custom spring factory

China Leading Spring Manufacturer

Our Products

COMPRESSION SPRING
EXTENSION SPRING SUPPLIER
CUSTOM SPRING SUPPLIER

China Best Spring Supplier & Manufacturer

Precision Engineering

Our springs are crafted to meet exact specifications, ensuring superior performance and reliability.

Wide Range of Materials

From stainless steel to specialized alloys, we work with a variety of materials to meet your requirements.

Customization

Whether you need compression springs, torsion springs, extension springs, or wire forms, we deliver custom solutions.

Competitive Pricing

Direct factory pricing ensures you get the best value for top-tier quality.

Fast Turnaround Time

Streamlined processes allow us to deliver your orders on time, every time.

Global Shipping

We efficiently handle international logistics to deliver anywhere in the world.

Our Factory Insight

custom spring factory

Spring Material Descriptions and Key Properties

STEEL WIRE CUSTOM SPRING

Springs are the unsung heroes in many industries, providing the flexibility, strength, and precision needed for countless applications. Whether you’re designing high-performance machinery or everyday tools, selecting the right material ensures reliability, durability, and cost-effectiveness. Let’s break down the essentials to help you make an informed decision!


1. Spring Steel: The Backbone of High-Performance Springs

Spring steels are incredibly popular due to their combination of elasticity, tensile strength, and fatigue resistance. They’re ideal for applications where springs are under constant stress or load.

Carbon Spring Steel (SWC)

  • Ominaisuudet:
    SWC is crafted through quenching and tempering, making it robust yet cost-effective. It’s available in grades suited for various load capacities and is perfect for applications requiring moderate to high hardness.
  • Typical Applications:
    • Automotive Industry: Suspension systems, valve springs, and clutch components.
    • Agricultural Tools: Load-bearing machinery like plows and seeders.
    • General Machinery: Gearboxes, tensioners, and balancing mechanisms.
  • Why Choose SWC?: Affordable, durable, and easy to process—perfect for everyday industrial use!

Alloy Spring Steel (SWP)

  • Ominaisuudet:
    Alloying elements enhance fatigue resistance and elasticity, making SWP suitable for heavy-duty applications. It performs exceptionally well under extreme loads and temperatures.
  • Typical Applications:
    • Heavy Machinery: Excavators, cranes, and industrial presses.
    • Energy Sector: Springs for wind turbines or hydroelectric generators.
    • Aerospace: Components subjected to high-frequency vibrations or extreme temperature shifts.
  • Why Choose SWP?: High resilience, excellent fatigue resistance, and unmatched durability for critical applications.

2. Stainless Steel: When Corrosion Resistance Matters

If your application involves exposure to moisture, chemicals, or extreme weather, stainless steel is your go-to material. These alloys are resistant to rust and ensure long-lasting performance.

304 Stainless Steel (Cr18Ni9)

  • Ominaisuudet:
    A versatile and cost-effective option with good corrosion resistance and moderate strength.
  • Typical Applications:
    • Food Processing Equipment: Springs for slicers, mixers, and dispensers.
    • Medical Devices: Surgical instruments and diagnostic tools.
    • Construction: Springs in railings, support structures, and façade systems.
  • Why Choose 304?: Affordable, widely available, and suitable for most non-corrosive environments.

316L Stainless Steel (Cr17Ni12Mo2)

  • Ominaisuudet:
    Enhanced corrosion resistance, etenkin kloridi- tai meriympäristöissä.
  • Typical Applications:
    • Meriteollisuus: Jouset veneiden moottoreissa, luukut, ja navigointijärjestelmät.
    • Kemialliset kasvit: Venttiilin jouset ja tiivisteet syövyttävissä ympäristöissä.
    • Lääkkeet: Jouset hygieenisissä ympäristöissä, jotka vaativat suurta puhtautta.
  • Miksi valita 316L?: Premium-luokan vastus haastaviin ympäristöihin.

420 Stainless Steel

  • Ominaisuudet:
    Tarjoaa korkean kovuuden ja kulumiskestävyyden, Tekee siitä ihanteellisen tarkkuussovelluksiin.
  • Typical Applications:
    • Precision Engineering: Jouset kelloissa, mittaustyökalut, ja leikkauslaitteet.
    • Teollisuustyökalut: Jouset porauskoneissa, kiinnittimet, ja kiinnittimet.
    • Aerospace: Kriittiset komponentit, jotka vaativat tiukkoja toleransseja ja suurta lujuutta.
  • Why Choose 420?: Vertaansa vailla tarkkuus ja vahvuus erikoistuneisiin käyttötarkoituksiin.

3. Erikoismateriaalit yksilöllisiin tarpeisiin

Joskus, Hakemuksesi vaatii jotain ylimääräistä. Siellä erikoismateriaalit, kuten superseokset ja erittäin luja komposiitti.

  • Superseos (ESIM., Kattaa, Moneli): Täydellinen korkean lämpötilan sovelluksiin, kuten kaasuturbiineihin tai ydinreaktoreita.
  • Korkean lujuuden komposiitit: Ihanteellinen kevyille, mutta vankalle komponenteille auto- tai ilmailuteollisuudessa.

Tosielämän tapaustutkimukset: Oikean materiaalin valitseminen

  • Kotelo 1: Merilaitteiden valmistaja
    Asiakassuunnittelujouset syvänmeren sovelluksiin valitsi 316Ruostumaton teräs sen ylivoimaisesta vastustuskyvystä suolavesikorroosiolle. Tämä päätös kaksinkertaisti heidän tuotteidensa käyttöikä ja alensi ylläpitokustannuksia 30%.

  • Kotelo 2: Raskas koneen rakentaja
    Teollisuuspuristimien valmistaja vaihdettu SWP -seosteräs heidän jännitysjousistaan. Tulos? Jouset kestävät 20% korkeammat kuormat ja kesti 50% pidempi jatkuvan toiminnan alla.

  • Kotelo 3: Elintarvikkeiden jalostuksen käynnistys
    Ruokaviipaleiden jousille, 304 ruostumaton teräs oli täydellinen valinta sen kohtuuhintaisuudesta ja elintarviketurvallisuusstandardien noudattamisesta. Käynnistys tallennettiin 15% kustannuksista samalla kun varmistetaan hygieninen suorituskyky.


Avaintekijät harkittavat tekijöitä

  1. Kuormitusvaatimukset: Valitse korkean vetovoiman materiaalit raskaisiin kuormituksiin tai syklisiin rasituksiin.
  2. Ympäristöolosuhteet: Ruostumaton teräs on välttämätön syövyttäville tai kosteille ympäristöille.
  3. Budjetti: Hiiliteräkset ovat taloudellisia, ruostumattomat teräkset tarjoavat pitkäaikaista arvoa haastavissa olosuhteissa.
  4. Vaatimustenmukaisuustarpeet: Varmista, että materiaalit täyttävät teollisuusstandardit (ESIM., FDA, ASTM, tai ISO).

Erilaisten teräsluokkien kemiallinen koostumus, jota käytetään kevään valmistuksessa

Sarja nro.TeräsluokkaC (%)Ja (%)Mn (%)Cr (%)MO (%)V (%)B - (%)Sisä- (%)Cu (%)P (%)S (%)
1650.62–0.700.17–0.370.50–0.80≤ 0.25---0.250.25≤ 0.035≤ 0.035
2700.62–0.750.17–0.370.50–0.80≤ 0.25---0.250.25≤ 0.035≤ 0.035
3850.72–0.850.17–0.370.50–0.80≤ 0.25---0.250.25≤ 0.035≤ 0.035
465Mn0.62–0.700.17–0.370.90–1.20≤ 0.25---0.250.25≤ 0.035≤ 0.035
555SI2MN0.52–0.601.50–2.000.60–0.90≤ 0.35---0.350.35≤ 0.035≤ 0.035
655To2mnb0.52–0.601.50–2.000.60–0.90≤ 0.35--0.0005–0.0040.350.35≤ 0.035≤ 0.035
755Si2mn jne.0.52–0.600.70–1.001.00–1.30≤ 0.35-0.08–0.160.0005–0.00350.350.35≤ 0.035≤ 0.035
860SI2MN0.56–0.641.50–2.000.60–0.90≤ 0.35---0.350.35≤ 0.035≤ 0.035
960Si2MNA0.56–0.641.60–2.000.60–0.90≤ 0.35---0.350.35≤ 0.035≤ 0.030
1060SI2CRA0.56–0.641.40–1.800.40–0.700.70–1.00---0.250.25≤ 0.035≤ 0.030
1155Mato0.56–0.641.40–1.800.40–0.700.90–1.20-0.10–0.20-0.250.25≤ 0.035≤ 0.035
1260Crmna0.56–0.640.17–0.370.70–1.000.70–1.00---0.250.35≤ 0.035≤ 0.035
1350Mato0.46–0.540.17–0.370.50–0.800.80–1.10-0.10–0.20-0.250.25≤ 0.035≤ 0.035
1430CVV2A0.26–0.340.17–0.37≤ 0.402.00–2.50-0.50–0.804.4–5.00.350.35≤ 0.035≤ 0.035

Heat Treatment Process of Springs

Spring heat treatment is essential for optimizing mechanical properties, ensuring durability, and enhancing fatigue resistance. Various strengthening techniques, such as quenching, tempering, and surface treatments, are applied based on material type and application requirements.

The heat treatment process for springs can be categorized into three types:

  1. Quenching and Tempering: Applied to high-carbon steel and alloy springs to improve hardness and elasticity.
  2. Cold Work Strengthening: Used for materials like stainless steel wires and strips that undergo work hardening instead of traditional quenching.
  3. Aging Treatment: Applied to certain heat-treated alloy materials for additional stabilization.

The quenching process ensures uniform martensitic transformation, followed by tempering to relieve stress and enhance toughness. Techniques such as isothermal tempering further improve plasticity and toughness, ensuring the spring maintains dimensional accuracy and mechanical stability.


Table: Summary of Spring Heat Treatment Methods

Process TypeDescriptionMaterials UsedKey Effects
Quenching & TemperingHeating above Ac3, holding, then rapid cooling and tempering.High-carbon steel, alloy steelIncreases strength, hardness, and elasticity.
Cold Work StrengtheningUses mechanical deformation instead of heat treatment.Stainless steel wire, cold-rolled steel stripsEnhances work-hardening properties.
Aging TreatmentAdditional heat stabilization after initial processing.Certain alloy materialsImproves stability and strength.
Isothermal QuenchingMaintains temperature above Ms, cools in molten salt.High-carbon steel, alloy springsEnhances toughness and plasticity.
Controlled TemperingGradual cooling to prevent deformation.Precision springs, mechanical componentsVähentää sisäistä stressiä ja varmistaa tarkkuuden.

Tämä jäsennelty lähestymistapa varmistaa, että jokainen lämpökäsittelymenetelmä on yhdenmukaistettu tietyille materiaalien ominaisuuksille ja sovellusvaatimuksille optimoidulle suorituskyvylle.

Jousien lämpökäsittely:

Lämpökäsittelymenetelmät jousille

MenetelmäProsessin kuvausTärkeimmät edutYleiset sovellukset
Tavanomainen lämpökäsittelyLämmitys ja jäähdytysteräs mekaanisten ominaisuuksien säätämiseksiIncreases strength, joustavuus, ja kestävyysKeskipitkästä ja hiilihiilinen teräsjouset
Pinnan kovettuminenHiihtäminen, nitroiva, tai ulkokerroksen induktion kovettuminenParantaa kulumiskestävyyttä pitäen samalla sitkeyttäAuto- ja teollisuusjouset
Ikääntyminen & TemperingLämpökäsittely sisäisten rasitusten lievittämiseksi ja mikrorakenteen parantamiseksiParantaa vakautta ja mekaanista konsistenssiaTarkkuus- ja korkean kuormitusjouset

Isothermal Quenching Standards for Common Spring Steels

TeräsluokkaAustenitizing Temperature (°C)Isothermal Quenching Temperature (°C)Cooling Time (min)Hardness (HRC)
65820 ± 10320 34015 2046 48
60Si2MNA870 ± 1026020 2550 52
50Mato850 ± 1030020 2555 57

Comparison of Isothermal Quenching vs. Conventional Quenching

Steel TypeHeat Treatment ProcessHardness (HRC)Tensile Strength (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J/cm²)
50MatoConventional Quenching + Tempering48175015001044
60Si2MNAIsothermal Quenching + Tempering47190017501146
65Si2MnWAIsothermal Quenching + Tempering5021001980943

This table format provides a clear and organized comparison of different heat treatment techniques for springs.

What Our Customer Say?

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Xiamen Linspring was able to manufacture my custom order to specifications and was helpful and communicatie along the way.The quality of the delivered product was good.

Kristy Brooks
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This was my second order with Linspring. The seller is great to communicate with and the spring were perfect,just like the first order. Thank you for your prompt,courteous.

Jason Mark
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Very happy with our custom springs. On time and shipping was fast

Barbara Simonds

Custom Spring Process

Custom spring from China process
Custom spring from China process
Custom springs from China process

How to Custom Spring From China Manufacturer Linsping ?

custom spring from China factory

The Ultimate Guide to Custom Springs

Springs are essential components in countless industries, from automotive and aerospace to medical devices and household appliances. Custom springs, in particular, offer tailored solutions to meet specific requirements for performance, size, material, and application. Designing a custom spring requires careful consideration of numerous factors, from functionality to environmental conditions.


Types of Custom Springs

  1. Compression Springs

    • Designed to compress under load and return to their original shape when the load is removed.
    • Used in automotive suspension systems, valves, and electronics.
  2. Tension Springs

    • Work by extending under load and returning to their original length when the load is removed.
    • Commonly used in garage doors, trampolines, and industrial machinery.
  3. Torsion Springs

    • Operate by twisting around an axis to exert torque.
    • Ideal for hinges, mousetraps, and automotive tailgates.
  4. Flat Springs

    • Thin, flat components that flex under load.
    • Found in clips, battery contacts, and seals.
  5. Specialty Springs

    • Custom-shaped springs for unique applications.
    • Examples include conical springs, hourglass springs, and dual-action springs.

Materials for Custom Springs

Choosing the right material is critical for the performance and durability of a custom spring. Some common materials include:

  1. Carbon Steel

    • Affordable and versatile.
    • Suitable for general applications.
    • Not ideal for environments with high corrosion or extreme temperatures.
  2. Stainless Steel

    • Corrosion-resistant and durable.
    • Suitable for outdoor or marine applications.
    • More expensive than carbon steel.
  3. Alloy Steel

    • High strength and excellent fatigue resistance.
    • Often used in heavy-duty industrial applications.
  4. Phosphor Bronze and Beryllium Copper

    • Excellent electrical conductivity and corrosion resistance.
    • Commonly used in electrical and marine applications.
  5. Titanium

    • Lightweight and corrosion-resistant.
    • Ideal for aerospace and medical applications.
  6. Inconel and Other Superalloys

    • Designed for extreme heat and corrosive environments.
    • Commonly used in turbines and chemical processing.

Design Considerations for Custom Springs

When designing a custom spring, there are several factors to consider:

  1. Spring Type: Choose the appropriate spring type (compression, tension, etc.) based on the application.

  2. Kuormitusvaatimukset:

    • Määritä suurimman ja vähimmäiskuorman, jonka jousen on käsiteltävä.
    • Harkitse halutun suorituskyvyn saavuttamiseksi tarvittavaa taipumaa.
  3. Kevään mitat:

    • Ulompi halkaisija, sisähalkaisija, langan halkaisija, ja ilmainen pituus.
    • Avaruusrajoitukset sovelluksessa.
  4. Materiaalivalinta: Valitse materiaali, joka vastaa sovelluksen ympäristöä, strength, ja kestävyysvaatimukset.

  5. Stressi ja väsymys:

    • Arvioi toimintajännitys varmistaaksesi, että jousi kestää toistuvaa käyttöä.
    • Väsymiskestävyyden suunnittelu, jos jousi käy läpi syklisen kuormituksen.
  6. Toimintaympäristö:

    • Harkitse sellaisia ​​tekijöitä, kosteus, ja altistuminen kemikaaleille.
    • Käytä pinnoitteita tai viimeistelyjä tarvittaessa suojausta varten.
  7. Päätytyyppi:

    • Puristusjouset: Suljettu tai avoin pää.
    • Jännitysjouset: Silmukot tai koukut.
  8. Valmistusrajoitukset:

    • Work with a manufacturer to ensure the design can be produced cost-effectively.

Steps to Customizing a Spring

  1. Define Your Requirements:

    • Clearly outline the spring’s purpose, load, and dimensions.
    • Specify environmental factors like temperature and exposure to corrosive substances.
  2. Choose a Material:

    • Select the material based on the required strength, flexibility, and environmental resistance.
  3. Work with LINSPRING:

    • Share your specifications, including CAD drawings or detailed diagrams if available.
  4. Prototype Development:

    • Request a prototype to test the design.
    • Make adjustments based on real-world performance.
  5. Final Production:

    • Approve the final design for production.

Tips for Working with a Custom Spring Manufacturer

  1. Provide Clear Specifications:

    • Include detailed measurements, load requirements, and material preferences.
  2. Request Samples:

    • Test prototypes before committing to large-scale production.
  3. Discuss Compliance:

    • Ensure the springs meet industry standards like ISO, ASTM, or DIN specifications.
  4. Leverage Expertise:

    • Take advantage of the manufacturer’s experience to optimize the design.
  5. Plan for Scalability:

    • Ensure the design can be mass-produced if needed.

Custom springs are a game-changer for applications that demand precision, performance, and reliability. By carefully considering factors like material, design, and operating environment, you can create a spring that perfectly suits your needs. Partnering with a trusted manufacturer LIKE LINSPRING ensures a seamless process from design to production, helping you achieve optimal results.

Ready To Custom Right Spring?

custom compression springs
compression spring factory

Still unsure which material fits your needs? Let’s discuss your specific application. Whether it’s automotive, aerospace, or precision engineering, we can help you select the perfect material tailored to your requirements.

Would you like a tailored recommendation or a deeper dive into one of the materials? Let’s make your project a success!

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