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MODEL WDW-20D
COMPUTER
CONTROLLED ELECTRONIC
UNIVERSAL TESTING MACHINE
Application
WDW-20D
is widely
used in tensile, compression, bending and shear tests of metal and nonmetal
materials. With a variety of accessories, it can also be used to test the
mechanical properties of profiles and components. It also has a very wide
application prospect in the field of rope, belt, wire, rubber, plastic and other
materials with large sample deformation and fast test speed. It is suitable for
quality supervision, teaching and scientific research, aerospace, iron and steel
metallurgy, automobile, construction materials and other experimental fields.
Standards
It meets the requirements of GB/T
228.1-2010 <<Tensile
test method for metallic materials at room temperature>> and
GB/T
7314-2005
<<Compression
test method for metals>>,
as well as
ISO 7500-1,
ASTM E4, EN10002-2, BS 1610, DIN 51221, ISO6892,
etc. It conforms to the requirement of
data
processing of GB, ISO, ASTM, DIN and other standards.
Main machine structure
The main
machine
adopts double space portal structure, with upper space stretching, lower space
compressing and bending. The crossbeam is stepless lifting. The transmission
part adopts arc synchronous toothed belt, and the lead screw pair drives, with
stable transmission and low noise. The specially designed gear belt speed
reduction system and precision ball screw pair drive the moving beam of the
testing machine to move, realizing no gap transmission.
Accessories
Standard
configuration: a set of wedge
tensile testing attachment and
compression testing attachment.
Electrical measurement and control system
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Using
stepping motor (AC
servo system and servo motor are
optional),
stable and reliable performance, with over-current, over-voltage, over
speed, overload and other protection devices.
-
It has
the functions of overload, over-current, over-voltage, upper and lower limit
of displacement and emergency stop.
-
The
built-in controller ensures that the testing machine can realize the control
of beam displacement and other parameters, and realize constant velocity
displacement..
-
At the
end of the test, it can return to the initial position at high speed
manually or automatically.
-
The
real physical zero adjustment, gain adjustment and automatic shift, zero
adjustment, calibration and disk saving of test force measurement are
realized without any analog adjustment link, and the control circuit is
highly integrated.
-
Electrical control circuit reference international standards, in line with
the national testing machine electrical standards, strong anti-interference
ability, to ensure the stability of the controller, experimental data
accuracy.
-
With
network interface, it can transmit, store, print and record data, and
connect with intranet or Internet.
Description of main functions and features of the software
The software is used for testing various metals and nonmetals (e.g. wood-based
panel) by microcomputer controlled electronic universal testing machine. It can
complete real-time measurement and display, real-time control and data
processing, result output and other functions according to the corresponding
standards.
-
Sub
authority management, different levels of operators have different operation
authority, the menu can be operated is also different, not only the ordinary
operator operation is simple, convenient, fast, but also effectively protect
the system.
-
Real
time measurement and display of test force, peak value, displacement,
deformation and other signals.
Real-time
acquisition and control under
Windows platforms
such as Win
XP, Win 7 & Win 10, etc.
Accurate
timing and high-speed sampling are realized.
-
The
real-time screen display of load deformation, load displacement and other
test curves is realized, and the observation can be switched at any time.
-
The
computer storage, setting, loading and other functions of test parameters,
zero setting, calibration and other operations are carried out from the
software, and each parameter can be conveniently stored and transferred in,
so that a host with multiple sensors can be easily switched, and there is no
number limit.
-
It
supports the constant velocity displacement control mode, and gives the
standard reference curve in the process of debugging parameters by advanced
operators, so that users can actually observe the influence of various
parameters on the effect.
-
Human
computer interaction was used to analyze the data. The processing method can
meet the requirements of GB/T 228-2010 metallic materials tensile test at
room temperature, which is widely used. It can automatically calculate the
elastic modulus, yield strength, specified non proportional elongation
strength and other performance parameters. It can also manually intervene in
the analysis process to improve the accuracy of analysis. It can also
process other data according to the standards provided by users.
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The
test data is stored in text file to facilitate users' query, and
reprocessing the test data by using any general commercial report and word
processing software. At the same time, it is convenient to transfer data on
the Internet.
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It can
record and save the data curve of the whole process of the test, and has the
demonstration function to realize the reappearance of the test curve. It can
also be used for curve superposition and comparison, which is convenient for
comparative analysis.
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The
test report can be printed in the format required by users. Users can choose
the basic information of report output and the content of test results and
curves to meet various needs.
-
The
digital zero adjustment and automatic calibration of test force and
deformation are realized, which facilitates the operation and improves the
reliability of the machine. All kinds of parameter system settings are
stored in the form of file, which is easy to save and restore.
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It can
be used in Win
XP, Win 7 & Win 10 and
other operating systems. The control of test process, the change of moving
speed of beam and the input of parameters can be completed by keyboard and
mouse, which is convenient and fast.
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It can
automatically identify and support external inching control, which makes it
convenient to clamp the sample.
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With
overload protection automatic stop function, and can automatically judge the
sample fracture, automatic stop.
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According to different user requirements, the above software functions will
be increased or decreased or adjusted.
Software and software operation interface
1. The software can be used in
Windows XP / Window 7 / Windows 10, and the user interface presents a similar
style as Windows system.
2. Control mode.
3. Report editor:
4. There are many kinds of test
methods to choose from
5. The software has three levels of
management authority, which are logged in by their respective passwords to
further ensure the safe use of the software.
Main technical specifications:
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Max
Test Load:
20KN
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Accuracy level:
Level 1 (Level
0.5 optional)
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Measurement
range of test force:
less
than 2%
~
100%
F·S (no
grading in the whole
scale)
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Accuracy
of force value: better
than ± 1% / ± 0.5% of indication
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Relative
error of test force indication: less
than ± 1%
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Resolution
of test force:
1/300000 of the max. test
force
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Deformation measurement range (with large deformation extensometer):
10-1000mm
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Accuracy
of deformation measurement: better
than ± 1% / ± 0.5% of the indicated value
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Relative
error of deformation indication: less
than ± 1%
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Deformation resolution: 1/300000
of the maximum deformation (mm)
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Displacement
accuracy: better
than ± 1% / ± 0.5% of the indication
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Relative
error of displacement indication: less
than ± 1%
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Displacement resolution:
0.001mm
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Speed
range: 0.001
~ 500mm / min, stepless
speed regulation
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Speed
accuracy:
less
than ± 1% of the indicated value
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Tensile space:
800mm (customizable)
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Compression space:
800mm (customizable)
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Test
width:
400mm
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It can be equipped with the
fixtures such
as
tensile,
compression, bending, shearing, peeling, tearing, etc.
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Overall
dimension of main machine: 770 x 500 x 1710 mm
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Main machine net weight:
280 KG
System configuration
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Main machine frame:
1 set
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Deceleration system:
synchronous
toothed belt,
1 set
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Rolling
ball screw pair: 2 sets
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Load
sensor:
20KN,
1 pc.
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Computer:
HP
commercial PC,
1 set
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Printer:
ink jet
printer,
1 set
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Software
and control system:
1 set
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Attached tools, documents,
operation
& installation
manual, etc.:
1 set
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Standard
accessory:
Wedge tensile
testing attachment, (choose 2 pairs
from the following):
Flat jaw:
0~7mm, 7~14mm, Round jaw:
Ф 4~9mm,
Ф 9~14mm
Compression testing attachment: Pressure plate diameter
Ф 100mm,
1 pair
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