Description
Technical Parameters
Dynamic Test Parameters & Compliance Requirements
| Model No. | Fatigue Test Frequency (Hz) | Load Amplitude (kN) | Test Temperature Range (℃) | Preload Cycles (Times) | Qualification Fatigue Life (Cycles) | Residual Deformation Limit (mm) | Coating Wear Allowance (%) | Compliance Standard |
|---|---|---|---|---|---|---|---|---|
| E12-OR | 10 | 5-10 | -40 ~ 60 | 1000 | ≥2,000,000 | ≤1.5 | ≤8 | GB/T 24795 |
| E15-HS | 15 | 8-15 | -40 ~ 60 | 1000 | ≥3,000,000 | ≤1.0 | ≤5 | EN 13481-1 |
| E18-HH | 12 | 10-16 | -45 ~ 70 | 1500 | ≥4,000,000 | ≤1.2 | ≤6 | AREMA |
| E20-UR | 8 | 6-12 | -30 ~ 55 | 1000 | ≥2,500,000 | ≤1.3 | ≤7 | UIC 864 |
| E22-AR | 14 | 7-14 | -50 ~ 65 | 2000 | ≥3,500,000 | ≤1.1 | ≤4 | DIN 17221 |
Maintenance Cycles & Failure Judgment Criteria
| Model No. | Inspection Cycle (Months) | Clamping Force Range (kN) | Key Inspection Methods | Failure Judgment Indicators | Replacement Trigger | Maintenance Tools | Core Maintenance Focus |
|---|---|---|---|---|---|---|---|
| E12-OR | 6 | 8-12 | Visual Check + Magnetic Particle Flaw Detection | Crack at bends; Clamping force <8kN | Clamping force below lower limit | Wire Brush + Rust Remover | Clean rust; Check bend cracks |
| E15-HS | 3 | 10-15 | Magnetic Particle Flaw Detection + Clamping Force Test | Coating peeling >5%; Residual deformation >1mm | Any fatigue crack; Coating wear over limit | Torque Wrench + Flaw Detector | Monitor clamping force decay |
| E18-HH | 4 | 12-18 | Ultrasonic Flaw Detection + Deformation Measurement | Fracture at stress concentration points; Deformation >1.2mm | Fracture or excessive deformation | Hydraulic Tester + Cleaner | Inspect stress concentration areas |
| E20-UR | 5 | 9-13 | Visual Check + Vibration Test | Loosening due to vibration; Coating wear >7% | Loosening after retightening | Universal Pliers + Brush | Reduce noise via vibration adjustment |
| E22-AR | 2 | 11-16 | Comprehensive Flaw Detection + Temperature Test | Brittleness fracture; Clamping force <11kN | Temperature-induced performance decay | Precision Detector + Rust Remover | Adapt to extreme temperature maintenance |
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