SHEARMATIC, digital automatic direct/residual shear machine with programmable pneumatic loading
SHEARMATIC, digital automatic direct/residual shear machine with programmable pneumatic loading
This new microprocessor based advanced model, is a stand-alone machine, driven by a high-resolution stepper motor with epicyclical reduction gear with a reduced backlash. Incorporates a pneumatic closed loop system for the automatic application of the axial pressure by a high performance pressure regulator, with the main advantage of eliminating the manual loading of the dead weights.
Excellent quality and high resistance techno polymeric material has been adopted for the carriage of the shear box.
It offers excellent resistance to corrosion, wear and tear and is resistant to all chemicals found in a soil specimen. The carriage is lightweight and easy to clean.
Electronic
The electronic parts of the SHEARMATIC is based on our Automax” unit, this is a microprocessor system that reads and processes the force, axial pressure and displacement readings, manages the motor, the pressure valve, the safety systems and the test steps through closed loop systems. It features a front panel in scratchproof poly carbon with a ten key keyboard and a large monochromatic graphic display.
Electronic transducers supplied with the machine
The machine is supplied complete with:
- ±5 kN capacity load cell, bi-directional type (compression and tension), nominal sensitivity 2 mV[V, accuracy ± 0.03%.
- 10 mm displacement transducer, 1 kø nominal resistance, ± 0.25% linearity, 0.002 mm repeatability
- 25 mm displacement transducer, same specification as above.
- 1000 kPa pressure transducer, O.lkPa accuracy, nominal sensitivity 2 mV/V.


