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Dynamic and static universal test machine
Summarize
Electro-hydraulic servo dynamic and static universal testing machine is composed of main machine, constant pressure servo pump station, full digital servo controller, control software, Advantech industrial control computer, accessories and pipeline system.
According to the criteria:
ØGB/T3075 “Metal Material fatigue test axial force control method”
According to the need, the necessary auxiliary equipment can be configured for other types of metal, non-metal materials, structural parts, components, assembly into the mobile static fatigue life test.
Dynamic and static universal test machine
Dynamic and static universal test machine
| Maximum dynamic test force | ±10kN |
| the maximum static test force | 10kN |
| test force measurement range | 2%-100%FS; |
| test force value accuracy | ≤±1% (2%-100%FS); |
| the fluctuation of the dynamic indication value of the test force | ±0.5%FS |
| sine wave distortion | ≤1% |
| the maximum displacement of the actuator | ±75mm |
| displacement measurement accuracy | ≤±0.1FS; |
| the main test waveform: sine wave, square wave, triangle wave. | |
| test frequency range | 0.01-30Hz; Amplitude and frequency characteristics: meet ±1mm&30Hz; |
| test accessories | special test accessories 1 set |
| control system: full digital servo control, closed loop control loop, smooth switching during the test | |
| effective test space | height 500mm |
| base size | 890mmx540mmx110mm (length x width x height); |
| column clear distance | 500mm |
| host stiffness | 1.7×108N/m |
| constant pressure servo pump station | 21Mpa,280L/min,110kW,AC three-phase, 50Hz,380V. |
| the main machine dimensions | 890mmx540mmx1800mm (length x width x height) |
| , the main weight | about 1500kg |
| the system protection function is perfect, with overload, over setting, over range, over test parameter setting, pump station over pressure, over temperature, oil blocking and other protection functions | |
Universal testing machine
Description of the main technical unit of the device
1. Host computer
1.1 Host Framework
l four-column main frame, hard chrome plated column, center distance of column: 570mm; Column diameter 70mm.
l Upper beam: hydraulic cylinder lifting, hydraulic cylinder forced locking, elastic release. Test space can be adjusted, the maximum adjustable test net space: 600mm;
l lifting cylinder: 2 sets;
l forced locking hydraulic cylinder: 2 sets;
l Dimensions: 890mmx540mmx1800mm (L x W x H);
l Total weight: about 1200kg;
1.2 Actuators
l is placed on top of the main engine.
l Maximum dynamic and static test force: +/-10kN.
l actuator effective stroke: +/-75mm(total stroke 150mm);
l double rod piston structure. Sealing method: guide ring + servo seal ring (all components imported from PARKER).
l actuator equipped with hysteresis displacement sensor (MTS/ Germany import), external electro-hydraulic servo valve.
l electro-hydraulic servo valve: 21Mpa,14L/min, domestic;
l actuator amplitude limit position design hydraulic buffer to avoid running out of control damage;
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