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Compression Fatigue Testing Machine for Intervertebral Fusion Cages

Compression Fatigue Testing Machine for Intervertebral Fusion Cages
  • Compression Fatigue Testing Machine for Intervertebral Fusion Cages
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Standard

  • YY/T 0959-2014 (China): Specifies compression fatigue testing protocols for intervertebral fusion devices, including load ratios, frequency, and failure criteria.
  • ASTM F2077-17 (International): Defines methodologies for evaluating the fatigue strength of intervertebral body fusion devices under compressive loading.
  • ISO 12189-1: Additional compliance for mechanical testing of spinal implant components.

Product Advantages

  1. High-Frequency Stability: Advanced electromagnetic actuator maintains 0.1–20 Hz frequency range with ±0.05% force accuracy.
  2. Ultra-Precision Loading: 25 kN axial force capacity with 1 N resolution for submicron displacement control.
  3. Dynamic Load Control: Programmable R=0.1–10 load ratios with real-time stiffness compensation.
  4. Biorelevant Environment: Temperature-controlled (37±1°C) lubrication bath with 20±2 g/L protein concentration.
  5. Extended Durability: Capable of 10+ million cycle testing with <0.2% drift in calibration.
  6. Modular Design: Six-station configuration allows parallel testing of multiple specimens.

Product Features

  • Electromagnetic Servo Motor: 25 kN axial force capacity with programmable load ratios (R=0.1–10).
  • Triaxial Strain Gauge: Measures axial/radial strains simultaneously (0.1 με resolution).
  • Dynamic Load Control: 0.1–20 Hz frequency range with programmable waveforms (sine, square, random, custom).
  • Thermal-Mechanical Chamber: ±0.3°C temperature stability with integrated humidity control (10–95% RH).
  • High-Resolution Imaging: Optional integration with micro-CT systems for in-situ crack analysis.
  • Safety System: Emergency stop, overload clutches, and laser-based specimen breakage detection.

Technical Parameters

ParameterSpecification
Max. Axial Force ±25,000 N (25 N resolution)
Frequency Range 0.1–20 Hz (0.01 Hz increments)
Load Ratio (R) 0.1–10 (adjustable)
Axial Displacement ±10 mm (0.1 μm resolution)
Temperature Control -20°C to +50°C (PT1000 sensors)
Humidity Control 10–95% RH (non-condensing)
Data Sampling Rate 100 kHz (synchronized across 16 channels)
Power Requirements 220V/110V ±10%, 50/60Hz, 3,000W
Dimensions (W×D×H) 2,000 × 1,500 × 2,200 mm
Weight 1,200 kg (including environmental chamber)
Noise Level <65 dB (A-weighted)

Standard Accessories

  1. Spinal Implant Fixture Kit:
    • Self-centering collet system (8–20 mm implant diameter compatibility)
    • Anatomically shaped loading anvils with diamond-like carbon (DLC) coating
  2. Thermal-Mechanical Chamber:
    • 25L capacity with rapid cooling/heating (15°C/min)
    • 316L stainless steel interior with HEPA filtration
  3. CompressionMaster Pro Software:
    • Automated stiffness degradation tracking and fatigue limit calculation
    • 21 CFR Part 11-compliant audit trail with blockchain timestamping
    • Remote monitoring via dedicated iOS/Android app
  4. Operator Kit:
    • Calibrated torque wrench set (0.5–50 Nm)
    • Specimen alignment gauges (ASTM F2077 compliant)
  5. Calibration Bundle:
    • NIST-traceable force calibration weights
    • Strain gauge verification tool
  6. Safety Kit:
    • Laser safety curtains
    • Acoustic enclosure with 30 dB noise reduction


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