WDW-200 Dynamic and Static Stiffness Testing Machine

Product details

The main unit of the test system

Ø20 kN high stiffness main engine: 1 set;

Ø 21MP, 20L/min constant pressure silent servo pump station (oil source): 1 set;

Ø Dailong 900 full digital servo control system: 1 set;

Ø DynPack dynamic and static test software package: 1 set;

Ø Measuring 1 set of related sensors (force and displacement)

Ø Compression accessories: 1 set;

Ø Computer and printer: 1 set;

Ø Pipeline, fittings, tools and so on: 1 set;

The main technical indicators of the system

1. Test force unit

Ø Maximum dynamic and static test force: ±20KN

Ø Effective measurement range: 2%-99% FS for the whole process

Ø Static test force indication accuracy: less than ±0.5%; dynamic test force indication accuracy: less than ±1.0%

Ø Average force fluctuation of test force: less than ±1%

Ø Test force dynamic load fluctuation: less than ± 2%

         2. Displacement unit

Ø Maximum displacement of the system: not less than ±75mm (the total stroke is not less than 150mm)

Ø Dynamic and static indication accuracy: ±0.5% FS

         3. Actuator index

Ø Effective stroke of the actuator: not less than ±100mm (the total stroke is not less than 200mm);

Ø Maximum working pressure: 21MPa;

Ø The maximum test force is ±20KN;

Ø Front flange connection, installed above the upper beam

         4. Test frequency and amplitude: 0.1 ~ 35Hz; ± 1mm.

         5. The main test waveforms: sine wave, square wave, triangle wave, ramp wave, half sine, half triangle, loss angle test and other combinations of waveforms.

         6. Test tooling

  The tooling is customized according to the size and test method of the test piece

Pre stressed adjustment ring to eliminate clearance.

         7. Compression accessories

Ø Pressure plate 100×100mm (can be customized according to customer samples)

Ø Designed with base and sensor connector

         8. Hydraulic oil source parameters

Ø Pressure: 21Mpa;

Ø Flow rate: 20L/min;

Ø Power: 380V 10kW

Ø The net volume of the fuel tank is 100L

        9. Main Indicators of Controller

Ø  Full digital closed-loop control, which can collect signals for all-digital PID control. Closed loop control frequency up to 10kHz;

Ø Direct integration of servo valve drive unit (two or three servo valve drives are available);

Ø Built-in signal generator frequency range: 0.001-600Hz, frequency resolution: 0.001Hz;

Ø Control waveform: sine wave, triangle wave, square wave, ramp wave, saw tooth wave, random wave, and can realize the combined output of various waveforms.

Ø Control mode: Force, displacement, deformation PID closed-loop control, and can realize smooth and bump less switching of any control mode;

Ø The system has functions such as sensor calibration and zero clearing;

Ø Complete hydraulic control functions, such as: control pump station on/off, high/low voltage switching, etc.;

Ø Provide a variety of interface boards to support various types of sensors and drive units.

         10. Software system

          It is used in conjunction with Dailong 900 control system. Because the software covers a wide range of test standards, flexible use, data import and export is convenient and fast, so it is particularly suitable for the use of various scientific research institutions. The main functional characteristics are as follows:

Ø Based on WinXP/Win7 working platform development;

Ø Integrate all kinds of dynamic and static test functions and integration.

Ø Highly integrated with Dailong 900.

Ø For dynamic test, the test waveform combination of any function can be defined to form the test spectrum and test process, and the test machine can complete various dynamic fatigue test of complex functions.

Ø For static testing, the main international standards in the field of software integration materials testing, and provide GB standard software modules for the Chinese market, powerful, suitable for both scientific research and conventional process research.

Ø Data acquisition, test procedures, data storage, test protection and other functions can be programmed in the form of events to help users complete the test operations of various complex functions.

Ø The fast fatigue test and static test function provided by the software can greatly improve the efficiency of conventional fatigue test and static test.

Ø In addition to the conventional fatigue test, the dynamic stiffness of the rubber workpiece can be tested;

Ø The software system cooperates with the controller to draw various types of curve drawing and data storage that meet the customer's specified requirements while controlling the test system. Complete various types of test management, test report printing and other functions.

         11. Host frame parameters

Ø Dimensions: about 1000mm × 50mm × 2120mm (length × width × height).

Ø Center distance between columns: 550mm.

Ø Maximum adjustable test net space: not less than 600mm.

Ø The column is hard chrome plated and polished.

Ø Upper beam: hydraulic lifting, hydraulic locking.

Ø Total weight: about 1300kg.