As part of a project for the Faculty of Civil Engineering, Architecture and Environmental Engineering of the Lodz University in Poland, we realized the production of the LabTest 6.600 E.3 machine. Thanks to the typology of the tested material and the conditions for testing, we have made several innovative modifications to this machine. One of the most significant modifications of the device, in addition to the raised frame, is the possibility of testing composite materials, namely fiberglass concrete reinforcements. For this reason, we created enlarged inserts for the grips with increased frictional force in the bearing surface, and therefore it was necessary to make more robust hydraulic grips with side pressure.
Since the clamping of fiberglass reinforcements is a very specific discipline, so thanks to many years of experience in this field with our engineers, we have developed a method combining 3 factors:
- Creation of special grips with inserts
- Automatically controlled pressure in the grips
- developing a specific clamping surface on the hydraulic grips
Modified hydraulic grips also offer the possibility of attaching other accessories to the grips, such as accessories for 3 and 4 point bending, without the need to disassemble them.
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Electromechanical testing machine LabTest 6.600 – Hydraulic grips with side pressure and optical extensometer ONE