Hot Products
Custom Springs from China: Leading Suppliers and Factory for All Your Applications
Custom Spring Design and Engineering Support
SMS Spring understands the value of well qualified engineering support when designing custom springs. Our engineers provide assistance every step of the way from design conception through project completion. Our customer design team has all the necessary resources your project needs. Contact us for expert engineers for technical support on your custom spring project.
Global Custom Spring Manufacturing
SMS Spring's expanding global presence and knowledge of the worldwide marketplace puts SMS Spring at the leading edge of creating market specific solutions for customers' needs. Contact SMS Spring for design assistance or to answer any questions to help start your custom spring project.
Description
Regulatory and Compliance
SMS Spring is ISO 2015:9001 certified and RoHS compliant.
Application
Application
SMS Spring offers support for every stage of custom design, manufacturing and distribution:
✔ Application/Concurrent Engineering staff
✔ Proof of concept methodologies
✔ Regulatory expertise including RoHS and REACH
✔ Proprietary integrated quality control system
✔ State of the art computerized spring testing equipment
✔ Global supply chain network for both production and distribution
✔ CAD assisted product design, drawing and modeling
✔ In-house prototype production services
✔ In-house tooling production including EDM
✔ Pull/Kanban capabilities
✔ Ongoing Customer/Supplier improvement initiatives
✔ ISO 9001 Registered Quality Management System
✔ Factories outfitted to effectively accommodate both short and long production runs
✔ Extensive experience working with Aerospace/Military Specifications (AS9100), Automotive Specifications (TS16949)
✔ Blanket agreement and consignment inventory management capabilities
Description
Custom Spring Capabilities
From Start to Finish, SMS Spring Has the Custom Capabilities You Need!
Compression Springs
Outside Diameter: 0.025" – 5.75" / 0.64mm – 146.1 mm
Wire Diameter: 0.004" – 0.625" / 0.10 mm – 15.88 mm
Extension Springs
Outside Diameter: 0.025 – 5.75" / 0.64 – 146.1 mm
Wire Diameter: 0.005" – 0.625" / 0.13 mm – 15.88 mm
Torsion Springs
Outside Diameter: 0.025 – 5.75" / 0.64 – 146.1 mm
Wire Diameter: 0.005" – 0.187" / 0.13 mm – 4.75 mm
Wave Springs
Outside Diameter: 0.200" – 5.000" / 5.08 mm – 127 mm
Inside Diameter: 0.150" – 4.54" / 3.81 mm – 115.32 mm
Constant Force Springs
Min. Outside Diameter: 0.340" / 8.636 mm | Inside Diameter: 0.280" – 1.97" / 7.11 mm – 50.04 mm | Min Length: 11.80" / 299.72 mm
Distinct Production Capabilities
Plastic Compression Springs, Drawbar Springs, Cone Springs, Double Torsion Springs, Extension Springs with Swivel Hooks
Wire Forms
Wire Diameters: 0.010" – 0.240" / 0.25 mm – 6 mm
Maximum Finished Length: 60" / 1524 mm
Stampings — Strip Width: up to 3" / 76.20 mm | Strip Thickness: 0.005 to 0.062" / 0.13 mm – 1.57 mm
Secondary Operations and Finishing
Assembly, Color Coding, Electropolishing, Grinding, Heat Treating, Looping, Passivation, Powder Coating, Shot Peening, Spring Setting — Plating: Nickel, Zinc, Cadmium, Special Finishes (e.g., Black Oxide)
Materials
Beryllium Copper, Beryllium Copper Silver Coated, Carbon Steel Hard Drawn, Carbon Steel Oil Tempered, Chrome Silicon Oil Tempered, Chrome Vanadium Oil Tempered, Elgiloy®, Hastelloy®, Inconel® 600 / 718 / x750, Music Wire, Phosphor Bronze, Plastic Composites, Stainless Steel 300 Series, Stainless Steel 17-7
Please Inquire Regarding Other Materials
Elgiloy is a trademark of Elgiloy Ltd. Partnership. Hastelloy is a registered trademark of Haynes International Inc. Inconel is a registered trademark of Special Metals Corporation.
Frequently Asked Questions
Q
What types of custom springs does SMS Spring manufacture?
SMS Spring manufactures a comprehensive range of custom springs including Compression Springs, Extension Springs, Torsion Springs, Wave Springs, Constant Force Springs, Wire Forms, and more specialized types such as Cone Springs, Double Torsion Springs, and Extension Springs with Swivel Hooks.
Q
Is SMS Spring ISO certified and compliant with international standards?
Yes. SMS Spring is ISO 9001:2015 certified and fully RoHS compliant. The company also maintains extensive regulatory expertise including REACH compliance, and has experience working with Aerospace/Military Specifications (AS9100) and Automotive Specifications (TS16949).
Q
Does SMS Spring provide engineering support for custom spring design?
Absolutely. SMS Spring's experienced engineering team provides full support from initial design conception through project completion. Services include CAD-assisted product design, in-house prototype production, application/concurrent engineering, and proof-of-concept methodologies.
Q
What materials are available for custom spring manufacturing?
SMS Spring works with a wide variety of materials including Music Wire, Stainless Steel (300 Series and 17-7), Carbon Steel (Hard Drawn and Oil Tempered), Chrome Silicon, Chrome Vanadium, Beryllium Copper, Phosphor Bronze, Plastic Composites, Elgiloy®, Hastelloy®, and Inconel® (600, 718 & x750). Additional materials are available upon inquiry.
Q
What secondary operations and finishing options does SMS Spring offer?
SMS Spring provides a full range of secondary operations including Assembly, Color Coding, Electropolishing, Grinding, Heat Treating, Looping, Passivation, Powder Coating, Shot Peening, and Spring Setting. Plating options include Nickel, Zinc, Cadmium, and special finishes such as Black Oxide.
Q
Can SMS Spring handle both small and large production runs?
Yes. SMS Spring's manufacturing facilities are equipped to accommodate both short and long production runs effectively. The company also offers Pull/Kanban capabilities, blanket agreement and consignment inventory management, and a global supply chain network to ensure efficient production and distribution at any scale.