Product Description

V-grooved Taper Bushed Pulley
Type: SPB
Size: 80 ~ 1250
Materials: HT250( C45 steel optional)

Groove
Profile
WP b t e f PD Angle
g
SPZ 8.5 2.0 +0.6
11.0 0
12±0.3 8.0±0.6 ≤80 34±1 9.72
>80 38±1 9.88
SPA 11.0 2.8 +0.6
13.8 0
15±0.3 10.0±0.6 <118 34±1 12.68
>118 38±1 12.89
SPB 14.0 3.5 +0.6
17.5 0
19±0.4 12.5±0.8 ≤190 34±1 16.14
>190 38±1 16.41
SPC 19.0 4.8 +0.6
23.8 0
25.5±05 17.0±l ≤315 34±0.5 21.94
>315 38±0.5 22.31

Our Mission

Our mission is to build solid, reliable products, provide exceptional service, re-invest in technology and make a dedicated effort to understand the needs of our customers while providing a positive workplace for our employees.

Our philosophy is to design, manufacture and sell our products with all markets in mind. You will never be limited to 1 application with our products.

Who We Are

For more than 15+ years, CHINAMFG has grown into a manufacturing and sales company of standard and custom bearings, automotive bearings, spraying equipment, with focus on research and development of the best products for specific applications. We enjoy working closely with designers and engineers to figure out how to address out a complex manufacturing issue. Furthermore, we’re value-driven and easy to work with. We’re always in mind that our solutions must satisfy our customers even may save their money by reducing manufacturing costs.

How We Can Serve You

We has implemented a total quality control system at our facilities, and manufactures in high volume to a just-in-time program.

To serve the ongoing needs of customers, we built high-efficient sales team to communicate with our customers so that our customers will get full information about our products within 24 hours.

We’re proud of our long-term relationships with our customers.

 

Certification: ISO
Pulley Sizes: Spb
Manufacturing Process: Casting
Material: Ht250, or C45
Surface Treatment: Phosphating Treatment
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant, Oil Insutry
Samples:
US$ 0/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

cast pulley

What is the importance of proper pulley alignment and tensioning in cast pulley systems?

Proper pulley alignment and tensioning are of utmost importance in cast pulley systems. Ensuring accurate alignment and optimal tension in these systems offers several benefits and plays a significant role in achieving efficient and reliable operation. Here are the key reasons why proper pulley alignment and tensioning are crucial:

  • Prevention of Belt or Chain Slippage: Proper pulley alignment and tensioning help prevent belt or chain slippage in cast pulley systems. When pulleys are misaligned or tensioned inadequately, belts or chains can slip, causing reduced power transmission efficiency, loss of torque, and potential damage to the pulleys or other components. By aligning the pulleys correctly and maintaining appropriate tension, the grip between the pulleys and the belt or chain is maximized, ensuring smooth power transfer without slippage.
  • Extended Belt or Chain Lifespan: Accurate pulley alignment and proper tensioning contribute to the extended lifespan of belts or chains used in cast pulley systems. Misalignment or excessive tension can cause increased wear and fatigue on the belt or chain, leading to premature failure and the need for frequent replacements. By aligning the pulleys correctly and applying the right tension, the load is distributed evenly across the belt or chain, minimizing wear and prolonging its lifespan. This reduces downtime and maintenance costs associated with belt or chain replacements.
  • Reduction of Power Loss: Proper pulley alignment and tensioning minimize power loss in cast pulley systems. Misalignment or inadequate tension results in increased friction between the belt or chain and the pulleys, leading to energy losses in the form of heat and vibration. This can decrease the overall efficiency of the system, requiring higher energy input to achieve the desired output. By aligning the pulleys accurately and maintaining optimal tension, power loss due to friction is minimized, maximizing the efficiency and energy savings of the system.
  • Prevention of Component Wear and Damage: Correct pulley alignment and tensioning help prevent excessive wear and damage to components in cast pulley systems. Misalignment can cause the belt or chain to rub against pulley flanges or adjacent parts, resulting in accelerated wear and potential damage to the pulleys, bearings, or other system components. Inadequate tension can lead to excessive vibrations and dynamic forces, which can cause fatigue failure or premature wear on pulleys, shafts, or bearings. Proper alignment and tensioning reduce these risks, prolonging the lifespan of equipment and minimizing maintenance requirements.
  • Optimal Performance and Efficiency: Proper alignment and tensioning of cast pulleys ensure optimal performance and efficiency of the overall system. Accurate alignment allows for smooth and consistent operation of belts or chains, maintaining the intended path and preventing unnecessary strain or resistance. Optimal tensioning ensures the right level of grip and power transmission, facilitating efficient energy transfer and minimizing energy losses. These factors contribute to improved overall system performance, productivity, and energy efficiency in cast pulley systems.
  • Enhanced Safety: Correct pulley alignment and tensioning promote safety in cast pulley systems. Misaligned pulleys or improperly tensioned belts or chains can pose safety hazards, such as sudden belt disengagement, unexpected movement of components, or increased risk of accidents. Proper alignment and tensioning reduce the likelihood of such incidents, creating a safer working environment for operators and maintenance personnel.

In summary, proper pulley alignment and tensioning are crucial for cast pulley systems to prevent belt or chain slippage, extend the lifespan of belts or chains, reduce power loss, prevent component wear and damage, optimize performance and efficiency, and enhance safety. These practices contribute to the reliable and efficient operation of cast pulley systems, minimizing downtime, maintenance costs, and the risk of equipment failure.

cast pulley

How are cast pulleys integrated into conveyor systems for material handling?

Cast pulleys play a crucial role in conveyor systems for material handling, enabling the efficient movement of goods and materials. Integrating cast pulleys into conveyor systems involves several key steps and considerations. Here is an overview of the process:

  1. System Design: The integration of cast pulleys begins with the overall design of the conveyor system. This includes determining the layout, length, and configuration of the conveyor, as well as identifying the specific material handling requirements such as load capacity, speed, and direction of movement. The design must also consider factors such as the type of material being conveyed, the environmental conditions, and any regulatory or safety standards that need to be met.
  2. Pulley Sizing and Selection: Once the system design is in place, the appropriate cast pulleys need to be selected and sized for the specific conveyor application. Factors such as the required load capacity, belt or chain type, and speed ratio dictate the size and configuration of the pulleys. It is essential to consider the pulley’s load-bearing capacity, rotational speed limits, and compatibility with the conveyor belt or chain.
  3. Pulley Placement: The cast pulleys need to be strategically positioned along the conveyor system to facilitate proper belt or chain alignment and tensioning. The placement of the pulleys is determined by factors such as the conveyor’s configuration, the desired path of material flow, and any specific requirements for guiding, diverting, or sorting the materials being conveyed. Pulleys may be installed at the head, tail, and intermediate points of the conveyor, as well as at any bends or transitions.
  4. Mounting and Alignment: Proper mounting and alignment of the cast pulleys are critical for optimal performance and longevity. The pulleys are typically mounted on shafts or axles that are securely attached to the conveyor framework. Careful alignment ensures that the pulleys are parallel and in the same plane, preventing belt or chain misalignment, excessive wear, and premature failure. Alignment techniques such as laser alignment or tensioning devices may be employed to achieve precise alignment.
  5. Installation and Maintenance: During installation, the cast pulleys must be carefully assembled, ensuring that all components, such as bearings, seals, and locking devices, are properly installed and lubricated. Regular maintenance is essential to ensure the continued performance of the pulleys and the conveyor system as a whole. This includes routine inspections, cleaning, lubrication, and addressing any signs of wear, damage, or misalignment. Proper maintenance practices help extend the service life of the cast pulleys and prevent costly breakdowns or disruptions in material handling operations.

It’s worth noting that the integration of cast pulleys into conveyor systems may vary depending on the specific design and requirements of the system. Different types of conveyors, such as belt conveyors, chain conveyors, or roller conveyors, may have unique considerations for pulley integration. Additionally, specialized applications, such as high-temperature environments or conveying abrasive materials, may require additional measures such as the use of heat-resistant materials or protective coatings on the pulleys.

In summary, the integration of cast pulleys into conveyor systems for material handling involves system design, pulley sizing and selection, pulley placement, mounting and alignment, and ongoing installation and maintenance. By considering these factors and following best practices, manufacturers can ensure the reliable and efficient movement of materials using cast pulleys in their conveyor systems.

cast pulley

What advantages do cast pulleys offer for power transmission?

Cast pulleys offer several advantages for power transmission in machinery and mechanical systems. These advantages contribute to their widespread use in various industries. Here are some key advantages of cast pulleys:

  1. Durable Construction: Cast pulleys are made from durable materials such as cast iron, cast steel, or cast aluminum. This construction provides excellent strength and resistance to wear, ensuring prolonged service life and reliable operation in demanding power transmission applications.
  2. High Load-Bearing Capacity: Cast pulleys are designed to withstand high loads and transmit substantial power. Their robust construction and precise machining allow them to effectively handle the forces and stresses associated with power transmission, enabling the transfer of torque and rotational motion without deformation or failure.
  3. Efficient Power Transmission: Cast pulleys provide efficient power transmission by converting rotational motion from one shaft to another. They are commonly used in belt drives and chain drives, where the pulley’s grooves or teeth mesh with the corresponding features on the belt or chain, ensuring a positive engagement and effective transfer of power.
  4. Wide Range of Sizes and Configurations: Cast pulleys are available in a wide range of sizes, shapes, and configurations. This versatility allows for precise matching of the pulley to the specific power transmission requirements of the machinery or system. Different pulley diameters, groove profiles, and belt or chain compatibility options are available to optimize power transmission efficiency.
  5. Cost-Effective Solution: Cast pulleys offer a cost-effective solution for power transmission needs. The casting process allows for mass production, making cast pulleys more affordable compared to other methods of pulley manufacturing. Their long service life and resistance to wear also contribute to cost savings by reducing the need for frequent replacements or repairs.
  6. Easy Installation and Maintenance: Cast pulleys are designed for easy installation and maintenance. They typically feature mounting options such as keyways, set screws, or other mechanisms that facilitate secure attachment to the shaft. Additionally, their durable construction minimizes the need for frequent maintenance or adjustments, resulting in reduced downtime and increased operational efficiency.
  7. Compatibility with Various Power Transmission Systems: Cast pulleys are compatible with a wide range of power transmission systems, including belt drives, chain drives, and rope drives. They can be easily integrated into existing machinery or incorporated into new designs, offering flexibility and adaptability in different industrial applications.

These advantages make cast pulleys reliable and efficient components for power transmission. Their strength, durability, and compatibility with different systems contribute to the overall performance, longevity, and productivity of machinery and mechanical systems in various industries.

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editor by CX

2023-10-02