Item 79-PV74A02
Servo-Pneumatic Four-Point Bend Tester
Its beam cradle designed to subject asphalt beam specimens to four point bending with backlash free rotation and horizontal translation at all load reaction points.
Technical specifications
| Loading frequency | up to 60 Hz (load limitations apply at higher frequencies) |
|---|---|
| Load capacity | up to 5 kN dynamic |
| Specimen Dimensions | Specimen sizes: Max height 70 mm, Max width 80 mm, Length from 380 mm to 500+ mm; Accommodates typical 50 x 50 x 400 mm, 60 x 60 x 400 mm, 50 x 63 x 400 mm and 70 x 70 x 500 mm specimens |
| Dimension and weight | Apparatus 600 x 230 x 490 – 560mm (H x D x W) / 35kg; IMACS2 445 x 280 x 245 mm (H x D x W) / 11kg; Air Accumulator 330 x 470 x 450mm (H x D x W) / 9.5kg |
| Air supply Clean, dry air at | 800 – 900kPa |
Technical notes
- Optional on-specimen displacement transducers LVDT +/- 0.5mm, +/- 1mm or +/- 2.5mm
- Loading Spans
- Inner span ≤118.5 mm to >140 mm
- Outer span ≤355.5 mm to >420 mm
- Yoke Alignment Tool 50 x 50 x 355.5 mm (H x W x Outer span centers) 70 x 70 x 420 mm (optional)
- Services
- Minimum flow rate 5 liter/sec
Features
- Digital servo- pneumatic actuator provides accurate control of loading wave shape
- Includes both on-specimen and outer fixed reference point strain measurement capabilities
- Deflection can be measured at the neutral axis or at the top surface of the specimen.
- Backlash free rotation and translation on all load and reaction points
- Sinusoidal or haversine controlled stress loading
- Constant force motorized clamping with multiple preset force levels
- Non-linear regression data fitting ensures reliable determination of phase and modulus
Ordering information
| 79-PV74A12/I2 | IPC Global Four Point Bend Apparatus – Pneumatic -Complete with IMACS2 controller. 110-230V / 50-60Hz / 1ph |
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Accessories
| 79-PV70E02 | Environmental chamber for servo-pneumatic testing machine, -25C to +60C, 110-230V/50-60Hz/1Ph |
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| 79-PV70116 | Temperature measuring kit (-50 +100C), including two probes |
| 79-PV70206 | On Specimen LVDT (+/-0.5mm) w/ ILC. |
| — | Servo Pneumatic 4PB Apparatus MkIV Datasheet |