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
Electromagnetic Precision: M-Series actuator delivers ±0.05% force accuracy with 0.001N resolution.
5 Million Cycle Endurance: Proven capability to complete ISO 7206-4’s 5×10⁶-cycle fatigue test without drift.
R=0.1 Load Control: Advanced closed-loop system maintains stress ratios during dynamic loading.
Real-Time Fracture Detection: AI-powered acoustic emission monitoring identifies micro-cracks at sub-millisecond intervals.
Intuitive Workflow: 21.5” capacitive touchscreen with gesture control and pre-loaded SOPs for 15+ implant geometries.
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
| Parameter | Specification |
|---|---|
| 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
Femoral Stem Test Fixture Kit:
Self-centering collet system (12/14 mm taper compatibility)
Laser-aligned loading anvils with diamond-like carbon (DLC) coating
Thermal-Mechanical Chamber:
25L capacity with rapid cooling/heating (15°C/min)
316L stainless steel interior with HEPA filtration
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
Operator Kit:
Calibrated torque wrench set (0.5–50 Nm)
Specimen alignment gauges (ISO 7206-4 compliant)
Calibration Bundle:
NIST-traceable force calibration weights
Temperature/humidity verification probe
Safety Kit:
Laser safety curtains
Acoustic enclosure with 30 dB noise reduction
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