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
Can belt pulleys be part of HVAC systems and air conditioning units?
Yes, belt pulleys can indeed be part of HVAC (Heating, Ventilation, and Air Conditioning) systems and air conditioning units. They play a crucial role in the operation of these systems, contributing to the movement of air, power transmission, and controlling the functionality of various components. Here’s a detailed explanation of how belt pulleys are involved in HVAC systems and air conditioning units:
1. Air Handling Units: Belt pulleys are commonly used in air handling units (AHUs) of HVAC systems. AHUs are responsible for circulating and conditioning air within buildings. Belt-driven AHUs employ pulleys to drive the fans or blowers that move air through the system. The rotation of the pulleys drives the fan blades, creating airflow and facilitating the exchange of heat or coolness in the air conditioning process.
2. Cooling Towers: Cooling towers, a key component of HVAC systems, are used to remove heat from the building. Belt pulleys are employed in cooling towers to drive the fan systems that enhance the cooling process. The pulleys drive the cooling tower fans, which draw in ambient air and facilitate the evaporation of water, effectively dissipating heat and lowering the temperature of the circulated water.
3. Fan Coil Units: Fan coil units are part of HVAC systems and provide localized heating or cooling to specific areas within a building. Belt pulleys can be used in fan coil units to drive the fans that distribute conditioned air. The rotation of the pulleys drives the fan blades, enabling the movement of air through the unit and delivering heating or cooling to the desired space.
4. Compressors: In air conditioning units, belt pulleys are employed in the compressor system. The compressor is responsible for compressing the refrigerant, which enables the cooling process. Belt-driven compressors use pulleys to drive the compressor’s motor, which pressurizes the refrigerant and facilitates its movement through the air conditioning system. The pulleys ensure the efficient operation of the compressor, which is essential for the cooling function.
5. Power Transmission: Belt pulleys are essential for power transmission in HVAC systems and air conditioning units. They are used to transmit power from the motor or engine to various components, such as fans, compressors, pumps, and other mechanical parts. The rotation of the pulleys transfers power and enables the operation of these components, ensuring the functionality of the HVAC system or air conditioning unit.
6. Variable Speed Control: Belt pulleys can also be utilized for variable speed control in HVAC systems. By using pulleys of different sizes or incorporating variable speed pulley systems, the rotational speed of fans or other driven components can be adjusted. This allows for precise control over airflow, temperature, and overall system performance, optimizing energy efficiency and comfort levels in the building.
7. Maintenance and Serviceability: Belt pulleys in HVAC systems and air conditioning units are designed for easy maintenance and serviceability. They allow for straightforward belt replacement or adjustment, ensuring that the system can be properly maintained and serviced to maintain optimal performance and reliability.
In summary, belt pulleys are integral components of HVAC systems and air conditioning units. They are involved in power transmission, driving fans and blowers, controlling compressors, and facilitating the movement of air for heating, cooling, and ventilation. Belt pulleys contribute to the overall functionality, energy efficiency, and serviceability of HVAC systems, playing a vital role in providing comfortable and controlled environments in residential, commercial, and industrial buildings.
How does the size and design of a belt pulley impact its performance?
The size and design of a belt pulley have a significant impact on its performance in power transmission systems. The size refers to the dimensions of the pulley, such as its diameter and width, while the design encompasses factors like the groove profile, material selection, and overall construction. Here’s a detailed explanation of how the size and design of a belt pulley impact its performance:
1. Speed and Power Transmission: The size of a belt pulley directly affects the speed and power transmission capability of the system. A larger pulley diameter results in higher belt speeds and increased power transmission capacity. On the other hand, a smaller pulley diameter allows for slower speeds and reduced power transmission. The selection of an appropriate pulley size depends on the desired speed and torque requirements of the application.
2. Belt Tension and Grip: The size and design of a belt pulley influence the tension and grip between the belt and pulley. A larger pulley diameter increases the angle of wrap, which improves the belt’s grip on the pulley and enhances power transmission efficiency. Additionally, the width of the pulley affects the contact area with the belt, allowing for higher load-carrying capacity. Proper belt tension and grip are crucial for preventing belt slippage, maximizing power transfer, and ensuring reliable operation.
3. Speed Ratio: The size and design of the driving and driven pulleys determine the speed ratio between them. By selecting pulleys of different sizes or varying the number of grooves, the speed ratio can be adjusted. This is important in applications where specific speed requirements need to be met, such as in machinery that requires different operating speeds for various operations. The design of the pulleys, including the groove profile and pitch diameter, must be considered to achieve the desired speed ratio.
4. Belt Life and Wear: The size and design of a belt pulley can impact the life and wear characteristics of the belt. Improper pulley sizing or design can lead to excessive belt tension, uneven belt loading, or misalignment, resulting in premature wear and failure of the belt. A well-designed pulley with appropriate dimensions, smooth groove profiles, and proper alignment reduces belt stress and wear, prolonging the belt’s lifespan and reducing maintenance requirements.
5. Noise and Vibration: The size and design of a belt pulley can influence the noise and vibration levels in the power transmission system. Proper pulley size selection and design considerations, such as balancing the pulley, ensuring concentricity, and minimizing runout, help reduce vibration and noise generation. This improves overall system performance, operator comfort, and reduces the potential for component fatigue or damage.
6. Material Selection and Construction: The design of a belt pulley includes material selection and construction considerations. Different materials, such as steel, cast iron, aluminum, or composites, offer varying levels of strength, durability, and resistance to factors like corrosion or extreme temperatures. The design may also include features like hubs, keyways, or flanges, which enhance the pulley’s performance and facilitate proper installation and alignment in the system.
Overall, the size and design of a belt pulley play a crucial role in determining its performance in power transmission systems. Factors such as speed and power transmission capability, belt tension and grip, speed ratio, belt life and wear, noise and vibration levels, and material selection all depend on the proper sizing and design of the pulley. Attention to these factors ensures optimal performance, efficiency, and reliability in belt-driven applications.
What is a belt pulley, and how is it used in mechanical systems?
A belt pulley is a mechanical device used in various systems to transmit power and motion between rotating shafts. It consists of a wheel with a grooved rim, known as the pulley, that is connected to a shaft. The pulley is typically made of materials such as cast iron, steel, or aluminum. It is used in conjunction with a belt or a rope to transfer rotational motion from one shaft to another. Here’s a detailed explanation:
A belt pulley is essential in mechanical systems for the following purposes:
- Power Transmission: The primary function of a belt pulley is to transmit power between rotating shafts. It connects the driving shaft (input) to the driven shaft (output) through a belt or a rope. When the driving shaft rotates, the belt or rope engages with the grooves on the pulley, causing the pulley and the driven shaft to rotate. This allows power to be transferred from the driving shaft to the driven shaft, enabling the operation of various mechanical components or systems.
- Speed Control: Belt pulleys are used to control the rotational speed of driven shafts. By varying the size or ratio of the pulleys connected by the belt, the rotational speed can be adjusted. Using different-sized pulleys, it is possible to increase or decrease the speed of the driven shaft compared to the driving shaft. This speed control capability is beneficial in applications where different rotational speeds are required for specific operations or to match the requirements of different components in a system.
- Directional Change: Belt pulleys also enable the change of direction in mechanical systems. By arranging multiple pulleys with belts or ropes in a system, the rotational motion can be redirected. For example, a system with two pulleys connected by a belt can change the direction of the driven shaft compared to the driving shaft. This directional change allows for the transmission of power and motion in desired orientations, enabling the operation of mechanical components or systems in different directions.
- Tension Control: Belt pulleys play a role in maintaining proper tension in belt-driven systems. The tension in the belt is important to ensure a secure and reliable connection between the pulleys. Pulleys with adjustable features, such as tensioning systems or idler pulleys, help maintain the optimal tension in the belt. Proper tension control prevents belt slippage, ensures efficient power transmission, and reduces wear on the belt and pulley surfaces.
- Noise and Vibration Reduction: Belt pulleys contribute to noise and vibration reduction in mechanical systems. The design of the pulley, including the groove profile and surface finish, can help minimize noise and vibration generated during operation. Additionally, proper alignment and tensioning of the belt ensure smoother engagement with the pulley, reducing noise and vibration levels. This is particularly important in applications that require quiet operation or where excessive vibrations can affect system performance or operator comfort.
- Compatibility and Interchangeability: Belt pulleys offer compatibility and interchangeability benefits in mechanical systems. They provide a flexible and modular approach to power transmission, allowing different pulleys to be easily interchanged or replaced based on specific requirements. This versatility enables system designers and operators to adapt and modify mechanical systems more efficiently, making it easier to accommodate changes in load, speed, or other operational parameters.
In summary, a belt pulley is a mechanical device used for power transmission and motion control in various mechanical systems. It connects rotating shafts through belts or ropes, allowing power to be transmitted from one shaft to another. Belt pulleys provide speed control, directional change, tension control, noise and vibration reduction, as well as compatibility and interchangeability benefits. By utilizing belt pulleys, mechanical systems can efficiently transfer power, control speeds, and enable the operation of different components or systems in desired directions.
editor by CX