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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

  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

  • 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

ParameterSpecification
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

  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
  4. Operator Kit:
    • Calibrated micrometer set (0–25mm)
    • Specimen preparation templates (ISO 16402 compliant)
  5. Calibration Bundle:
    • NIST-traceable force calibration weights
    • Temperature verification thermocouple


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