Description
Technical Parameters
Railway e clips
| Model | Diameter | Material | Hardness | Clamping Force | Surface Treatment | Applicable Rail Type | Matching Installation Tool | Compatible Under-Rail Pad |
|---|---|---|---|---|---|---|---|---|
| E12-LT | φ12mm | 50CrVA | 40–45 HRC | 5–8 kN | Electro-galvanizing (≥20μm) | 30kg/m Light Rail | Manual E-Clip Pliers | 5mm Thick Rubber Pad |
| E14-Main | φ14mm | 60Si2MnA | 42–47 HRC | 9–12 kN | Hot-dip galvanizing (≥80μm) | 50kg/m Mainline Rail | Pneumatic E-Clip Installer | 8mm Thick Epoxy Pad |
| E16-HD | φ16mm | 55SiMnVB | 44–49 HRC | 15–18 kN | Dacromet (≥8μm) + Zinc Plating | 75kg/m Heavy-Haul Rail | Hydraulic E-Clip Tool | 10mm Thick Composite Pad |
| E18-HS | φ18mm | 60Si2CrVA | 46–51 HRC | 18–22 kN | Dacromet + Sealant (≥10μm) | 60kg/m High-Speed Rail | Electric E-Clip Driver | 12mm Thick Elastic Pad |
| E10-Tram | φ10mm | 60Si2MnA | 39–44 HRC | 4–6 kN | Phosphate Coating + Oil | 22kg/m Tram Rail | Lightweight E-Clip Tool | 4mm Thick Foam Pad |
On-Site Quality & Service Check Checklist
| Inspection Stage | Key Item | Test Method | Acceptance Criterion | Sampling Rule | Tool/Reference |
|---|---|---|---|---|---|
| Incoming Check | Material & Dimensional Fit | Handheld PMI + Gauge Pin | C: 0.56–0.64% (60Si2MnA); Diameter Tolerance: ±0.2mm | 5 pcs/batch | Portable PMI Analyzer; Precision Gauge Pins |
| On-Site Installation | Installation Speed & Fit | Stopwatch + Gap Gauge | Installation ≤8s/piece (Pneumatic Tool); Fit Gap ≤0.3mm | 10 pcs/100m track | Digital Stopwatch; 0.01mm Gap Gauge |
| Short-Term Service | Clamping Force Retention | Portable Force Gauge | Force Loss ≤5% After 1×10⁵ Cycles | 3 pcs/km monthly | Handheld Clamping Force Tester |
| Long-Term Service | Corrosion & Deformation | Visual Inspection + Dial Gauge | No Red Rust (Coastal Area: 2 Years); Permanent Deformation ≤0.1mm | 5 pcs/km annually | 10× Magnifier; 0.01mm Dial Gauge |
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