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High-frequency fatigue testing machine
High frequency resonant testing machine
HFT Series
It is mainly applied in the fields of quality inspection (QC), quality analysis (QA) and research and development (R&D), used to test various technical parameters of fatigue fracture resistance of various metal materials, composite materials, etc. After configuring the corresponding fixtures and accessories, it can test S-N curves, KIC, JIC, CTOD, etc. It is particularly suitable for testing the fatigue characteristics or fatigue life of various components (such as plates, gears, crankshafts, threads, bolts, screws, studs, chains, connecting rods, compact tensile tests, valves, etc.) and components (such as operating joints, connecting parts, and helical motion pairs, etc.) under alternating forces, as well as conducting pre-crack and crack propagation tests. It can complete various types of fatigue tests such as symmetrical fatigue tests, asymmetric fatigue tests, unidirectional tension or compression fatigue tests, programmed (block spectrum) fatigue tests, waveform composite (modulation) control fatigue tests, three-point bending, four-point bending, eight-point bending, torsion, quasi-static fracture toughness and plane strain fracture toughness, as well as conduct fracture mechanics research on CT and SEB specimens. Fatigue tests can also be completed under complex conditions such as high and low temperatures, corrosion, and high and low pressures after configuring specific environmental conditions.
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Standards
Features
Technical Parameter
Optional Accessories
Product Recommendation
Applications
It is mainly applied in the fields of quality inspection (QC), quality analysis (QA) and research and development (R&D), used to test various technical parameters of fatigue fracture resistance of various metal materials, composite materials, etc. After configuring the corresponding fixtures and accessories, it can test S-N curves, KIC, JIC, CTOD, etc. It is particularly suitable for testing the fatigue characteristics or fatigue life of various components (such as plates, gears, crankshafts, threads, bolts, screws, studs, chains, connecting rods, compact tensile tests, valves, etc.) and components (such as operating joints, connecting parts, and helical motion pairs, etc.) under alternating forces, as well as conducting pre-crack and crack propagation tests. It can complete various types of fatigue tests such as symmetrical fatigue tests, asymmetric fatigue tests, unidirectional tension or compression fatigue tests, programmed (block spectrum) fatigue tests, waveform composite (modulation) control fatigue tests, three-point bending, four-point bending, eight-point bending, torsion, quasi-static fracture toughness and plane strain fracture toughness, as well as conduct fracture mechanics research on CT and SEB specimens. Fatigue tests can also be completed under complex conditions such as high and low temperatures, corrosion, and high and low pressures after configuring specific environmental conditions.
Standards
ISO 4965:1979, ISO 204, ISO 6934-4:2020, ISO 10190:2008, ISO 15654:2004, ISO 15630-1:2019, ISO 15630-3:2019
ASTM E647, ASTM E467-2008, ASTM E1012-2005, ASTM E399-2019
Features
Technical Parameter
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Model | HFT504 | HFT105 | HFT255 | HFT505 | HFT106 |
Maximum force, kN | 50 | 100 | 250 | 500 | 1000 |
Mean load max., kN | ±50 | ±100 | ±250 | ±500 | ±1000 |
Force amplitude max., kN | ±25 | ±50 | ±125 | ±250 | ±500 |
Displacement max., mm | 4 (±2) | 2 (±1) | 2 (±1) | ||
Test frequency range, Hz | 50~320 | 50~285 | 50~285 | 50~285 | |
No. of frequency steps via attach/detach dead weights | 6 | 8 | 8 | 8 | 8 |
No. of guide columns | 4 | 4 | 4 | 4 | 4 |
No. of lead-screw drives | 2 | 2 | 4 | 4 | 4 |
Drive voltage adjustment | Automatic | ||||
Sampling and control frequency, kHz | 10 | ||||
PC communication | LAN cable | ||||
Specimen clamping | Hydraulic grip, manual thread type | ||||
Frame stiffness at 1000mm crosshead separation, kN/mm | 180 | 400 | 380 | 980 | 980 |
Drive stations | 1 | 3 | 3 | 4 | 6 |
Full loading at full frequency | Yes | ||||
Coaxiality | ≥5% | ||||
Zero drift | ±1% | ||||
Relative resolution | 0.5% | ||||
Static tests and for mean force control | AC servo motor | ||||
Zero point relative error of force measurement System | ±0.5% | ||||
Static force reading accuracy | ±0.5% | ||||
Static force relative repeatability | 1% | ||||
Static force relative reversibility error | ±1.0% | ||||
Cyclic force reading accuracy | ±2.0% | ||||
Cyclic force reading repeatability | ±2.0% | ||||
Peak cyclic force reading accuracy | ±2.0% | ||||
Peak cyclic force reading repeatability | ±2.0% | ||||
Cyclic force reading fluctuation in 10 min | ±2.0% | ||||
Peak cyclic force reading fluctuation in 10 min | ±2.0% | ||||
Timer range | ≥9x109 | ||||
Loading speed (mm/min) | 0~550 | 0~450 | 0~550 | 0~250 | 0~250 |
Maximum crosshead speed (mm/min) | 800 | 600 | 880 | 700 | 700 |
Position repeatability (µm) | ±8 | ||||
Static force control range (MPa/s) | 0~30 | ||||
Motor with brake function | Yes | ||||
Static force loading by | Servo motor | ||||
Dynamic force loading by | Electromagnetic | ||||
Noise (dB) | ≤90 | ≤100 | ≤110 | ≤115 | ≤115 |
Weight (kg), without grip | 1800 | 4200 | 4500 | 13000 | 20000 |
Frame dimension (mm), (LxWxH) | 660x 915x 2500 | 685x 1130x 2820 | 820x 1150x 3130 | 1500x 1350x 3600 | 1550x 1700x 4600 |
Control cabinet dimension (mm) , (LxWxH) | 450x 800x 1200 | 550x 1080x 1500 | 550x 1080x 1500 | 550x 1080x 1500 | 550x 1080x 1500 |
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