1、 The main features of WWA-100KE (100kN) horizontal tensile testing machine are:
Chinese Windows operating interface, simple and convenient mouse operation;
The 2007 new version of electrical appliances has safer and more reliable system functions;
Two level limit protection, overload automatic protection, safe and reliable test operation;
Equipped with a manual control box for easier operation;
High precision A/D converters are used for load deformation, which can achieve full range without grading;
Microsoft Access standard database management, built-in user software design interface, more convenient for self functional expansion, and more suitable for users of different levels to use;
Standard serial port data transmission, no hardware needs to be added to the computer, making it more convenient for online operation and use.

2、 Accuracy of WWA-100KE (100kN) horizontal tensile testing machine: Level 1
Precision type with three closed loops of force, displacement, and deformation

3、 Introduction to the functions and uses of WWA-100KE (100kN) horizontal tensile testing machine:
This testing machine is capable of stretching and can test and analyze the mechanical and process properties of various metals, wires and cables, steel cables, and other materials. It can be widely used in industries such as petrochemicals, aerospace, machinery manufacturing, wires and cables, etc.
This testing machine adopts a fully digital GT-M210Pro computer measurement and control system. By utilizing 21st century integrated circuit technology, we have achieved industry-leading levels of high integration, high sampling rate, high functionality, and high reliability. An AD converter for high-speed, high-resolution, and high-precision continuous data acquisition without grading; Reaching 500000 sub codes, achieving high precision, wide range, no grading, and unchanged full range resolution; Tested to be better than seven levels of amplification. The displacement measurement applied the 4-quadrant acquisition technology of the photoelectric encoder without any code loss, completely solving the impact of jitter on the signal. The hardware is equipped with three analog input channels using independent "amplification AD converter" circuits for force measurement and deformation measurement, greatly reducing crosstalk during small signals and improving stability; Three input channels of the photoelectric encoder are used, and a high-speed circuit system is adopted to achieve four quadrant acquisition of the photoelectric encoder, enabling position measurement and digital large deformation measurement, completely solving the impact of low-speed jitter or direction change, and increasing resolution by four times; 1 pulse output channel, used for test bench control; Connect one standard RS232 serial port to the main computer; Equipped with EASYDO mobile control box, it has 5 function buttons including up, down, stop, run, and reset, as well as up and down indicator lights on the test bench, making it convenient for users to operate and use.
This machine combines the powerful GT-M210Pro Professional Edition user software package to comprehensively achieve closed-loop control of force value, deformation, and position (referred to as the three closed loops), as well as smooth switching of the three closed loops; Through user script control, even cyclic (fatigue) and arbitrary curve control can be achieved; Control the testing machine to conduct high difficulty experiments. Supporting multiple force sensors, multiple deformation sensors, operation status control, and test parameter input, it can well meet the requirements of testing machine users using different testing methods (such as GB, ISO, DIN, ASTMD, JISK, etc.) to test different materials or finished products. Can perform automatic force value calibration and automatic deformation calibration; It can automatically calculate parameters such as maximum test force value, yield strength, upper and lower yield points, tensile and compressive strength, various elongation (compression) stresses, various elongation (compression) rates, elastic modulus, bending deflection, etc. Capable of curve processing, multi-sensor support, graphical interface, flexible data processing, MS-ACCESS database support, able to display various curves and print test reports. It has functions such as automatic fracture detection and automatic return; It has multiple protection methods to ensure safe and reliable operation of the test.
Introduction to servo control and measurement system
This machine adopts advanced GT-E204B system for control and measurement, computer for data processing, and dynamic display of test process and test curve. After the experiment is completed, the curve can be magnified through a graphics processing module for data reanalysis and editing, and the performance of the equipment has reached a relatively advanced level.
1. This testing machine implements fully digital closed-loop control (three loops) for force, deformation, and displacement. It can achieve constant displacement rate, constant deformation rate, and constant loading rate control during the testing process through PID automatic adjustment. Various control loops can be automatically switched between, and there is no impact switching during switching;
Open loop displacement control: using displacement sampling values as control indicators, in open-loop mode, it only has one velocity parameter, and the displacement direction is determined by the positive or negative of the control velocity, with positive being upward and negative being downward. Suitable for situations where high precision control speed is not required, such as the high-speed breaking process in the final stage of metal tensile testing. Due to its open-loop control, it has a higher response speed;
Closed loop displacement control: using displacement sampling values as control indicators, in closed-loop mode, it has two parameters: control target and control speed. The system will automatically determine the control direction based on the control target value;
Equal speed force control: using force value as the control indicator, closed-loop control;
Constant velocity stress control: using stress values as control indicators, closed-loop control;
Constant velocity deformation control: using deformation value as the control index, closed-loop control;
Constant strain control: using strain values as control indicators, closed-loop control;
2. This testing machine has two-level software and hardware protection functions, which can achieve various safety protection methods such as overload, overcurrent, overvoltage, undervoltage, overspeed, limit, etc. It also has oil temperature protection and filtration protection devices.
3. This testing machine can also achieve complex loading processes through multi-step control, such as trapezoidal waves, triangular waves, and other complex waveforms. For example, stretching to a certain force, holding for a period of time, then pulling to a higher force, holding again, pulling up again, holding again, unloading to a certain force, holding for a period of time, unloading again, holding again, etc;
4. 3 high-speed 32-bit A/D conversion channels, synchronous conversion, programmable conversion rate and overflow, generally 100 times per second, with a maximum effective code value resolution of 250000, achieving no internal or external grading, and the resolution remains unchanged throughout the entire process.
5. By using three pulse signal capture channels and utilizing current four fold frequency doubling technology, the effective pulse count is amplified fourfold, greatly improving the signal resolution. (3 pulse signals are displacement and large deformation signals), with a maximum capture frequency of 5MHz;
6. Hardware parameters can be freely added and modified through software tools.

4、 Servo software performance and characteristics of WWA-100KE (100kN) horizontal tensile testing machine
The GT-E204B user interface supports Windows 2000, Windows XP, real-time curve display and processing through mouse operation, graphical visualization, modular software structure, and data storage and processing based on MS-ACCESS database, making it easy to connect with office software such as OFFICE;
1) The modular structure of large-scale programs transforms curve acquisition, display, storage, and processing, as well as experimental data processing and reporting systems, into independent modules;
2) The experimental data processing (parameter calculation) is directly executed using the full source code and programmed in the BASIC structured web language VBScript, which facilitates the addition and modification of parameter calculations;
3) The report adopts advanced visual programming format and can be previewed on the screen before printing (simulated display). Users can design the report format according to their own experimental requirements and directly output it to EXCEL;
4) Multiple curves: Multiple curves such as stress-strain, load deformation, load time, etc. can be selected, and one or more curves can be displayed in real time. The coordinate axis can be automatically switched or manually switched, and the display curve type can be switched in real time;
5) During the experimental operation, the load value, deformation value, displacement value, peak value, test curve, etc. can be dynamically displayed. It can automatically calculate parameters such as ReH, Rel, Rp0.2, Fm, Rt0.5, Rt0.6, Rt0.65, Rt0.7, Rm, E, etc., and can print the created graphics. The parameters can be freely set;
6) Curve analysis: The curves of the same group of samples can be overlaid and compared. Any segment on the test curve can be locally enlarged for analysis and supports enlargement printing. In addition to enlargement and programming, feature points can also be displayed and modified, and the current test process can be emphasized. The traversal speed is adjustable;
7) Data statistics: automatic generation and storage of experimental plans, automatic storage and statistical analysis of experimental data. Statistical items include mean, maximum, minimum, etc., and corresponding statistical items can be selected for output;
8) Specialization level: The experimental data and results can be modified in various versions, suitable for different customers;
9) Range mode: Full range without gear division
Module unit: Multiple accessories can be flexibly interchanged, and electrical hardware is convenient for functional expansion and maintenance;
Automatic storage: Test parameters, test results, etc. can be automatically stored;
Automatic switching: During the experiment, the displayed curve can automatically change the range according to the size of the test force and deformation;
10) Automatic calibration: Load and elongation can be automatically calibrated according to the added standard values;
11) Continuous testing: The batch parameters can be pre-set and tested continuously, or the batch parameters can be set after continuous testing;
12) Execution standards: Multiple testing standards such as ISO, JIS, ASTM, DIN, GB, etc. can be configured or self-made testing standards can be developed;
13) GT-204B is an open system that supports an increasing number of testing methods. If users want to expand the supported testing methods, they only need to download and run an upgrade file (Update. exe) from the specified website, and then run the "Add Testing Methods" command under the "Tools" menu. The window will list all expandable testing methods, and users only need to click the "OK" button, and the system will automatically complete the upgrade process. If a new experimental method is added, the upgrade process will not affect the old data. If it is a replacement upgrade, it will overwrite the old historical data.

5、 Main technical parameters of WWA-100KE (100kN) horizontal tensile testing machine:
1. Model and specification: WWA-100KE (precision triple loop);
2. Maximum test force: 100kN;
3. Effective measurement range: 4-100 (%);
4. Accuracy of force measurement indication: ≤± 1 (%);
5. Force measurement resolution: ± 1/200000, with no internal or external grading throughout the entire process, and the resolution remains unchanged throughout the entire process;
6. Maximum distance between fixtures: 100000mm (excluding cylinder stroke);
7. Test speed closed-loop control range: 0.1-150 (mm/min);
8. Oil cylinder stroke: 500mm;
9. Accuracy of speed indication: ≤± 0.2 (%);
10. Displacement resolution: 0.1 (mm);
11. Accuracy of displacement indication: ≤± 0.2%;
12. Displacement resolution: 0.15 μ m;
13. Range of force control equal rate adjustment: 0.001% to 5% FS/s;
14. Force control rate control accuracy: When the rate is less than 0.05% FS, it is within ± 1% of the set value; When the rate is ≥ 0.05% FS, it is within ± 0.5% of the set value;
15. Adjustment range of displacement equal rate: 0.1-150mm/min;
16. Displacement rate control accuracy: within ± 1.0% of the set value when the rate is less than 0.01mm/min, and within ± 0.2% of the set value when the rate is greater than or equal to 0.01mm/min;
17. Constant force, constant deformation, and constant displacement control range: 0.5% to 100%;
18. Constant force, constant deformation, and constant displacement control accuracy: within ± 0.1% of the set value when the set value is ≥ 10% FS; When the set value is less than 10% FS, within ± 1% of the set value;
19. Control accuracy: ≤± 0.5%;
20. Power supply AC: 380V/15KVA (with an external transformer),? M-foot 400V, 60Hz);
21. The experimental space can be adjusted;

6、 Equipment standard configuration of WWA-100KE (100kN) horizontal tensile testing machine
1. Host configuration
1) One high-strength horizontal host: (The body frame is made of high-grade cast steel)
2) GT-B204E Three Loop Measurement and Control System Set
3) ATOS servo valve (Alto, Italy) one
As a leader in electro-hydraulic control, ATOS provides you with a complete range of control technologies Through control technology, machines can achieve fast, smooth, and precise motion control
4) One set of Guangzhou Aojin Hydraulic Station system
5) One hydraulic gear pump (Marzocchi, Italy)
MARZOCCHI, an Italian company, was founded in 1961 and has undergone continuous investment and product development. Thanks to years of practical knowledge and experience, Marzocchi can provide users with high-quality products and professional technical support.
6) One high-precision spoke type 100kN load sensor (Zhenhai, Ningbo)
Ningbo Zhenhai Instrument Factory was founded in 1993 and is a specialized manufacturer of various high-precision strain gauges and strain sensors. The main products include 15 major series, 1250 varieties and specifications of resistance strain gauges, three major series, and 300 varieties of weighing, force measuring, and pressure sensors. These products are widely used in fields such as aerospace, chemical fiber, petroleum, machinery, testing instruments, energy, transportation, and construction.
7) Digital displacement sensor (photoelectric encoder): (Nemicon internal control from Japan) one
8) Two filters
9) A set of high-performance motors
10) One Lenovo desktop computer with a 19 inch LCD display
11) One Canon color inkjet printer
12) A set of hydraulic fixtures
13) A set of specialized fixtures for steel wire ropes