We can produce conveyor rollers of various standards, diameters, lengths, and types
Welcome to write to us
|Fabrication Services flat belt idler pulley for belt conveyor
|Used in electric power, metallurgy,mine,coal, cement,steel,chemical, port, hydroelectric power and grain industries
3)Length:500mm-5000mm,depends on the belt width of the conveyor
|Big roving crack, deep groove ball with double sealing
|Pipe and bearing housing with automatic welding
|Smooth steel color surface, rubber lagging surface
|Red,green,blue or as require
|More than 30,000 hours
Our Pulley Features:
|Conveyor Pulley Test
1. All butt welds shall be full Penetration
2. All welds to be full seal welds to prevent rust
3. Shell seam welds are submerged arc (SAW)
4. Includes stress relieving of shell prior to machining
5. Ultrasonic testing of all shafts
6. Drillings for Temperature probe / vibration analysis device
7. Remove all butts and sharp edges
|Conveyor Pulley Shaft Selection
The major cause of conveyor pulley failure is excessive shaft deflection. The Conveyor Pulleys – ZheJiang HSCD Engineering department can perform Stress Analysis and Finite Element Analysis to maximize your conveyor pulley performance.
|Conveyor Pulley Shell Material
Q345B Carbon Steel
GR350 Carbon Steel
ANSI 4140 Alloy Steel
ASTM A514B Stainless Steel
|SKF/NSK/ /HRB/LYC, as customer request.
|Conveyor Pulley Lagging
Plain rubber lagging, Herringbone and CHINAMFG grooves are all available
. Hot Vulcanised Durometer
. Hardness 50-55-65 Shore A, M Grade
. Oil Resistant, Heat Resistant FRAS
•Drive pulley, Head pulley and Tail Pulleys
•Snub pulley & Bend Pulleys
•Self Cleaning Spiral CHINAMFG pulley & Drum Pulleys
• The thick pulley shell absorbs more stress.
• The large CHINAMFG angle provides superior belt tracking capabilities.
• True concentric machining provides:
• maximum contact with the belt,
• consistent belt content discharge,
• less deflection of shaft,
• less stress on the bearings
Conveyor Pulley Designs
•Liveshaft or Deadshaft types.
•Flat or crowned shell.
•Taconite, labyrinth or speciality seals.
•Oil or grease lubricated.
•Self centering or low pressure lock element designs.
Packaging & Shipping
ITALY CHINAMFG OU GROUP is a CHINAMFG international companies in the world advanced level . REAL is a registered trademark of CHINAMFG OU GROUP , designed and manufactured REAL brand roller, roller , large belt conveyors in Italy, Germany, Turkey and other countries have extensive influence , by customers alike. CHINAMFG OU GROUP valued Chinese market there is huge potential, has been dedicated to the development of China ‘s roller market. In order to meet the needs of the customers , after many visits screening, HangZhou CHINAMFG Conveying Machinery Co.,Ltd, advanced production technology and years of quality customers as a platform , has won REAL directors unanimously approved, CHINAMFG OU GROUP authorized HangZhou CHINAMFG Conveying Machinery Co.,Ltd REAL brand for the Chinese region specified design and development, production and sales, service as 1 of the company, CHINAMFG OU GROUP, with its strong technical foundation, rich belt conveyor production experience and the international influence of the brand as a backup support, REALwith CHINAMFG joint venture together to open up the Chinese market a variety of mine roller, belt conveyors businesses together to provide our customers with quality services. HangZhou CHINAMFG Conveying Machinery Co.,Ltd was founded in May 2 thousand and five. It’s a private enterprise of stock-holding system .It was located in the economic and technological development zone of Xihu (West Lake) Dis. town, HangZhou city. ZheJiang province .This place is beautiful and CHINAMFG ,and the transport is very convenient.On November 18, 2013, joint venture with the ITALY CHINAMFG OU GROUP, specializes in producing REAL brand TD75, DTII, DTIIA type fixed conveyor, mobile elevating conveyors, roller and roller.The products have gained various patents . We have got the national industrial products production license issued by the state administration of quality supervision, inspection and quarantine of the People’s Republic of China , the company has been identified as CHINAMFG trademarks in dHangZhou city committee. Enhance the brand of ‘YI LUN’.Our company has the right of exportation and the products are sold to Middle East ,Africa ,Australia ,Europe ,Southeast Asia ,Russia and some other countries and regions. The company has large lathe, numerical control, double pressing machine, double welding machine, double boring lathe, milling machine, sawing machine and so on .The company produces more than 2 thousand rollers a day and over 7 hundred thousand a year .We choose and use the special tube ,cold-drawing shaft and famous bearing to make the rollers ,and the rollers were sealed by nylon .The professional inspectors used testing equipments to examine waterproof , preventing static electricity ,sideways ,moving up and down ,revolving resistance and falling of the rollers .The examine result is that the qualified rate of the rollers is over 98%. The noise of the rollers is very low and its turning is very nimble .The life of the rollers is over 30000 hours ,and the products were praised by all the customers .The products were widely used for mine ,coal mine ,port ,steel plant ,electric plant ,feed-processing plant ,cement plant and some other enterprises. This company pursues that credit is as aim and puts the quality above all else .We request to live and develop with quality and credit .Strengthen the inner management and improve the quality of the products constantly .Offer the best products for customers from the beginning to the end .At the same time ,provide quality service for the customers ,because serving the customers well is also the aim of our enterprise.
|HangZhou CHINAMFG Conveying Co., Ltd
|Stainless Steelseamless pipe, welded pipe
|Any size as your demand
|Red, yellow,any color as your demand
|ISO 9001:2000 , BV Certificate
|At least 5000 hours
|Material for transport
|Common paint and baking varnish
|1500pcs per day
|7-15days after getting the deposite
|1.Large capacity,2.High speed.3.Easy to install,repaire and maintenance.4.High output,efficiency,low noise.
|1.Best price.2.Quality control whole process.3.Quick,efficient,comprehensive service.
1. who are we?
We are based in ZheJiang , China, start from 2005,sell to Mid East(64.00%),Eastern Asia(16.00%),South America(7.00%),Southeast Asia(7.00%),Africa(6.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
s final Inspection before shipment;
3.what can you buy from us?
Belt Conveyor,Conveyor Spare Parts,Conveyor Pulley,roller brackets,belts
4. why should you buy from us not from other suppliers?
We have a professional team with rich experience in conveyor industry at CHINAMFG Our team will provide first-class service to you.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
|Frequency Control Motor
|Thickness of Rubber Surface:
|8mm 10mm 12mm 15mm 20mm
What types of materials are commonly used for V pulley components?
Various materials are used for different components of V pulleys to provide the necessary strength, durability, and performance characteristics. Here are some commonly used materials for V pulley components:
1. Pulley Body:
The main body or rim of a V pulley is often made of materials such as:
- Cast Iron: Cast iron is a popular choice for its high strength, durability, and resistance to wear. It can handle heavy loads and is commonly used in industrial applications.
- Steel: Steel is another common material for V pulleys due to its strength and ability to withstand high loads. It is often used in heavy-duty applications that require excellent durability.
- Aluminum: Aluminum pulleys are lightweight and offer good corrosion resistance. They are commonly used in applications where weight reduction is desired, such as in automotive and aerospace industries.
- Plastic: Certain types of durable plastics, such as nylon or polypropylene, may be used for pulleys in applications where weight reduction, corrosion resistance, or noise reduction is important.
The hub of a V pulley, which connects the pulley to the shaft, is typically made of materials like:
- Steel: Steel hubs provide high strength and durability, making them suitable for heavy-duty applications.
- Aluminum: Aluminum hubs are lightweight and offer good corrosion resistance. They are commonly used in applications where weight reduction is desired.
- Cast Iron: Cast iron hubs are known for their strength and durability, providing a secure connection between the pulley and the shaft.
3. Coatings and Finishes:
In addition to the base materials, V pulleys can be coated or finished with protective layers to enhance their performance and longevity. Some common coatings and finishes include:
- Zinc Plating: Zinc plating provides corrosion resistance, protecting the pulley from environmental factors.
- Powder Coating: Powder coating offers a durable and aesthetically pleasing finish while providing corrosion protection.
- Black Oxide: Black oxide coating improves the pulley’s surface hardness and provides some corrosion resistance.
- Anodizing: Anodizing is commonly used on aluminum pulleys to enhance their corrosion resistance and improve surface durability.
The selection of materials for V pulley components depends on factors such as the application requirements, load capacity, environmental conditions, and desired performance characteristics. Manufacturers consider these factors to ensure that the chosen materials meet the specific needs of the application and provide reliable and efficient power transmission.
How do V pulleys contribute to efficient power transmission?
V pulleys play a crucial role in enabling efficient power transmission in mechanical systems. Here’s a detailed explanation of how V pulleys contribute to efficient power transmission:
1. Frictional Engagement:
V pulleys are designed with a V-shaped groove that matches the cross-section of V-belts. This groove profile allows for maximum contact area between the pulley and the belt, creating frictional engagement. The friction generated between the pulley and the belt enables the transfer of torque from the driving pulley to the driven pulley.
2. High Friction Coefficient:
V-belts used with V pulleys typically have a high friction coefficient. This characteristic enhances the grip between the belt and the pulley, ensuring efficient power transmission. The high friction coefficient helps prevent belt slippage, even under heavy loads or during sudden acceleration or deceleration.
3. Multiple V-Belt Contact Points:
Due to the V-shaped groove design, V pulleys provide multiple contact points along the length of the belt. This multi-point contact distributes the load across the belt and the pulley, reducing stress concentration on specific areas. It increases the overall power transmission capacity and improves the longevity of the belt and the pulley.
4. Flexibility and Shock Absorption:
V-belts used with V pulleys are flexible and elastic. This flexibility allows them to accommodate slight misalignments between the driving and driven pulleys, reducing stress on the system. Additionally, V-belts have shock-absorbing properties that help dampen vibrations and impacts, protecting the pulleys and other components from excessive wear or damage.
5. Noise Reduction:
V-belt drive systems are known for their quiet operation. The design of V pulleys, combined with the flexibility and smooth engagement of V-belts, minimizes noise generation. This makes V pulleys suitable for applications where noise reduction is desired, such as HVAC systems or indoor environments.
6. Speed Variation and Transmittable Power:
V pulleys allow for easy adjustment of speed variation by changing the pulley diameters or using pulleys with different groove sizes. This flexibility in speed control enables efficient power transmission in various applications. Additionally, V-belt drive systems can transmit a considerable amount of power, making them suitable for both low and high-power applications.
7. Maintenance and Replacement:
V pulleys are relatively easy to install, maintain, and replace. The simplicity of the design and the availability of standardized components contribute to the overall efficiency of the power transmission system. Regular inspection, proper tensioning, and occasional belt replacement ensure the continued efficiency of the V pulley system.
Overall, the unique design features and characteristics of V pulleys, combined with the use of V-belts, contribute to efficient power transmission by maximizing frictional engagement, distributing load, accommodating misalignments, reducing noise, and allowing for speed variation. These factors make V pulleys a popular choice for a wide range of mechanical systems that require reliable and efficient power transmission.
What are the primary components and design features of a V pulley?
A V pulley, also known as a V-belt pulley or sheave, consists of several primary components and design features that enable its functionality. Here’s an explanation of the primary components and design features of a V pulley:
The body of a V pulley is the main structural component. It is typically made of metal, such as cast iron or steel, to provide strength and durability. The body is designed to support the V-belt and transmit power from the driving source to the driven component. It may have a solid construction or be split into two halves for easy installation or replacement.
The groove is a key design feature of a V pulley. It is a V-shaped channel or groove that runs along the outer circumference of the pulley. The groove is specifically designed to accommodate the V-belt with a corresponding trapezoidal cross-section. The V shape of the groove enhances the grip between the pulley and the belt, ensuring efficient power transmission and reducing the risk of slippage.
The diameter of a V pulley refers to the distance across its outer circumference. It plays a crucial role in determining the speed ratio and torque transmission of the power transmission system. By changing the diameter of the pulley, different speed ratios can be achieved between the driving source and the driven component. Larger pulley diameters generally result in higher belt speeds and lower torque, while smaller diameters lead to slower belt speeds and higher torque.
4. Number of Grooves:
V pulleys can have a single groove or multiple grooves, depending on the specific application. The number of grooves corresponds to the number of V-belts used in the power transmission system. Multiple grooves allow for the simultaneous power transmission to multiple driven components, such as in systems with multiple accessories or pulleys in automotive engines.
5. Tapered or Straight Design:
V pulleys can have a tapered or straight design, depending on the requirements of the application. Tapered pulleys are wider at one end and narrower at the other, allowing for easier belt installation and improved belt tracking. Straight pulleys have a consistent width along their entire circumference and are commonly used in applications where belt tracking is not a significant concern.
6. Surface Finish:
The surface finish of a V pulley is important for optimizing the performance and lifespan of the V-belt. The pulley’s surface should be smooth and free from any roughness or irregularities that could cause excessive belt wear or damage. Proper surface finish ensures proper belt contact, reduces friction, and enhances the overall efficiency of the power transmission system.
7. Mounting Mechanism:
V pulleys are mounted on shafts or bearings using various mounting mechanisms, such as set screws, bolts, or keyways. The mounting mechanism ensures secure and reliable attachment of the pulley to the rotating shaft, allowing for the transmission of rotational motion and torque.
By considering these primary components and design features, engineers can select and design V pulleys that are suitable for specific applications, ensuring efficient power transmission and reliable operation in mechanical systems.
editor by CX