Plain Bore Sprocket NK50B (15.875mm Pitch)

Specifications of Plain Bore Sprocket NK50B (15.875mm Pitch)

A plain bore sprocket is specifically designed with a fixed diameter bore that directly mounts onto a shaft without the need for additional components. This type is essential in power transmission applications where the shaft size is predetermined and follows standardization. The Plain Bore Sprocket NK50B is a notable example, utilized extensively across various industrial sectors for its reliable performance.

Basic Structure of Sprocket and Customization

The fundamental structure of a sprocket comprises a hub and teeth. The teeth interlock with the roller chain links, facilitating rotary motion between the driving and driven shafts. Customization of a sprocket involves careful consideration of several components:

• Material: Sprockets are available in multiple materials, such as high carbon steel, alloy steel, and stainless steel. The selection hinges on specific application needs and environmental demands.
• Tooth Profile: Variations in tooth profiles exist, including standard, non-standard, and special designs for different operational requirements.
• Number of Teeth: This is a critical factor as it influences the speed ratio between the driving and driven shafts, impacting overall efficiency.
• Dimensions: The sprocket's dimensions are determined by chain pitch and tooth count, ensuring compatibility with the chain system.
• Bore Size: Essential for fitting, the bore size must precisely match the shaft diameter for effective operation.
• Keyway: A keyway is incorporated to secure the sprocket onto the shaft, preventing any unwanted rotation during operation.
• Surface Treatment: Surface treatments enhance the sprocket's durability and resistance to corrosion. Common treatments include heat treatment, carburizing, and black oxide coating.

Materials and Manufacturing Process

The NK50B Plain Bore Sprockets are manufactured using high-quality materials, ensuring optimal performance in diverse applications. The production process incorporates several key steps:

• Material Selection: We meticulously select the appropriate material, considering application and environmental conditions for durability.
• Cutting: The raw materials are shaped using precision cutting tools to meet the required specifications.
• Forming: Through stamping or forging techniques, the sprocket is formed to achieve its final shape.
• Machining: CNC lathes, milling machines, and drilling machines are utilized for precise machining of dimensions and tolerances.
• Heat Treatment: Heat treatment enhances the mechanical properties of the sprocket, increasing its hardness and toughness for better performance.
• Surface Treatment: A thorough surface treatment process is applied to enhance corrosion resistance and improve appearance.
• Quality Inspection: Each sprocket undergoes rigorous quality inspection, ensuring it meets all necessary standards and specifications.

Applications

The NK50B Plain Bore Sprockets find extensive use in a variety of industries, such as:

• Heavy Machinery and Equipment: Our sprockets are integral to heavy machinery, including excavators and bulldozers, supporting robust operations.
• Food Processing and Packaging: Hygiene is crucial; thus, our sprockets are used in food industry machinery where cleanliness is paramount.
• Chemical and Pharmaceutical: In chemical processes, these sprockets ensure resistance to corrosion and withstand high temperatures.
• Assembly Lines: The precision of our sprockets ensures reliability in assembly lines, critical for maintaining production efficiency.
• Logistics and Warehousing: Our sprockets are also employed in conveyor systems, facilitating the effective transportation and storage of goods.

Maintenance and Common Problems

Regular maintenance and inspection are vital to extend the service life of the sprocket and avoid unexpected failures. Implementing the following procedures is recommended:

• Daily Inspection: It’s important to check for any signs of wear, damage, or misalignment. Ensure proper lubrication of the sprocket.
• Cleaning: Remove dirt, debris, or rust from the sprocket regularly using brushes or compressed air for maintenance.
• Lubrication: Applying appropriate lubricants reduces friction, wear, and ensures smooth operation of the sprocket.
• Adjustment and Calibration: Regularly check the chain tension and ensure that the sprocket is aligned properly with the chain.

Common issues with sprockets include:

• Skipping Teeth: Worn or damaged teeth can lead to skipping. If this occurs, replacing the sprocket is necessary.
• Fracture: Excessive load or incorrect installation often results in fractures. Ensuring proper installation and selecting a higher load-rated sprocket is crucial.
• Wear: Normal wear can be minimized through consistent lubrication and regular inspections to maintain performance.
• Noise: Misalignment, worn teeth, or loose mounting cause noise issues. Proper alignment and secure mounting are essential to prevent such noise.
• Chain Slippage: Loose tension or worn teeth can lead to chain slippage. Adjusting chain tension or replacing the sprocket may be required if slippage occurs.

Plain Bore Sprockets Supplier - GBC

GBC is proud to be the Australian sales agent for Ever-power Group, recognized as one of the leading sprocket suppliers in Australia. Our commitment to quality is evident in every Plain Bore Sprocket we offer, including the NK50B with a 15.875mm pitch. Each sprocket is manufactured using high-grade materials, ensuring durability and performance in various applications.

We emphasize exceptional pre-sales and after-sales service, assisting our customers in selecting the right products and providing support throughout the usage of our sprockets. Our team of experts is always ready to address any inquiries or concerns you may have.

Additionally, we understand that every customer has unique needs, which is why we offer the option for non-standard customization of our sprockets according to specific requirements.