Stand Alone 4 Point Bending Beam
Specifically designed to meet AASHTO and ASTM standards
User friendly software for determination of fatigue resistance and stiffness modulus
On-specimen measurement system removes errors due to frame flexure
Sinusoidal controlled strain or controlled stress fatigue test modes
Accurate flexural bending system
The Stand Alone Four Point Bending Beam Machine uses advanced servo pneumatic 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 clamps are at 118.5mm (4.67 inch) centers (the distance between the outer clamps is 335.6mm (14 inches) according to AASHTO specifications but the height and width of the beam can be varied).
- Frequency range 0.1 to 30Hz¹
- Low cost pneumatic stand alone four point bending machine
- Low-friction actuator and high performance ceramic spool servo-valve
- On-specimen measurement system removes errors due to frame flexure
- Designed for AASHTO beam sizes
- 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
Force Transducer | 2248lbf (10kN) |
Specimen Transducer Range | ± 0.04″ (1mm) |
Actuator Stroke | 0.4″ (10mm) |
Frequency | 0.1 to 30 Hz |
Electrical Supply | 110/220V 50/60Hz, 1 Ph |
Compressed Air | 7-10 bar (100-145psi @ 21cfm (600 lpm) |
Test Frame Dimensions | 18″ x 7.5″ x 22.5″ (440 x 190 x 570mm) |
Data Acquisition Enclosure | 15″ x 11″ x 5.5″ (360 x 280 x 140mm) |
Working Space Required (WxDxH) | 32.5″ x 65″ x 83″ (826 x 1650 x 2100mm) |
Desktop PC | Included |
A low cost, accurate flexural bending system which facilitates the rapid throughput of modulus and fatigue tests