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WAW Microcomputer Controlled Electro-hydraulic Servo Universal Testing Machine
1.      Applications and Features:
WAW Microcomputer Controlled Electro-hydraulic Servo Universal Testing Machine adopts the cylinder underneath type main engine, use a load cell to measure force. The machine configured Italian oil pump unit generator system, oil source and independent low noise clamping oil source. Use Digital program-controlled amplifier to achieve all sorts of model of the closed-loop control such as constant force, constant stress, constant deformation, constant speed, etc. In addition, this machine could accomplish metal and nonmetal materials tensile, compression, bending and shear tests. The machine can get parameter automatically, such as tensile strength, yield strength and elastic modulus E according to GB/T228 "metallic materials tensile test at room temperature method”.
 
2.      Main technical parameters:
 

Model
WAW-100
WAW-300
WAW-600
WAW-1000
WAW-2000
WAW-3000
Maximum test force
100kN
300kN
600kN
1000kN
2000kN
3000kN
Host structure
Two column
Two column
Four column
Four column
Four column
Four column
Indication accuracy
±1% or ±0.5%
Load resolution (KN)
1/300000
Effective measurement range (KN)
 
2%~100%
Deformation  accuracy
Better than ±0.5%
Deformation Resolution (μm)
2
Displacement indication Accuracy
Better than ±1%
Stress control speed (Mpa / s)
1~45
Strain control speed (mm / s)
0.001~0.5
Displacement control speed (mm / s)
0.02~3
Testing space
 
Stretching space (mm)
600
600
600
650
750
800
Compression space (mm)
550
550
550
580
650
700
effective width(mm)
460
460
500
520
650
750
Cylinder(mm)
200
200
250
250
250
250
Host
Size(mm)
hydro-cylinder underneath type (Double space)
720×580
×1770
720×580
×1770
800×620
×2050
860×660
×2170
950×620
×3000
1100×750
×3100
hydro-cylinder placed up type(Single space)
850×540
×2600
850×540
×2600
980×640
×3100
1100×720
×3700
1300×900
×4300
1300×900
×4300
Round sample size(mm)
Φ5~Φ20
Φ10~Φ32
Φ13~Φ40
Φ20~Φ60
Φ20~Φ80
Φ20~Φ100
Flat sample size (thickness × width mm)
0~15×75
0~15×75
0~30×80
0~40×110
10~60×120
10~80×120
Total power(kw)
2.1
2.1
2.3
2.3
3.5
5
Voltage
 220V and 380V ( Can configured with national standard voltage)
Weight(kg)
1500
1500
2500
3100
5000
6500

 
3. Functions
(1) Automatic computer servo control function
●Automatic control, measure, data collection and processing, draw and print the test curve and report
● Observe and control system can automatic calibration and zero set.
● Stepless speed regulating, in the study it can be arbitrary smooth transition and maintain the same speed.
● Data storage and curve amplifier. In the study can be arbitrary show different test curve.
● During the automatic operation process, it can change to artificial control.
● Have automatic protection function, the protection range can be set in a random manner.
 
(2) Microcomputer system: Use the Lenovo brand microcomputer as host machine to finish the testing setting setup, data acquisition, display and print test results etc(include: main engine, 17 "LCD and large capacity hard disk); equipped with KQL-PowerTest2001 in English and Chinese version which is intelligent test software packages; Can provide standard measurement and judgment of performance parameter for all kinds of material, add up and processing the data; output various requirements of the test report and test format curve.
 
(3) Computed mode: Hand valve operation, and equipped with manual control operation box, contains 6 buttons (rise,fall, upper clamping, bottom clamping, upper loosen, bottom loosen), the operation more convenient, safe and reliable.
 
(4) Safety protection: Equipped with oil cylinder protection system, overload autostop system, overcurrent outostop system and emergency switch protect function.
 
4. Advantages:
(1) Use manual and automatic operation to raise the working efficiency.
(2) Adopt spoke structure loading sensor. It has the advantage of high precision and stable performance.
(3) Equipped with Italian oil cylinder protection system, low noise and stable oil.
(4) Hydraulic sealed with double sealing structure, effectively prevent the leakage of oil and oil leakage.
(5) Configured Clamp mouth protection board, this could effectively prevent the splint of clamp mouth scratched.
(6) Equipped with Universal Ball Head Institution, this could be automatically adjustable cores, and to ensure the sample clipped absolutely right.
 
5. Disadvantages: