Custom High-Precision Torsion Springs with Accurate Torque Control
& ±5° Angular Tolerance
1. Torsion Spring Quick Detail
Tingfeng Hardware brings 15 years of precision torsion spring
manufacturing expertise, equipped with computerized spring machines
(e.g., WAFIOS, OMCN) and CNC coilers for wire diameters from
Φ0.1–12mm. We offer full-scale services from single-piece
prototypes to mass production of 500,000 pieces daily, supporting
customization of various arm lengths, angles, and special ends.
With ISO/IATF dual certification and a library of 200+ molds, we
guarantee 48-hour sample delivery and 72-hour trial production
response, providing stable and reliable non-standard torsion spring
solutions.
2. Torsion Spring Product Description
As your engineering partner, we not only manufacture springs but
also provide in-depth technical support. Our production line
comprehensively covers all types of precision torsion springs, with
materials ranging from carbon steel and stainless steel (302/316)
to copper alloys, and is equipped with complete surface treatment
processes (galvanizing, nickel plating, passivation, etc.). Through
advanced equipment and DFM analysis by our engineering team, we
transform your torsion design into mass-producible, stable
products, ensuring precise torque output, angle control, and long
fatigue life, effectively improving the reliability and accuracy of
your mechanisms.
3. Torsion Spring Product Features & Advantage
Feature | Advantage to You |
Professional Production Setup | Equipment supports full-range wire processing (Φ0.1–12mm), excels
in complex arm forms and angle control, ensuring high-quality
realization of torsion designs. |
Agile Capacity & Flexibility | 500K pcs/day standard capacity combined with 1-piece MOQ
flexibility, 200+ mold library & 3-5 day mold development, ensuring
fast response from R&D to mass production. |
Stringent Torque Precision Control | Implements strict standards (e.g., wire diameter ±0.01mm, torque
±8%), with full inspection equipment, ensuring consistent torque
output per batch and a 99% qualification rate. |
Comprehensive Engineering Support | Offers free technical support including torsion spring design
optimization, fatigue testing, and installation advice, enhancing
product performance and lifespan from the outset. |
4. Torsion Spring Product Specification
Specification Item | Detail / Range | Tolerance / Standard |
Wire Diameter | 0.1 mm — 12.0 mm | ±0.01 mm (Standard) |
Mean Coil Diameter | 0.5 mm — 100 mm | ±0.1mm or ±1% |
Torque Capacity | 0.01 N·mm — 10,000 N·mm | ±5% — ±10% |
Arm Length | 1.0 mm — 150 mm | ±0.5 mm or ±2% |
Working Angle | Custom per Design | ±3° — ±10° |
Operating Temperature | -60°C to +300°C | Material Dependent |
Fatigue Life | 10⁴ — 10⁷ Cycles | Design & Process Dependent |
Surface Treatment | Plating, Coating, Passivation | Per ASTM/ISO Standards |
5.Torsion SpringProduct Application
Our torsion springs are widely used in demanding scenarios:
High-Precision Fields: Such as medical devices (joint springs for
minimally invasive surgical instruments) and precision instruments
(pointer return springs), requiring extreme torque accuracy,
lifespan, and spatial layout.
High-Volume Stable Applications: Such as automotive window
regulators, appliance door hinge springs, office equipment
transmission mechanisms, requiring high production capacity and
cost control.
Customized Solutions: We provide torsion spring design
optimization, vibration testing, and environmental adaptation
verification for various industries, ensuring optimal spring
performance in specific rotational or return applications.
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.
