China supplier Heavy Duty Belt Conveyor Drum/Coal Belt Conveyor Drive Pulley pulley alternator

Product Description

Product Introduction:
    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.
     1. Light: Bearing aperture 80-100mm, the shaft and hub are single-width plate welded cylinder structure connected by single key.
     2. Medium: Bearing aperture 120-180mm, the shaft and hub are expansion sleeve connection.
     3. Heavy: Bearing aperture 200-220mm, the shaft and hub are expansion sleeve connection, and the drum body is cast-welded structure.

Product Description:
   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. 
  
Product Features:

 

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:

Packing & Delivery 

Our EPC Conveying System Project

Customer Visit & Exhibition

Our Company
    HangZhou Port Shipbuilding & Machinery Industry Co.,ltd, a wholly owned subsidiary of ZheJiang Port Equipment Group ,is a large comprehensive state-owned company combining industrial products research and manufacture, steel structure and equipment producing, general contracting service for industrial system integration and ships & equipment building and maintenance.
    As a member of the Standardization Administration of China/Technical Committee (SAC/TC331) , the company owns the production qualification for transport machinery, Grade-I Class III Production Qualification of steel general ships, Grade-I Production Qualification of steel fishing vessels; Grade-I Professional Contracting Qualification of steel structure, and kinds of Professional contracting qualifications for electrical and mechanical equipment installation, corrosion protection and insulation engineering, foundation, etc. The company also occupies Class B Design Qualification of steel fishery vessels and the Design & Construction Qualification of marine fishery platforms registered with the Ministry of Agriculture. The main business scope of RPIC covers ports, marine equipment, mining, electric power; cement, metallurgy; paper making and other various industries.
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.

Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: CVT Motor
Installation: Turning
Transport Package: Sea Freight Land Freight
Specification: CEMA Dia. 127mm*332mm*Bearing 6205
Customization:
Available

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Customized Request

pulley

Types of pulleys and their advantages and disadvantages

There are several types of pulleys. Learn the basic equations of the pulley system. Then learn about the different uses for pulleys. The disadvantages of using pulleys will be covered. Knowing these, you can buy the pulley that suits your needs. Here are some of the best pulley types and their pros and cons.

Basic equations of pulley systems

A pulley system is a mechanism that allows two blocks of a certain mass to be connected by a taut rope. The acceleration of each block is the same in magnitude and direction. The external force acting on each block is the weight of the block (10g) and the tension in the string. The tension between the two blocks is the total tension and the force acting on the pulley is the weight of the two blocks.
This simple mechanism uses two simple equations to explain how the system works. First, the mass of the weight on both sides of the pulley must be the same. When the weight is forced to move, the rope tightens and the second pulley descends. The weight is also attached to the second pulley and must be the same distance as the first pulley. This will result in a speed ratio of 2 times the distance covered by the first pulley.
Second, we have to calculate the force required to lift the object. The lower mass is supported by a wire configuration passing through all pulleys, while the uppermost pulley is used to apply the force. The lower block is used to support the weight. The applied force needs to travel a distance nx to move the weight. This distance, called MA, can be written as:
Once we have gathered the necessary information, we can apply the calculations to the pulley system. We can also use the Mechanical Advantage Calculator to calculate the force on the anchor. To do this, we must apply a force to the load as well as to the pulley itself. Using this equation, we can calculate the force required by the load to lift the load.
pulley

Types of pulleys

There are three basic types of pulleys: movable, fixed and compound. Both types of pulleys translate the force applied to them. The ideal mechanical advantage of pulleys is two. This is because a single movable pulley only doubles the force, whereas a compound pulley doubles or triples the force. This type of pulley is often used with other types of pulleys.
Movable pulls move with the weight of the load, and the force pulling them increases on the lift side. They are often found in utility elevators and construction cranes. These systems are very simple, inexpensive and quiet to use. The force required to lift the object depends on the mechanical advantage of the system. The two most common types of pulleys are listed below. Let’s take a closer look at each one.
V-shaped pulleys are used in vehicles and electric motors. These pulleys require a “V” belt to function properly. Some have multiple “V” grooves to avoid slipping. They are used in heavy duty applications to reduce the risk of power slip. These pulleys also have more than one “V” groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than one type of cable or rope wrapped around the wheel. They can be fixed or hinged and are usually made of stainless steel or bronze. Composite pulleys have multiple layers and can be a single unit or many different components. There are three main types of pulleys: fixed pulleys and composite pulleys. These are the most common types. Almost every type of pulley is used for some type of application.
Fixed pulleys have one advantage over movable pulleys: they change direction as the weight of the load increases. They are typically used in heavy construction equipment. Gun tackles, patio tackles, and stationary tackles are examples of equipment that use a pulley mechanism. These devices are very common and can be found on most modern construction sites. They provide great convenience for lifting large loads.

application

What are the applications of pulleys? Simply put, a pulley is a mechanical device that transforms a difficult task into an easier one. It consists of ropes and pulleys. It is usually used to lift objects. Usually, people wrap a rope around a pulley and pull up to lift the object. One disadvantage of using pulleys is that they require the same force as lifting the object directly.
One of the most popular applications of pulleys is lifting heavy objects. They help people pull up heavy objects and blocks. The system can also be used in seeders, lifts, grinders, etc. Other applications include raising flags, loading cargo, pulling curtains and rock or mountain climbing. Students can learn about the various uses of pulleys and the physics behind them.
Pulleys can be made of many different materials, depending on the application. Some are movable, which means they move with the object they are used to lift. This pulley system can be made of nylon, wire rope or fiber material. The best part about these systems is that they are easy to install and maintain. For a better grasp, use the guide or video tutorial to learn more about the pulley system and how it works.
Tapered pulleys are common in paper mills. They are high-quality pulleys that transmit power to connected parts. They can be dynamic or static and have different balances. Because pulley systems are highly customized, most industrial applications require systems designed specifically for specific applications. In this way, the system is safe, simple and inexpensive. The benefits of this design are endless.
The most common use of pulleys is for motor drives. They are used to minimize noise by applying force to the shaft to reduce the workload. They are also less expensive than gears and do not require lubrication. Furthermore, they can change the direction of the applied force. They are also less expensive than gears and are often used with other components. A screw is a cylindrical member with helical ribs used to connect something.
pulley

shortcoming

Although the pulley system makes it easier to move heavy objects, it still has some drawbacks. When using a pulley system, you must remember that the force required to lift the weight increases with the number of cycles. In addition, the distance between the puller and the heavy object increases, which may lead to accidents. Also, moving heavy objects can be tricky if the rope slips. Pulley systems are not very expensive and can be easily assembled. However, it does require a lot of space.
First, it is not efficient. Besides being inefficient, pulleys produce different forces at different speeds. Fixed pulleys use more force than the load, while movable pulleys move with the load. A movable pulley requires less force than a fixed pulley, but the combined system travels a long distance. Therefore, this method is not as efficient as the fixed method.
Pulleys are not only used in industrial processes. You can see them in various places in your daily life. For example, large construction cranes use pulleys to lift heavy loads. Even flagpoles, blinds, clotheslines, ziplines, motors and climbing equipment use pulleys. Still, despite their advantages, the disadvantages are not too serious.
Another disadvantage of the pulley is its wear and tear. While a pulley’s housing is theoretically infinite, its bearings and locking components typically wear out over time. To overcome this problem, a new bearing and locking assembly can be installed. No need to replace the housing and shaft, the entire assembly can be re-bonded and painted to replicate the original look. Alternatively, the pulley can be replaced with a new housing and shaft.
Using pulleys can also reduce the advantage of pulleys. On the other hand, interception and tackle is a system in which two pulleys are connected to each other using ropes. Unlike pulleys, pulley pulley systems can be adjusted in the direction of travel and can move heavy loads up to four times their force when used in hydraulic lifts.

China supplier Heavy Duty Belt Conveyor Drum/Coal Belt Conveyor Drive Pulley   pulley alternatorChina supplier Heavy Duty Belt Conveyor Drum/Coal Belt Conveyor Drive Pulley   pulley alternator
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