Nested Spirawave® Springs for Higher Forces
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Smalley's Nested Spirawave® Springs are flat wire wave springs with multiple turns, coiled in parallel to produce higher forces. Nested springs can be used to replace stacks of single-turn wave springs which in turn reduces misalignment, counting errors, and simplifies installation and removal. These springs are the perfect solution for applications like heavy-duty bearing pre-load, that require high forces in tight radial and axial spaces.
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Nested Spirawave® Springs for Higher Forces
- 1. Nested Spirawave Wave Springs for Higher Forces ® © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED. Nestedsprings.com
- 2. What are they? © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 3. ISO 13485:2016 Certified Nestedsprings.com Nested Springs What are they? Flat wire wave springs with multiple turns, coiled in parallel to produce higher forces Who can I purchase them from? Smalley is the only manufacturer with a standard nested wave spring series Three-Turn Carbon Steel Click here to request a free sample © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 4. Why use nested springs? © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 5. Nestedsprings.com Nested Spring Advantages Two to three times the force of a standard single-turn spring Can replace stacks of single-turn wave springs • Eliminates misalignment and inconsistent loading • Lower cost over stacks • Quick, simple assembly and installation © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 6. Nestedsprings.com Nested Spring Advantages Sturdy and tangle-resistant design for automated handling Smalley offers fast delivery on standard carbon and stainless parts • From .500 to 4" (16 to 100 mm) • Thousands available from stock for next day shipping • Three week lead time on standard parts in non-stock quantities © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 7. Nestedsprings.com Nested Spring Advantages Custom parts from .157 to 120" (4 to 3000 mm) available in carbon, stainless, and exotic alloys with No-Tooling-Charges™ © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 8. ISO 13485:2016 Certified Nestedsprings.com Standard Nested Spirawave • .500 to 4" • 16 to 100 mm Materials Sizes Configurations Two-Turn Carbon Steel Three-Turn Stainless Steel Click here to request a free sample • Two-Turn • Three-Turn • Carbon steel (CST) • 17-7 PH stainless steel ® © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 9. ISO 13485:2016 Certified Nestedsprings.com Custom Nested Spirawave • .157 to 120" • 4 to 3000 mm Materials Sizes Configurations • Quantity of turns varies based on required force • Carbon steel (CST) • 17-7 PH stainless steel • Exotic alloys • Elgiloy®, Inconel-X750, MP35N, & more Smalley has been manufacturing nested springs as a custom for over 30 years. ® Custom Designs © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 10. Who can use them? © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 11. Nestedsprings.com Industries Served • Easy automated handling • Carbon steel standards available from stock • Direct savings over stacks of single-turn springs • 17-7 PH stainless steel standards in stock • Tangle-resistant design • Eliminates miscounted stacks of single-turn springs • Exotic alloys available • Consistent loading • Heaviest load capabilities of any wave spring © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 12. Nestedsprings.com Industries Served • Flexible design to achieve desired loads • Sample parts available from stock • Easy to install and remove What if my industry wasn’t listed? Nested Wave Springs can be used in many applications that require a high force. Visit our website to learn how we support other markets: smalley.com/industries © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 13. Application Examples © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 14. Nestedsprings.com Application: Bearing Preload Customer problem: • Heavy-duty bearing • High pre-load force required • Currently stacking three single-turn springs • Misaligning stacks reduces bearing life © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 15. Nestedsprings.com Application: Bearing Preload Smalley solution: • Three-turn nested spring • High force needs met • Single filament of wire eliminates misalignments • Consistent loading improves bearing life • Direct cost savings vs. three single-turn springs © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 16. Nestedsprings.com Application: Electrical Connector Customer problem: • High-vibration environment connector • Needs high forces to maintain connection • Currently stacking two single-turn springs • Tangling in vibratory feeder slows sorting • Need to carefully align springs slows assembly © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 17. Nestedsprings.com Application: Electrical Connector Smalley solution: • Two-turn nested spring • Single part replaces stack for each unit • Eliminates miscounted stacks • No assembly alignment concerns • Multi-turn design prevents vibratory tangling • Faster assembly leads to cost savings © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 18. Nestedsprings.com Application: Ball Valve Seal Customer problem: • Currently using exotic alloy spring washer • High pressure seal • Requires high forces to maintain seal • Imprecise load at maximum work height leads to leaks • Extremely corrosive environment © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 19. Nestedsprings.com Application: Ball Valve Seal Smalley solution: • Three-turn nested spring • High nominal load met • Custom load specs guarantee sealing despite wear • Fast, free samples make redesign prototyping easier • No scrap manufacturing process – less expensive vs. exotic alloy stamped springs © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 20. Nestedsprings.com The Smalley Advantage For more information or to request a free sample, please visit nestedsprings.com Two-Turn Carbon SteelThree-Turn Stainless Steel © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 21. About Smalley © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 22. Nestedsprings.com The Smalley Advantage Smalley Design Engineers provide: • Design collaboration and expertise • Engineered solutions • Unmatched customer service Quality certifications: • ISO 13485 • ISO 9001 • IATF 16949 • AS9100 • ISO 14001 • RoHS AND Reach • DFARS Standard or custom, Smalley will get you the right part, in the right material with No Tooling Charges™ © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 23. Nestedsprings.com Springs and Rings Smalley Wave Springs: • Reduce spring height by up to 50% • Weight savings from less material and a smaller spring cavity • Fit tight radial and axial spaces Spirolox Retaining Rings: • No Ears to Interfere with mating assembly components • No gap or lugs, ideal for tight radial applications • Interchangeable with stamped ring grooves • No special tools needed for installation and removal • Stainless is standard: 302 & 316 from stock ® ® © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
- 24. Nestedsprings.com The Smalley Advantage For more information please visit: Smalley.com © 2019 SMALLEY STEEL RING COMPANY. ALL RIGHTS RESERVED.
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