SUNZO 51CrV4 High-Elasticity Disc Spring for Precision Machinery Applications
Product Details
| Material: | 65Mn | Carbon Content: | 0.62-0.70% |
|---|---|---|---|
| Manganese Content: | 0.90-1.20% | Tensile Strength: | 1,000-1,200 MPa |
| Yield Strength: | 800-950 MPa | Elastic Recovery: | <0.1% Deformation |
| Load Range: | 0.5-15 KN | Damping Coefficient: | 0.25-0.35 |
| Stiffness Range: | 8-45 N/mm | Thickness Range: | 0.5-5mm |
| Outer Diameter: | 10-150mm | Surface Treatment: | Phosphating (ISO 10276) |
| Phosphate Film Thickness: | 5-15μm | Blackening Standard: | MIL-DTL-13924 |
| Friction Reduction: | 30% | Dimensional Tolerance: | ±0.02mm |
| Load-Deflection Tolerance: | ±3% | Hardness: | 42-48 HRC |
| Cycle Life: | 10⁵ Cycles | Deflection Control: | Precise Load-deflection |
| Highlight |
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Product Description
SUNZO 51CrV4 Disc Spring is engineered specifically for precision machinery applications where consistent performance and dimensional stability are critical. Manufactured from high-carbon spring steel renowned for exceptional elastic properties, these disc springs deliver reliable performance in demanding precision equipment environments.
| Chemical Composition | 0.62-0.70% carbon, 0.90-1.20% manganese, with trace elements of silicon and phosphorus |
|---|---|
| Tensile Strength | 1,000-1,200 MPa |
| Yield Strength | 800-950 MPa |
| Elastic Recovery | <0.1% permanent deformation after 10⁵ cycles |
- Load Range: 0.5-15 kN for small to medium load applications
- Superior shock absorption with damping coefficient of 0.25-0.35
- Stiffness range: 8-45 N/mm depending on thickness (0.5-5mm) and outer diameter (10-150mm)
- Conical geometry enables precise load-deflection control
- Ideal for compact mechanical assemblies
- Phosphating (per ISO 10276): Creates corrosion-resistant phosphate film (5-15μm thickness) suitable for dry indoor conditions
- Blackening (per MIL-DTL-13924): Forms uniform oxide layer that improves wear resistance and aesthetic finish
- Optional Oil-Impregnated Treatments: Reduces friction coefficients by 30% compared to untreated surfaces
Available in both standard DIN 2092 sizes and custom configurations with tolerances as tight as ±0.02mm for critical dimensions. Rigorous quality testing includes load-deflection curve validation (±3% tolerance) and hardness testing (42-48 HRC).
Ideal applications include CNC machine tool spindles, coordinate measuring machines (CMMs), optical inspection equipment, servo motor brakes, precision press tools, and semiconductor manufacturing equipment.
Product Highlights
SUNZO 65Mn disc springs deliver high elasticity & precision for machinery. With 1000-1200 MPa tensile strength, DIN 2092 standards, and custom options. Ideal for CNC, CMMs, and semiconductor equipment.
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