PLS series dynamic and static Electro-hydraulic servo testing machine is produced according to the dynamic servo test technology, and utilizes the design methods of unitization, standardization and modularization, which enhance the stability and reliability of the system. The machine is mainly used for the dynamic and static mechanics performance tests to material and parts, equipped with corresponding accessories, it can do tensile, compression, low cycle and high cycle, crack growth tests and other mechanics tests for various kinds of materials, and it widely used in the fields of aviation and aerospace, ship-making and military industries.
Testing Standard: ISO7500-1;
Model PLS-20 PLS-50 PLS-100 PLS-250 PLS-500 PLS-1000
Max. load (KN) 20 50 100 250 500 1000
Measuring accuracy Load ≤±0.5/1 from 2%-100%of F. S.
Displacement ≤±0.5/1 of F. S.
Frequency (Hz) 0.05-50 0.05-30
Amplitude (mm) ±75
Load frame Dual columns with actuator on the top or the bottom. Four columns with the actuator on the bottom
Diameter of piston (mm) φ63 φ105 φ180 φ250 φ300
Space between columns(mm) 500 600 715 840×500 930×590
Test space(mm) 650 750 1200 1500 1500
Weight(kg) 1100 1400 2100 3600 3900
Specimen clamping Hydraulic
Test space adjusted Hydraulic clamping and crosshead moved by actuators