Large Hydraulic, Four-Point Bending Beam Machine, 415V 50Hz, 3PH
Supports the following standards: AASHTO T321, EN 12697-24 ANNEX D, EN 12697-26 ANNEX B
The Large Hydraulic Four Point Bending Beam Machine uses advanced servo-hydraulic technology and a high-speed digital data acquisition and control system together with user-friendly software. During testing both graphical and tabular data are displayed on screen and test data is stored to disc in Microsoft Excel™ compatible format. The test frame is housed in a Temperature Controlled Cabinet with fan-assisted air circulation and a temperature range of -20 to 30°C. The unique constant torque clamping and three-transducer deflection measurement system of the The Large Hydraulic Four Point Bending Beam Machine can be configured to accept different beam sizes. This means that the ratio between beam dimensions and maximum aggregate size of test specimens will satisfy the requirements of the relevant European specifications.
Features:
Frequency range 0.1 to 60Hz
High-quality, Servo-Hydraulic Four-Point Bending Machine
Double-acting, fatigue-rated hydraulic actuator with integral stroke transducer
Star servo valve with “Sapphire Technology”
Can be used with simple one or research level three LVDT transducers
Accepts various beam sizes: 380 to 660mm in length and 50 x 50mm and 100 x 100mm cross sections.
Temperature Controlled Cabinet range -20 to 30°C
Sinusoidal controlled strain or controlled stress fatigue test modes
Constant torque motorized specimen clamping to eliminate errors due to localized beam indentation
Self-contained loading system
User friendly software for determination of fatigue resistance and stiffness modulus
Capable of performing healing, modulus, fatigue multi-stage testing and camera triggering
Supplied with traceable calibration certificate
Software:
User friendly, intuitive and reliable Windows® software developed using LabVIEW™
Specifically written to meet AASHTO and ASTM standards
The user interface can be translated into the user’s preferred language – please inquire
Stored test data can be analyzed and compared with other test data utilizing a spreadsheet package
Utilities are included for curve fitting of acquired data; testing of system’s inputs and outputs; phase correction and a transducer database for storing calibration factors
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