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WAW-D series microcomputer control electro hydraulic servo universal testing machine

 WAW-300D/WAW-600D/WAW-1000D/WAW-2000DMicrocomputer controlled electro hydraulic servo universal testing machine  



Name:WAW-D series microcomputer control electro hydraulic servo universal testing machine

Model:WAW-300D WAW-600D WAW-1000D WAW-2000D

category:Microcomputer controlled electro hydraulic servo universal testing machine Hydraulic universal testing machine


Place of origin:Jinan



  product overview:
  WAW-D series microcomputer controlled electro-hydraulic servo universal testing machine can be divided into WAW-300D WAW-600D WAW-1000D WAW-2000D four types of, mainly used for metal materials tensile, compression, bending, and other mechanical properties test, simple attachment increased after detection of cement, concrete, brick, tile, rubber and rubber products。
  This machine by the four column double screw cylinder set type high strength host and banjo type oil source control cabinet, the oil pump adopt the odd Matsu, Italy imported low noise high performance gear pump. The drawing space is located at the top of the main machine, and the compression and bending test is located between the middle beam and the working platform. The adjustment of the test space is realized by moving the middle beam, and the cross beam is driven by a chain. Computer full automatic closed loop control high performance electro-hydraulic proportional servo valve to complete the tensile, compression, bending and other test of all kinds of materials. After the experiment, the experiment results of FM, REH, REL, RPO.2, RP1, RM and elastic modulus E of the material were taken.。

  Function introduction:

  1、Special ultra thick jaw seat in the jaw clamp specimen, the jaw is completely contained in the jaw seat body, the sample clamping is more reliable, put an end to the due to jaw base shallow is trumpet shaped deformation possible damage, greatly improving the service life of the equipment。
  2、The jaw seat and the jaw clamping increased abrasion resistant lining board, put an end to the tensile metal oxide skin fall into, resulting in jaw seat slope scratch phenomenon, the clamping process more smooth, more reliable。
  3、With the constant stress and constant strain, displacement, tension control, constant speed program editor and other control, various control modes can be arbitrary smooth switching during the experiment。
  4、Measurement and control software based on Chinese WindowsXP operating system platform, with faster running speed, moderate interface, menu, mouse operation, with more sample information input mode, can meet the needs of different materials of the test. For samples with the same conditions of the first batch input automatically, also can be made conditional template。
  5、Automatic storage of sample information, test data, test curve, etc. after the test is completed automatically。
  6、Automatically switch to the appropriate range according to the size of the test force or material deformation to ensure the accuracy of the test data。
  7、Test data (test force, displacement, deformation) loading state and test curve with the test process dynamic real-time screen display。
  8、According to the actual need, we can choose the stress - strain, force - displacement, force - time, displacement - time curve for display, analysis and printing.。
  9、With automatic and manual analysis of the results of the two models, the mouse can only be applied to find the corresponding point of the test results on the test curve。
  10、According to the actual needs of users can edit the standard text report format or EXCEL text report forms.
  11、When the load exceeds the full range of 2%-5% automatic overload protection shutdown
  12、Can automatically check all relevant historical records according to the condition of the sample, test date and test data.
  13、Software reserved database interface, convenient in the laboratory between the local area network, to facilitate the management of experimental data。

  WAW-D series microcomputer control electro hydraulic servo universal testing machine technical parameters:







Host structure

Four column double screw rod oil cylinder lower set type high strength host structure

Maximum test force


600 kN

1000 kN

2000 kN

Test machine level


Range of test force measurement


Relative error of test force

Indicating value±1%

Force resolution


Deformation measuring device

Electronic extensometer

Deformation indication

relative error

Indicating value±0.5%

Displacement measuring device

Photoelectric encoder

Displacement indication

relative error

Indicating value±1%/±0.5%

Displacement resolution


Maximum moving speed of piston

0.2-70mm/min)Stepless speed regulation

Beam adjustment speed


Piston Max stroke


control mode

Three closed loop control and program control

Effective tensile space


Effective compression space


Column spacing




clamping system

Hydraulic automatic clamping

Diameter of circular specimen





Thickness of flat specimen





Width of flat specimen





The next size


Bending roll spacing

600 mm

Bending roll width


safety protection devices

Mechanical limit protection and software overload protection

Size of Monochromator(mm





Host power




Oil source control cabinet outline dimensions(mm





Control cabinet power supply

1.5 KW

1.5 KW

2.2 KW

3 KW

Host Weight





  Further reading:

  Common error of WAW-D hydraulic universal testing machine
  1、Hydraulic system error: error to change certain value or certain laws. System error is the rule, this rule in every detail of the experiment, find the law, can be amended。
  Cause analysis:
  aWAW-D hydraulic universal testing machine is not allowed to show the value, the measured value is always too large or too small。
  b.The error of the coefficient of the instrument panel when the strain gauge is measured by the resistance strain gauge。
  2、Error: due to the error in the experimental work, the error caused by other reasons. This error is not regular, the need to repeat the core of each other can be prevented。
  Cause analysis:
  The WAW-D hydraulic universal testing machine operation error, experimental personnel wrong data records, records and other reasons.。
  3、Random error: that is, in the same conditions, the same parameter repeated repeated measures, the resulting value can not be the same as the same。
  Cause analysis:
  aDuring the experiment, the variation of the friction force in the testing machine.
  b.Environmental humidity and other changes
  WAW-D series hydraulic universal testing machine installation process
  Open WAW-D hydraulic universal testing machine host power switch and hand control box switch. Dial the pointer to the maximum reading point and calibrate it. According to “ take place ” the pendulum swing from the button, pop-up safety pin. The standard specimen is put in the impact test machine working nip, and samples on the centring device, ensure the combat center not eccentric. Testing machine placed: hydraulic universal testing machine body and dynamometer device does not demand special foundation, only according to foundation drawing prepare common ground and leave holes of anchor bolts pouring solid can.
  Find the degree of position WAW-D testing machine of the: subject degree of hydraulic universal testing machine, the degree instrument is put in the outer circle of the cylinder according to the base aspect two position and degree of direction to find good degree, with a precision in 0.10/1000 mm of Cheng Duyi find & plusmn; 1 case, unusual on the lower base surface plus pad iron to adjust. Dynamometer hydraulic universal testing machine has two holes on the top of Yibei again when the wire rope wear device. The dynamometer degree is very important, so that the left side of the swing rod reticle alignment and specification for board level。


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