Shenzhen TingFeng Hardware Products Co.,Ltd
| Payment Terms | ,T/T |
| Supply Ability | 10000000pieces/per month |
| Delivery Time | 3days/Start |
| Packaging Details | Carton packaging 18*15*12cm (packaging can be customized according to customer product requirements) |
| Product | Custom Extension Spring |
| Material Library | GB Music Wire / DIN Stainless Steel / ASTM Alloy Steel / JIS Wire |
| Wire Diameter Segment | Extra-Fine (<0.4mm) / Fine (0.4-1.2mm) / Regular (1.2-3.0mm) / Medium (3.0-6.0mm) |
| Hook Design | Standard Hook / Extended Hook / Offset Hook / Hook with Threaded Stud |
| Performance Requirement | Relaxation Resistance / Fatigue Resistance / High Elasticity / Corrosion Resistance |
| Post-Processing | Stress Relief Annealing / Shot Blasting / Plating / Oiled & Packed |
| Key Service Industries | Automotive Manufacturing / Medical Technology / Energy & Power / Smart Home |
| Project Support | DFM Analysis / Sample Testing / Pilot Run / Volume Supply |
| Brand Name | TF |
| Model Number | TF-003 |
| Certification | lSO9001 |
| Place of Origin | Shenzhen, China |
View Detail Information
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Product Specification
| Payment Terms | ,T/T | Supply Ability | 10000000pieces/per month |
| Delivery Time | 3days/Start | Packaging Details | Carton packaging 18*15*12cm (packaging can be customized according to customer product requirements) |
| Product | Custom Extension Spring | Material Library | GB Music Wire / DIN Stainless Steel / ASTM Alloy Steel / JIS Wire |
| Wire Diameter Segment | Extra-Fine (<0.4mm) / Fine (0.4-1.2mm) / Regular (1.2-3.0mm) / Medium (3.0-6.0mm) | Hook Design | Standard Hook / Extended Hook / Offset Hook / Hook with Threaded Stud |
| Performance Requirement | Relaxation Resistance / Fatigue Resistance / High Elasticity / Corrosion Resistance | Post-Processing | Stress Relief Annealing / Shot Blasting / Plating / Oiled & Packed |
| Key Service Industries | Automotive Manufacturing / Medical Technology / Energy & Power / Smart Home | Project Support | DFM Analysis / Sample Testing / Pilot Run / Volume Supply |
| Brand Name | TF | Model Number | TF-003 |
| Certification | lSO9001 | Place of Origin | Shenzhen, China |
| High Light | Rapid Prototype custom tension spring ，Low Volume custom tension spring ，Low Volume Precision Extension Springs | ||
Rapid Prototype Extension Spring Service for Low-Volume, Multi-Specification Validation & Dynamic Performance Testing
1.Tension Spring Quick Detail
Tingfeng Hardware is your professional engineering partner for tension springs. We specialize in transforming your tension requirements into mass-producible precision components, handling wire diameters ranging from Φ0.1-12mm. Leveraging 15 years of technical expertise, advanced European-style spring machines, and CNC forming equipment, we provide a one-stop service covering design review, prototyping, performance verification, and mass production. With ISO/IATF dual certification and an agile mold system, we promise rapid sample delivery (48 hours) and ensure stable and efficient mass production (500,000 pieces/day capacity), helping you meet market challenges.
2.Tension Spring Product Description
A superior tension spring's value lies in its performance stability and reliability throughout its entire service life. We are committed to this, achieving our goals through a systematic approach. First, we perform precise calculations based on your application load and space constraints to determine the optimal spring index and number of coils. Second, we rigorously select wires to ensure consistency in their chemical composition and mechanical properties. During manufacturing, we control the tightness of the winding to set a precise initial tension and perform post-forming treatments on the loops to eliminate microcracks. Finally, targeted heat treatments (such as low-temperature tempering) stabilize the internal structure, minimizing tension decay over long-term use. What we deliver is a thoughtfully designed and precision-machined force control element
3.Tension Spring Product Features & Advantage
|
Feature |
Advantage to You |
|
Systematic Design Methodology |
Adopts a logic of designing backwards from the application, ensuring spring parameters perfectly match your system, avoiding the dilemma of “works but not optimized”. |
|
Root-Cause Material Control |
Establishes cooperation with知名 steel mills, conducting spot checks on key material batches, eliminating product performance inconsistency due to material variation at the source. |
|
Process-Oriented Manufacturing Philosophy |
Believes that “quality is built in, not inspected in”, ensuring the inherent quality of the final product by optimizing each process step. |
|
Full-Lifecycle Data Support |
It can establish quality archives for key projects, recording data from materials to finished products, providing a basis for your product traceability and continuous improvement. |
4. Tension Spring Product Specification
|
Technical Dimension |
Detailed Specification |
Notes |
|
Geometry & Dimension |
|
|
|
Wire Diameter Tolerance |
±0.01mm (Standard) / ±0.005mm (Precision) |
|
|
Free Length Tolerance |
±1% or ±0.5mm, whichever is greater |
Measured inside hooks |
|
Hook Symmetry |
≤ 2° (Standard) |
Ensures installation alignment |
|
Mechanical Properties |
|
|
|
Load Test Standard |
Tested at specified length, load tolerance: ±10% (Standard) |
Test curve available |
|
Initial Tension Stability |
Variation within same batch ≤ ±15% |
|
|
Cycle Test to Solid |
Optional, verifies structural integrity |
|
|
Material & Environment |
|
|
|
Common Material Modulus (E) |
Carbon Steel: ~206 GPa; Stainless Steel: ~193 GPa |
Basis for design calculation |
|
Salt Spray Test Standard |
Zinc Plated: White rust ≥72h, Red rust ≥240h (Neutral) |
Customized per coating |
|
Operating Medium Compatibility |
Air, Oil, Some Chemical Media (Specify) |
Basis for material selection |
5.Tension Spring Product Application
Extension Springs: The Source of Innovation in Connection, Actuation, and Balance
New Energy & Electric Vehicles: Battery pack latch mechanisms, charging gun connection confirmation springs, motor compartment lid assist springs, meeting high safety and durability requirements.
High-End Medical Devices: Surgical robot force feedback joint springs, wearable rehabilitation device extension components, diagnostic instrument sample chamber door springs, pursuing sterility, precision, and reliability.
Smart Logistics Systems: Automatic sorter guide wheel tension springs, AGV cart hook mechanisms, automated warehouse access door return springs, adapting to high-intensity, automated operations.
Environmental & Agricultural Tech: Water quality monitor sampling arm springs, smart irrigation valve springs, UAV seeding bin door control springs, coping with variable outdoor environm
6. Frequently Asked Questions (FAQ)
Q: Can you handle complex custom designs and provide design optimization suggestions?
A: Absolutely. This is our core expertise. We provide free DFM analysis within 3-5 days, often helping clients achieve 15-30% cost reduction through design for manufacturability.
Q: How do you ensure quality consistency and handle defect issues?
A: We implement a rigorous 4-stage QC system with 100% full inspection. Our track record shows 99.99% qualification rate.
Q: What are your lead times and how do you handle urgent orders?
A: Standard lead times: 3-7 days for prototypes, 7-15 days for mass production. We offer VIP prioritization cutting lead times by up to 30%.
Q: Will I get timely responses and professional support throughout the project?
A: Yes. You get a 1v1 exclusive consultant with 1-hour initial response commitment and 24-hour technical support.
Q: Can you provide material certifications and environmental compliance reports?
A: Yes. We provide material certifications and environmental test reports (RoHS, REACH compliant) upon request.
Q: How do you protect my designs and intellectual property?
A: We start with mutual NDA and implement strict mold ownership protection and confidential data security measures.
Q: What are your payment terms and MOQ requirements?
A: We offer flexible payment terms (T/T, L/C at sight) and MOQ from 1 piece for prototyping.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
the year20
Total Annual:
20000000-30000000
Employee Number:
60~70
Ecer Certification：
Verified Supplier
Company Profile Tingfeng Hardware — Your Partner for High-Precision Non-Standard Components Since 2010, with 15 years of dedication, we focus on one mission: solving your “un-makeable, small-batch, urgent, and difficult” non-standard part manufacturing challenges. Core Streng... Company Profile Tingfeng Hardware — Your Partner for High-Precision Non-Standard Components Since 2010, with 15 years of dedication, we focus on one mission: solving your “un-makeable, small-batch, urgent, and difficult” non-standard part manufacturing challenges. Core Streng...
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