Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering

Product Details
Customization: Available
Function: Pressed
Material: Steel
Still deciding? Get samples of US$ 0/Piece
Order Sample
Shipping & Policy
Shipping Cost: Contact the supplier about freight and estimated delivery time.
Payment Methods:
visa mastercard discover JCB diners club american express T/T
PIX SPEI OXXO PSE OZOW
  Support payments in USD
Secure payments: Every payment you make on Made-in-China.com is protected by the platform.
Refund policy: Claim a refund if your order doesn't ship, is missing, or arrives with product issues.
Secured Trading Service
Diamond Member Since 2021

Suppliers with verified business licenses

Audited Supplier

Audited by an independent third-party inspection agency

Customization from Samples
The supplier provides sample based customization services
Quality Assurance
The supplier provides quality assurance
QA/QC Inspectors
The supplier has 3 QA and QC inspection staff
Production Process Visualization
You can check the supplier's production workflow chart or main facilities in the Audit Report
to see all verified strength labels (17)
  • Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
  • Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
  • Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
  • Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
  • Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
  • Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Find Similar Products
  • Overview
  • Product Description
  • Our production
  • Our quality control
  • Packaging & Shipping
  • The applications
  • FAQ
  • Company Profile
Overview

Basic Info.

Model NO.
compression spring
Usage
Industrial, Auto, Furniture, Motorcycle
Load Type
Compression
Production Process
Cold Roll
Shape
Cylinder
Transport Package
Carton Pallet
Specification
100 x110x120
Trademark
Bosswinn
Origin
China
HS Code
7320209000
Production Capacity
2000000

Packaging & Delivery

Package Size
30.00cm * 20.00cm * 30.00cm
Package Gross Weight
2.000kg

Product Description

Product Description
A compression spring is a mechanical device widely used in various industries and applications. It is designed to resist compressive forces and store potential energy when subjected to external pressure. The following are the detailed introduction:
 

Structure and Working Principle

 
  • Structure: A compression spring typically consists of a helical coil of wire. The wire is wound in a specific pattern to form a cylindrical or conical shape. The coils are evenly spaced along the length of the spring, and the ends of the spring can be designed in different ways, such as being flat, rounded, or having special attachments for easy installation and connection.
  • Working Principle: When a compressive force is applied to the spring, the coils are pushed closer together, causing the spring to deform and shorten in length. As the spring compresses, it stores potential energy within its structure. When the applied force is removed, the spring releases the stored energy and returns to its original length, exerting a restoring force in the opposite direction of the applied force.
 

Materials and Manufacturing

 
  • Materials: Compression springs are usually made of high-quality spring steel, which offers excellent elasticity and strength. Other materials like stainless steel, copper alloys, and titanium alloys may be used in specific applications where corrosion resistance, high conductivity, or lightweight properties are required.
  • Manufacturing Process: The manufacturing of compression springs involves several steps. First, the wire is cut to the appropriate length. Then, it is wound around a mandrel using specialized machinery to form the helical shape. After winding, the spring may undergo heat treatment to improve its mechanical properties, such as increasing its hardness and toughness. Finally, the spring is finished by processes like grinding the ends to ensure flatness and accuracy, and may also be coated or plated to protect it from corrosion.




Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering



Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering


 
Compression Spring Aspect Description
Definition A helical - shaped mechanical component designed to resist and store energy when a compressive force is applied.
Function Absorbs shocks, provides support, and regulates force in mechanical systems.
Structure Consists of a helical coil of wire. The wire diameter, coil diameter, number of coils, and end - configurations (e.g., plain, plain - ground, squared, squared - ground) are important structural features.
Materials - Spring Steel: High - carbon steel alloys like music wire (for small - precision springs), 1065 - 1095 steel. Offers high strength and good elastic properties.
- Stainless Steel: e.g., 302, 304, 316. Used when corrosion resistance is crucial, such as in food - processing or marine applications.
- Copper Alloys: Phosphor bronze, beryllium copper. Provide good electrical conductivity and are suitable for non - magnetic applications.
Load - Deflection Relationship Described by Hooke's Law (for the linear elastic region): , where  is the applied force,  is the spring constant, and  is the deflection. The spring constant , where  is the shear modulus of the material,  is the wire diameter,  is the number of active coils, and  is the mean coil diameter.
Endurance Limit The maximum stress that a spring can withstand for an infinite number of load cycles without fatigue failure. It depends on the material, surface finish, and stress concentration factors.
Manufacturing Process - Wire Selection: Choosing the appropriate wire based on material and diameter requirements.
- Coiling: Winding the wire around a mandrel to form the helical shape, either by cold - coiling (for small - diameter wires) or hot - coiling (for large - diameter wires).
- Heat Treatment: Improving mechanical properties, such as tempering to relieve internal stresses.
- End - Finishing: Grinding the ends to ensure flatness and proper seating.
- Quality Control: Inspection for dimensional accuracy, load - deflection characteristics, and surface quality.
Applications - Automotive: Suspension systems, valve springs.
- Mechanical Machinery: Shock absorbers, clutches, brakes.
- Electronics: Connectors, switches.
- Medical: Surgical instruments, orthopedic devices.

 

 
Our production

 

Compression springs production management involves several key points to ensure quality, efficiency, and cost-effectiveness. Here are the main aspects to focus on:

1. Material Selection

  • Choose the right material (e.g., stainless steel, carbon steel, alloy steel) based on the application.
  • Ensure material quality through supplier verification and testing.
  • Monitor material properties like tensile strength, corrosion resistance, and elasticity.

2. Design & Engineering

  • Follow standard specifications (e.g., ISO 10243, DIN 2098) or customer requirements.
  • Optimize spring dimensions (wire diameter, coil diameter, pitch, free length, etc.).
  • Perform stress analysis and fatigue testing to ensure durability.

3. Production Process Control

  • Coiling: Use CNC coiling machines for precision and consistency.
  • Heat Treatment: Apply proper hardening and tempering processes to improve mechanical properties.
  • Surface Treatment: Consider options like shot peening, electroplating, or powder coating to enhance durability and corrosion resistance.
  • Grinding (if needed): Ensure flat and stable spring ends for proper load distribution.

4. Quality Control & Inspection

  • Conduct dimensional inspections using calipers, micrometers, and laser measurement tools.
  • Test mechanical properties like load-bearing capacity and fatigue life.
  • Perform surface defect inspections using visual and automated systems.
  • Implement Statistical Process Control (SPC) to monitor production consistency.

5. Process Optimization & Cost Control

  • Reduce material waste by optimizing coil design and cutting processes.
  • Improve production efficiency through automation and lean manufacturing techniques.
  • Standardize processes to reduce setup time and errors.

6. Packaging & Storage

  • Ensure proper packaging to prevent deformation during transportation.
  • Use anti-corrosion coatings or packaging materials if necessary.
  • Implement an efficient inventory management system to track stock levels.

7. Compliance & Safety

  • Follow industry regulations and safety standards.
  • Train workers on handling machinery and safety precautions.
  • Maintain proper documentation for traceability and customer assurance.

 

Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering

 

Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
 
Our quality control

 








Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering 
  1. **Design and Material Specifications**
   - **Material Selection**: Use appropriate alloys (e.g., music wire, stainless steel) to meet environmental and load requirements.
   - **Dimensional Accuracy**: Control wire diameter, outer/inner diameters, free length, number of coils, and solid height to ensure fit and function.
   - **Spring Rate (Stiffness)**: Verify the force-deflection ratio aligns with design specifications.
2. **Manufacturing Processes**
   - **Coiling Process**: Ensure consistency in coil formation and direction (left/right-hand).
   - **Heat Treatment/Stress Relieving**: Reduce residual stresses to enhance durability and prevent premature failure.
   - **Surface Finish & Coatings**: Apply protective treatments (e.g., plating, powder coating) for corrosion resistance and inspect for defects.

 3. **Testing and Performance Validation**
   - **Load Testing**: Confirm the spring withstands specified loads without permanent deformation.
   - **Fatigue Life Testing**: Simulate cyclic loading to assess longevity, especially for dynamic applications.
   - **Solid Height Verification**: Ensure the spring compresses fully without exceeding dimensional limits.
4. **Inspection and Tolerances**
   - **Dimensional Tolerances**: Check all critical dimensions (wire diameter, coil count, end conditions) against tight tolerances.
   - **Visual Inspections**: Identify surface defects (cracks, rust, distortion) and ensure proper end conditions (e.g., closed and ground ends).
   - **Squareness and Alignment**: Verify ends are parallel and perpendicular to the axis for proper seating.

 5. **Documentation and Compliance**
   - **Certifications**: Adhere to standards (e.g., ISO 9001, ASTM) and maintain material/test certifications.
   - **Traceability**: Use lot numbers to track production batches for recalls or audits.
   - **Statistical Process Control (SPC)**: Monitor production variability using statistical methods.

6. **Supplier and Production Management**
   - **Supplier Audits**: Ensure raw materials and processes meet quality standards.
   - **Sampling Plans**: Implement AQL to determine batch acceptance/rejection based on sample testing.
   - **Packaging & Handling**: Prevent damage during transit with proper packaging.

7. **Environmental and Specialized Testing**
   - **Environmental Resistance**: Test performance under extreme conditions (temperature, humidity) if applicable.
   - **Non-Destructive Testing (NDT)**: Use methods like ultrasonic testing to detect internal flaws.
 
Packaging & Shipping

 


Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
 
The applications
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering
Bosswinn Compression Springs The Secret to Reliable High-Quality Engineering

 


Compression springs are integral to countless industries due to their adaptability and ability to store and release energy efficiently. Key applications include:

Medical Devices: Ensuring precision and reliability in surgical instruments, implantable devices, and diagnostic equipment.

Electronics: Providing controlled force in connectors, switches, and compact components for smartphones, computers, and wearables.

Precision Instruments/Tools: Maintaining accuracy in gauges, sensors, and automation systems for critical industrial processes.

Industrial Machinery: Supporting heavy-duty operations in presses, valves, and assembly line equipment.

Mining/Drilling Equipment: Withstanding harsh environments in machinery for resource extraction and geological exploration.

Consumer Products: Enabling functionality in everyday items like retractable pens, click mechanisms, and home appliances.

Toys: Delivering safe, responsive motion in mechanical toys, spring-loaded gadgets, and educational kits.

From life-saving medical tools to everyday conveniences, compression springs offer tailored solutions that meet the exacting demands of diverse sectors.

 

 

 
FAQ

 

1.Is Bosswinn a  manufacturer ?

A: We are a manufacturer, the business owner has 2 factories producing springs, machining part, stamping parts

2. When is the delivery time?

A: 10 and 15 days , one month in the peak seasons


3. What is the MOQ?

For the initial order , any quantity ok. For the mass production order, 10000 pcs better.

4. What's your payment method?

 : T/T, L/C, Western Unions,  

e. How can we confirm the samples?

Free samples are offered,  


 
Company Profile

 

**Zhuji Bosswinn Springs Co., Ltd** is a leading manufacturer specializing in high-quality compression springs and precision-engineered spring solutions. Based in Zhuji, China-a hub renowned for its hardware and spring production expertise-the company combines advanced manufacturing technology with stringent quality control processes to deliver reliable products for diverse industries.  

With a focus on innovation and customization, Bosswinn Springs serves clients in automotive, aerospace, electronics, industrial machinery, and consumer goods. We offering  adhere to international standards (e.g., ISO 9001), ensuring durability, dimensional accuracy, and consistent performance. By prioritizing rigorous testing, material excellence, and customer-centric service, Zhuji Bosswinn Springs has built a reputation as a trusted partner for tailored spring solutions worldwide.





Our advantages
**Zhuji Bosswinn Springs Co., Ltd** leverages **19 years of expertise** in the metal spring industry to deliver unparalleled precision and reliability. As a trusted partner for global clients, our strengths include:  

- **Advanced Manufacturing Facilities**: Equipped with state-of-the-art machinery, we ensure **superior quality control** and **high-volume production capacity** to meet demanding deadlines without compromising performance.  
- **Custom Tooling & Design Flexibility**: We specialize in developing bespoke tooling and producing **tailored spring solutions** to exact buyer specifications, catering to unique applications across industries.  
- **End-to-End Expertise**: From prototyping to mass production, our technical proficiency and commitment to innovation guarantee springs that meet international standards (e.g., ISO) for durability, precision, and consistency.  

Serving sectors like automotive, aerospace, electronics, and industrial machinery, Zhuji Bosswinn Springs combines **experience, technology, and customer-centric agility** to exceed expectations and drive success.

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now
Contact Supplier