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Help CenterMulti-Turn Wave Spring 3.5mm Stack Height 30mm OD 3Coils Load Capacity 80N
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As a professional manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory (established 1998) proudly presents our Multi-Turn Wave Spring with a precise 3.5mm stack height, 30mm outer diameter, 3 coils, and a reliable load capacity of 80N. This wave spring is engineered to deliver consistent axial force in compact spaces, making it an ideal solution for applications where space is limited yet performance is critical. Our factory, located in Hengshui, Hebei, China, exports to markets across North America, South America, Europe, Asia, and beyond, ensuring global quality standards.
This wave spring is designed to replace traditional coil springs in many applications, offering reduced assembly height and lower spring rate variability. The multi-turn design provides progressive loading characteristics, allowing for smoother operation and better energy absorption. With a load capacity of 80N, it is suitable for medium-force applications such as valve actuation, clutch mechanisms, electrical contacts, and vibration dampening. Let's explore the key features and technical specifications in detail.
Key Features & Benefits
- Compact Design: The 3.5mm stack height is significantly lower than a conventional coil spring with equivalent force, saving valuable axial space in your assembly.
- High Load Capacity: With 80N maximum load, this spring can handle moderate to heavy axial loads without permanent deformation.
- Multi-Turn Configuration: 3 coils provide a progressive spring rate, improving stability and reducing the risk of buckling.
- Precision Outer Diameter: 30mm OD ensures a snug fit in standard bore diameters, minimizing side wall friction.
- Durable Material Options: Available in spring steel (standard) or stainless steel for corrosion resistance, with optional surface treatments like phosphate coating.
- Consistent Performance: Each spring is manufactured to tight tolerances, ensuring repeatable force-deflection characteristics across production batches.
- Versatile Applications: Ideal for automotive components, medical devices, electrical connectors, industrial machinery, and consumer electronics.
Technical Specifications
| Parameter | Value |
| Stack Height (Free) | 3.5 mm |
| Outer Diameter | 30 mm |
| Number of Coils | 3 |
| Load Capacity (Max) | 80 N |
| Material Options | Spring Steel / Stainless Steel (304/316) |
| Surface Finish | Plain, Oil, Phosphate, or Zinc Plated (optional) |
| Operating Temperature | -40°C to +120°C (typical) |
| Tolerance | ±0.1 mm on OD and height |
Why Choose Our Multi-Turn Wave Spring?
- Space Saving: Replaces bulky coil springs, reducing overall assembly height by up to 50%.
- Cost Efficiency: Lower material usage and simplified assembly process reduce overall system cost.
- Improved Fatigue Life: The wave form distributes stress evenly, increasing lifespan compared to traditional springs under cyclic loading.
- Customizable: We can adjust stack height, OD, coil count, and material to meet your specific requirements.
- Quick Lead Time: Standard sizes are available from stock; custom orders shipped within 2-3 weeks.
Our wave spring is manufactured using advanced CNC coiling and heat treatment processes, ensuring consistent quality and dimensional accuracy. Each batch undergoes rigorous load testing to verify the 80N capacity at the specified deflection. We also offer free samples for evaluation upon request, allowing you to confirm performance before mass production.
Trust & Reliability
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted supplier to global industries. Our annual export value of US$5 million to US$10 million reflects the confidence our customers place in our products. We serve diverse markets including North America, Europe, Southeast Asia, Africa, and Oceania, shipping from ports of Tianjin, Qingdao, and Shanghai. Our team is dedicated to providing technical support, fast response, and flexible packaging options. Whether you need a single prototype or bulk orders, we are ready to partner with you.
Contact us today for a quotation or to discuss your wave spring requirements. Let our expertise help you optimize your design with a compact, high-performance wave spring solution.
Frequently Asked Questions
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Q: What is the maximum deflection of this wave spring?
A: The spring is designed to be compressed to a solid height of approximately 1.2 mm (depending on material thickness). The free height is 3.5 mm, so maximum deflection is about 2.3 mm. The 80N load is typically achieved at around 2.0 mm compression. -
Q: Can this spring be used in high-temperature environments?
A: Standard spring steel is suitable up to 120°C. For higher temperatures (up to 250°C), we recommend stainless steel 316 or Inconel, which are available upon request. -
Q: Is the spring available in stainless steel for corrosive environments?
A: Yes, we offer both 304 and 316 stainless steel options. Please specify your requirement when ordering. -
Q: What is the tolerance on the outer diameter?
A: Standard tolerance is ±0.1 mm. Tighter tolerances (e.g., ±0.05 mm) can be achieved for an additional cost. -
Q: Do you offer free samples?
A: Yes, we provide free samples for evaluation (shipping cost may apply). Please contact us with your details. -
Q: How many cycles can this spring withstand before fatigue?
A: Under normal operating conditions (deflection not exceeding 80% of max), the fatigue life is typically over 1 million cycles. For longer life, consider using shot-peened or surface-treated springs. -
Q: Can I get a custom stack height or OD?
A: Absolutely. We are a manufacturer and can customize dimensions, coil count, and load capacity. Minimum order quantity may apply for custom sizes. -
Q: What surface treatments are available?
A: Plain, phosphate coated, oiled, zinc plated, or black oxide. For stainless steel, no additional finish is needed.
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