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Help CenterMulti-Turn Wave Spring Used in Automotive Transmission 10mm OD 5 Coils 17-7PH
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As a trusted manufacturer with over 20 years of experience, Anping County Boli Hardware Wiremesh Products Factory (established 1998) proudly presents our Multi-Turn Wave Spring Used in Automotive Transmission – 10mm OD, 5 Coils, 17-7PH. This precision-engineered component is designed to meet the rigorous demands of modern automotive transmissions, offering reliable performance, compact packaging, and long service life. Our factory, with an annual export value of US$5–10 million, serves global markets including North America, Europe, and Asia, ensuring consistent quality and timely delivery.
The wave spring is manufactured from 17-7PH stainless steel, a precipitation-hardening alloy that provides excellent corrosion resistance, high strength, and fatigue endurance. With an outer diameter of 10 mm and 5 coils, this multi-turn design delivers a progressive spring rate ideal for axial load applications in tight spaces. Whether used in clutch systems, valve actuation, or damper assemblies, our wave spring reduces assembly height and weight compared to conventional coil springs, while maintaining equivalent or superior force output.
Below we detail the key specifications, performance benefits, and why choosing Boli Hardware ensures your transmission components operate at their best.
Product Specifications
| Parameter | Value |
|---|---|
| Material | 17-7PH Stainless Steel (AMS 5528, ASTM A693) |
| Outer Diameter (OD) | 10 mm |
| Number of Coils | 5 |
| Free Height (approx.) | Customizable – typically 2.5–4.0 mm |
| Wire Cross Section | Rectangular / Trapezoidal (optional) |
| Load Capacity | Up to 200 N (depending on design) |
| Operating Temperature Range | -55°C to +350°C |
| Surface Finish | Passivated, oxide-free, optional coating |
Key Features & Benefits
- Space-Saving Design: Compared to conventional coil springs, our multi-turn wave spring occupies up to 50% less axial space while delivering equivalent force. This is critical in compact automotive transmission assemblies where every millimeter counts.
- High Fatigue Life: The 17-7PH alloy, combined with our precision forming process, ensures millions of cycles without failure. Each spring undergoes stress-relief heat treatment to maximize durability.
- Corrosion Resistance: 17-7PH stainless steel offers excellent resistance to transmission fluids, moisture, and road salts, extending the service life of the component.
- Consistent Force Output: The multi-turn wave geometry provides a linear or progressive spring rate, allowing for predictable deflection and load characteristics vital for shift quality and clutch engagement.
- Customizable Dimensions: While this standard product features 10mm OD and 5 coils, we can adjust outer diameter, number of coils, free height, and wire cross-section to meet specific transmission requirements.
- Reduced Weight: The wave spring’s efficient material usage results in a lighter component, contributing to overall vehicle fuel efficiency and reduced inertia in rotating parts.
- Quiet Operation: The wave form minimizes noise, vibration, and harshness (NVH) compared to stacked disc springs or conventional coil springs, enhancing driver comfort.
Why Choose Our Multi-Turn Wave Spring for Your Transmission?
In automotive transmission applications, reliability is non-negotiable. Our wave spring is engineered to withstand the harsh environment of gearboxes, including high temperatures, oil immersion, and continuous cycling. The 17-7PH material retains its mechanical properties even after prolonged exposure to elevated temperatures, ensuring consistent performance over the lifespan of the vehicle.
We utilize advanced CNC coiling and heat treatment equipment to maintain tight tolerances on wire thickness, coil pitch, and overall dimensions. Every spring is inspected for dimensional accuracy, surface defects, and load-deflection characteristics before shipment. Our quality system, backed by our factory’s 20+ years of experience, ensures that you receive components that meet or exceed your specifications.
For transmission designers, our wave spring offers a compact solution for preload, return, or clamping functions. It can replace wave washers, Belleville washers, or helical springs with improved space utilization and reduced part count. The multi-turn design provides a higher force in a shorter stack height, making it ideal for applications like dual-clutch systems, shift drums, and valve body assemblies.
Trust Built Over Decades – Anping Boli Hardware
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer of precision springs and wire products. Our annual export value of US$5–10 million is a testament to the trust placed in us by customers across North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports including Tianjin, Qingdao, and Shanghai, ensuring efficient logistics to global destinations.
Our factory is equipped with modern spring coiling machines, heat treatment furnaces, and inspection tools. We are committed to continuous improvement and customer satisfaction. While our product certifications are listed as “Others”, we adhere to industry standards and can provide material certifications, dimension reports, and load test data upon request.
We invite you to experience the performance and reliability of our Multi-Turn Wave Spring. Whether you need a standard 10mm OD, 5-coil version or a fully customized design, our engineering team is ready to assist. Contact us today for a quotation, technical drawing, or sample request. Let Boli Hardware be your partner in high-quality transmission components.
Frequently Asked Questions (FAQ)
-
Q: What is the typical application of this multi-turn wave spring in an automotive transmission?
A: It is commonly used in clutch systems, valve bodies, shift mechanisms, and damper assemblies where a compact axial spring is required to provide preload, return force, or constant pressure. -
Q: Can I get this wave spring with a different outer diameter or number of coils?
A: Yes, we offer customization. You can specify the outer diameter (from 5mm to 50mm), number of coils, free height, and wire cross-section. Our team can design to your exact requirements. -
Q: Is 17-7PH stainless steel suitable for high-temperature transmission environments?
A: Absolutely. 17-7PH retains excellent mechanical properties up to 350°C, making it ideal for the elevated temperatures inside automatic and manual transmissions. -
Q: Do you provide material certifications or load test reports?
A: Yes, we can supply material certificates, dimensional inspection reports, and load-deflection curves upon request to ensure compliance with your specifications. -
Q: What is the minimum order quantity (MOQ) for this product?
A: For standard sizes, MOQ is typically 500 pieces. For custom designs, MOQ may vary based on complexity – please contact our sales team for details. -
Q: How long does delivery take?
A: For standard products, delivery is 15–20 working days. Custom orders generally require 20–30 working days, depending on design and quantity. -
Q: Can this wave spring be used in automated transmission assembly lines?
A: Yes, our springs are designed for automated handling. We can provide packaging options such as trays, reels, or bulk boxes to suit your assembly process. -
Q: What surface treatments are available?
A: Standard passivation is applied for corrosion resistance. Additional options include PTFE coating, black oxide, or phosphate coating – all available upon request.
Choose Anping Boli Hardware for your transmission wave spring needs. Our dedication to quality, precision, and customer service ensures that you receive a product that performs reliably, cycle after cycle. Contact us today to discuss your project!
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