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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in precision springs and wire mesh products. We proudly present our Multi-Turn Wave Spring 5 Coils 15mm Free Height 17-7PH Stainless Steel Load 50N, a high-performance component designed for demanding applications where space is limited and reliability is critical. Manufactured from premium 17-7PH stainless steel, this wave spring offers excellent corrosion resistance, high fatigue life, and consistent force output, making it an ideal choice for industries such as aerospace, automotive, medical devices, and electronics. Our commitment to precision engineering ensures every spring meets strict tolerances, delivering superior performance in your assemblies.
The unique multi-turn crest-to-crest design provides a compact axial force solution, replacing traditional coil springs with a reduced installed height. With 5 coils and a free height of 15mm, this spring generates a precise 50N load, offering engineers a reliable and space-saving alternative for bearing preload, valve actuation, and electrical contact applications. The 17-7PH stainless steel material offers high strength and excellent spring properties even at elevated temperatures, while optional passivation enhances corrosion resistance for harsh environments.
Technical Specifications
| Parameter | Value |
| Material | 17-7PH Stainless Steel (UNS S17700) |
| Type | Multi-Turn (Crest-to-Crest) Wave Spring |
| Number of Coils | 5 |
| Free Height (unloaded) | 15 mm ±0.15 mm |
| Load at Working Height | 50 N (at specified deflection) |
| Operating Temperature Range | -55°C to +300°C (typical) |
| Surface Finish | As-rolled; passivation available upon request |
| Customization | Other dimensions, loads, and materials available on request |
Key Features & Benefits:
- Compact Design: The multi-turn wave spring occupies minimal axial space, reducing assembly height by up to 50% compared to conventional coil springs.
- High Fatigue Life: 17-7PH stainless steel offers excellent endurance – tested over 1 million cycles without significant load loss, ensuring long-term reliability.
- Precise Force Control: Each spring is manufactured to strict tolerances, delivering a consistent 50N load at the specified deflection, critical for sensitive applications.
- Corrosion Resistance: The 17-7PH alloy provides inherent resistance to many corrosive media; optional passivation further enhances protection for outdoor or chemical exposure.
- Temperature Stability: Maintains elasticity and load characteristics across a wide temperature range from -55°C to +300°C.
- Versatile Applications: Ideal for bearing preload, electrical contacts, valve springs, mechanical seals, and aerospace components where space and weight are limited.
Our wave springs are manufactured using advanced CNC coiling and heat treatment processes, ensuring consistent quality from batch to batch. Every spring undergoes dimensional and load testing to verify compliance with specifications. We offer flexible customization – simply provide your required free height, coil count, load, or material, and our engineering team will develop a solution tailored to your application.
As a trusted manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory has an annual export value of US$5 million to US$10 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major Chinese ports including Tianjin, Qingdao, and Shanghai. We maintain strict quality control throughout production, and we welcome OEM/ODM inquiries. Partner with us for reliable, high-performance wave springs that meet your most demanding requirements.
Frequently Asked Questions (FAQ)
- What is the difference between a multi-turn wave spring and a traditional coil spring? A multi-turn wave spring consists of several waves per turn, providing a compact axial force with a lower spring rate and reduced solid height. It occupies less space than a coil spring of equivalent force, making it ideal for tight assemblies.
- Can I get this spring with a different load or free height? Yes, we offer customization. Contact us with your desired specifications – free height, coil count, load, and material – and we can produce a tailored wave spring to meet your exact needs.
- What is the tolerance on the free height and load? Standard free height tolerance is ±0.15 mm. Load tolerance is typically ±10% at the specified working height. Tighter tolerances are available upon request.
- Is the 17-7PH stainless steel suitable for high-temperature environments? Yes, 17-7PH stainless steel maintains good mechanical properties up to approximately 300°C (572°F). For higher temperatures, other materials such as Inconel or Elgiloy can be considered.
- Do you provide samples before bulk order? Yes, we can supply sample quantities for evaluation. Sample lead time is typically 5-10 working days, depending on complexity.
- What surface treatments are available? Standard finish is as-rolled. Passivation, electropolishing, or coating (e.g., PTFE) can be applied upon request for enhanced corrosion resistance or reduced friction.
- How do I ensure the spring is installed correctly? The spring should be installed in a cavity with proper radial support to prevent buckling. Ensure the working height is within the specified deflection range. Our technical support team can provide installation guidelines if needed.
- What is your minimum order quantity (MOQ)? For standard sizes, MOQ is typically 100 pieces. For custom designs, MOQ may vary – please consult our sales team for details.
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