Intervertebral Fusion Cages Torsion Fatigue Tester
Standard
- YY/T 0959-2014 (China): Specifies torsional 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 torsional loading.
- ISO 12189-1: Additional compliance for mechanical testing of spinal implant components.
Product Advantages
- Bidirectional Torsion Control: Advanced electromagnetic actuator maintains R=-1 load ratio (fully reversed torsion) with ±0.1% accuracy.
- 5 Million Cycle Endurance: Proven capability to complete YY/T 0959’s 5×10⁶-cycle fatigue test without calibration drift.
- Dynamic Angle Control: 0.001° resolution ensures precise replication of physiological spinal motion.
- 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 8+ implant geometries.
- Modular Environmental Chambers: Quick-swap pods for simulated physiological (-20°C to +50°C) and corrosive environment testing.
Product Features
- Electromagnetic Servo Motor: 50 Nm peak torque capacity with programmable load ratios (R=-1 to R=0.1).
- Torsional Actuator: ±180° rotation range with 0.001° angular resolution.
- Dynamic Load Control: 0.1–5 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. Torsional Moment | ±50 Nm (10 Nm resolution) |
| Angular Range | ±180° (0.001° resolution) |
| Frequency Range | 0.1–5 Hz (0.01 Hz increments) |
| Load Ratio (R) | -1 to 0.1 (adjustable) |
| 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, 2,000W |
| Dimensions (W×D×H) | 1,500 × 1,000 × 2,000 mm |
| Weight | 750 kg (including environmental chamber) |
| Noise Level | <65 dB (A-weighted) |
Accessories
- Spinal Implant Fixture Kit:
- Self-centering collet system (8–20 mm implant diameter compatibility)
- Laser-aligned loading anvils with diamond-like carbon (DLC) coating
- Thermal-Mechanical Chamber:
- 15L capacity with rapid cooling/heating (15°C/min)
- 316L stainless steel interior with HEPA filtration
- TorsionMaster Pro Software:
- Automated S-N curve generation and fatigue limit calculation
- 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 (ASTM F2077 compliant)
- Calibration Bundle:
- NIST-traceable torque calibration weights
- Angular encoder verification tool
- Safety Kit:
- Laser safety curtains
- Acoustic enclosure with 30 dB noise reduction
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