Product Description
SC Transmission TAPER BORE PULLEYS SPA-1
Product Description
Availability:
* Standard pulley
* OEM pulley
High Performance:
√ Strong Ultimate tensile strength
√ Perfect surface treatment
√ Durable,Flexible
Main Features
High power transmission
No noise,low Maintainance,
High Precision
well-done of surface treatment
Application industries:
√Manufacturing
√Agriculture
√Building Material
√Oil and Gas
√Technology and Science
Package:
Plastic bag+Neutral box +Plywood box
Product Parameters
| PART NO. | P.D | O.D | TYPE | BUSH NO. | MAX BORE | E | F | J | K | L | M | N |
| spa 63-1 | 63.0 | 68.5 | 9 | 1108 | 28 | – | 40 | 38 | 18 | 22 | – | – |
| spa 67-1 | 67.0 | 72.5 | 1 | 1108 | 28 | – | 20 | 38 | – | 22 | 2 | 62 |
| spa 71-1 | 71.0 | 76.5 | 1 | 1108 | 28 | – | 20 | – | – | 22 | 2 | 62 |
| spa 75-1 | 75.0 | 80.5 | 1 | 1108 | 28 | – | 20 | – | – | 22 | 2 | 62 |
| spa 80-1 | 80.0 | 85.5 | 1 | 1210 | 32 | – | 20 | – | – | 25 | 5 | 75 |
| spa 85-1 | 85.0 | 90.5 | 1 | 1210 | 32 | – | 20 | – | – | 25 | 5 | 75 |
| spa 90-1 | 90.0 | 95.5 | 1 | 1210 | 32 | – | 20 | – | – | 25 | 5 | 75 |
| spa 95-1 | 95.0 | 100.5 | 1 | 1210 | 32 | – | 20 | – | – | 25 | 5 | 75 |
| spa 100-1 | 100.0 | 105.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 106-1 | 106.0 | 111.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 112-1 | 112.0 | 117.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 118-1 | 118.0 | 123.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 125-1 | 125.0 | 130.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 132-1 | 132.0 | 137.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 140-1 | 140.0 | 145.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 150-1 | 150.0 | 155.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 160-1 | 160.0 | 165.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 170-1 | 170.0 | 175.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 180-1 | 180.0 | 185.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 190-1 | 190.0 | 195.5 | 1 | 1610 | 42 | – | 20 | – | – | 25 | 5 | 80 |
| spa 200-1 | 200.0 | 205.5 | 7 | 2012 | 50 | 10 | 20 | 165 | – | 32 | 12 | 100 |
| spa 224-1 | 224.0 | 229.5 | 7 | 2012 | 50 | 10 | 20 | 189 | – | 32 | 12 | 100 |
| spa 250-1 | 250.0 | 255.5 | 7 | 2012 | 50 | 10 | 20 | 215 | 6 | 32 | 6 | 100 |
| spa 280-1 | 280.0 | 285.5 | 7 | 2012 | 50 | 10 | 20 | 245 | – | 32 | 12 | 100 |
| spa 315-1 | 315.0 | 320.5 | 4 | 2012 | 50 | – | 20 | 280 | – | 32 | 12 | 100 |
| spa 355-1 | 355.0 | 360.5 | 4 | 2012 | 50 | – | 20 | 320 | – | 32 | 12 | 100 |
| spa 400-1 | 400.0 | 405.5 | 4 | 2012 | 50 | – | 20 | 365 | – | 32 | 12 | 100 |
| spa 450-1 | 450.0 | 455.5 | 4 | 2012 | 50 | – | 20 | 415 | – | 32 | 12 | 100 |
| spa 500-1 | 500.0 | 505.5 | 4 | 2517 | 60 | – | 20 | 465 | – | 45 | 25 | 120 |
| spa 630-1 | 630.0 | 635.5 | 4 | 2517 | 60 | – | 20 | 595 | – | 45 | 25 | 120 |
Company Profile
FAQ
Shipping
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| Material: | 45# Steel / Stainless Steel 304 & 316 |
|---|---|
| Transport Package: | Plywood Case |
| Origin: | China |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do compound pulleys contribute to efficient load-bearing in construction?
Compound pulleys play a significant role in facilitating efficient load-bearing in construction projects. They provide mechanical advantage, distribute weight, and enable controlled lifting and lowering operations. Here is a detailed explanation of how compound pulleys contribute to efficient load-bearing in construction:
- Mechanical Advantage: Compound pulleys offer a mechanical advantage, allowing construction workers to lift and move heavy loads with reduced effort. A compound pulley system consists of multiple pulleys connected in series or parallel. By distributing the load across multiple line segments and increasing the number of supporting ropes or cables, compound pulleys reduce the amount of force required to lift the load. This mechanical advantage enables construction workers to handle larger and heavier loads efficiently, maximizing productivity and minimizing physical strain.
- Load Distribution: Compound pulleys help distribute the weight of the load evenly, ensuring balanced load-bearing in construction. When lifting heavy loads, it is crucial to distribute the weight across multiple points to prevent overloading specific components or structures. Compound pulley systems achieve this by dividing the load into smaller portions and distributing them across the supporting ropes or cables. This even distribution of weight minimizes the risk of structural damage, allows for safer and more stable load-bearing, and enhances the overall efficiency of construction operations.
- Precision Control: Compound pulleys enable precise control over lifting and lowering operations, contributing to efficient load-bearing in construction. Construction projects often require accurate positioning and placement of heavy materials or equipment. Compound pulley systems provide the ability to finely adjust the lifting speed, direction, and position of the load. By controlling the tension and movement of the ropes or cables, construction workers can position the load with precision, ensuring precise load-bearing and minimizing the risk of accidents or damage to the surrounding structures.
- Flexibility and Versatility: Compound pulleys offer flexibility and versatility in load-bearing applications in construction. They can be easily configured and adapted to different load requirements, project specifications, and job site conditions. Compound pulley systems can be customized by selecting pulleys of various sizes, materials, and designs to accommodate specific construction needs. This versatility allows construction workers to efficiently handle a wide range of loads, adapt to changing project requirements, and optimize load-bearing operations to enhance overall construction efficiency.
- Increased Productivity: By facilitating efficient load-bearing, compound pulleys contribute to increased construction productivity. The mechanical advantage provided by compound pulleys allows workers to handle heavier loads with less effort, reducing the time and manpower required for lifting and moving materials. The precise control offered by compound pulley systems enables swift and accurate positioning of loads, minimizing downtime and delays. The ability to distribute weight evenly and maintain stability in load-bearing operations enhances overall construction efficiency, enabling faster project completion and improved productivity.
- Safe Working Conditions: Compound pulleys promote safer working conditions during load-bearing activities in construction. By reducing the physical strain on workers, compound pulleys help prevent injuries and fatigue associated with manual lifting of heavy loads. The even distribution of weight and precise control offered by compound pulley systems minimize the risk of accidents and damage to structures. This ensures a safer work environment for construction workers, reducing the likelihood of workplace incidents and promoting the overall well-being of the construction team.
In summary, compound pulleys contribute to efficient load-bearing in construction by providing a mechanical advantage, distributing weight evenly, enabling precise control, offering flexibility and versatility, increasing productivity, and promoting safe working conditions. Their integration in construction operations allows for the handling of heavy loads with ease, minimizes the risk of structural damage, and enhances overall construction efficiency.
What is the significance of proper alignment and tensioning in compound pulley systems?
Proper alignment and tensioning are of utmost significance in compound pulley systems as they directly affect the performance, efficiency, and safety of the system. When compound pulleys are correctly aligned and appropriately tensioned, several benefits are realized. Here is a detailed explanation of the significance of proper alignment and tensioning in compound pulley systems:
- Optimal Mechanical Advantage: Proper alignment and tensioning ensure that the compound pulley system operates at its maximum mechanical advantage. The mechanical advantage is the ratio between the load being lifted and the force applied to the rope or cable. When the pulleys are aligned correctly and the tension is properly adjusted, the load is distributed evenly among the multiple lines of support, resulting in efficient force distribution and increased lifting capacity.
- Efficient Power Transfer: Correct alignment and tensioning minimize energy losses and enhance power transfer within the compound pulley system. When the pulleys are aligned, the ropes or cables move smoothly over the sheaves, reducing frictional losses. Proper tensioning ensures that the ropes or cables are neither too loose nor too tight, optimizing the power transfer from the input force to the load being lifted. This efficient power transfer results in improved system performance and reduced energy consumption.
- Prevention of Excessive Wear and Damage: Improper alignment and tensioning can cause excessive wear and damage to the components of the compound pulley system. Misalignment can lead to uneven loading on the ropes or cables, causing them to rub against the sheaves or other parts of the system. This friction can result in accelerated wear, deformation, or even failure of the ropes, cables, sheaves, or bearings. Proper alignment and tensioning help distribute the load evenly, minimizing wear and extending the lifespan of the system components.
- Reduction of Stress and Fatigue: Correct alignment and tensioning reduce stress and fatigue on the ropes or cables, as well as on the pulley system itself. When the ropes or cables are properly tensioned, they experience less strain during the lifting or lowering process. This reduces the risk of overloading and premature failure of the ropes or cables. Additionally, proper alignment ensures that the forces are evenly distributed, preventing excessive stress on individual components of the pulley system and promoting its longevity.
- Enhanced Safety: Proper alignment and tensioning contribute to the overall safety of the compound pulley system. Misalignment or improper tensioning can lead to unexpected movements, jerks, or loss of control during lifting operations. This can pose a significant safety hazard to operators and bystanders. By ensuring proper alignment and tensioning, the system operates smoothly, minimizing the risk of accidents, injuries, and damage to property.
In summary, proper alignment and tensioning are crucial for the optimal performance, efficiency, and safety of compound pulley systems. They enable the system to operate at its maximum mechanical advantage, facilitate efficient power transfer, prevent excessive wear and damage, reduce stress and fatigue, and enhance overall safety. Regular inspection and maintenance should be carried out to ensure that compound pulley systems remain properly aligned and tensioned throughout their lifespan.
What is a compound pulley, and how does it function in mechanical systems?
A compound pulley is a type of pulley system that consists of multiple fixed and movable pulleys working together to provide mechanical advantage in lifting or moving heavy loads. Here is a detailed explanation of what a compound pulley is and how it functions in mechanical systems:
A compound pulley is composed of two or more pulleys, which are connected by a continuous loop of rope, cable, or belt. The pulleys are arranged in such a way that some are fixed to a support structure, while others are movable. The rope or cable wraps around the pulleys, creating multiple line segments that support the load.
The primary function of a compound pulley is to multiply the force applied to the rope or cable, allowing the user to lift or move heavy loads with less effort. This mechanical advantage is achieved through the distribution of the load’s weight across multiple line segments and the reduction of the force required to lift the load.
When a force is applied to the free end of the rope or cable, the movable pulleys in the compound pulley system move in response. As the movable pulleys move, the length of rope or cable on one side of the pulley system decreases while the length on the other side increases. This movement causes the load to be lifted or moved.
The mechanical advantage provided by a compound pulley is determined by the number of line segments supporting the load. Each additional segment of rope or cable increases the mechanical advantage of the system. For example, a compound pulley with three line segments supporting the load provides a mechanical advantage of three, meaning the force applied to the rope or cable is multiplied by three.
Compound pulleys are commonly used in various mechanical systems, including cranes, hoists, elevators, and block and tackle systems. They are particularly useful in situations where heavy loads need to be lifted or moved with reduced effort or where space constraints make it challenging to incorporate larger, single-pulley systems.
It is important to note that while compound pulleys can provide mechanical advantage, they also introduce some trade-offs. As the mechanical advantage increases, the distance through which the rope or cable needs to be pulled also increases. Additionally, compound pulley systems may introduce some friction and inefficiency, requiring regular maintenance and lubrication to ensure smooth operation.
In conclusion, a compound pulley is a pulley system that utilizes multiple fixed and movable pulleys to provide mechanical advantage in lifting or moving heavy loads. By distributing the load across multiple line segments, compound pulleys reduce the force required to lift the load, making them valuable components in various mechanical systems.
editor by CX
2024-05-15
