China Professional ANSI-Certified Single-Strand Premier Series #25 Roller Chain

Product Description

Roller chain is a crucial component in many types of industrial equipment. At CHINAMFG Transmission, we are proud to offer the best and strongest single-strand roller chains in the business. Compared to any respective quality at other company, single-strand roller chain is not found with the same maximum durability and lifetime as ours. CHINAMFG bushings on our roller chains are heat-treated, which increases their strength and longevity. Our roller chains also feature heat-treated and shot-peened side plates, allowing the chain to handle a greater work load. CHINAMFG Transmission also offers additional connecting links and offset links for fixing your chain or customizing its length.

We are confident that our roller chains will serve you and your equipment well. We work hard to select the best quality chains on the market and sell them to our customers at unbeatable prices. If you have any questions, please do not hesitate to contact us. Our dedicated, expert staff is happy to answer any and all questions. Our staff, superior quality, and excellent prices are the reason for our A+ rating!

#25 chain are typically used for applications that require a long continuous length of chain or when smaller lengths are required and using long lengths reduce drop. Premier Series #25 roller chain is dimensionally manufactured to ANSI B29.1 Standards. This means that it will directly interchange with other ANSI certified roller chains and will operate properly on #25 chain sprockets. All Premier Series series roller chains are manufactured using the highest quality heat-treated, shot peened, and hardened high-precision components and are supplied with a premium lubricant already applied from the factory.
 

Premier Series #25 Roller Chain Dimensions

  • Pitch (P): 0.250″
  • Bushing Width (W): 0.125″
  • Bushing Diameter (D): 0.130″
  • Overall Width (A): 0.307″
  • Plate Height (H): 0.232″
  • Plate Thickness (T): 0.571″
  • Pin Diameter (E): 0.091″
  • Tensile Strength: 990 LBS
  • Weight Per Foot: 0.09 LBS

Features

    • Manufactured To ANSI B29.1 Specifications
    • Features CHINAMFG Bushings and CHINAMFG Rollers
    • Premium Quality
    • Extremely Durable and High-Strength
    • Made With Precision Heat-Treated Components
    • Shot Peened and Pre-Stretched
    • Pre-Lubricated From The Factory

Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car
Surface Treatment: Oxygenation
Structure: Roller Chain
Material: Carbon Steel
Type: Short Pitch Chain
Customization:
Available

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Customized Request

roller chain

How do roller chains handle high humidity environments?

Roller chains are designed to withstand a wide range of environmental conditions, including high humidity environments. Here’s a detailed answer to the question:

1. Corrosion Resistance: Roller chains can be manufactured using corrosion-resistant materials such as stainless steel or with special coatings that provide protection against rust and corrosion. These features help the chain withstand the effects of high humidity, which can cause moisture to come into contact with the chain surface.

2. Lubrication: Proper lubrication is essential in high humidity environments to prevent moisture from penetrating the chain and causing corrosion. Lubricants with water-resistant properties or specifically designed for humid conditions can be used to provide a protective barrier on the chain’s surfaces, minimizing the impact of moisture.

3. Seal Options: Some roller chains come with additional sealing elements, such as O-rings or X-rings, that provide an extra layer of protection against moisture ingress. These seals help keep the lubrication inside the chain and prevent contaminants from entering, reducing the risk of corrosion.

4. Maintenance Practices: Regular maintenance is crucial in high humidity environments to ensure the longevity of roller chains. Cleaning the chain to remove any accumulated moisture, dirt, or debris and applying appropriate lubrication at recommended intervals help mitigate the effects of humidity on the chain’s performance and lifespan.

5. Proper Storage: When not in use, roller chains should be stored in a dry and controlled environment to prevent prolonged exposure to high humidity. Using appropriate storage methods, such as sealed containers or dehumidified storage areas, can help preserve the chain’s integrity and minimize the risk of corrosion.

By considering these factors and implementing proper maintenance practices, roller chains can effectively handle high humidity environments, ensuring their reliable performance and extended lifespan.

roller chain

How do roller chains handle reverse motion?

Roller chains are capable of handling reverse motion in applications where the direction of movement needs to be reversed. Here’s a detailed answer to the question:

1. Bi-Directional Operation: Roller chains are designed to operate in both forward and reverse directions. The chain links and rollers are constructed to engage with the sprockets in either direction, allowing the chain to smoothly transfer power and motion.

2. Engagement with Sprockets: When the roller chain is in reverse motion, the rollers on the chain engage with the sprocket teeth in the opposite direction compared to forward motion. The engagement between the chain and the sprockets ensures a secure and reliable power transmission, allowing the chain to efficiently transfer motion in reverse.

3. Lubrication and Maintenance: Proper lubrication is essential for the smooth operation of roller chains, including during reverse motion. Adequate lubrication reduces friction and wear, ensuring the chain’s longevity and performance. Regular maintenance, including lubrication and inspection, helps identify any issues that may affect the chain’s ability to handle reverse motion and allows for timely corrective actions.

4. Proper Tensioning: Maintaining proper tension in the roller chain is crucial for its performance in both forward and reverse motion. Adequate tension ensures the chain remains engaged with the sprockets and prevents slippage or disengagement during reverse operation. Proper tensioning can be achieved through tensioning devices or adjustable mounting arrangements.

5. Load Capacity: Roller chains are designed to handle various loads, including reverse motion. However, it’s important to consider the specific application requirements and select a roller chain with the appropriate load capacity and strength to withstand the forces experienced during reverse operation.

6. Alignment and Installation: Proper alignment of the roller chain and the sprockets is essential for reliable performance in both forward and reverse motion. Ensuring correct installation, including proper alignment and tensioning, helps maintain the chain’s engagement with the sprockets and ensures smooth operation in reverse.

It’s worth noting that the specific application requirements, such as speed, load, environmental conditions, and the type of roller chain, should be considered when determining the suitability of roller chains for reverse motion. Consulting the manufacturer’s guidelines and recommendations is important to ensure proper selection, installation, and maintenance of roller chains in applications involving reverse operation.

roller chain

What are some common causes of roller chain failure?

Roller chain failure can occur due to various factors. Here’s a detailed answer to the question:

1. Insufficient Lubrication: One of the primary causes of roller chain failure is inadequate lubrication. Insufficient lubrication leads to increased friction, heat generation, and wear between the chain’s components, such as pins, bushings, and rollers. Over time, this can cause the chain to seize up, deform, or break.

2. Contamination: Contamination of the roller chain with dirt, dust, debris, or foreign particles can accelerate wear and increase the risk of failure. These contaminants can penetrate the chain’s joints, causing abrasive action and reducing the effectiveness of lubrication. Contamination can also cause corrosion, leading to weakened chain links.

3. Misalignment: Improper alignment of the sprockets and other drivetrain components can cause excessive side loading, uneven wear, and accelerated fatigue on the roller chain. Misalignment can result from improper installation, worn sprockets, or misaligned shafts, and it can lead to premature chain failure.

4. Overloading: Subjecting the roller chain to loads beyond its rated capacity can cause stress and fatigue, leading to chain failure. Overloading can occur due to improper application design, sudden shock loads, or continuous operation near or beyond the chain’s maximum load limit.

5. Wear and Fatigue: Over time, roller chains experience wear and fatigue due to normal usage. As the chain articulates around the sprockets, the pins, bushings, and rollers undergo cyclic stress, which can lead to wear, elongation, and eventually chain failure if not addressed through regular maintenance and replacement.

6. Corrosion: Exposure to corrosive environments, such as high humidity, chemicals, or saltwater, can cause corrosion on the roller chain. Corrosion weakens the chain’s structural integrity, leading to reduced load-carrying capacity and increased susceptibility to failure.

Proper maintenance, including regular lubrication, cleaning, inspection for wear and alignment, and avoiding overloading or exposure to harsh environments, is crucial to prevent roller chain failure. Timely replacement of worn or damaged chains and addressing any underlying issues that contribute to chain failure is essential for ensuring the reliable and safe operation of machinery or equipment.

China Professional ANSI-Certified Single-Strand Premier Series #25 Roller Chain  China Professional ANSI-Certified Single-Strand Premier Series #25 Roller Chain
editor by CX 2023-10-24