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01 · Technical Article
Fatigue Life Analysis of Rail Brake Disc Fasteners
Improving fatigue life under cyclic loading through material selection and heat treatment optimization.
SHANGHAI CAIFU · SINCE 2011
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Explore Caifu’s technical expertise and practical experience in high-end fasteners.
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02 · Case Studies
Case Study: Aerospace High-Speed Forging Press Fasteners
Collaborative design and validation for over 80 strokes per minute.
03 · Product Brochures
High-strength Fastener Brochure (2026 Edition)
Specifications for 10.9/12.9 hex bolts, socket bolts, and studs.
Case Studies
01 · Rail Transit
Validated by 1.35 Million km of Real-World Rail Testing
Brake disc fasteners passed national research institute testing and real-world rail testing. Mass supply to CRRC core subsidiaries since 2016.
Result: 1.35M km rail testing · 0 complaints
02 · Aerospace
150+ Specifications · Zero Customer Complaints
Specialized fasteners for high-speed forging presses operating at over 80 strokes per minute. 150+ specifications developed with zero customer complaints.
Result: 150+ specs · 0 complaints
03 · High-End Equipment
Failure Analysis & Systematic Solutions
Failure analysis for pile drivers, hot extrusion dies, and powder metallurgy molds. Comprehensive optimization from material and heat treatment to installation torque.
Result: Systematic resolution · Long-term stability
Downloads
High-strength Fastener BrochurePDFEngineered Components Customization GuidePDFSurface Finishing ComparisonPDFRail Transit Fastener Selection GuidePDFQuality System & Testing CapabilitiesPDF
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