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Femoral Stem Fatigue Performance Testing Machine

Standard

  • YY/T 0809.4 (China): Specifies fatigue testing protocols for femoral stems in partial/total hip arthroplasty.
  • ISO 7206-4 (International): Defines methodologies for evaluating the fatigue strength of femoral stem-bone cement interfaces.
  • ASTM F2580: Additional compliance for impact resistance testing of modular femoral necks.
  • Adaptive Protocols: Customizable for emerging standards in additive-manufactured implant evaluation.

Product Advantages

  1. Electromagnetic Precision: M-Series actuator delivers ±0.05% force accuracy with 0.001N resolution.
  2. 5 Million Cycle Endurance: Proven capability to complete ISO 7206-4’s 5×10⁶-cycle fatigue test without drift.
  3. R=0.1 Load Control: Advanced closed-loop system maintains stress ratios during dynamic loading.
  4. Real-Time Fracture Detection: AI-powered acoustic emission monitoring identifies micro-cracks at sub-millisecond intervals.
  5. Intuitive Workflow: 21.5” capacitive touchscreen with gesture control and pre-loaded SOPs for 15+ implant geometries.
  6. Modular Environmental Chambers: Quick-swap pods for simulated physiological (-20°C to +50°C) and corrosive environment testing.

Product Features

  • Electromagnetic Actuator: 2,300 N peak force capacity with programmable load ratios (R=0.1–10).
  • Triaxial Loading System: Simultaneous axial/torsional/shear loading (50 Nm max torque).
  • Dynamic Load Control: 1–30 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-Speed Imaging Ready: Syncs with external cameras for full-field strain mapping (DIC optional upgrade).
  • Safety First: Triple-redundant emergency stop, overload clutches, and laser-based specimen breakage detection.

Technical Parameters

ParameterSpecification
Max. Dynamic Force ±2,300 N (5,000 N peak optional)
Frequency Range 1–30 Hz (0.1 Hz increments)
Load Ratio (R) 0.1–10 (adjustable)
Axial Displacement ±15 mm (0.1 μm resolution)
Torque Capacity ±50 Nm (0.01 Nm resolution)
Temperature Range -20°C to +50°C (environmental chamber)
Humidity Control 10–95% RH (non-condensing)
Data Sampling Rate 100 kHz (synchronized across 16 channels)
Power Requirements 220V/110V ±10%, 50/60Hz, 2,000W
Dimensions (W×D×H) 1,500 × 1,000 × 2,200 mm
Weight 750 kg (including environmental chamber)
Noise Level <68 dB (A-weighted)

Standard Accessories

  1. Femoral Stem Test Fixture Kit:
    • Self-centering collet system (12/14 mm taper compatibility)
    • Laser-aligned 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. TestMaster Ultimate Software:
    • Automated fatigue life prediction (S-N/ε-N curve generation)
    • 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 (ISO 7206-4 compliant)
  5. Calibration Bundle:
    • NIST-traceable force calibration weights
    • Temperature/humidity verification probe
  6. Safety Kit:
    • Laser safety curtains
    • Acoustic enclosure with 30 dB noise reduction


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