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How does spring surface roughness affect performance?

Zhejiang Ningdeli Spring Co., Ltd. NDL 2025/08/06

Critical Thresholds:

  • Ra ≤ 0.4μm: Suitable for dynamic loads

  • Ra ≤ 0.1μm: Required for medical/optical-grade applications

Enhancement Processes:

  • Magnetorheological Finishing (MRF) (Mirror-like surface)

  • Physical Vapor Deposition (PVD) Coating (Balances wear resistance)

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