China supplier The Important Transmission Parts of The Conveyor System Drive Pulley and So on wholesaler

Product Description

 

Product Description

    Head Drive Pulley, Return Pulley,Bend Pulley, Snub Pulley,Tensioning Pulley, Take up Pulley can be provided. We are designing and manufacturing pulleys, using materials of the highest quality in a production process employing advanced technology. This together with the application of the Quality Assurance system certifi ed to ISO 9001:2015, contributes to the production of high quality products offering dependable, long life performance in the field and appreciably reducing maintenance cost. Each our conveyor pulley is individually computer designed to meet the client’s requirements.

 

 

Product Name

Belt Conveyor Pulley Drum

Type

Drive Pulley, Bend Pulley,Snub Pulley,Take Up Pulley

Length

200mm-2500mm

Materials

Carbon steel, Stainless steel, Rubber

Surface Treatment

Smooth, CHINAMFG grooved lagging, Herringbone lagging, Ceramic lagging

Welding

Submerged Arc Welding

Bearing

Famous brands

Structure

Tube,shaft,self-aligning bearing,bearing seat/house,hub, locking bushing,end disc

Drive Pulley Introduction:

1. Head/Drive Pulley is located at the discharge terminus of the conveyor. 
2. Drive pulley provides the driving force for the conveyor. In order to increase pulley life and traction, it often has a larger diameter than other pulleys.
3. We can supply pulleys with hot vulcanized rubber lagging, plain or grooved, as required by client. Different patterns of grooving such as herringbone or CHINAMFG can be provided to increase tractive friction under dirty or wet conditions. CHINAMFG grooves have the advantage of being installed in any orientation, regardless of belt direction.

Specification of Drive Head Pulley Drum

Belt Width 500-2800mm (19-110 inch)
Pulley Length 500-3500mm (19-138 inch)
Diameter 200-1800mm (8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, JIS, AS/NS, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel
Length of conveyor drive pulley depends on the width of conveyor Belt. You can get drive pulleys with hot & cold vulcanized rubber lagging, plain or grooved, as required by client.

Bend Pulley Introduction:

1. The bend pulley  is used for changing the direction of the belt.
2. The bend pulley is usually installed at the tail part or the vertical take-up equipment part when the belt direction need to 180°bending. It will be installed above the take-up equipment part while 90°bending.
3. The pulley, which is used for extending the contact surface, is usually used for below or equal to 45 degree bending.
4. The surface treatment of the bend pulley can be smooth steel and flat rubber lagging. 

Specification of Bend Pulley:

Belt Width 500-2800mm(19-110 inch)
Pulley Length 500-3200mm(19-126 inch)
Diameter 200-1800mm(8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel
Length of conveyor bend pulley depends on the width of conveyor Belt. You can get drive pulleys with hot vulcanized rubber lagging, plain or grooved, as required by client.

Snub Pulley
Snub pulley is used to achieve higher angle of wrap on the drive pulley thereby increasing the traction. It also reduces the belt tension maximizing the life of the conveyor component.It is mounted close to the drive pulley on the return side of the belt.

Specification of Snub Pulley:

Items Content
Belt Width 500-2800mm (19-110 inch)
Pulley Length 500-3200mm (19-126 inch)
Diameter 200-1800mm (8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel
Length of conveyor Snubpulley depends on the width of conveyor Belt. You can get Snubpulleys with hot vulcanized rubber lagging, plain or grooved, as required by client.

Take Up Pulley 
The take up pulley will ensure adequate tension of the belt leaving the drive pulley so as to avoid any slippage of the belt, ensure proper belt tension at the loading and other points along the conveyor, compensate for changes in belt length due to elongation, and provide extra length of belt when necessary for splicing purpose.

Specification of take up pulley drum:

Belt Width 500-2800mm(19-110 inch)
Pulley Length 500-3200mm(19-126 inch)
Diameter 200-1800mm(8-70 inch)
Standard ISO9001:2008, CEMA, DIN, TUV, etc.
Working Life More than 30,000 hours.
Surface Flat Rubber Lagged, Ceramic Lagged, CHINAMFG Rubber Lagged, etc.
Main Material Carbon Steel

The components of a pulley drum include the following:

Drum or Shell The drum is the portion of the pulley in direct contact with the belt. The shell is fabricated from either a rolled sheet of steel or from hollow steel tubing.The shell has a specific ‘face’ width and diameter which is determined by the width of the belting and the type and rating of the belt to be used on the conveyor.
Diaphragm Plates The diaphragm or end plates of a pulley are circular discs which are fabricated from thick steel plate and which are welded into the shell at each end, to strengthen the drum.The end plates are bored in their centre to accommodate the pulley shaft and the hubs for the pulley locking elements.
Shaft The shaft is designed to accommodate all the applied forces from the belt and / or the drive unit, with minimum deflection.The shaft is located and locked to the hubs of the end discs by means of a locking elements.
The shaft is supported on both ends by bearings which are housed in plummer blocks, to support the shaft and pulley assembly on the conveyor structure.
Shafts often comprise different diameters along their length due to the bending moments and resultant deflection limitations. The diameter of the shaft at the landings for the bearings may be smaller to satisfy the necessary bearing diameter which is more cost-effective (smaller).
Similarly in the case of a drive shaft, the drive attachment, may be different to the other diameters along the shaft and hence pulley shafts are often stepped.
Locking Elements These are high-precision manufactured items which are fitted over the shaft and into the pulley hubs. The locking elements attach the pulley firmly to the shaft via the end plates.Locking elements work on the friction-grip principle whereby the element is able to be fastened to the shaft and hub simultaneously and concentrically, by tightening a series of screws around the locking element.
Hubs The hubs are fabricated and machined housings which are welded into the end plates. The hubs are sized according to the size of the pulley, the diameter of the shaft and the size of the locking element which is required for the specific duty.
Lagging It is sometimes necessary or desirable to improve the friction between the conveyor belt and the pulley in order to improve the torque that can be transmitted through a drive pulley.Improved traction over a pulley also assists with the training of the belt.
In such cases pulley drum surfaces are ‘lagged’ or covered in a rubberized material. This cover is usually 8 mm to 12 mm thick and can be plain or have a grooved pattern. The rubber lagging is vulcanized to the pulley shell to ensure that it remains attached under adverse operating conditions.
Bearing Assemblies Bearings support the rotating shaft and hence the pulley. The bearings are housed in ‘plummer blocks’ which enable the mass of the pulley assembly plus the belt tension forces to be transmitted to the pulley supporting structure.Plummer blocks are often bolted to ‘sole plates’ which are welded to the structure.
The sole plates incorporate jacking screws to enable the pulley to be correctly and relatively easily aligned.

Several types of bearing housing, seals and end disc:

Pulley Drum Warehouse and package:

Pulley Drums:

Company profile:

        HangZhou CHINAMFG Intelligent Conveying System Co.,Ltd (abbreviated as CHINAMFG Intelligent) is the High-end Conveying Equipment brand , with excellent technical team and in house intellectual property & national patents,developing intelligent conveying machinery. Focusing on transforming itself into international competitive one-station solution provider of intelligent conveying system, providing not only intelligent products but also whole cycle management from construction to operation & service for our customers.Our company located in HangZhou city in North China Plain, it’s the cross road of ZheJiang ,ZheJiang and ZheJiang . We have more than 800 units advanced manufacturing equipments, including 20 large and main units and 3 automatic production lines. The factory covers 253,000 square meters. It’s registered capital is 71,550,00 USD, There are more than 300 employees which contains 30 with middle-level titles and 125 technical workers with high technical skills. Xinriseng is mainly engaged in the manufacture, sales and technical services of belt conveyors, large angle belt conveyors, horizontal curved belt conveyors and long distance crossing conveyors. Our products can be used in metallurgy, building materials, electric power, coal, port and other industries, products have been covered the whole domestic market, and exported to the United States, Germany, France and other EU countries, Australia, Brazil, along the Belt and Road countries, Southeast Asian countries and African emerging markets, totally more than 50 countries, gained the customers’ praise.Our company has a number of provincial innovative platforms, relying on the technological radiation, constantly strengthens exchanges and cooperation with scientific research institutes. We have successively formed school-enterprise partnerships with China University of Mining, ZheJiang University, ZheJiang Materials Handling Research Institute, HangZhou University of Architecture and Technology, keeping the conveyor design at the leading level in China. At the same time, our technical team regularly carries out technical exchanges and discussions with foreign companies, learning international leading design concepts and process methods, and keeps pace with international new technologies.With the innovative technology, good quality, CHINAMFG has established a one-stop service system. We will continue adhering to “servingthe users, making contributions to society”, make our company a flagship of conveying industry with international competitiveness. All in all, our company will provide the best products with high quality and competitive price for our customers and share success with you together.

Certification: CE, ISO
Pulley Sizes: Type F
Manufacturing Process: Casting
Material: Carbon Steel
Surface Treatment: Polishing
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
Customization:
Available

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Customized Request

grooved pulley

What are some real-world examples of grooved pulley applications in various industries?

Grooved pulleys find widespread applications across various industries due to their efficiency, reliability, and versatility. Here are some real-world examples of grooved pulley applications in different industries:

1. Automotive Industry:

– Grooved pulleys are used in engine systems to drive various components such as the alternator, water pump, power steering pump, and air conditioning compressor. They ensure efficient power transmission and contribute to the overall performance of the vehicle.

2. Industrial Machinery:

– Conveyor Systems: Grooved pulleys are employed in conveyor systems to drive and guide belts, allowing for the smooth movement of materials or products in industries such as manufacturing, mining, and logistics.

– Printing Presses: Grooved pulleys are used in printing presses to drive the paper feed and control the precise movement of paper, ensuring accurate registration and high-quality printing.

– Packaging Machinery: Grooved pulleys are utilized in packaging machinery to drive belts that control the movement of packaging materials, such as cartons, bottles, or pouches, through various stages of the packaging process.

3. HVAC Systems:

– Heating, ventilation, and air conditioning (HVAC) systems use grooved pulleys to drive components such as fans and blowers. These pulleys enable efficient power transmission, ensuring proper air circulation and temperature control in commercial and residential buildings.

4. Agricultural Equipment:

– Farm machinery, including tractors, combines, and harvesters, employs grooved pulleys to drive various components such as belts, augers, and cutting mechanisms. Grooved pulleys enable reliable power transmission and facilitate the efficient operation of agricultural equipment.

5. Material Handling:

– Forklifts and other material handling equipment use grooved pulleys to drive lifting mechanisms, conveyors, and other components involved in the movement and transportation of goods within warehouses, distribution centers, and manufacturing facilities.

6. Mining and Construction:

– Grooved pulleys are utilized in mining and construction equipment, such as crushers, screens, and conveyors, to drive belts and facilitate the movement and processing of bulk materials, rocks, or aggregates.

7. Robotics and Automation:

– Grooved pulleys play a vital role in robotic systems and automated machinery by driving belts or timing systems. They ensure precise movement, synchronization, and positioning of robotic arms, actuators, or other components.

8. Fitness Equipment:

– Treadmills, exercise bikes, and other fitness equipment incorporate grooved pulleys to drive belts or cables, facilitating smooth and controlled movement during workouts.

These examples represent just a few of the many applications of grooved pulleys in various industries. The versatility and reliability of grooved pulley systems make them a fundamental component in a wide range of equipment and machinery, enabling efficient power transmission, precise movement, and reliable operation across diverse industrial sectors.

grooved pulley

How does the groove shape and size affect the pulley’s performance?

The groove shape and size of a pulley have a significant impact on its performance in power transmission systems. Here’s a detailed explanation of how the groove shape and size affect the pulley’s performance:

1. Belt Grip and Traction:

The shape and size of the groove play a crucial role in providing adequate belt grip and traction. The groove shape is typically V-shaped, and its angle determines the contact area between the pulley and the belt. A deeper and wider groove with a steeper angle increases the contact area, enhancing the grip and traction between the pulley and the belt. This improved grip minimizes slippage and ensures efficient power transfer.

2. Belt Alignment:

The groove shape and size influence the alignment of the belt on the pulley. The shape of the groove, whether it is symmetric or asymmetric, affects the positioning of the belt. A properly designed groove shape helps guide the belt and keep it aligned on the pulley during operation. This alignment feature prevents belt wandering or slipping off the pulley, supporting smooth and consistent power transmission.

3. Load Distribution:

The groove shape and size also contribute to load distribution across the belt’s surface. A wider and deeper groove provides a larger contact area with the belt, allowing for better load distribution. This even distribution of the transmitted load reduces stress concentrations on specific points of the belt, minimizing the risk of belt failure and ensuring efficient power transmission.

4. Belt Wear:

The groove shape and size can impact belt wear. A properly designed groove shape distributes the contact forces more evenly on the belt, reducing localized wear. The size of the groove, specifically its width and depth, should be appropriate for the belt size to prevent excessive wear. Improper groove dimensions can cause accelerated belt wear, leading to reduced belt lifespan and potential system failures.

5. Belt Flexibility:

The groove shape and size can affect the flexibility of the belt. The groove dimensions should match the belt’s thickness and flexibility to ensure proper fit and prevent excessive bending or deformation of the belt. If the groove is too narrow or shallow, it may restrict the belt’s movement and flexibility, leading to increased friction and wear. On the other hand, an oversized groove may cause the belt to sit loosely, compromising power transmission efficiency.

6. Noise and Vibration:

The groove shape and size can impact the generation of noise and vibrations in the power transmission system. A well-designed groove shape helps to dampen vibrations that can occur during power transmission, reducing noise and potential damage to the system. The size of the groove can also influence the noise level. If the groove is too narrow, it may cause excessive noise due to increased friction between the belt and the pulley.

7. Belt Type Compatibility:

The groove shape and size should be compatible with the specific type of belt used in the power transmission system. Different types of belts, such as V-belts, V-ribbed belts, or timing belts, have specific requirements for groove shape and size. Ensuring the proper groove dimensions for the specific belt type is essential to achieve optimal performance and prevent premature belt failure.

In summary, the groove shape and size of a pulley significantly impact its performance in power transmission systems. These factors influence belt grip and traction, belt alignment, load distribution, belt wear, belt flexibility, noise and vibration levels, as well as compatibility with the belt type. Proper design and selection of the groove shape and size are crucial for achieving efficient and reliable power transmission.

grooved pulley

What is a grooved pulley, and how does it differ from standard pulleys?

A grooved pulley, also known as a V-groove pulley, is a type of pulley that features one or more grooves or channels along its circumference. These grooves are typically in the shape of a V and are designed to accommodate V-belts or V-ribbed belts. Here’s a detailed explanation of the characteristics and differences of grooved pulleys compared to standard pulleys:

1. Belt Compatibility:

The main difference between grooved pulleys and standard pulleys lies in their belt compatibility. Grooved pulleys are specifically designed to work in conjunction with V-belts or V-ribbed belts. These belts have a trapezoidal or ribbed cross-section that matches the shape of the grooves in the pulley. In contrast, standard pulleys are designed to be used with flat belts, which have a rectangular cross-section. The grooves in a grooved pulley provide a better grip for the V-belt or V-ribbed belt, ensuring efficient power transmission and reduced slippage.

2. Enhanced Belt Traction:

The grooves in a grooved pulley significantly increase the traction between the pulley and the V-belt or V-ribbed belt. The V-shaped grooves create multiple contact points along the belt’s width, distributing the load evenly and maximizing the grip. This enhanced traction is particularly beneficial in applications where high torque or heavy loads are involved. It helps prevent belt slipping, which can cause power loss, decreased efficiency, and premature wear of both the belt and the pulley.

3. Alignment and Tracking:

Grooved pulleys aid in belt alignment and tracking. The V-shaped grooves guide the V-belt or V-ribbed belt and help keep it centered on the pulley. This alignment ensures smooth and consistent power transmission, minimizing vibrations and reducing the risk of belt wandering or jumping off the pulley. Standard pulleys, on the other hand, rely on other mechanisms such as belt guides or tensioning systems to maintain belt alignment.

4. Load Distribution:

The grooves in a grooved pulley assist in distributing the load evenly across the surface of the belt. As the belt sits in the grooves, the contact area between the belt and the pulley increases. This broader contact area helps distribute the load more evenly, reducing stress concentration and extending the lifespan of the belt and pulley. In standard pulleys with flat belts, the load distribution is primarily dependent on the width of the belt.

5. Application Specificity:

Grooved pulleys are commonly used in applications where V-belts or V-ribbed belts are preferred or necessary. These applications include automotive engines, industrial machinery, HVAC systems, and various power transmission systems. Standard pulleys, on the other hand, are more versatile and can accommodate different types of belts, including flat belts and timing belts. The choice between grooved pulleys and standard pulleys depends on the specific requirements of the application and the type of belt being used.

In summary, grooved pulleys differ from standard pulleys primarily in belt compatibility, enhanced traction, alignment and tracking capabilities, load distribution, and application specificity. The grooves in a grooved pulley accommodate V-belts or V-ribbed belts, provide better grip and traction, aid in alignment and tracking, distribute loads evenly, and are commonly used in specific applications where V-belts or V-ribbed belts are utilized.

China supplier The Important Transmission Parts of The Conveyor System Drive Pulley and So on   wholesaler China supplier The Important Transmission Parts of The Conveyor System Drive Pulley and So on   wholesaler
editor by CX

2023-10-06