The Bone Plate Four-Point Bending Fatigue Testing Machine is a specialized device used to evaluate t
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The Bone Plate Four-Point Bending Fatigue Testing Machine is a specialized device used to evaluate the fatigue performance and mechanical strength of orthopedic bone plates. It applies cyclic four-point bending loads to simulate physiological conditions, allowing assessment of the plate’s durability, bending strength, and failure characteristics under repeated stress.
(1)YY/T 1503
(2)ASTM F382
These standards specify the testing methods for the bending fatigue performance of metallic bone plates. They provide evaluation methods for different designs of bone plates. Fatigue tests are conducted under cyclic loading at a frequency of 5 Hz, with R = 0.1. for 1 million cycles or until specimen failure.
The M series electromagnetic testing system provides precise sinusoidal load control and offers comprehensive test fixtures (different sizes, contoured rollers, etc.) to accommodate specimens of various dimensions. The system also provides accurate and effective testing procedures (SOPs) to support mechanical performance analysis of metal bone plates or comparison of different bone plate designs.
Next-generation fatigue testing system driven by a large electromagnetic motor.
Direct-drive electromagnetic motor ensures stable operation, high repeatability, and precise control of force and displacement.
Built-in electromagnetic actuator with low friction and high repeatability; high system responsiveness and speed.
Capable of performing tensile, compressive, bending, shear, creep, and relaxation tests.
Meets modern material testing requirements for high precision, high frequency, stability, durability, and reliability.
Oil-free, seal-free, maintenance-free, long life, highly integrated, easy installation, and compact footprint.
Wide selection of clamps and accessories available.
| Parameter | Value |
|---|---|
| Maximum Load Peak | 1100 N |
| Dynamic Load Peak | 1000 N |
| Static Load Peak | 700 N |
| Testing Machine Grade | 0.5 |
| Load Measurement Range | 0.4% – 100% F.S. |
| Load Measurement Accuracy | ±0.2% of indicated value (within measurement range) |
| Maximum Fatigue Loading Frequency | 100 Hz |
| Axial Stroke | 30 mm |
| Displacement Resolution | 0.1 μm |
| Test Space (Upper-Lower Fixture Gap) | 0–950 mm |
| Net Weight | Approx. 900 kg |
| Dimensions | Approx. 1000 × 700 × 1800 mm |
| Optional Environmental Accessories | Water bath, high temperature, low temperature, humidity environment, etc. |
| Applications | Fatigue/fracture/static testing of metals, polymers, composites; static/dynamic testing of surgical implants (trauma, joint, spine, dental), polymer tensile fatigue testing, rubber crack propagation testing, etc. |
| Optional Fixtures | Mechanical tensile clamps, compression clamps, bending clamps, femoral stem fixtures, four-point bending fixtures, spinal rod/screw fixtures, tibial plateau fixtures, vertebral resection model compression/tensile fixtures, dental implant fixtures, etc. |
Qinsun Instruments Co., LTD is a professional laboratory testing instrument manufacturer in China,Have been focusing on laboratory instrument R&D more than 30 years and have rich industry experience,Based on international testing standards,We are also the instrument supplier for BV SGS laboratory,We provide one-stop solutions for lab instruments,Free Training and Turn-Key Service,Products exported all over the world,Offer 36 month warranty and are a trustworthy partner.
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