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Help CenterOil Tempered Die Spring 80mm Free Length 40mm OD 1500N Max Load Industrial Grade
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At Anping County Boli Hardware Wiremesh Products Factory, we have been dedicated to manufacturing high-quality industrial springs since 1998. Our Oil Tempered Die Spring 80mm Free Length 40mm OD 1500N Max Load is a prime example of our commitment to precision and durability. Engineered for demanding stamping and molding applications, this spring delivers consistent performance under heavy loads, making it an essential component for tool and die makers worldwide. With annual export values reaching US$5-10 million, our products are trusted across North America, South America, Europe, Asia, and beyond.
This die spring is manufactured using premium oil-tempered spring steel wire, subjected to a specialized heat treatment process that enhances fatigue resistance and load-bearing capacity. The 80mm free length and 40mm outer diameter are precisely controlled to ensure interchangeability and reliable fit in standard die sets. Rated at 1500N maximum load, it provides robust force for deep drawing, punching, and forming operations. Our springs are available in multiple color-coded options (e.g., blue, green, red) to indicate load ranges, simplifying inventory management and selection.
Key Features & Technical Specifications
- Material: Oil tempered chrome silicon steel (SAE 9254 or equivalent) for superior wear resistance.
- Free Length: 80mm ±1mm, ensuring consistent preload in assembly.
- Outer Diameter: 40mm (1.575 inches) with tight tolerance to fit standard spring retainers.
- Max Load: 1500N (approx. 337 lbf) at solid height, providing excellent force capacity.
- Surface Treatment: Oil tempered finish reduces friction and extends service life.
- Color Coding: Available in blue (standard) – other colors (green, red, yellow) available upon request for load differentiation.
- Operating Temperature: Suitable for continuous use up to 120°C (248°F); higher temperatures may require special material.
- Ends: Closed and ground ends for squareness and stable load application.
| Parameter | Value | Notes |
|---|---|---|
| Free Length (L0) | 80 mm | Uncompressed length |
| Outer Diameter (OD) | 40 mm | Nominal diameter |
| Max Load (Fmax) | 1500 N | At compressed length |
| Wire Diameter | Customizable | Contact us for exact specs |
| Solid Height | Approx. 45 mm | At full compression |
| Spring Rate | ~42.86 N/mm | Calculated from load & deflection |
Advantages & Customer Benefits
- Extended Service Life: Oil tempering improves fatigue resistance by up to 50% compared to standard springs, reducing replacement frequency and downtime.
- High Load Capacity: 1500N ensures reliable performance in heavy-duty stamping, die casting, and injection molding applications.
- Precision Tolerance: Dimensional accuracy of ±1mm on free length and ±0.5mm on OD ensures seamless integration into existing die sets.
- Versatile Color Coding: Choose from industry-standard colors to quickly identify load ranges, simplifying inventory management.
- Customization Available: We can modify free length, OD, wire diameter, or load rating to meet specific requirements – simply inquire.
- Global Shipping: Shipped from Tianjin, Qingdao, or Shanghai ports, with fast delivery to major markets worldwide.
With over two decades of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has built a reputation for quality and reliability. Our annual export volume of US$5-10 million and presence in more than 15 markets globally demonstrate our ability to meet international standards. Each spring undergoes rigorous inspection to ensure compliance with your specifications. We invite you to partner with us for consistent, cost-effective die spring solutions.
Contact our sales team today for pricing, samples, or custom orders. Whether you need a standard 80x40mm spring or a specialized variant, we are ready to support your production line.
Frequently Asked Questions (FAQ)
-
Q: What is the expected lifespan of this spring under normal operating conditions?
A: The oil-tempered construction provides excellent fatigue life. Typically, it can withstand 300,000 to 1,000,000 cycles depending on the load and deflection ratio. For maximum life, avoid exceeding 80% of the maximum load. -
Q: Can I use this spring in high-temperature environments?
A: This spring is designed for continuous use up to 120°C (248°F). For higher temperatures, consider using a different material such as stainless steel or Inconel – please consult us for custom solutions. -
Q: Are the springs color-coded? What do the colors mean?
A: Yes, we offer color coding to indicate load range. Typically, blue represents medium load, green for heavy load, red for extra-heavy, and yellow for light. The exact color may vary by manufacturer; we can apply your preferred standard. -
Q: Do you offer other sizes or custom dimensions?
A: Absolutely. We can produce springs with different free lengths, outer diameters, wire diameters, and load ratings. Custom orders are welcome – just provide your specifications. -
Q: What is the surface treatment? Does it prevent rust?
A: The oil-tempered finish provides a protective layer that reduces friction and offers moderate corrosion resistance. For outdoor or humid environments, we recommend additional coatings such as zinc plating or oiling – available upon request. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, the MOQ is typically 100 pieces. For custom sizes, MOQ may vary. Please contact us for details. -
Q: How do I ensure proper installation?
A: Always install the spring with the closed ends against the supporting surfaces. Use a proper spring retainer to prevent buckling. Lubricate lightly if needed. Never fully compress the spring to solid height during operation – leave a safety margin of at least 10%. -
Q: What are the shipping options?
A: We ship from Tianjin, Qingdao, or Shanghai ports. We can arrange sea freight, air freight, or express courier depending on your urgency and volume. Export documents are provided.
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