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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