Extension Spring Into Action with Durable Trampoline Springs

• Customization: Available
• Function: Phonation, Drive, Restoration, Measurement
• Material: Steel
• Model NO.: tension spring
• Usage: Industrial, Auto, Motorcycle, Home Appliance
• Load Type: Extension
• Production Process: Cold Roll
• Shape: Conical
• OEM ODM: Workable
• Certification: Work Via The 3rd Party
• Transport Package: Carton
• Specification: 100 x110x120
• Trademark: Bosswinn
• Origin: China
• HS Code: 7320209000
• Production Capacity: 100000 PCS
• Package Size: 40.00cm * 20.00cm * 15.00cm
• Package Gross Weight: 10.000kg
• Lead Time: 21 days (1 - 10000 Pieces) ; To be negotiated ( > 10000 Pieces)

Product Description

Product Description

 Spring Into Action with Durable Trampoline Springs!

Is your trampoline losing its bounce? Don't let worn-out springs ruin the fun! Upgrade to ultra-durable trampoline springs designed for maximum performance, safety, and longevity. Whether you're a backyard jumper, fitness enthusiast, or a parent looking for worry-free play, our heavy-duty springs deliver a smoother, higher, and more responsive bounce-every time!

 Built to last - Rust-resistant & commercial-grade
 Enhanced safety - Reliable tension for secure landings
 Easy replacement - Get your trampoline jumping like new!

Don't settle for weak springs-boost your bounce today! 

Key Features

Heavy-Duty Construction - Made from high-tensile steel for superior strength and durability.
Rust-Resistant Coating - Galvanized or powder-coated to withstand weather and extend lifespan.
Optimized Bounce Performance - Engineered for smooth, powerful rebounds with every jump.
Safety Reinforced - Prevents overstretching and snapping for secure, worry-free play.
Universal Fit - Compatible with most trampoline brands and sizes (list specifics if needed).
Long-Lasting Elasticity - Maintains tension longer than standard springs for consistent bounce.
Easy to Install - No tools required for quick replacement (if applicable).
Commercial-Grade Quality - Trusted by backyard users, gyms, and trampoline parks.

Bonus Selling Points

Eco-Friendly Option - Recyclable materials (if applicable).
Cost-Effective - Save money compared to buying a whole new trampoline.
Backed by Warranty - Confidence in quality (mention if available).

Ideal for Families, fitness enthusiasts, gymnasts, and trampoline maintenance professionals

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     Main Parameters of Bosswinn Tension Springs
     
      

   • Wire Diameter (d):

     • Range: 0.15 mm - 12.0 mm

     • Determines the spring's load-bearing strength and elasticity.

   • Outer Diameter (OD):

     • Range: 1.5 mm - 100 mm+

     • Influences the spring's fit and mounting space.

   • Free Length (L0):

     • Customizable based on application, typically 10 mm - 1000 mm+

     • The spring's length when not under tension.

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     These parameters are tailored according to customer application-Bosswinn engineers assist with optimizing size, material, and tension for performance and durability

   • Total Number of Coils (Nt):

     • Dictates the spring's flexibility and travel distance.

     • Precision coiling ensures uniform force across extension.

   • Initial Tension (F0):

     • Preloaded tension built into the spring-critical for applications requiring no slack.

     • Adjusted based on design needs.

   • Maximum Extended Length (Lmax):

     • Calculated to avoid permanent deformation.

     • Common range: up to 1.5-2.0x free length depending on material and design.

   • Spring Rate (k):

     • Expressed in N/mm or lbf/in

     • Indicates how much force is needed to extend the spring by 1 mm or inch.

     • Precision-controlled per customer specifications.

   • Load at Specific Extension (Fx):

     • Custom-specified based on desired pull force at defined extension lengths.

   • Material Type:

     • Options include:

       • Music wire (ASTM A228)

       • Stainless steel (302, 304, 316)

       • Oil-tempered wire

       • Phosphor bronze, Inconel, or galvanized steel

     • Chosen based on environmental and mechanical demands.

   • Hook/Loop Type:

     • Machine loop, cross-over center, side loop, extended hook, or custom end forms.

     • Affects installation and stress distribution.
       
       
       More photos

 

 

Our production

 

 

Our quality control

 

Packaging & Shipping

 

Tension springs usages

Extension springs are in our daily life everywhere, small electronics, house appliances, from being in our cars  , to the farm machinery that produces our food. 

1. Tampolines. The trampoline has hundreds of hook end extension springs forming the trampoline base to the metal frame. 

2. Vehicles , vehicles use heavy duty extension springs because of the amount of power and strength they require to pull. 

3. Small electronics, like toys.

Extension springs make the electronics to function as  designed.

4. House appliances , like washing machines

Springs are likewise used in washing machines to suspend the drum in position. 

5. Furnitures, doors, windows etc

 extension springs to help the house doors or furnitures close back over once they have been opened. 

7. Exercising facilities

The most common exercise equipment that use extension springs like  the Chest Expander, and other strenght training facilik

 

FAQ

1. What makes your trampoline springs more durable than standard springs?

Our springs are crafted from high-tensile steel with a rust-resistant coating (galvanized or powder-coated) to withstand harsh weather and heavy use. They're engineered for long-lasting elasticity, ensuring a consistent bounce without sagging or snapping prematurely.

 

2. Are these springs compatible with my trampoline?

Yes! Our springs are designed as a universal fit for most trampoline brands and sizes (e.g., 8ft, 12ft, 14ft round trampolines). For specific compatibility, check the product description or contact us with your trampoline model.

 

3. How many springs do I need to replace?

We recommend replacing all springs at once for even bounce performance and safety. However, you can purchase individual springs if only a few are damaged.

 

4. Are these springs safe for kids and heavy adults?

Absolutely. Our springs are reinforced for safety, with controlled tension to prevent overstretching or sudden breaks. They're tested for both recreational and commercial use.

 

5. How do I install the new springs?

Installation is simple:

1. Remove old springs using a spring tool or hook.

2. Attach new springs by hooking them to the trampoline frame and mat.

3. Evenly distribute tension by replacing springs in a star pattern.
   (Detailed instructions included with purchase.)

 

6. Will these springs improve my trampoline's bounce?

Yes! Worn-out springs lose elasticity, reducing bounce height. Our springs restore optimal rebound power for a smoother, higher jump.

 

7. How long do these springs last?

With proper care, our springs last 2-5 years (depending on usage and climate). Regular maintenance (e.g., cleaning debris, checking for rust) extends their lifespan.

 

8. Do you offer a warranty?

Yes! Our springs come with a [X]-year warranty against manufacturing defects. Contact us for replacements if issues arise.

 

9. Can I use these for a commercial trampoline park or gym?

Yes! Our commercial-grade springs are ideal for high-traffic use in gyms, parks, and fitness centers. Bulk discounts are available.

 

10. How do I maintain trampoline springs?

• Clean regularly: Remove dirt/debris.

• Check for rust: Replace if coating wears off.

• Avoid overloading: Follow trampoline weight limits.