High and low temperature electro-hydraulic servo dynamic static rigid fatigue testing machine

High and low temperature electro-hydraulic servo dynamic static rigid fatigue testing machine

Product Name:High temperature fatigue testing machine

Product Model:PWS-50H

OneOverview of Series Products:

PWSThe series electro-hydraulic servo dynamic and static universal testing system is one of the series of dynamic fatigue loading testing system products developed by our company. This series of products has the characteristics of wide output force range, high control accuracy, easy use, and high reliability. This series of experimental systems is designed based on the technology of electro-hydraulic servo dynamic testing machine and combined with the actual usage conditions of domestic users during the research and development process. The key components such as servo actuators, constant pressure servo oil sources, and loading frames are designed and manufactured by our company. Key purchased parts such as servo valves, sensors, and seals are all selected from international mainstream models, greatly improving the stability and reliability of the system. The overall performance of the testing machine is comparable to the technical level of the product.

This testing system can perform dynamic high and low cycle fatigue tests, program-controlled fatigue tests, as well as static tests under constant rate, constant strain, and constant stress control, and various conventional mechanical performance tests. It can also perform fracture mechanics tests, as well as fatigue life, crack propagation, fracture toughness performance tests, safety evaluation of actual specimens, and working condition simulations of materials or components in a broad range. By replacing attachments, it can also perform fatigue and static mechanical performance tests on various structural components, parts, and assemblies. Therefore, it has unparalleled advantages over any other type of testing machine and is the most highly regarded material testing equipment in the international fatigue mechanics research field

Main unit parts of the experimental system:

l50Kn high stiffness host: 1 set;

l21MP, 90L/min, 120L/min, 170/min constant pressure servo pump station (oil source): 1 set;

lMTSD900 full digital servo control system: 1 set;

lMTSDP single channel dynamic and static test software package: 1 set;

lMeasurement related sensors1 set (force, displacement)

lCompressed attachments:1 set;

lCustomized tooling for pipe segments and grooves1 set (designed based on product drawings provided by the user)

lComputers and printers:1 set;

lPipelines, accessories, tools, etc.:1 set;

lhigh-temperature furnace a set

2、 The main technical indicators of the system.

1. Test force unit:

lLarge dynamic and static test force:±50KN；

lEffective measurement range: no grading throughout the entire process1%—100%FS；

lStatic test force indication accuracy: less than±0.5%； Accuracy of dynamic test force indication: less than ± 1.0%;

lTest force average load fluctuation: less than±1%；

lDynamic load fluctuation of experimental force: less than±1%；

2. Displacement unit:

lLarge displacement of the system: not less than± 75mm (total travel not less than 150mm);

lDynamic and static indication accuracy:±0.5%FS；

3. Indicator of actuator:

lEffective stroke of actuator: not less than± 150mm (total travel not less than 200mm);

lHigher work pressure:21MPa；

lLarge experimental force±10KN； ±20KN； ±50KN； ±100KN；

lFront flange connection, installed above the upper crossbeam

5. Test frequency and amplitude: 0.1-30Hz; (Different amplitude frequency characteristics can be selected to match different flow hydraulic stations)

6. Main test waveforms: sine wave, square wave, triangular wave, oblique wave, half sine wave, half triangle wave, various combination waveforms.

7. Experimental equipment;

Customize fixtures based on the size of the specimen and the testing method for the auxiliary equipment;

Equipped with a prestressing adjustment ring to eliminate gaps;

8. Compressed attachments:

lPressure plate diameterφ150mm

lMatching design with base and sensor connectors

9. Hydraulic oil source parameters:

lStress21Mpa；

ltraffic90L/min、120L/min、170/min

lPower:380V 22kW

lNet capacity of fuel tank260L；

amplitude-frequency characteristic

10. Main indicators of the controller

lFull digital closed-loop control, capable of collecting signals for full digital processing at willPID control. Closed loop control frequency up to 10kHz;

lDirectly integrated servo valve drive unit (both secondary and tertiary servo valve drives are available);

lBuilt in signal generator frequency range:0.001-600Hz， Frequency resolution: 0.001Hz;

lControl waveforms: sine wave, triangular wave, square wave, oblique wave, sawtooth wave, random wave, and can achieve combined output of various waveforms.

lControl mode: force, displacement, deformationPID closed-loop control, and can achieve smooth and disturbance free switching of any control mode;

lThe system has functions such as sensor calibration and reset;

lEquipped with comprehensive hydraulic control functions, such as controlling the opening of the pump station/Stop, high/low voltage switching, etc;

lProvide multiple interface boards to match various sensors and drive units.

labelHigh and low temperature electro-hydraulic servo dynamic static rigid fatigue testing machine