Products Description
The Carbon Steel DIN471 External Circlip is a durable, high-performance fastening component designed to fit securely into grooves on shafts or housings. This circlip is commonly used to prevent axial movement of components, ensuring the safety and reliability of assemblies. Manufactured according to DIN 471 standards, these external circlips provide a strong and secure fit, offering exceptional retention capabilities in various mechanical applications. The circlip is made from high-quality carbon steel, which offers excellent wear resistance and strength for demanding conditions.
Key Features:
Standardized to DIN 471 for consistency and interchangeability.
Made from carbon steel for improved strength and durability.
External design for easy installation and removal in shaft grooves.
Available in various sizes and thicknesses to accommodate different shaft diameters.
Corrosion-resistant coatings available for improved longevity in harsh environments.
Technical Parameters:
Material: Carbon Steel (e.g., C75, C1060, or equivalent)
Standard: DIN 471
Finish: Plain, Zinc-plated, Phosphate-coated, or Black Oxide (optional based on customer needs)
Thickness: Varies based on application (typically ranges from 0.8 mm to 2 mm)
Outer Diameter: Customized to fit shaft sizes from 10 mm to 100 mm (custom sizes available upon request)
Hardness: Typically 40-50 HRC (after heat treatment)
Tensile Strength: 800-1000 MPa (depending on material and heat treatment)
Working Temperature: -20°C to 120°C (depends on material coating)
Products Process
Material Selection:
High-quality carbon steel is selected for its combination of strength, hardness, and durability. The material may undergo processes such as heat treatment to enhance performance.
Stamping/Blanking:
The carbon steel sheet is stamped or blanked into the required shape using high-precision tools and machines. The external circlip is formed with the specific outer diameter and spring characteristics according to DIN 471 specifications.
Heat Treatment:
The circlips undergo heat treatment processes, including tempering and hardening, to achieve the desired balance of hardness and flexibility, enhancing wear resistance and performance.
Finishing and Surface Treatment:
Post-formation processes such as deburring and surface coating (e.g., black oxide or zinc coating) are applied to improve corrosion resistance and surface smoothness, ensuring longer lifespan and ease of installation.
Quality Control:
The finished circlips undergo rigorous quality control tests, including dimensional checks and mechanical testing to ensure compliance with DIN 471 standards and customer requirements.
Products Application
Automotive Industry: Used to secure components in transmissions, engines, and gearboxes.
Machine Manufacturing: Commonly found in industrial machinery to prevent axial movement of parts like bearings, pulleys, or gears.
Agricultural Equipment: Helps to secure various parts of machinery such as tillers and plows.
Aerospace: Used in aircraft components where reliability and strength are critical.
General Engineering: Applied in different mechanical assemblies requiring secure retention of parts in housing or shaft grooves.
FAQ
What is the difference between an external circlip and an internal circlip?
External circlips are used to fit in grooves on shafts, while internal circlips fit into grooves on housings. Both serve to prevent axial movement, but their installation locations are different.
Can I use this circlip in high-temperature environments?
Yes, the DIN 471 external circlip made from carbon steel can withstand temperatures up to 120°C, but if your application requires higher temperatures, we can provide options with special coatings or materials.
How do I install an external circlip?
External circlips are typically installed using pliers designed for circlip assembly, ensuring the circlip fits securely in the shaft groove. Always check for the correct size and proper installation.
Are custom sizes available?
Yes, we offer custom sizing based on customer requirements. Please provide the shaft diameter and groove specifications for us to manufacture a perfect fit.
What is the recommended storage method?
Store circlips in a dry, cool environment away from direct sunlight to avoid corrosion. If uncoated, make sure they are kept in a container to prevent physical damage or oxidation.
What coatings are available for added corrosion resistance?
We offer various surface coatings such as zinc plating, black oxide, or phosphate coating to enhance corrosion resistance depending on your operating environment.
How do I know if the circlip is the correct size for my application?
Measure the shaft diameter and groove dimensions before choosing the circlip size. DIN 471 circlips are designed to fit specific groove sizes and should match the shaft diameter precisely to provide a secure fit.
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