Microcomputer controlled electronic testing machine (tensile machine)

1、 Introduction:

The WDW series microcomputer controlled electronic testing machine is suitable for tensile testing of materials such as rubber, plastic, textiles, waterproof materials, wires and cables, mesh ropes, hard alloys, metal wires, metal rods, metal plates, etc. It can also be used for compression and bending testing with additional accessories.

2、 Application area:

The testing machine uses stepper or AC servo motors as power sources; Adopting advanced chip integration technology and a professionally designed PCI data acquisition amplification and control system, the amplification of experimental force and deformation, as well as the A/D conversion process, have achieved fully digital adjustment. This machine can perform mechanical property testing and analysis research on various metals, non metals, and composite materials. It is widely used in aerospace, petrochemicals, machinery manufacturing, wires, cables, textiles, fibers, plastics, rubber, ceramics, food, pharmaceutical packaging, aluminum-plastic pipes, plastic doors and windows, geotextiles, films, wood, paper, metal materials, and manufacturing industries. It can automatically obtain large test force values, fracture force values, yield strength, upper and lower yield strength, tensile strength, compressive strength, fracture elongation, tensile modulus, bending modulus and other test data according to GB, JIS, ASTM, DIN, ISO and other standards.

3、 According to the standard:

The configuration of relevant auxiliary equipment meets the standards of GB/T228-2002, GB/T228-2010 "Tensile Test Method for Metallic Materials at Room Temperature", GB/T7314-1987 "Compression Test Method for Metals", GB/T2232-2010 "Bending Test Method for Metals", GB/T9341-2000 "Bending Performance Test Method for Plastics", GB/T2568-1995 "Tensile Test Method for Resin Castings", GB/T1040-92 "Tensile Performance Test Method for Plastics", GB/T1041-1993 "Compression Performance Test Method for Plastics", GB/T 9341-2000 "Bending Performance Test Method for Plastics", GB/T 25042-2010 "Fiberglass Building Membrane Materials", and conforms to data processing of various standards such as GB, ISO, ASTM, DIN, etc. Can be manufactured according to user requirements and provided standards.
GB/T16491 "Electronic Testing Machines";
GB/T2611 General Technical Requirements for Testing Machines;
GB/T6825.1 "Inspection of static uniaxial testing machines - Part 1: Inspection and calibration of force measuring systems for tensile and/or compressive testing machines";
JB/T6146 "Technical Conditions for Stretchers";
JJG475 "Verification Regulations for Electronic Testing Machines"

4、 Key description:

1. Host: The machine adopts a gantry floor standing dual space structure, which can be pulled up and pressed down, and the horizontal beam can be raised and lowered without speed regulation. After replacing the column, screw, and outer cover, the test space can be changed. The transmission system consists of a low-noise circular arc synchronous toothed belt reduction system and a ball screw pair, which runs smoothly, has high efficiency, low noise, and no pollution.
2 attachments:
Standard configuration: lever type stretching attachment and compression attachment each. The stretching attachment adopts manual clamping method, which is convenient, reliable, and does not slip. During the clamping process, the jaws do not move, and the clamp moves up and down. The sample is not subjected to additional force, ensuring the accuracy of the test results.

5、 Function Introduction:

a) This machine adopts a built-in controller, ensuring that the testing machine can achieve constant velocity displacement control.
b) Adopting stepper or AC servo motors, the performance is stable and reliable, with protection devices for overcurrent, overvoltage, overspeed, overload, etc. The speed ratio can reach 1:10000.
c) The electrical control circuit follows international standards and complies with the electrical standards of the testing machine. It has strong anti-interference ability, ensuring the stability of the controller and the accuracy of experimental data.
d) Automatic shifting: automatically switches to the appropriate range according to the load size to ensure the accuracy of measurement data; It has achieved true physical zeroing, gain adjustment, and automatic shifting, zeroing, calibration, and saving of test force measurement, without any analog adjustment links, and highly integrated control circuit
e) Conditional storage: Test control data and sample conditions can be modularized, facilitating batch testing;
f) Automatic transmission: The speed of moving the crossbeam during the test can be automatically adjusted according to a pre-set program or manually adjusted;
g) Automatic calibration: The system can automatically calibrate the accuracy of the displayed values;
h) Automatic saving: After the experiment is completed, the experimental data and curves are automatically saved;
i) Process implementation: The experimental process, measurement, display, and analysis are all completed by a microcomputer;
j) Batch experiment: For samples with the same parameters, they can be sequentially completed after one setting;
k) Experimental software: Chinese WINDOWS interface, menu prompts, mouse operation;l) Display mode: Data and curves are dynamically displayed during the experimental process;
m) Curve traversal: After the experiment is completed, the curve can be reanalyzed, and the experimental data corresponding to any point on the curve can be found with the mouse;
n) Curve selection: Stress strain, force displacement, force time, displacement time and other curves can be selected as needed for display and printing;
q) Test report: The report can be prepared and printed in the format required by the user; Equipped with a network interface, it can transmit, store, print records, and perform network transmission printing of data, and can be connected to the internal LAN or Internet of the enterprise.r) Limit protection: It has both programmable and mechanical limit protection;
s) Automatic shutdown: After the sample breaks, the moving crossbeam automatically stops;
t) Overload protection: When the load exceeds 3-5% of the maximum value of each gear, it will automatically shut down;
The experimental results are obtained in both automatic and manual modes, and a report is automatically generated to simplify the data analysis process.

6、 Main technical indicators:

model	WDW
Main technical parameters	10	20	50	100	200	300
structural form	gantry
*Large test force (KN)	10	20	50	100	200	300
Operation method	microcomputer control
Range of force measurement	*2% -100% of the large experimental force
Accuracy of experimental force	± 1% better than the indicated value
Deformation display error	± 1% (or ± 0.5%)
Experimental power * small resolution	0.01N
横梁位移精度	±1%(±0.5%)
Deformation accuracy	Better than ± 1% (± 0.5%)
speed regulation range	0.01-500/200mm/min
Test itinerary	>700m (customizable according to customer needs)
Test width	400mm
Experimental space adjustment mechanism	Servo motor, synchronous belt drive
appearance	Compliant with GB/T2611 standard
protection function	Overload protection, limit protection
power supply	220V			380V
Weight (approximately kg)	400	500	600	1300		2000
working environment	Room temperature -35 ℃, humidity 20%~80%
Fixture form	According to customer requirements, configure appropriate fixtures. Special fixtures can be customized according to customers

7、 Main configuration:

i) One 20kN gantry floor standing high-strength testing machine host (including a dazzling gold aluminum alloy shell);
j) One set of high-strength clamping tensile attachments (clamping width ≥ 75mm);
k) One set of high-strength compression attachments (Φ 100mm);
l) Taiwan Dongyuan AC servo speed control motor and system;
m) Low noise circular arc synchronous gear belt reduction system;
n) Two sets of ABBA precision ball screws from Taiwan (installed in the main unit);
o) One high-precision 20KN load sensor;
p) One high-precision 2000 line photoelectric encoder;
q) One Lenovo brand computer (2GB memory, 500GB hard drive, 18.5-inch LCD screen display);
r) One HP inkjet printer;
s) One set of fully digital adjustment data acquisition board;
t) One set of Windows compatible control software.

8、 Operating procedures:

Operating Procedures for Electronic Testing Machines
Preparation process:
Reliable grounding of testing machine
Check whether the sensor meets the test requirements and whether it needs to be replaced to avoid damaging the sensor due to excessive testing force
Open the computer, run MaxTest software, switch to the mobile crossbeam interface (marked as ① in the figure), turn on the power of the testing machine host, select a speed of 10mm/min, and click on the software to rise and fall. Confirm that the testing machine is functioning properly
Experimental process:
New sample information (marked as ② in the figure)
Zero the test force (marked as ③ in the figure) and prepare to start the test
Adjust the test bench to a convenient clamping or bending test position by clicking on the up and down buttons. If using an extensometer, confirm that the "Remove the extensometer" button (marked as ④ in the figure) pops up, clamp the extensometer properly, and reset the deformation (marked as ⑤ in the figure)
Set the loading rate according to the testing requirements of the relevant industry, click the MaxTest test start button (marked as ⑥ in the figure), and immediately remove the extensometer after yielding to end the test. Remove the specimen, clean the residue on the specimen, and continue the test. Repeat the above test process

9、 After sales service:

1. If there is a quality issue with the product and objections are raised within 7 days of sale and the product is not damaged, our company is responsible for unconditional free returns and exchanges;
2. This product comes with a nationwide warranty, with a warranty period of 1 year;
3. If there are any product quality issues during the warranty period, free repairs will be provided; Provide long-term technical support beyond the warranty period;
4. For all product after-sales issues, please contact our company directly. Our after-sales service team will respond and handle them within 30 minutes.

10、 Data download: