Product Description
spur worm helical bevel screw large diameter rack and pinion rack small wheels nylon sprockets dc motor set custom delrin miter plastic gear types
Application of Plastic Worm Gear
Plastic worm gears are used in a wide variety of applications, including:
- Automotive: Plastic worm gears are used in automotive applications, such as power steering pumps and air conditioning compressors.
- Machine tools: Plastic worm gears are used in machine tools, such as lathes and milling machines.
- Conveyor belts: Plastic worm gears are used in conveyor belts to transmit power from the motor to the belt.
- Wind turbines: Plastic worm gears are used in wind turbines to transmit power from the rotor to the generator.
- Rudders: Plastic worm gears are used in rudders to control the direction of a ship or boat.
- Sawmills: Plastic worm gears are used in sawmills to drive the saws.
Plastic worm gears offer a number of advantages over metal worm gears, including:
- Lightweight: Plastic worm gears are much lighter than metal worm gears, which can save weight and improve fuel efficiency in automotive and aerospace applications.
- Corrosion-resistant: Plastic worm gears are resistant to corrosion, which can extend their lifespan and reduce maintenance costs.
- Low cost: Plastic worm gears are much less expensive than metal worm gears, which can save money in the long run.
- Low maintenance: Plastic worm gears require very little maintenance, which can save you money in the long run.
Overall, plastic worm gears offer a number of advantages over metal worm gears, making them a good choice for a wide variety of applications.
Here are some specific examples of where plastic worm gears are used:
- In small conveyors: Plastic worm gears are often used in small conveyors because they are lightweight and low-cost.
- In package handling equipment: Plastic worm gears are also used in package handling equipment, such as palletizers and depalletizers.
- In farm machinery: Plastic worm gears are used in farm machinery, such as tractors and harvesters.
- In medical equipment: Plastic worm gears are used in medical equipment, such as X-ray machines and MRI machines.
- In toys: Plastic worm gears are used in toys, such as wind-up toys and remote-controlled cars.
Plastic worm gears are a versatile and reliable type of gear that is used in a wide variety of applications. They offer a number of advantages over other types of gears, making them a good choice for many applications.
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
What are the noise and vibration levels associated with sprocket gear systems?
The noise and vibration levels associated with sprocket gear systems can vary depending on several factors. Here are some key points to consider regarding noise and vibration:
1. Gear Design: The design of the sprocket gears, including the number of teeth, pitch, and tooth profile, can influence noise and vibration levels. Gears with irregular tooth profiles or incorrect meshing can generate higher levels of noise and vibration.
2. Gear Material: The material used for manufacturing the sprocket gears can impact noise and vibration. High-quality gears made from materials with good damping properties can help reduce vibrations and noise during operation.
3. Lubrication: Proper lubrication is essential for reducing friction and wear between gear teeth. Inadequate or improper lubrication can lead to increased noise and vibration levels due to metal-to-metal contact.
4. Alignment: Misalignment between the sprocket gears can cause uneven loading and increased noise. Proper alignment ensures smooth and efficient power transmission, minimizing noise and vibration.
5. Load Distribution: Uniform load distribution among the gear teeth is crucial for smooth operation. Uneven loads can lead to noise and vibration issues.
6. Gear Condition: Wear and damage to the gear teeth over time can result in increased noise and vibration. Regular inspection and maintenance are necessary to address any wear-related issues promptly.
7. Operating Speed: Higher operating speeds can increase noise and vibration levels, especially if the gears are not properly balanced and aligned.
8. Housing and Mounting: The design and construction of the gear housing and mounting can affect noise transmission. A well-designed housing can help dampen noise and prevent vibrations from spreading to other parts of the machinery.
9. Operating Environment: The operating environment, such as temperature and humidity, can influence gear performance and noise levels.
Sprocket gear systems can be engineered and maintained to minimize noise and vibration levels. Using high-quality materials, proper lubrication, correct alignment, and regular maintenance can significantly reduce noise and vibration, ensuring smooth and efficient operation of the machinery.
Can sprocket gears be used in robotics and automation?
Yes, sprocket gears are commonly used in robotics and automation applications due to their versatility, efficiency, and ability to transmit power between parallel shafts. They offer several advantages that make them suitable for various robotic and automation systems:
1. Power Transmission: Sprocket gears are excellent for power transmission in robotics and automation. They allow precise control over the motion and speed of robotic components, making them ideal for tasks that require accurate positioning and timing.
2. High Efficiency: The meshing of teeth between the sprocket gear and the chain results in minimal friction, providing high mechanical efficiency. This is crucial for energy-efficient operation, especially in battery-powered robots or automation systems.
3. Compact Design: Sprocket gear systems are compact and can be integrated into the limited space of robotic joints and other mechanisms. They offer a lightweight solution without compromising strength and durability.
4. Low Noise: When properly lubricated and maintained, sprocket gears produce minimal noise during operation, contributing to quieter robotic and automation systems.
5. High Load-Carrying Capacity: Sprocket gears can handle significant loads, making them suitable for various robotic applications, including heavy lifting, material handling, and industrial automation.
6. Precise Positioning: Sprocket gears enable accurate positioning, which is essential in tasks that require repetitive and precise movements, such as pick-and-place operations and assembly tasks.
7. Easy Customization: Sprocket gears are available in various sizes, types, and materials, allowing for easy customization to meet specific robotic and automation requirements.
8. Reliability: With proper maintenance, sprocket gear systems can provide long-lasting and reliable performance, reducing downtime and maintenance costs in robotic and automation applications.
Overall, sprocket gears play a vital role in the design and operation of robotic systems, enabling precise motion control, high efficiency, and reliable power transmission. Their versatility makes them a popular choice in a wide range of robotic and automation applications across industries.
What are the advantages of using a sprocket gear over other types of gears?
Sprocket gears offer several advantages over other types of gears, making them a popular choice in various mechanical systems and power transmission applications. Here are the key advantages:
- Efficient Power Transmission: Sprocket gears, when used with chains or belts, provide an efficient means of power transmission over long distances. The engagement of teeth in a sprocket gear and the chain or belt ensures a positive drive, minimizing power losses and maximizing efficiency.
- High Gear Ratios: Sprocket gears can achieve high gear ratios in a compact design, allowing for significant speed reduction or amplification. This makes them suitable for applications that require precise speed control and torque conversion.
- Simple and Cost-Effective: Sprocket gears are relatively simple in design, making them cost-effective to manufacture and maintain. They consist of a circular disc with teeth around the circumference, which can be readily machined or cast.
- Easy Installation and Replacement: Sprocket gears are easy to install and replace, especially in chain-driven systems. Changing a sprocket gear requires minimal downtime, making maintenance and repairs more convenient.
- Flexible Design Options: Sprocket gears come in various sizes, tooth profiles, and materials, providing flexibility in design to suit different applications. They can be custom-made to match specific requirements.
- High Load Capacity: Sprocket gears, particularly those made from durable materials, can handle high loads and transmit significant power without experiencing premature wear or failure.
- Quiet and Smooth Operation: When paired with well-lubricated chains or belts, sprocket gear systems can operate quietly and smoothly, reducing noise and vibration levels in the mechanical system.
- Wide Range of Applications: Sprocket gears find applications in various industries, including automotive, machinery, robotics, agricultural equipment, and more. They are suitable for both heavy-duty and light-duty systems.
- Excellent for High-Speed Applications: In high-speed applications, sprocket gears offer reliable performance with minimal heat generation due to their positive engagement with chains or belts.
While sprocket gears offer numerous advantages, their selection should consider specific application requirements, load conditions, operating environment, and other factors to ensure optimal performance and longevity.
editor by Dream 2024-05-09
China factory Spur Worm Helical Bevel Screw Large Diameter Rack and Pinion Rack Small Wheels Nylon Sprockets DC Motor Set Custom Delrin Miter Plastic Gear Types
Product Description
spur worm helical bevel screw large diameter rack and pinion rack small wheels nylon sprockets dc motor set custom delrin miter plastic gear types
Application of Plastic Worm Gear
Plastic worm gears are used in a wide variety of applications, including:
- Automotive: Plastic worm gears are used in automotive applications, such as power steering pumps and air conditioning compressors.
- Machine tools: Plastic worm gears are used in machine tools, such as lathes and milling machines.
- Conveyor belts: Plastic worm gears are used in conveyor belts to transmit power from the motor to the belt.
- Wind turbines: Plastic worm gears are used in wind turbines to transmit power from the rotor to the generator.
- Rudders: Plastic worm gears are used in rudders to control the direction of a ship or boat.
- Sawmills: Plastic worm gears are used in sawmills to drive the saws.
Plastic worm gears offer a number of advantages over metal worm gears, including:
- Lightweight: Plastic worm gears are much lighter than metal worm gears, which can save weight and improve fuel efficiency in automotive and aerospace applications.
- Corrosion-resistant: Plastic worm gears are resistant to corrosion, which can extend their lifespan and reduce maintenance costs.
- Low cost: Plastic worm gears are much less expensive than metal worm gears, which can save money in the long run.
- Low maintenance: Plastic worm gears require very little maintenance, which can save you money in the long run.
Overall, plastic worm gears offer a number of advantages over metal worm gears, making them a good choice for a wide variety of applications.
Here are some specific examples of where plastic worm gears are used:
- In small conveyors: Plastic worm gears are often used in small conveyors because they are lightweight and low-cost.
- In package handling equipment: Plastic worm gears are also used in package handling equipment, such as palletizers and depalletizers.
- In farm machinery: Plastic worm gears are used in farm machinery, such as tractors and harvesters.
- In medical equipment: Plastic worm gears are used in medical equipment, such as X-ray machines and MRI machines.
- In toys: Plastic worm gears are used in toys, such as wind-up toys and remote-controlled cars.
Plastic worm gears are a versatile and reliable type of gear that is used in a wide variety of applications. They offer a number of advantages over other types of gears, making them a good choice for many applications.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
Can sprocket gears be used for vertical power transmission?
Yes, sprocket gears can be used for vertical power transmission in certain applications. Vertical power transmission involves transferring rotational power between two shafts that are oriented vertically, with one shaft positioned above the other. In such cases, sprocket gears, also known as chain sprockets when used with chains, can offer an efficient and reliable solution for transmitting power.
The main advantage of using sprocket gears for vertical power transmission is their ability to maintain a positive engagement with the chain, ensuring a consistent and smooth transfer of power. This positive engagement is particularly beneficial in vertical applications where gravity can potentially cause other types of gears, such as spur gears or bevel gears, to disengage or produce excessive wear.
Sprocket gears are commonly employed in vertical power transmission systems in various industries, including manufacturing, material handling, and construction. Examples of vertical power transmission applications using sprocket gears include:
1. Vertical Conveyor Systems: Sprocket gears, in combination with conveyor chains, are often used to transport materials vertically between different levels of a facility.
2. Elevators: Sprocket gears and chains are utilized in elevator systems to lift and lower the elevator car in buildings or industrial settings.
3. Vertical Lifts: Sprocket gears play a crucial role in vertical lift systems that move heavy loads between floors or levels.
4. Agricultural Equipment: Sprocket gears are used in vertical power transmission systems of agricultural machinery, such as grain elevators.
When implementing sprocket gears for vertical power transmission, it is essential to consider the load, speed, torque requirements, and system dynamics to ensure safe and efficient operation. Additionally, proper lubrication and regular maintenance are crucial for maximizing the lifespan and performance of the sprocket gear system.
Overall, sprocket gears offer a reliable and versatile solution for vertical power transmission, making them a popular choice in numerous industrial and commercial applications.
How do I prevent chain elongation in a sprocket gear system?
Preventing chain elongation is essential to maintain the efficiency and longevity of a sprocket gear system. Chain elongation occurs over time due to wear and stretch in the chain, leading to a change in pitch length and improper engagement with the sprocket teeth. Here are some measures to prevent chain elongation:
1. Proper Lubrication: Regular and adequate lubrication of the chain is crucial to reduce friction and wear between the chain’s components. Lubricants also help prevent corrosion and reduce the chances of chain elongation.
2. Correct Tension: Maintaining the correct chain tension is vital to prevent excessive stress and elongation. Too much tension can accelerate wear, while too little tension can lead to slippage and increased elongation. Follow the manufacturer’s guidelines for proper tensioning.
3. Quality Chain: Invest in high-quality chains that are designed to resist elongation and offer better wear resistance. High-strength chains with heat-treated components are more resistant to elongation.
4. Proper Alignment: Ensure the sprockets are properly aligned to minimize lateral forces on the chain. Misalignment can cause uneven wear and accelerated elongation.
5. Regular Inspection: Perform routine inspections of the sprocket gear system to check for signs of wear, elongation, or any other issues. Address any problems promptly to prevent further damage.
6. Replace Worn Components: As the chain and sprockets wear over time, replace them when they reach their wear limits. Continuing to use worn components can accelerate elongation and lead to premature failure.
7. Avoid Overloading: Operating the sprocket gear system within its designed load capacity will help minimize stress on the chain, reducing the chances of elongation.
8. Environmental Considerations: In harsh or abrasive environments, protective measures like covers or guards can help prevent contaminants from accelerating chain wear and elongation.
By implementing these preventive measures, you can significantly reduce the risk of chain elongation and ensure a longer and more reliable service life for your sprocket gear system.
Are there any eco-friendly materials used in manufacturing sprocket gears?
Yes, there are eco-friendly materials used in manufacturing sprocket gears. As industries increasingly prioritize sustainability and environmental consciousness, manufacturers have developed alternative materials that reduce the ecological impact of sprocket gear production. Some eco-friendly materials commonly used in sprocket gear manufacturing include:
- Bio-Based Plastics: Certain sprocket gears are now made from bio-based plastics, which are derived from renewable resources like plant-based polymers. These plastics offer similar performance to traditional materials while being more sustainable and biodegradable.
- Recycled Metals: Sprocket gears can be manufactured using recycled metals, such as recycled steel or aluminum. Recycling metals helps conserve natural resources and reduces energy consumption during the manufacturing process.
- Biodegradable Lubricants: While not a direct material for sprocket gears, using biodegradable lubricants for sprocket gear systems can contribute to environmental sustainability. These lubricants break down more easily in the environment, reducing pollution risks.
- Composite Materials: Composite materials that combine natural fibers with resins or polymers are being explored for sprocket gear applications. These composites can be more eco-friendly due to their renewable content.
It’s important to note that the specific materials used in sprocket gear manufacturing may vary depending on the application, load requirements, and environmental conditions. Manufacturers and end-users should consider factors like performance, durability, and cost-effectiveness alongside the eco-friendliness of the materials when choosing the right sprocket gear for their needs.
editor by CX 2023-11-10
China factory Spur Worm Helical Bevel Screw Large Diameter Rack and Pinion Rack Small Wheels Nylon Sprockets DC Motor Set Custom Delrin Miter Plastic Gear Types
Product Description
spur worm helical bevel screw large diameter rack and pinion rack small wheels nylon sprockets dc motor set custom delrin miter plastic gear types
Application of Plastic Worm Gear
Plastic worm gears are used in a wide variety of applications, including:
- Automotive: Plastic worm gears are used in automotive applications, such as power steering pumps and air conditioning compressors.
- Machine tools: Plastic worm gears are used in machine tools, such as lathes and milling machines.
- Conveyor belts: Plastic worm gears are used in conveyor belts to transmit power from the motor to the belt.
- Wind turbines: Plastic worm gears are used in wind turbines to transmit power from the rotor to the generator.
- Rudders: Plastic worm gears are used in rudders to control the direction of a ship or boat.
- Sawmills: Plastic worm gears are used in sawmills to drive the saws.
Plastic worm gears offer a number of advantages over metal worm gears, including:
- Lightweight: Plastic worm gears are much lighter than metal worm gears, which can save weight and improve fuel efficiency in automotive and aerospace applications.
- Corrosion-resistant: Plastic worm gears are resistant to corrosion, which can extend their lifespan and reduce maintenance costs.
- Low cost: Plastic worm gears are much less expensive than metal worm gears, which can save money in the long run.
- Low maintenance: Plastic worm gears require very little maintenance, which can save you money in the long run.
Overall, plastic worm gears offer a number of advantages over metal worm gears, making them a good choice for a wide variety of applications.
Here are some specific examples of where plastic worm gears are used:
- In small conveyors: Plastic worm gears are often used in small conveyors because they are lightweight and low-cost.
- In package handling equipment: Plastic worm gears are also used in package handling equipment, such as palletizers and depalletizers.
- In farm machinery: Plastic worm gears are used in farm machinery, such as tractors and harvesters.
- In medical equipment: Plastic worm gears are used in medical equipment, such as X-ray machines and MRI machines.
- In toys: Plastic worm gears are used in toys, such as wind-up toys and remote-controlled cars.
Plastic worm gears are a versatile and reliable type of gear that is used in a wide variety of applications. They offer a number of advantages over other types of gears, making them a good choice for many applications.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
Can sprocket gears be used in automotive applications?
Yes, sprocket gears can be used in automotive applications, particularly in vehicles that utilize chain and sprocket systems for power transmission. Sprocket gears are commonly found in motorcycles, bicycles, and some specialized automotive vehicles.
In motorcycles, sprocket gears are a crucial component of the chain drive system that transfers power from the engine to the rear wheel. The front and rear sprockets, connected by a roller chain, work together to create a gear ratio that affects the vehicle’s speed and torque characteristics.
Bicycles also use sprocket gears as part of their chain drive system. The front chainring and rear sprocket (cassette) combination allows cyclists to shift gears and adapt to different terrains or riding conditions.
While sprocket gears are not as prevalent in traditional passenger cars as they are in motorcycles and bicycles, there are specialized automotive applications where they can be found. For example, some off-road vehicles, agricultural equipment, and certain transmission systems in high-performance sports cars may use sprocket gears.
One of the advantages of using sprocket gears in automotive applications is their efficiency in power transmission. They can handle high torque loads and are well-suited for applications that require a simple and robust mechanical design. Additionally, sprocket gear systems are generally low-maintenance, making them suitable for rugged environments and off-road use.
However, sprocket gear systems also have some limitations. They may produce more noise compared to other transmission methods, such as gears with teeth. Additionally, the exposed chain and sprocket system requires regular lubrication and maintenance to ensure proper functioning and longevity.
In summary, while sprocket gears are not as commonly used in traditional passenger cars, they play a significant role in various automotive applications, particularly in motorcycles, bicycles, off-road vehicles, and specialized high-performance vehicles.
Can sprocket gears be used in robotics and automation?
Yes, sprocket gears are commonly used in robotics and automation applications due to their versatility, efficiency, and ability to transmit power between parallel shafts. They offer several advantages that make them suitable for various robotic and automation systems:
1. Power Transmission: Sprocket gears are excellent for power transmission in robotics and automation. They allow precise control over the motion and speed of robotic components, making them ideal for tasks that require accurate positioning and timing.
2. High Efficiency: The meshing of teeth between the sprocket gear and the chain results in minimal friction, providing high mechanical efficiency. This is crucial for energy-efficient operation, especially in battery-powered robots or automation systems.
3. Compact Design: Sprocket gear systems are compact and can be integrated into the limited space of robotic joints and other mechanisms. They offer a lightweight solution without compromising strength and durability.
4. Low Noise: When properly lubricated and maintained, sprocket gears produce minimal noise during operation, contributing to quieter robotic and automation systems.
5. High Load-Carrying Capacity: Sprocket gears can handle significant loads, making them suitable for various robotic applications, including heavy lifting, material handling, and industrial automation.
6. Precise Positioning: Sprocket gears enable accurate positioning, which is essential in tasks that require repetitive and precise movements, such as pick-and-place operations and assembly tasks.
7. Easy Customization: Sprocket gears are available in various sizes, types, and materials, allowing for easy customization to meet specific robotic and automation requirements.
8. Reliability: With proper maintenance, sprocket gear systems can provide long-lasting and reliable performance, reducing downtime and maintenance costs in robotic and automation applications.
Overall, sprocket gears play a vital role in the design and operation of robotic systems, enabling precise motion control, high efficiency, and reliable power transmission. Their versatility makes them a popular choice in a wide range of robotic and automation applications across industries.
What are the common problems faced with sprocket gears and how to troubleshoot them?
Sprocket gears, like any mechanical components, can encounter various issues during their operation. Some common problems and their troubleshooting approaches are as follows:
- 1. Excessive Wear: Over time, sprocket gears may wear down due to friction and load. This can lead to poor performance and affect the overall efficiency of the system.
- Troubleshooting: Regularly inspect the sprocket gears for signs of wear. If wear is detected, consider replacing the worn-out gears with new ones. Lubrication can also help reduce wear and prolong the lifespan of the gears.
- 2. Misalignment: Improper alignment between the sprocket gear and the chain or other components can cause uneven wear and noise.
- Troubleshooting: Check the alignment of the sprocket gear with the chain or other mating components. Adjust and realign the gears if necessary to ensure proper alignment.
- 3. Chain Skipping: Chain skipping occurs when the chain fails to engage properly with the sprocket teeth, causing jerky motion and potential damage to the chain.
- Troubleshooting: Check for any misalignment or excessive wear that may be causing the chain to skip. Replace any worn-out components and ensure proper tension in the chain to prevent skipping.
- 4. Noise and Vibration: Excessive noise and vibration during operation can indicate issues with the sprocket gear system.
- Troubleshooting: Inspect the gears for wear, misalignment, or damage that could be causing the noise and vibration. Proper lubrication and alignment can often help reduce noise and vibration levels.
- 5. Fatigue Failure: Sprocket gears can fail due to material fatigue, especially if subjected to high loads and stress.
- Troubleshooting: Select sprocket gears made from high-quality materials and appropriate strength to handle the application’s load. Regularly inspect for signs of fatigue, such as cracks or deformations, and replace any compromised gears.
It is essential to perform regular maintenance, including lubrication, alignment checks, and visual inspections, to prevent and address these common issues. Early detection and timely troubleshooting can significantly extend the lifespan and performance of sprocket gears in a mechanical system.
editor by CX 2023-11-06
China Spur Worm Helical Bevel Screw Large Diameter Rack and Pinion Rack Small Wheels Nylon Sprockets DC Motor Set Custom Delrin Miter Plastic Gear Types with ce certificate top quality Good price
Product Description
spur worm CZPT cal bevel screw massive diameter rack and pinion rack tiny wheels nylon sprockets dc motor set CZPT delrin miter plastic gear sorts
Ep prefabricated steel sprockets are manufactured of C1045 metal, induction hardened or warmth-treated metal, four hundred – five hundred BHN hardness. Remember to specify the resources you want. Unless or else asked for, the outdoors diameter of the hub should be enough to accommodate the needed holes and keyways. Keys to these products are not provided unless of course requested or set up on the shaft. Break up sprockets for welding or split sprockets for bolts give an affordable way to set up sprockets on shafts in which elimination of the shaft assembly is prohibited. Numerous dimensions of sprockets are equipped with holes, keyways, and set screws. Discs or partially concluded sprockets are also stocked. For long sprockets and idlers, specify the chain size utilized.
China Spur Worm Helical Bevel Screw Large Diameter Rack and Pinion Rack Small Wheels Nylon Sprockets DC Motor Set Custom Delrin Miter Plastic Gear Types with ce certificate top quality Good price
Solution Description
spur worm CZPT cal bevel screw huge diameter rack and pinion rack small wheels nylon sprockets dc motor established CZPT delrin miter plastic equipment types
Ep prefabricated metal sprockets are manufactured of C1045 steel, induction hardened or warmth-taken care of metal, 400 – five hundred BHN hardness. You should specify the components you need. Unless in any other case asked for, the outdoors diameter of the hub need to be sufficient to accommodate the needed holes and keyways. Keys to these items are not provided except if requested or mounted on the shaft. Break up sprockets for welding or break up sprockets for bolts supply an economical way to put in sprockets on shafts where removing of the shaft assembly is prohibited. A lot of dimensions of sprockets are outfitted with holes, keyways, and established screws. Discs or partially completed sprockets are also stocked. For prolonged sprockets and idlers, specify the chain size used.