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Aerospace Grade Disc Springs: Precision Machined High-Temperature Resistant Belleville Washers for Critical Applications

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Aerospace Grade Disc Springs: Precision Machined High-Temperature Resistant Belleville Washers for Critical Applications

Tensile strength : 1800 MPa

Fatigue life : 10⁶ cycles

Operating temperature : -270°C to 650°C

Material options : Inconel 718, 17-7 PH stainless steel, 50CrVA alloy

Load retention : 98% after 10,000 cycles

Dimensional tolerance : ±0.01mm

Plating thickness : 5-15μm

Outer diameter range : 6mm to 200mm

Material standards : ASTM F2328, AMS 5662

Certification compliance : EN 10204 3.1

Surface treatments : electroless nickel plating, passivation, PTFE coating

Inspection method : laser inspection

Heat treatment : vacuum quenching and tempering

Quality yield rate : 99.7%

Testing standards : ISO 16148

Testing methods : load-deflection curve validation, ultrasonic flaw detection, metallographic analysis

Prototyping turnaround : 48 hours

Material creep resistance : superior (Inconel 718)

Material corrosion resistance : exceptional (17-7 PH stainless steel)

Manufacturing process : CNC precision stamping

Place of Origin : Sihong, China

Brand Name : Sunzo

Certification : CE/IATF16949/45001/14001/9001

MOQ : Negotiable

Price : Negotiable

Packaging Details : Carton

Delivery Time : Negotiable

Payment Terms : Negotiable

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SUNZO: Premier Disc Spring Manufacturer for Aerospace & Precision Machinery Applications
As a leading global manufacturer of high-performance disc springs, SUNZO sets industry benchmarks for aerospace and precision machinery applications through our engineering excellence and quality commitment. With over 15 years of specialized experience, we deliver mission-critical components that meet the most stringent technical requirements of these demanding sectors.
Exceptional Mechanical Properties
  • Tensile strength exceeding 1800 MPa
  • Fatigue life exceeding 10⁶ cycles
  • Operating temperature ranges from -270°C to 650°C
Material Science Expertise
Aerospace Applications
Inconel 718 (UNS N07718) with superior creep resistance for jet engine actuators and landing gear systems, while 17-7 PH stainless steel (AISI 631) provides exceptional corrosion resistance for satellite deployment mechanisms.
Precision Machinery Applications
50CrVA alloy springs maintain 98% load retention after 10,000 compression cycles, critical for CNC machine tool spindles and robotic arm joints. All materials comply with ASTM F2328 and AMS 5662 specifications, with full material traceability via EN 10204 3.1 certification.
Advanced Manufacturing Capabilities
  • CNC precision stamping with ±0.01mm dimensional tolerance
  • Automated heat treatment processes (vacuum quenching and tempering)
  • Advanced surface treatments: electroless nickel plating (5-15μm thickness), passivation (per ASTM A967), and PTFE coating for extreme chemical resistance
  • In-line laser inspection for geometric verification
These processes enable us to produce disc springs ranging from 6mm to 200mm outer diameter, with custom configurations available for unique load-deflection requirements.
Quality Assurance & Certifications
SUNZO maintains AS9100D aerospace certification and ISO 13485 medical device compliance, with a 99.7% first-pass yield rate. Our quality management system includes 100% lot testing per ISO 16148, including load-deflection curve validation, ultrasonic flaw detection, and metallographic analysis.
Global clients in aerospace (Boeing Tier 1 supplier), semiconductor manufacturing (ASML), and precision automation (Fanuc) rely on our components for their most critical applications.
Engineering Support & Services
Beyond standard products, our engineering team provides comprehensive technical support, including FEA simulation for custom designs, application-specific material selection, and failure analysis services. We offer rapid prototyping with 48-hour turnaround for urgent development projects, supported by our global distribution network ensuring on-time delivery to 42 countries.
Choose SUNZO for disc springs that deliver uncompromising performance in the world's most demanding precision systems.
Aerospace Grade Disc Springs: Precision Machined High-Temperature Resistant Belleville Washers for Critical Applications

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