ETM305D Universal Testing Machine
300kN Precision Force Measurement | ISO/ASTM Certified | Industrial-Grade Reliability
🔧 Revolutionary Mechanical Design
Advanced Load Frame
Ergonomic & Safe Operation
Human-centric design reduces operator fatigue while ensuring maximum safety during high-load testing.
Ultra-Stable Crosshead Guidance
Robust lateral stiffness eliminates misalignment for consistent test integrity.
High-Speed Precision Drive
Preloaded Ball Screw System
Achieves high-speed positioning with <60dB noise and 0.04μm resolution.
Military-Grade Frame Rigidity
4-Column Structure
Heavy-duty preloaded bearings + symmetrical drive system deliver unparalleled frame stiffness (0.01mm/m alignment tolerance).
Intelligent Safety Protections
Auto Emergency Stop
Halts operation when force fluctuation exceeds preset thresholds.
Dual Over-Travel Limits
Front-panel controls + graduated column scale prevent crosshead overshoot and sensor damage.
📊 Technical Specifications
| Parameter | ETM305D |
|---|---|
| Load Capacity | 300 kN |
| Calibration Standard | ISO 7500-1 Class 0.5 | ASTM E4 Compliant |
| Load Accuracy | ±0.5% FS |
| Load Resolution | 1/500,000 FS |
| Deformation Accuracy | ≤±0.5% |
| Displacement Resolution | 0.04 μm |
| Crosshead Speed | 0.001–500 mm/min (±0.2% accuracy) |
| Testing Space | 1,120 mm travel | 650 mm tensile height |
| Frame Dimensions | 1108×798×2450 mm (L×W×H) |
| Power Supply | 2.5kW | 1-Phase 220V±10% | 50/60 Hz |
⚙️ Control Performance
| Control Mode | Range | Accuracy |
|---|---|---|
| Constant Force | 0.001%~5% FS/s | ±2% (<0.05%FS/s) / ±0.5% (≥0.05%FS/s) |
| Constant Deformation | 0.005%~5% FS/s | ±2% (<0.05%FS/s) / ±0.5% (≥0.05%FS/s) |
| Triple-Loop Control | Stress/Strain/Displacement | Real-time adaptive feedback |
🏭 Industry Applications
Heavy-Duty Component Testing
| Sector | Test Samples | Critical Tests | ETM305D Advantage |
|---|---|---|---|
| Wind Energy | Turbine bolts (M36-M64) | Tensile strength to 280kN (IEC 61400-6) | 300kN capacity + 4-column stability |
| Construction | Rebar couplers | Steel anchors | Proof load testing | Cyclic loading | Over-travel protection | Auto stop |
| Mining | Hydraulic roof supports | Yield point detection (ISO 6892-1) | 0.04μm resolution for micro-yield |
| Railway | Rail fastening systems | Fatigue testing (EN 13146) | 500mm/min speed for accelerated tests |
Advanced Material Labs
Aerospace Composites
Delamination resistance tests (ASTM D5528) with triple-loop strain control
Forging Plants
Hot tensile tests (up to 1200°C) using customized environmental chambers
🛠️ Customization Options
+ Extended Frames: 800mm test width / 1500mm tensile height
+ Power Systems: 110V 60Hz (North America) \| 380V 3-Phase (EU)
+ Speed Upgrade: 1000mm/min for high-throughput QC labs
+ Fixture Packages: Concrete \| Geotextile \| Pipe fittings
💡 Why ETM305D Dominates Heavy Testing?
*"With its 4-column rigid frame and military-grade ball screws, the ETM305D delivers ASTM E4-compliant 300kN force with zero compromise. From wind turbine bolts requiring ±0.5% accuracy to mining components needing overload protection – this machine redefines heavy industrial testing."*
📍 Technical Comparison: ETM205D vs ETM305D
| Feature | ETM205D (200kN) | ETM305D (300kN) |
|---|---|---|
| Column Structure | Dual-column | Quad-column + preloaded bearings |
| Max. Fastener Test | M56 (240kN) | M64 (290kN) |
| Noise Level | <65dB | <60dB (sound-damped screws) |
| Safety Certifications | CE | ISO | CE | ISO | ASME B46.1 |
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