Bone Cement Four-Point Bending Fatigue Tester
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Whats/App: +86 181 0160 0864
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The Bone Cement Four-Point Bending Fatigue Tester is a specialized mechanical testing device designed to evaluate the fatigue performance and structural durability of bone cement used in orthopedic implants. By applying controlled cyclic bending loads at four points along a cement specimen, the tester simulates physiological stresses encountered in vivo, such as those during walking or joint movement. The device provides key data on crack initiation, fracture resistance, and overall fatigue life, helping manufacturers and researchers ensure the safety and reliability of bone cement for clinical applications.
Standard
(1)YY/T 1429 (China): Specifies four-point bending fatigue tests for acrylic resin bone cements under quasi-static and cyclic loading.
(2)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
(1)Dual-Environment Testing: Integrated water bath chamber (37°C ±0.5°C) simulates in-vivo conditions for clinically relevant data.
(2)Precision Fatigue Analysis: 0.01Hz–50Hz frequency range captures both low-cycle and high-cycle fatigue behavior.
(3)Automated SOP Execution: Pre-loaded test protocols for YY/T 1429 and ISO 16402 ensure regulatory compliance.
(4)Real-Time Fatigue Monitoring: Live S-N curve plotting and crack propagation detection via acoustic emission sensors.
(5)Modular Specimen Clamping: Quick-release fixtures accommodate rectangular beam specimens (2×4×30mm to 6×12×60mm).
(6)Data Integrity: Blockchain-timestamped results prevent tampering and simplify audit processes.
Product Features
(1)Four-Point Bending Configuration: 30–100mm span adjustable for standardized (ISO) or custom specimen geometries.
(2)Electrohydraulic Actuator: Delivers sinusoidal, square, or random vibration waveforms up to 1kN force.
(3)Thermostatic Water Bath: Dual-zone temperature control (15–50°C) with anti-evaporation lid system.
(4)High-Speed Data Acquisition: 16-bit resolution at 10kHz sampling rate captures transient failure events.
(5)AI-Assisted Analytics: Machine learning algorithms predict fatigue life from partial test data.
(6)Safety Interlock System: Emergency stop, over-temperature protection, and breakaway specimen holders.
Accessories
(1)Four-Point Bending Fixture Kit:
Anodized aluminum load frames with laser-marked span indicators
Self-aligning specimen grips (2–6mm thickness compatibility)
(2)Thermostatic Water Bath:
10L capacity with recirculation pump for temperature uniformity
Corrosion-resistant stainless steel construction
(3)FatigueMaster Pro Software:
Automated S-N curve generation
Crack initiation detection (acoustic emission integration)
21 CFR Part 11-compliant audit trail
Operator Kit
(1)Calibrated micrometer set (0–25mm)
(2)Specimen preparation templates (ISO 16402 compliant)
Calibration Bundle
(1)NIST-traceable force calibration weights
(2)Temperature verification thermocouple
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) |
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