Product Description

 

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 CZPT rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.

Detailed Photos

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

250,315,400,500,630,800,1000,1250

1000 mm

250,315,400,500,630,800,1000,1250,1400

1200 mm

250,315,400,500,630,800,1000,1250,1400

1400 mm

315,400,500,630,800,1000,1250,1400

1600 mm

400,500,630,800,1000,1250,1400

1800 mm

400,500,630,800,1000,1250,1400

2000 mm

500,630,800,1000,1250,1400

2200 mm

630,800,1000,1250,1400

2400 mm

800,1000,1250,1400

 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
Customer Visit & Exhibition

 

Packaging & Shipping

Company Profile

HangZhou Port Shipbuilding & Machinery Industry Co., Ltd (RPIC) are a comprehensive group enterprise which is engaged in the design, manufacture, installation and maintenance of port bulk-handling equipment. Our company has the Third-level Qualification of Machinery & Electrical Equipment Installation Enterprise and First-Level Qualification of Equipment Maintenance Enterprise. Our company has already passed ISO9002: 2000, ISO14001 and OHSMS18001 system certification.

The business of our company covers the design, manufacture, installation and maintenance of steel structure projects, belt conveyor system projects, port auxiliary equipment, port handling equipment and their accessories. The main products of our company include traveling stackers, running mechanisms of portal cranes, belt conveyors, idler rollers, pulleys, grabs etc.

The products and services of HangZhou Port Machine Engineering Co., Ltd. Spread all over domestic and overseas port industry, electric power industry, metallurgy industry, energy industry, cement industry, food industry, paper industry, etc.
With professional technical teams, exquisite processing equipment, modern management systems and convenient transportation, our company adheres to the business philosophy of “integrity and innovation, working hard to manufacture high quality products and constructe excellent projects, providing customers with value-added services”.

The quality control is carried out throughout the whole production process. We pursue perfection in the design and production of each product. With advanced processing equipment, we are committed to providing superior quality products and services.

RPIC is a leading professional bulk material conveying system equipment supplier. The capacity of conveying equipment can reach 10, 000t/h.

RPIC is a professional equipment installation and maintenance service provider which has the First-level Qualification of the Equipment Maintenance Enterprise.

Our products are well sold to Europe, Australia, America, Asia and African.

We welcome all companies to contact us for business negotiation.

Our EPC Conveying System Project

our certification

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 CZPT 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: Steel
Application: Chemical Industry, Grain Transportation, Mining Transport, Power Plant
Bearing Type: Double Sealed Bearing
Customization:
Available

|

Customized Request

pulley

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.
pulley

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.
pulley

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.

China supplier Rubber Lagging Conveyor Drum Pulley for Cement Plant   with Hot selling	China supplier Rubber Lagging Conveyor Drum Pulley for Cement Plant   with Hot selling
editor by CX

2023-06-05