China Standard Drum and CZPT Pulleys CZPT Drum and CZPT Pulleys pulley block

Product Description

Drum and CHINAMFG Pulleys CHINAMFG Drum and CHINAMFG Pulleys

1.Driving pulley is the main part for transmiting the power,as per the diferent carying capacities,the drivingpulley can be divided into 3 categones:Light duty,meium duty and heavy duty,and for the same diameter ofthe pulley,there are many different axle diameters and central spans.
The surface teatrment of the drving puley can be smooth steel,hering bone or rhombic rubber lagging,thesmooth steel pulley is available for the place which environment is small power,smal belt width and dry,theherring bone rubber lagging has a big friction facto,beter anti-slippery and drainage ability,but it has its owndirection,the rhombic rubber lagging is available for twoway operating conveyors,the vuicanized rubber laggedpulley are mesty used for important applicatons.
2.The tail pulley is used for changing the direction of the belt running or increasing the wrap angle between theconveyor belt and the driving pulley As per different carrying capacities,the bend pulley can be divided into 3 calegories:light duty,medium duty and heaw cluty.The pulley which is used for extending the contact surface,is usualy used for belowor equal to 45 degree bending.The sutace treatment of the bend puley can be smooth stel and fat rubber lagging.

Type Belt width(mm) Standard Diameter(mm) Length(mm)
Drive pulley 500 500 Length of the pulley depends on the belt width of the conveyor
650 500~630
800 630~1000
1000 800~1150
1200 800~1150
1400 1000~1350
1600 1150~1600
1800 1150~1800
2000 1350~2000
2200 1600~2200
2400 1800~2400
Bend pulley 500 250~500
650 250~630
800 250~1000
1000 250~1600
1200 250~1600
1400 315~1600
1600 400~1600
1800 400~1600
2000 500~1600
2200 630~1600
2400 800~1600

 Advantages:

1. Dust-proof & Water-proof
The contact-sealing is adopted, which enjoys more superior dustproof and waterproof
2. Low Vibration and Noise
Static balance test to ensure G40 accuracy level.
3. Strong Force of Friction
The material for shaft is forged shaft of 40Cr instead of #45 round steel,which improves mechanical property
4. Easy Installation & Simple Maintenance
The bearing block and taper-lock are ground, which ensure the installation precision
5. Min 50000 hours service life

 

1.Raw material control:
Suppliers are on continuous supervision and guidance,subcontracted parts should be 100%tested before implementation.
2.The inner product:
Strict implementation of processing route.Improving process guidance,refining on innerproduct.
3. Assermbly and completion of inspection:
In strict accordance with the assembling work instruction,strict inspection process for accuracyand performance of production.
4.Product acceptance:
Strict compliance with the acceptance criteria,a comprehensive review of the product to ensureproduct qualified.

1.)Pipe: seamless steel : it was precisely cut by using the flame cutting machine.

2.)The sleeve & disc :it was cut by using the laser cutter machine precisely.

 

3.)Shaft: We chose 45# round steel & sleeve and process the whole shaft so that it ensures shaft concentricity and reduction for the eccentric shaft force. It make sure the pulley move more stable

4.)Bearing set & bearing: high-quality bearing which is hot charging and bearing block are equipped inner bearing enlargement device, so the bearing can be easily pushed to the bearing position  and it avoids the bearing damage from the beating.

Testing for the pulley

We have the professional testing machine for the pulley.    We need make the eliminating inner stress treatments when the pulley’s withstand forces exceed 80KN and we will make the static  balance inspection when the belt speed exceeds 2.5m/s.  
And we laso make the Drum dynamic balance test for the pulley to confirm the good quality before sent to the customer.

Packing:
After all the goods tested then make the packing, then the goods put into the warehouse to wait to send to the customer
Our projects:
Exhitbition and the customer visiting~
We also attend many kinds of related exhibitations to know more our products for the customer. Such as Canton fair, buma fair andother minging fairs.
Our company and products get the customer approve and many customer vist us and make the orders for us.

Company certificate &honor
We have the ISO 9001 certification The products have gained various patents. For example: Trademarks, patents,ects.

After sale service
We provide the customer best after sale services, and we solve the problems any time.
 

1)Installation guide;

2)Provide drawings and instructions;

3)On-site guidance of dispatched engineers;

4)Product after sales:

The machine has a long warranty of 2 years ;

Roller warranty 50,000 hours.

The company introduction:
 HangZhou CHINAMFG conveying Machinery Co.,Ltd was founded in 2005.      
It’s registered capital is 11.68million CNY and It is private joint-stock enterprise. Our main products are cnoveyor roller,idler,frame, pulley,belt and belt conveyor system for TD75 ,DTII,DTIIA,CEMA ects.
we has large lathes, numerical control, double pressing machine, double welding machine, double boring lathe, milling machine, sawing machine and so on. The products have gained various patents. We can produce more than 1 thousand rollers and 10 pulleys per day.
We have the professionalQC dept. to keep the good quality before the goods sent out. The products are sold to Middle East,Africa ,Australia,Europe,Southeast Asia,Russia and some other countries and regions. We will Strengthen the inner management and improve our products’ quality constantly.We will offer the best products for customers from the beginning to the end.


FAQ

1.Q: Your bearing type and brand usually use? 
 A:Large ball bearing type deep ball bearing withSRB, and according to customer’s requirements. 

2.Q: How is your Payment Term? 
A: T/T or L/C. Another payment term we can also discuss. 

3.Q: Can you customize it? 
A: We support customization according to your request. 

4.Q: What’s the MOQ? 
A: 3 piece. 

5.Q: What’s the production capacity of your conveyor pulley? 
20 pcs/day.

6.Q: What’s your roller’s lifetime?
Our pulley have a long lifetime with good performance and usually
make sure 30000 to 50000 hours under the normal site and operation.

Contact us: 
Contact person: Sunny Li
 

 

Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: No Motor
Installation: Horizontal
Bearing: Self-Aligning Ball Bearings
Pulley Lagging Type: Heat/Thermal Vulcanized Rubber Casting, Rubber Lag
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

What role do grooved pulleys play in power transmission and conveyor systems?

Grooved pulleys, also known as V-groove pulleys, play a crucial role in both power transmission and conveyor systems. Here’s a detailed explanation of the role of grooved pulleys in these systems:

1. Power Transmission Systems:

In power transmission systems, grooved pulleys are used to transmit mechanical power from one rotating shaft to another. The primary function of grooved pulleys in power transmission is to transfer torque and rotational motion between the driving and driven components. Here’s how grooved pulleys contribute to power transmission:

a. Belt Traction and Grip:

Grooved pulleys provide increased belt traction and grip, ensuring efficient power transfer. The V-shaped grooves in the pulleys match the corresponding shape of V-belts or V-ribbed belts, creating multiple contact points. This enhanced grip minimizes slippage, allowing the pulleys to transmit power effectively without power loss due to belt slippage.

b. Belt Alignment and Tracking:

The grooves in the pulleys help in aligning and tracking the belt during operation. The V-grooves guide the belt, keeping it centered on the pulley. This alignment feature prevents the belt from wandering or slipping off the pulley, ensuring smooth and consistent power transmission. Proper belt alignment also helps in reducing wear and extending the belt’s lifespan.

c. Load Distribution:

Grooved pulleys facilitate even load distribution across the belt’s surface. The shape and size of the grooves influence the contact area between the pulley and the belt. A wider and deeper groove allows for a larger contact area, distributing the transmitted load more evenly. This even load distribution minimizes stress concentrations on specific points of the belt, reducing the risk of belt failure and ensuring reliable power transmission.

d. Belt Type Compatibility:

Grooved pulleys are designed to be compatible with various types of belts, such as V-belts, V-ribbed belts, timing belts, or even flat belts. The dimensions and shape of the grooves are specifically designed to accommodate the corresponding belt type. This compatibility allows for flexibility in selecting the appropriate pulley and belt combination based on the power transmission requirements of the system.

2. Conveyor Systems:

Grooved pulleys also play a significant role in conveyor systems, which are widely used in industries for the movement of materials or products. Here’s how grooved pulleys contribute to the functioning of conveyor systems:

a. Belt Tensioning and Tracking:

Grooved pulleys help in tensioning and tracking the conveyor belt. The V-grooves in the pulleys provide a guiding path for the belt, ensuring proper alignment and preventing the belt from slipping off the pulley during operation. This helps maintain the tension in the belt and keeps it centered on the pulley, allowing for efficient and reliable material transport.

b. Belt Drive and Speed Control:

In conveyor systems, grooved pulleys are often used as drive pulleys. The motor or power source drives the pulley, which, in turn, drives the conveyor belt. By adjusting the speed of the motor or changing the pulley size, the speed and direction of the conveyor belt can be controlled. This allows for precise material handling and control within the conveyor system.

c. Load Support and Belt Stabilization:

Grooved pulleys provide support and stability to the conveyor belt. The grooves in the pulleys help distribute the load evenly across the belt’s width, preventing sagging or excessive belt deformation. This ensures smooth and consistent material transport and prevents the belt from slipping or getting damaged, especially when handling heavy loads or operating at high speeds.

d. Belt Cleaning and Maintenance:

Grooved pulleys can also assist in belt cleaning and maintenance in conveyor systems. The grooves in the pulleys allow for the attachment of cleaning accessories, such as scrapers or brushes, which help remove debris or material residue from the belt surface. This promotes proper belt hygiene, reduces the risk of contamination, and extends the belt’s lifespan.

In summary, grooved pulleys play a critical role in both power transmission and conveyor systems. In power transmission, they facilitate efficient torque transfer, ensure belt traction and grip, align and track the belt, distribute the load evenly, and offer compatibility with various belt types. In conveyor systems, grooved pulleys aid in belt tensioning and tracking, drive and speed control, load support and stabilization, as well as belt cleaning and maintenance. The proper selection and use of grooved pulleys contribute to the reliable and efficient operation of these systems.

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 Standard Drum and CZPT Pulleys CZPT Drum and CZPT Pulleys   pulley block	China Standard Drum and CZPT Pulleys CZPT Drum and CZPT Pulleys   pulley block
editor by CX

2023-12-15