Based in McKees Rocks, PA, Ace Wire Spring & Form Co., Inc. specializes in manufacturing custom precision compression, extension, and torsion springs, alongside custom wire forms. Established in 1939, this family-operated, woman-owned company provides tailored spring solutions for diverse industrial needs.
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Spring Manufacturing Companies
Last updated: January 2026
This directory lists 95 spring manufacturing companies across the United States, from high-volume automotive suppliers specializing in compression and extension springs to boutique shops crafting intricate wire forms and flat springs for specialized medical devices.
Buyers typically seek spring manufacturers to solve challenges related to consistent load bearing, specific fatigue life requirements, or reliable performance in extreme environments. This often involves specifying precise tolerances for free length, solid height, and spring rate, or selecting specialized materials like Inconel or beryllium copper for high-temperature or corrosive applications.
The landscape of spring manufacturers ranges from fully integrated facilities handling everything from raw material drawing and heat treating to secondary operations like grinding and plating, to smaller shops focused purely on coiling and forming. Distinctions often lie in their primary machinery (e.g., CNC coiling machines vs. mechanical coilers), their capacity for production volumes, and their expertise in different spring types like Belleville washers or constant force springs.
To ensure a smooth engagement, buyers should arrive with detailed engineering drawings that specify wire diameter, material grade, surface finish requirements, and any critical post-processing such as shot peening or passivation. Suppliers will expect clear definitions of allowable solid height and cyclical life expectations, preferably with specific load-deflection requirements.
A notable trend in spring manufacturing is the increasing demand for advanced spring materials offering superior strength-to-weight ratios and enhanced corrosion resistance, driven by the aerospace and medical industries. This pushes manufacturers to invest in processing exotic alloys and implementing more sophisticated quality control for material microstructure and residual stress.
Company Directory
95 companies nationwide
Based in Colton, CA, Acxess Spring manufactures various custom compression springs. The company offers custom designs and prototypes, focusing on competitive pricing and a fast 5-day lead time for its spring products. They serve a range of industrial clients.
Based in Concord, OH, American Belleville specializes in the design, engineering, and manufacturing of custom Belleville Washers, Flange Washers, and Disc Springs. The company utilizes its own facilities to produce these specialized spring components for various industrial applications.
Based in Santa Clara, CA, American Precision Spring Corporation manufactures custom precision springs and metal parts. They produce torsion, compression, extension, flat, and leaf springs, along with wire forms and stampings. Serving aerospace, computing, electronic instruments, and medical equipment industries since 1979.
Based in Los Angeles, California, American Spring, Inc. is an experienced spring manufacturer. They specialize in producing high-quality black coated oil tempered torsion springs available in various sizes. The company also offers a full line of one-piece replacement springs and E-900 one-piece hardware kits, serving diverse industry needs.
AMW Springs, Inc. is a US-based manufacturer specializing in custom and stock springs for diverse industrial applications. They produce a variety of spring types, including compression, extension, and torsion springs. The company provides high-quality production and engineering support from its facility in Rock Creek, OH.
Based in San Jose, CA, Advanced Precision Spring Corp. specializes in custom spring manufacturing and machining services. They offer comprehensive solutions from design and prototyping to manufacturing and modifications for various spring types and related parts, serving a diverse range of customer needs.
Based in Norwalk, CA, Argo Spring Manufacturing Co., Inc. specializes in producing a wide range of custom precision springs, wire forms, metal stampings, and four slide products. They offer design support, screw machining, and mechanical assembly services, developing springs based on customer design requirements.
Associated Spring provides precision engineered spring and stamping components, serving a wide range of manufacturing industries. The company specializes in custom engineered, medical-grade springs and stamping solutions for critical applications in transportation, aerospace, medical devices, energy, and general industrial sectors.
Atlas Suspension, based in La Puente, CA, designs and manufactures aftermarket suspension and off-road products. The company specializes in producing high-performance coil springs, leaf springs, and other essential suspension components for a wide range of automotive applications. They engineer their own products for precise fitment and superior performance.
Based in Minneapolis, MN, Boker's, Inc. specializes in custom precision metal stampings and washers. They are a leading manufacturer of Belleville washers, also called Belleville spring washers and conical spring washers. Established in 1919, Boker's maintains AS 9100 & ISO 9001 certifications for quality.
Cleveland, OH-based B&P Spring Production Co., Inc. is a family-owned manufacturer of compression, extension, and torsion springs, established 1960. They also produce wire and flat forms for hydraulics, agriculture, and appliances. Capabilities include wire diameters from .008” to .562”.
Based in Lake Elsinore, CA, C & J Spring provides custom spring manufacturing services. The company specializes in producing a variety of precision springs and wire forms for industrial and commercial applications, focusing on quality and tailored solutions for diverse client needs.
Based in Commerce, CA, Century Spring Corp manufactures custom and stock springs and wire forms. Since 1927, they have offered over 40,000 designs for OEM and MRO applications. The company specializes in precision compression, extension, and torsion springs, holding AS9100D and ISO 9001 compliance.
Based in Houston, TX, Custom Spring Manufacturing is an ISO 9001 certified company. They specialize in manufacturing custom springs and metal machine components like torsion, compression, and equalizer springs, nitrogen coils, and wireforms. Serving the energy, oil & gas sectors, they provide engineering, heat treatment, and orbital welding.
Based in Farmington, CT, Dayon Spring specializes in designing and manufacturing high-quality precision custom miniature and micro springs. They produce compression, torsion, and extension springs, along with CNC wire forming services. With over 60 years of experience, Dayon Spring provides engineering and technical support for custom projects.
Based in Corona, CA, Delgau Spring, Inc. is a precision manufacturer established in 1978. The company specializes in fabricating custom springs, including compression, extension, and torsion springs, for diverse applications. They also offer metal stamping and wire forms, utilizing various ferrous and non-ferrous materials.
Based in Santa Fe Springs, CA, Diversified Spring Technologies has supplied precision and commercial springs for over 30 years. They are committed to providing quality products and on-time delivery to customers in various industries.
Draco Spring Mfg. Co. specializes in designing and manufacturing springs, wire forms, and stampings, serving diverse industries since 1969. Based in Houston, TX, they offer custom and production orders from various materials, utilizing hot and cold coiling capabilities. Draco serves sectors including automotive, medical, military, aerospace, and oil field applications.
Eaton Detroit Spring, Inc. manufactures custom and replacement leaf and coil springs for both classic and modern vehicles. Operating since 1937, they produce springs from original blueprints, specializing in American automotive applications. The company provides bespoke solutions and parts, maintaining vehicles with high-quality spring manufacturing.
Elyria Spring & Stamping, based in Elyria, OH, specializes in the manufacturing of custom springs, wire forms, and precision metal stampings. The company also provides comprehensive tooling solutions. Serving diverse industries, they offer high-quality components and services, all proudly made in the USA.
Based in Wickliffe, OH, Euclid Spring Co. specializes in custom spring manufacturing, offering compression, extension, and torsion springs, alongside wire forms and stampings. They serve diverse industrial sectors including automotive, aerospace, medical, and agriculture, providing precision components for various applications.
Based in Houston, Texas, Integrity Spring & Fab specializes in manufacturing custom precision springs for energy and industrial applications. The company, founded in 2021, offers fast lead times and operates with ISO compliance, ensuring high quality and service for its clients.
Based in North Kansas City, MO, Industrial Spring Corporation manufactures high-quality mechanical springs and formed metal products. Capabilities include compression, extension, torsion, wire forms, and flat springs. With over 50 years of experience, this employee-owned company builds long-term partnerships, focusing on customer satisfaction.
Based in Ontario, CA, JNL Spring Manufacturing Co. has over 25 years of experience producing hyper-sensitive springs for aircraft and aerospace applications. The company is ISO 9001:2015 certified, specializing in custom spring manufacturing for industrial clients.
Katy Spring & Mfg Inc., based in Katy, TX, is a US-based manufacturer with over 25 years of experience in precision spring manufacturing. The company produces premium custom metal springs, including compression and extension springs, serving various industrial clients.
Keats Manufacturing Co., based in Wheeling, IL, specializes in precision metal stamping and four-slide solutions. They produce wire forms and spring components, including spring contact stampings and assemblies. Serving automotive, appliance, and hearing aid applications, the company maintains ISO 9001, ISO 14001, and IATF 16949 certifications.
Based in Houston, TX, Leeco Spring International Inc. has specialized in precision and custom spring manufacturing and design since 1959. The company produces a variety of spring types, including compression, extension, die, and torsion. An online catalog features over 8,500 stock springs, with most orders shipping within 24 hours.
Based in Brooklyn, NY, Lee Spring is a custom spring manufacturer, producing components to precise specifications for industrial and commercial projects. They also offer a wide range of in-stock springs ready for immediate shipment, utilizing US-based operations to serve diverse manufacturing needs.
Master Spring manufactures high-quality, custom coil springs and wire forms. Specializing in unique and complex parts, the company produces hard-to-produce springs and various wire forms, including S-hooks, J-hooks, and utility hooks.
M & S Spring, established in 1960, custom manufactures compression, extension, torsion, and garter springs, wire forms, clips, fasteners, and light stampings. Providing prototype and production capacities, they serve automotive, aerospace, military, and non-automotive clients. The company emphasizes quick deliveries and a stringent Quality Management System.
MW Components is a US-based manufacturer specializing in a wide range of custom and in-stock springs, including compression and extension springs. With over 20 manufacturing facilities, the company offers extensive custom capabilities, quick quote responses, and a large inventory of 40,000+ designs.
Newcomb Spring Corp. is an experienced custom spring and wire form manufacturer, producing quality parts compliant with customer specifications. They handle orders from samples to large production volumes, specializing in American-made compression, extension, and torsion springs. The company also offers wire forms and metal stampings for diverse industrial applications.
Based in Louisville, KY, NHK Spring Precision of America manufactures springs and automotive components. With nearly eight decades of experience, the company focuses on precision, cost reduction, weight reduction, and performance longevity. It is internationally recognized and IATF 16949 Certified.
Based in Houston, TX, North Harris Spring, LLC manufactures custom precision mechanical springs. The company specializes in compression, extension, and torsion springs, along with wire forms, stampings, and die springs, serving diverse industrial applications.
Based in El Monte, CA, Precision Coil Spring manufactures custom precision springs and formed metal parts. The company offers engineering, prototyping, and manufacturing services for both short-run and high-volume needs. They produce compression, extension, and torsion springs, serving sectors like aerospace, medical, and defense.
Based in Bristol, CT, Plymouth Spring manufactures high-quality springs for commercial and industrial applications. They utilize 36 high-precision CNC coiling machines and offer tool-making, fourslide stamping, and wire forms. Products include compression, extension, and torsion springs, serving sectors like aerospace, automotive, medical, and electronics.
Based in Santa Fe Springs, CA, Quick Spring specializes in rapid prototyping and low-volume custom springs and wire forms. They manufacture compression, extension, and torsion springs, flat springs, and Belleville washers. Focused on quick quotes and delivery for orders under 500 pieces, Quick Spring supports design and engineering.
Based in Lake Geneva, WI, R & L Spring Company specializes in manufacturing a broad range of custom springs and wire forms. They produce micro-miniature springs, large suspension springs, compression, extension, and torsion springs for automotive, medical, recreational, and commercial vehicles. The company utilizes advanced CNC wire forming and fourslide machines for complex designs.
Rotor Clip Company, Inc., based in Chicago, IL, is a comprehensive manufacturer and supplier specializing in standard and custom retaining rings, wave springs, and hose clamps. The company emphasizes an application-driven and engineering-minded approach, serving customers globally with its range of precision-engineered products.
Sacramento Spring Inc. specializes in the onsite manufacturing, repair, and modification of leaf springs and U-bolts. Based in Sacramento, CA, they design and build complete springs, often with one-day service. As a full temper manufacturer, they serve various applications, including campers, RVs, heavy trucks, and 4x4s.
Based in San Leandro, CA, Scandic Springs, Inc. is a manufacturing company that specializes in producing various types of springs. They serve industrial and commercial B2B customers, providing custom spring solutions with their own facilities and expertise in the United States.
Based in Carrollton, TX, SGD Springs specializes in manufacturing durable torsion springs designed for peak performance. The company offers a wide range of springs with various diameters, including 1.75, 2.00, 2.63, 3.75, and 6.00 inches. They also provide complementary hardware.
Smalley manufactures innovative wave springs and flat wire compression springs, engineered for significant space savings over traditional coil springs. Specializing in designs like Nested Wave Springs, the company serves U.S. customers, offering standard parts online. They provide specialized spring solutions for various industrial applications.
Southern Spring & Stamping, Inc., based in Stokesdale, NC, custom manufactures compression, extension, and torsion springs and wireforms. With over 60 years of experience, they also offer stampings, tool & die, sheet metal fabrication, laser cutting, and CNC machining.
Based in Houston, Texas, Southern Spring Manufacturing Inc. specializes in manufacturing high-quality custom springs and wire forms. They produce compression, extension, torsion, and flat springs, alongside various wire forms, for diverse industrial applications. The company utilizes a state-of-the-art facility to deliver tailored spring solutions.
Based in La Puente, CA, Speedy Springs LLC specializes in custom coil spring manufacturing, offering compression, extension, torsion, and die springs, as well as wire forms. With 15 years of experience, they also provide light stamping and assemblies, focusing on strength, precision, and reliability for diverse applications.
Spiros Industries, based in West Bend, WI, is a high-volume manufacturer of precision springs and custom wire forms. They specialize in compression, extension, torsion, micro, and medical springs. Spiros offers prompt prototyping services, collaborating with client design teams to optimize part performance.
Based in Lansdale, PA, John Evans' Sons LLC is America's oldest springmaker, founded in 1850. They provide custom spring engineering and manufacturing, producing precision springs, wire forms, and mechanical assemblies. Specializing in constant force, spiral torsion, and power springs, the ISO-certified company serves medical device, aerospace, and military industries.
Based in East Longmeadow, MA, Springfield Spring & Stamping is an engineering-centric manufacturer of custom springs, wireforms, and stampings. They design and produce critical-to-function components such as compression, torsion, extension, and magazine springs for various industrial applications. The company offers diverse manufacturing capabilities and rapid prototyping services.
Based in Houston, TX, Spring Engineers of Houston specializes in custom spring manufacturing. The company also produces metal stampings, wire forms, and other custom metal products. They focus on designing energy management devices for various applications, providing resources for successful spring design.
Spring Industries Inc., based in Ventura, CA, custom manufactures compression, extension, torsion, leaf, flat, and wave springs. They also produce stampings, wire forms, and washers, offering EDM products and services. The company works with wire sizes from .004" to .500" and diverse spring materials.
Based in Tewksbury, MA, Spring Manufacturing Corporation custom manufactures precision springs and metal components. They provide expert design assistance and precision engineering for complex requirements, producing flat form, compression, extension, torsion, and wire forms. The company serves the aerospace, military, and medical markets.
Spring Team Inc., based in Austinburg, OH, is an ISO-certified manufacturer specializing in custom compression, torsion, and extension springs, alongside wire forms. Since 1968, the company has provided quality products to OEM, specialty, and distribution markets, focusing on on-time delivery and customer satisfaction.
Southern Precision Spring, based in Charlotte, NC, engineers and manufactures custom compression, extension, torsion springs, and wireforms. They provide precision-made products built to exact specifications, with services like grinding, plating, and shot peening. The company serves diverse sectors, including automotive, oil & gas, appliance, and agriculture.
Based in Chicago, IL, Stanley Spring & Stamping Corporation specializes in custom spring fabrication and metal stamping. They design and create precision springs, ensuring superior quality and performance for diverse project needs. The family-owned company, operating since 1944, is ISO 9001:2015 and IATF 16949:2016 Certified.
St. Marys Spring Company, founded in 1946, manufactures custom and standard springs, flat forms, wire forms, and stampings. The company utilizes innovative production techniques and advanced equipment, serving various industrial segments with their products. They collaborate with customers from conception to product development.
Based in Houston, TX, Suhm Spring Works manufactures custom mechanical and hot wound springs. With over 130 years of experience, the company also offers stampings, wire forms, machining, and metal spinning. They provide comprehensive support for spring design and production, serving diverse industrial applications.
Based in Anaheim, CA, Superior Spring Company is a custom spring manufacturer with over 60 years of experience. They produce springs, wire forms, and assemblies for Aerospace, Defense, Medical, and Commercial applications. The company leverages in-house capabilities for machining, processing, and testing to deliver high-quality products.
Taylor Spring Mfg. Co., Inc., based in Chicago, IL, has manufactured custom springs and wire forms since 1946. They produce compression, extension, and torsion springs using diverse materials. The company offers robust manufacturing solutions for industrial applications, including equivalents for major spring brands.
Based in Columbus, OH, Spring Works, Inc. manufactures custom springs and wire forms with over 30 years of experience. They specialize in compression, extension, torsion, and double torsion springs. Committed to quality and on-time deliveries, the company is ISO 9001:2008 certified.
Truett Worrall Company, based in Dallas, TX, specializes in the manufacturing of custom springs and wire forms. They produce a variety of precision compression, extension, and torsion springs for diverse industrial and commercial applications. The company provides tailored spring solutions to meet specific client requirements.
Universal Wire Works Inc., based in Houston, TX, is a custom metal fabrication company founded in 1957. They specialize in manufacturing various custom springs, including compression, extension, and torsion types, along with wire forms. The company also offers tube bending, sheet metal fabrication, welding, and powder coating services.
Based in Bullhead City, AZ, US Spring & Stamping Co., Inc. manufactures custom compression, torsion, extension springs, and wire forms. Since 1969, they process wire from 0.008" to 0.180" in materials like stainless steel and Inconel. Serving aerospace, defense, medical, and industrial applications, they adhere to stringent MIL-Specs and ISO standards.
Based in Holland, PA, Vogan Manufacturing specializes in custom wire forming, bending, and coiling services. The company produces precision wire forms, including a diverse range of custom springs such as compression, extension, torsion, and flat wire. They serve various industrial applications with comprehensive manufacturing capabilities.
Wermke Spring, based in Fenton, MO, specializes in the manufacturing of custom springs. They produce a variety of types including compression springs, torsion springs, and extension springs, alongside wire forms and spring clips. Their expertise covers diverse needs for industrial applications.
Wire-Tech Manufacturing Corporation specializes in custom wire forms and springs, serving diverse industrial applications. Based in San Antonio, TX, the company offers a comprehensive range of products including compression, extension, and torsion springs, alongside CNC wire forming capabilities. They provide precision manufacturing solutions tailored to client specifications.
Yost Superior Co., based in Springfield, OH, manufactures precision custom mechanical springs for diverse industrial applications. Specializing in compression, extension, and torsion springs, they also produce custom wire forms and stampings. With over 100 years of experience, the company handles large-scale production or single orders.
Lesjöfors AB manufactures a comprehensive range of springs and pressings, including coil, wire forms, gas, heavy, flat, and suspension springs. The company provides prototyping and production services for diverse sectors such as automotive, medical, defense, and energy industries. They maintain a US manufacturing presence.
Advanex, located in Cypress, CA, is a precision engineering and manufacturing company specializing in custom springs and coils. They produce diverse spring types, including compression, extension, torsion, and flat springs, precisely to customer specifications. The company serves various industrial sectors with their specialized component production.
Based in Solon, OH, American Ring specializes in manufacturing Belleville Disc Springs, engineered for compact design and high-force output applications. The company also produces a wide range of retaining rings, including tapered, constant section, spiral wound, radially installed, and push-on types for industrial clients.
Based in Grand Rapids, MI, APEX Spring & Stamping Corporation is a manufacturer of springs, stampings, wire forms, and metal strip forming components. The company provides comprehensive services including design, engineering, prototyping, and assembly for global customers. Founded in 1977, Apex operates from multiple locations.
Based in Santa Fe Springs, CA, Aranki Spring specializes in the manufacturing of various spring types. The company produces custom torsion springs, compression springs, and extension springs for diverse project requirements. They invite inquiries and offer free quotes for specialized spring solutions.
Based in Maumee, OH, ASRaymond is a leading manufacturer of diverse spring products. The company offers an extensive catalog including SPEC® Belleville Spring Washers and Adjustable Locking Gas Springs. ASRaymond provides both ready-to-ship items and custom spring manufacturing solutions to meet various industrial demands.
Belleville International, based in Butler, PA, manufactures Belleville disc springs, washers, and custom springs for diverse applications. They offer stock and custom production with engineering design assistance, plus 24/7 emergency support. Specializing in expedited turnaround for standard and exotic materials, the company is ISO 9001:2015 certified.
Based in Fresno, CA, Betts Company directly manufactures custom spring components through its Betts Spring Manufacturing division. They produce precision coil, torsion, and extension springs, wire forms, and leaf spring suspension systems. Serving diverse industrial applications, Betts Company provides engineered spring solutions.
Based in Fresno, CA, Betts Spring Manufacturing specializes in custom cold and hot wound coil, leaf, torsion, compression, and extension springs. This family-owned company, founded in 1868, also manufactures sway bars, serving trucking, agriculture, and automotive aftermarket.
Based in Houston, TX, Coiling Technologies Inc specializes in custom spring manufacturing. They provide advanced spring prototyping services to validate designs, optimize performance, and reduce costs for industrial clients, ensuring optimal solutions before full-scale production.
Based in Farmington, CT, Connecticut Spring & Stamping manufactures precision custom springs and metal shaped solutions. With 87 years of experience, they provide progressive stampings, fineblanked stampings, and machined components. The company serves OEMs in medical, aerospace, defense, transportation, and consumer product industries with comprehensive solutions.
Diamond Wire Spring Company custom designs and manufactures a variety of springs, including compression, extension, torsion, and die springs. They also produce wire forms, providing custom solutions for industrial and commercial clients.
E-Z Spring and Stamping is a family-owned company with over 30 years of experience, specializing in producing high-quality springs, wire forms, and metal parts. They also provide precise laser cutting and bending services. They focus on delivering reliable, precise products and exceptional customer service.
Exacto Spring Corporation, based in Grafton, WI, is a B2B manufacturer with over 65 years of experience. They specialize in custom compression, torsion, and extension springs, wire forms, and medical device components. Serving medical, automotive, industrial, and appliance industries, they produce precision springs from .001” to .156” wire diameter.
General Wire Spring Company manufactures custom compression, extension, and torsion springs, plus wire forms. They provide in-house machining, painting, assembly, and engineering analysis. Specializing in heavy-duty spring designs, the company offers rapid quotes, quick deliveries, and recommendations to optimize cost and performance for customers.
Based in Minneapolis, MN, IDC Spring is an industrial spring manufacturer specializing in custom spring solutions. They produce high-quality springs and related components for various industries. The company focuses on delivering robust, custom-engineered springs to meet specific client needs across diverse industrial applications.
Based in Gilroy, CA, Peninsula Spring Corporation specializes in designing and manufacturing precision springs and wire forms. They produce compression, extension, and torsion springs, alongside custom CNC wire forming and secondary operations. Serving diverse industrial sectors like medical, aerospace, and automotive, the company provides high-quality spring solutions.
Rev-Co Spring Mfr Corporation, based in Santa Fe Springs, CA, is a dedicated manufacturer of various custom springs. The company provides direct manufacturing services for industrial and commercial clients, offering expertise in diverse spring types and production techniques to meet specific application requirements.
Solon Manufacturing Co., based in Chardon, OH, designs and manufactures customizable Belleville springs and washers. These components produce high loads in small spaces, preventing bolt tension loss in critical bolting applications. They offer extensive imperial and metric sizes, serving distributors and OEMs with high-volume and customized orders.
Based in Navasota, TX, Spring Products International manufactures custom spring products from specialty alloy metals. Their ISO Compliant facility prioritizes quality management and design assistance to meet specific customer needs. The company specializes in producing unique spring solutions that others often cannot or will not.
Based in Wilder, KY, Springs Fast specializes in manufacturing custom small springs. They work directly from customer samples, ensuring accurate measurements and specifications. Their capabilities include producing springs with an outside diameter as small as .088″ and fine wire, serving industrial clients needing specialized miniature components.
Based in Springfield, OH, Stalder Spring Works Inc. manufactures heavy-duty and custom metal springs. With nearly 75 years of experience, they specialize in compression, extension, and torsion springs, alongside wire forming from 0.020 to 0.3125 inches. The company also offers product housing design review, prototyping, and failure analysis.
Based in Alvarado, TX, Texas Pocket Springs specializes in the manufacturing of advanced pocket coil springs. They offer innovative solutions like QuadCoil and glueless coil systems, providing customized spring options to meet specific client needs for mattresses and other upholstered products.
Valley Spring Works, based in Dixon, CA, is a custom manufacturer specializing in springs, wire forms, and stampings. They produce compression, extension, torsion, and flat springs, serving diverse industries such as automotive, medical, aerospace, electronics, agriculture, and defense.
Orlando Spring, based in Huntington Beach, CA, specializes in the manufacturing of custom springs for industrial and commercial applications. They produce a wide variety of spring types, including compression, extension, torsion, and wire forms, using diverse materials to deliver precision-engineered solutions for numerous industries.
Rowley Spring and Stamping Corp., based in Bristol, CT, is a custom spring manufacturer. They offer high and low volume production of compression, extension, torsion, and double torsion springs in various sizes and materials. The company also provides metal stampings, wire forms, and custom tool design and fabrication.
Western Spring Manufacturing, based in Hugo, MN, provides custom spring and wire form manufacturing. They produce precision coil springs like compression, extension, torsion, flat, die, canted coil, and medical coils. The ISO 9001:2015 certified company offers design assistance, same-day quotes, and expedited orders.
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How to Choose a Company
- Verify their capability to produce your specific spring type, confirming they possess the correct CNC coiling machines for your wire diameter range and material grade, particularly for intricate geometries like custom torsion spring arms or unique extension spring hooks.
- For applications requiring high reliability or specific industry compliance (e.g., automotive, aerospace, medical), insist on suppliers holding IATF 16949 or AS9100 certifications and demonstrating robust PPAP or FAI (First Article Inspection) procedures.
- Assess their post-processing capabilities: Can they perform essential treatments like stress relieving, set removal, or shot peening in-house? Outsourcing these critical steps can introduce delays, quality inconsistencies, and lack of accountability, which is a common red flag.
- Evaluate their engineering support for Design for Manufacturability (DFM) specifically for springs. A strong supplier will challenge your design to optimize for coil geometry, material utilization, and ease of production, preventing costly redesigns post-tooling.
- Always request clear evidence of their quality control processes, including in-process checks for free length, solid height, and spring rate, as well as destructive testing capabilities like fatigue testing or load deflection analysis for critical applications.
Frequently Asked Questions
What specific material properties are critical for selecting a spring wire, beyond just tensile strength?
Beyond tensile strength, you must consider the material's modulus of elasticity, fatigue limit, and operating temperature range. For corrosive environments, specific stainless grades or specialty alloys like Hastelloy are crucial, while for high cycle applications, music wire or chrome silicon often excel due to their superior fatigue resistance after proper heat treatment and stress relieving.
How do I ensure consistent performance across a large batch of custom compression springs?
Consistent performance hinges on several factors: precise control of wire diameter, uniform coiling parameters, and, critically, proper set removal (scragging) and stress relieving. Request statistical process control (SPC) data for key characteristics like free length and spring rate, and inquire about their lot traceability and First Article Inspection (FAI) procedures to verify batch consistency.
What's the difference between a mechanical coiler and a CNC coiler for spring manufacturing, and why does it matter?
Mechanical coilers are generally faster for very high-volume, simpler spring geometries but require significant tooling setup and are less flexible for design changes. CNC coilers offer unparalleled precision, faster changeovers, and the ability to produce complex geometries, multiple spring types, and integrate features like variable pitch or shaped ends in a single operation, making them ideal for prototypes, shorter runs, or intricate designs where precision is paramount.
What is the biggest hidden cost or common mistake when buying custom springs?
The biggest hidden cost often comes from underestimating the importance of spring design for manufacturability (DFM). Incorrectly specified tolerances, unachievable spring rates, or designs that require excessive secondary operations (e.g., grinding or special end-forming) can lead to significant tooling costs, increased piece price, and lengthy lead times due to multiple design iterations or production challenges. Engaging with your spring manufacturer's engineering team early in the design process is crucial to avoid these pitfalls.