a smaller pulley requires more effort force to lift a given load. This is because the load is concentrated over a shorter length of rope or belt, requiring a greater force to overcome the load.

It’s important to note that while a larger diameter pulley offers a greater mechanical advantage in terms of reducing the effort force required, it also results in a slower speed of the load being lifted. This is because the longer length of rope or belt requires more input distance to achieve a given output distance. On the other hand, a smaller diameter pulley offers a lower mechanical advantage but allows for a faster speed of the load being lifted.

The mechanical advantage of a pulley system can be calculated using the formula:

Mechanical Advantage = Load / Effort

Where “Load” refers to the weight or force being lifted and “Effort” refers to the force applied to the pulley system. By adjusting the diameter of the pulley, the mechanical advantage can be optimized to suit the specific requirements of the application, balancing the effort force and speed of the load being lifted.

pulley

What is the role of pulleys in the mining and construction industries?

Pulleys play a vital role in the mining and construction industries, where they are utilized in various applications to facilitate heavy-duty operations, enhance safety, and improve efficiency. Here’s an overview of the role of pulleys in these industries:

1. Conveyor Systems:

In mining and construction, conveyor systems are extensively used to transport bulk materials, such as ores, rocks, gravel, and construction aggregates. Pulleys are integral components of conveyor systems, guiding and supporting the conveyor belts or chains. They help in maintaining tension, reducing friction, and ensuring smooth movement of materials over long distances. The pulleys used in these systems are designed to withstand high loads and harsh environmental conditions.

2. Hoisting and Lifting Equipment:

Pulleys are crucial in hoisting and lifting equipment used in mining and construction activities. Cranes, winches, and lifting systems often incorporate pulley arrangements to provide mechanical advantage and control the movement of heavy loads. The pulleys, along with ropes, cables, or chains, allow for safe and efficient lifting, lowering, and positioning of equipment, materials, and structures at construction sites or in mining operations.

3. Wire Rope Systems:

In mining and construction, wire ropes are extensively used for various applications, including hauling, towing, and lifting heavy loads. Pulleys, known as sheaves, are employed in wire rope systems to guide and redirect the wire ropes. The sheaves help in maintaining proper alignment, reducing wear, and ensuring efficient power transmission. They are commonly used in applications such as cranes, elevators, and wire rope hoists.

4. Crushing and Screening Equipment:

In the mining and construction industries, pulleys are used in crushing and screening equipment. For example, in crushers, pulleys are utilized to drive the rotating motion of the crusher’s jaws or cones, enabling the crushing of large rocks or ores into smaller sizes. Pulleys also play a role in vibrating screens, helping to generate the necessary vibrations that separate and classify materials based on size.

5. Earthmoving and Excavation Equipment:

Pulleys are incorporated into earthmoving and excavation equipment in mining and construction applications. For instance, in excavators or dragline machines, pulleys are used in the cable systems that control the movement of the bucket or shovel. The pulleys help in extending or retracting the cables, allowing for efficient excavation, loading, and material handling.

6. Tensioning and Alignment:

In mining and construction operations, pulleys are utilized for tensioning and alignment purposes. Tensioning pulleys ensure proper tensioning of belts, ropes, or cables, optimizing power transmission and preventing slippage. Alignment pulleys are employed to maintain the correct alignment of belts or chains, reducing wear, minimizing vibrations, and extending the lifespan of the components.

In summary, pulleys play a critical role in the mining and construction industries, contributing to material handling, lifting and hoisting operations, wire rope systems, crushing and screening equipment, earthmoving and excavation machinery, and tensioning and alignment applications. Their use enhances safety, improves efficiency, and enables the execution of heavy-duty tasks in these demanding industries.

pulley

Can you explain the basic principles of pulley mechanics?

Pulley mechanics are based on a few fundamental principles that govern the operation of pulley systems. Here’s an explanation of the basic principles:

1. Mechanical Advantage: The primary principle of pulley mechanics is mechanical advantage. A pulley system allows for the multiplication of force applied to the rope or belt. By distributing the force over multiple segments of the rope or belt, the load becomes easier to lift or move. The mechanical advantage gained depends on the number of pulleys used in the system. The more pulleys in the system, the greater the mechanical advantage.

2. Force Transmission: When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. This force transmission allows for the movement and manipulation of objects in pulley systems.

3. Directional Change: One of the key principles of pulley mechanics is directional change. A pulley system enables the operator to change the direction of the applied force. By redirecting the force along a different path, a pulley system allows for force to be exerted from a more convenient or advantageous position. This directional change is particularly useful in situations where the force needs to be applied vertically, horizontally, or at an angle.

4. Conservation of Energy: Pulley mechanics also adhere to the principle of conservation of energy. The work done on the load by the applied force is equal to the work done against the load’s weight. Through the pulley system, the input force is transformed into an output force that moves or lifts the load. The energy input and output remain the same, but the pulley system allows for the distribution and transformation of forces to achieve the desired mechanical advantage.

5. Speed and Torque Conversion: Pulleys can also be used to convert speed and torque in mechanical systems. By varying the size of the pulleys or using pulleys of different diameters, the rotational speed and torque can be adjusted according to the requirements of the system. This speed and torque conversion allows for the optimization of power transmission and the matching of different rotational speeds between input and output components.

6. Multiple Pulley Systems: Pulleys can be combined in systems to achieve increased mechanical advantage or to create complex motion patterns. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt, further reducing the effort required to lift heavy objects. These systems are often used in cranes, elevators, and other applications where heavy lifting is necessary.

These basic principles of pulley mechanics form the foundation for the understanding and application of pulleys in mechanical systems. By harnessing mechanical advantage, force transmission, directional change, conservation of energy, and speed/torque conversion, pulley systems provide a versatile means of lifting, moving, and manipulating loads in various applications.

China Best Sales Customized Heavy Duty Gravity Motorized Tail Rubber Lagging Drive Head Belt Roller Conveyor Drum Pulley Price   with Good quality China Best Sales Customized Heavy Duty Gravity Motorized Tail Rubber Lagging Drive Head Belt Roller Conveyor Drum Pulley Price   with Good quality
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