Bone Cement Four-Point Bending Fatigue Tester
Standard
- YY/T 1429 (China): Specifies four-point bending fatigue tests for acrylic resin bone cements under quasi-static and cyclic loading.
- ISO 16402 (International): Defines protocols for determining the fatigue life of bone cements in simulated physiological environments.
- Additional alignment with ASTM F2118 for constant load fatigue testing of polymer-based bone cements.
Product Advantages
- Dual-Environment Testing: Integrated water bath chamber (37°C ±0.5°C) simulates in-vivo conditions for clinically relevant data.
- Precision Fatigue Analysis: 0.01Hz–50Hz frequency range captures both low-cycle and high-cycle fatigue behavior.
- Automated SOP Execution: Pre-loaded test protocols for YY/T 1429 and ISO 16402 ensure regulatory compliance.
- Real-Time Fatigue Monitoring: Live S-N curve plotting and crack propagation detection via acoustic emission sensors.
- Modular Specimen Clamping: Quick-release fixtures accommodate rectangular beam specimens (2×4×30mm to 6×12×60mm).
- Data Integrity: Blockchain-timestamped results prevent tampering and simplify audit processes.
Product Features
- Four-Point Bending Configuration: 30–100mm span adjustable for standardized (ISO) or custom specimen geometries.
- Electrohydraulic Actuator: Delivers sinusoidal, square, or random vibration waveforms up to 1kN force.
- Thermostatic Water Bath: Dual-zone temperature control (15–50°C) with anti-evaporation lid system.
- High-Speed Data Acquisition: 16-bit resolution at 10kHz sampling rate captures transient failure events.
- AI-Assisted Analytics: Machine learning algorithms predict fatigue life from partial test data.
- Safety Interlock System: Emergency stop, over-temperature protection, and breakaway specimen holders.
Technical Parameters
| Parameter | Specification |
|---|---|
| Max. Dynamic Force | ±1,000 N (axial) |
| Frequency Range | 0.01–50 Hz (sinusoidal/square wave) |
| Temperature Control | 15–50°C ±0.5°C (water bath) |
| Force Resolution | 0.01 N (0–100N); 0.1 N (100–1,000N) |
| Displacement Range | ±5 mm (0.1 μm resolution) |
| Test Span Adjustability | 30–100 mm (ISO-compliant presets) |
| Power Requirements | 220V/110V ±10%, 50/60Hz, 800W |
| Dimensions (W×D×H) | 900 × 700 × 1,600 mm |
| Weight | 320 kg (including water bath) |
| Noise Level | <65 dB (A-weighted) |
Accessories
- Four-Point Bending Fixture Kit:
- Anodized aluminum load frames with laser-marked span indicators
- Self-aligning specimen grips (2–6mm thickness compatibility)
- Thermostatic Water Bath:
- 10L capacity with recirculation pump for temperature uniformity
- Corrosion-resistant stainless steel construction
- FatigueMaster Pro Software:
- Automated S-N curve generation
- Crack initiation detection (acoustic emission integration)
- 21 CFR Part 11-compliant audit trail
- Operator Kit:
- Calibrated micrometer set (0–25mm)
- Specimen preparation templates (ISO 16402 compliant)
- Calibration Bundle:
- NIST-traceable force calibration weights
- Temperature verification thermocouple
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