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 aÂş |
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.
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| 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) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do idler pulleys enhance the efficiency and longevity of machinery and equipment?
Idler pulleys play a crucial role in enhancing the efficiency and longevity of machinery and equipment in several ways:
1. Belt Tension and Alignment:
Idler pulleys help maintain proper tension and alignment of belts in belt-driven systems. By applying the right amount of tension, idler pulleys prevent belt slippage and ensure efficient power transmission. Proper alignment reduces wear on belts and other components, minimizing energy losses and extending the lifespan of the equipment.
2. Reduced Bearing Load:
Idler pulleys distribute the load on the belt, reducing the load on the bearings of other rotating components. This helps prevent premature bearing failure and extends the life of bearings, reducing maintenance requirements and downtime.
3. Vibration Damping:
Idler pulleys can absorb and dampen vibrations that occur during operation. By reducing vibrations, idler pulleys minimize stress on the belt and other components, improving overall system performance and reducing the risk of component failure.
4. Belt Span Length:
Idler pulleys enable longer belt spans, which can reduce the number of required pulleys and overall system complexity. Longer belt spans provide smoother power transmission, minimize the number of potential failure points, and improve overall system efficiency.
5. Load Distribution:
Idler pulleys help distribute the load evenly across the belt, ensuring that no single section of the belt is subjected to excessive stress. This balanced load distribution reduces the risk of belt stretching, premature wear, and failures, contributing to improved equipment longevity.
6. Belt Wrap Angle:
By adjusting the position and angle of idler pulleys, the wrap angle of the belt can be optimized. A larger wrap angle increases the grip between the belt and pulleys, improving power transmission efficiency and reducing the risk of slipping.
7. Tension Control:
Idler pulleys allow for convenient tension control in belt-driven systems. By adjusting the position or tension of the idler pulley, the tension on the belt can be fine-tuned to match the specific requirements of the machinery, optimizing performance and reducing wear.
Overall, idler pulleys contribute to the efficiency and longevity of machinery and equipment by ensuring proper belt tension, reducing bearing load, damping vibrations, enabling longer belt spans, distributing loads evenly, optimizing belt wrap angles, and providing tension control. By incorporating idler pulleys into belt-driven systems, manufacturers can improve system reliability, reduce maintenance costs, and extend the lifespan of their equipment.
Can idler pulleys withstand continuous use and high-speed rotation?
Idler pulleys are designed to withstand continuous use and high-speed rotation in various applications. Here’s a detailed explanation of the factors that contribute to the ability of idler pulleys to withstand continuous use and high-speed rotation:
1. Material Selection:
The choice of materials for idler pulleys is crucial in determining their ability to withstand continuous use and high-speed rotation. Idler pulleys are commonly made from durable materials such as steel, aluminum, or engineered plastics. These materials offer high strength, wear resistance, and dimensional stability. The selection of materials depends on factors such as the load capacity, operating conditions, and rotational speed requirements of the specific application.
2. Bearing Design:
The bearing design used in idler pulleys plays a vital role in their ability to handle continuous use and high-speed rotation. High-quality bearings with appropriate load ratings and speed capabilities are selected to support the rotational motion of the pulley. The bearing design ensures smooth operation, minimizes friction, and provides reliable support for the pulley shaft under continuous and high-speed conditions.
3. Heat Dissipation:
During high-speed rotation, idler pulleys can generate heat due to friction. Adequate heat dissipation mechanisms are incorporated into the design to prevent excessive heat buildup. This can include features such as cooling fins, ventilation holes, or the use of heat-resistant materials. Effective heat dissipation helps maintain the integrity of the idler pulleys and prevents overheating that could lead to premature wear or failure.
4. Load Capacity:
Idler pulleys are designed to handle specific load capacities, which include both radial and axial loads. The load capacity of an idler pulley is determined by factors such as the size, material, and bearing selection. Manufacturers provide load capacity guidelines to ensure that the idler pulleys can withstand continuous use and high-speed rotation without excessive stress or deformation.
5. Precision Manufacturing:
Idler pulleys are manufactured with precision to ensure proper balance, concentricity, and dimensional accuracy. The precise manufacturing process helps minimize vibration, wobbling, and noise during high-speed rotation. It also enhances the overall stability and performance of the idler pulley under continuous use.
6. Quality Control:
Idler pulleys undergo rigorous quality control measures during the manufacturing process. These measures include inspections, testing, and adherence to industry standards to ensure that the pulleys meet the required specifications. Quality control measures help ensure the reliability, durability, and performance of idler pulleys during continuous use and high-speed rotation.
Overall, idler pulleys are designed and engineered to withstand continuous use and high-speed rotation in various applications. Through careful material selection, bearing design, heat dissipation, load capacity considerations, precision manufacturing, and quality control measures, idler pulleys can reliably perform their intended functions even under demanding operating conditions.
How does the size and diameter of an idler pulley affect its performance?
The size and diameter of an idler pulley play a significant role in determining its performance characteristics. Here’s a detailed explanation of how the size and diameter of an idler pulley affect its performance:
1. Tension and Belt Engagement:
The size and diameter of an idler pulley impact the tension and engagement of the belt. A larger idler pulley will create more belt wrap around its circumference, resulting in increased belt contact and improved grip. This helps to maintain proper tension in the belt and prevent slippage, especially in high-torque applications. Conversely, a smaller idler pulley may have less belt wrap, leading to reduced grip and potentially lower tension.
2. Belt Speed:
The size and diameter of an idler pulley affect the speed at which the belt travels. A larger idler pulley will cover a greater distance per revolution, resulting in a higher belt speed. This can be advantageous in applications where increased speed is desired. Conversely, a smaller idler pulley will cover a shorter distance per revolution, leading to a slower belt speed.
3. Belt Flexibility:
The size and diameter of an idler pulley impact the flexibility of the belt. A larger idler pulley allows for a larger bend radius, reducing the stress on the belt and improving its durability. It also minimizes the risk of excessive bending or flexing that could lead to premature wear or failure. In contrast, a smaller idler pulley may require the belt to bend more sharply, potentially increasing the risk of damage or wear.
4. System Clearance:
The size and diameter of an idler pulley affect the overall clearance in the mechanical system. In tight spaces or constrained environments, a smaller idler pulley may be preferred, as it requires less clearance. Conversely, a larger idler pulley may require additional space to accommodate its size.
5. Load Distribution:
The size and diameter of an idler pulley impact its ability to distribute the load across the belt. A larger idler pulley can distribute the load over a larger surface area, reducing the stress on the belt and other components. It helps to minimize wear and prolong the life of the system. On the other hand, a smaller idler pulley concentrates the load on a smaller area, potentially increasing the risk of localized wear or failure.
6. Bearing Life and Friction:
The size and diameter of an idler pulley influence the bearing life and friction within the system. Larger idler pulleys typically have larger bearings, which can handle higher loads and exhibit improved durability. They also tend to generate lower friction, leading to reduced heat and wear. In contrast, smaller idler pulleys may have smaller bearings that may have limitations in terms of load capacity and friction.
It’s important to note that the specific requirements for size and diameter of an idler pulley will depend on the application and the intended function within the mechanical system. Factors such as belt type, load requirements, speed, and space constraints should be considered when selecting the appropriate size and diameter of an idler pulley for optimal performance.
editor by CX
2023-09-28