Description
The WLW-Series is a heavy-duty, horizontal electro-hydraulic servo tensile testing machine engineered for large-scale static & dynamic mechanical testing of Advanced Tensile Testing Machine
- Steel wire rope & cables
- Power line hardware
- Safety belts & slings
- Composite insulators
- Anchor chains
- Structural components
Supports tensile, compression, load-holding, reciprocating, fixed-elongation, and fixed-stress tests.
Three closed-loop modes: Stress | Strain | Displacement Auto-calculates: Fm, Fb, ReH, ReL, Rp0.2, Rm, A%, Z%, E, etc. Real-time curves & printable reports.
- GB/T 228.1 / ISO 6892-1 / ASTM E8 – Metallic tensile
- GB/T 8358 – Steel wire rope breaking force
- IEC 61284 – Overhead line fittings
- GB/T 14370 – Anchor chain tensile
- GB/T 2611 – General testing machine requirements
- Horizontal layout – ideal for long specimens (up to 15 m)
- Electro-hydraulic servo – smooth, precise, high-force loading
- Three closed-loop control (stress/strain/displacement)
- High-rigidity twin-column frame
- Hydraulic wedge grips – auto clamping, self-centering
- Long-stroke actuator – 1000–1500 mm travel
- Digital control + PC software – real-time curves, report export
- Safety: Overload, rupture shutdown, limit switches
| Model | WLW-200 | WLW-500 | WLW-1000 | WLW-5000 |
|---|---|---|---|---|
| Max Test Force | 200 kN | 500 kN | 1000 kN | 5000 kN |
| Accuracy Class | Class 1 | ← | ← | ← |
| Force Range | 2–100% FS | ← | ← | ← |
| Force Accuracy | ±1% | ← | ← | ← |
| Force Resolution | 1/300,000 | ← | ← | ← |
| Piston Stroke | 1000 mm | 1000 mm | 1200 mm | 1500 mm |
| Effective Test Length | 3–10 m | 3–12 m | 5–15 m | 5–15 m |
| Test Speed | 0.1–100 mm/min | ← | ← | 0.1–80 mm/min |
| Grip Type | Hydraulic wedge / pin-type | ← | ← | Bolt-type |
| Specimen Diameter | Ø5–30 mm | Ø8–40 mm | Ø10–60 mm | Ø20–120 mm |
| Power | 3 kW | 5 kW | 7.5 kW | 15 kW |
| Weight (approx.) | 1800 kg | 2500 kg | 3500 kg | 8000 kg |
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