WDW-5 microcomputer controlled electronic universal testing machine

WDW-5 microcomputer controlled electronic universal testing machine

1、 Equipment purpose and scope of use
The WDW series microcomputer controlled electronic universal testing machine can perform mechanical property testing and analysis research on various metals, non metals, and composite materials. It is widely used in industries such as aerospace, petrochemicals, machinery manufacturing, vehicle manufacturing, wire and cable, textile fibers, plastic rubber, ceramic building materials, food, pharmaceutical packaging, metal materials, construction engineering, as well as higher education institutions, research institutes, technical supervision, quality inspection stations, etc; According to standards such as GB, ISO, ASTM, JIS, DIN, various high and low temperature tests can be conducted, including tensile, compression, bending, peeling, shear, tear, puncture, burst, and various other tests. The yield strength, tensile (compression, bending) strength, elongation, tensile strength, non proportional strength, elastic modulus, and other parameters of the material can be detected.
2、 Mechanical structure
Single column machine structure:
Three light bars are used to fix the upper crossbeam and workbench. The transmission loading system adopts a fully digital servo motor and driver, which drives a high-precision, gapless screw to move the middle crossbeam up and down through a precision transmission system to transfer the load. It has the characteristics of reasonable structure, high rigidity, smooth loading, and good stability performance.
3、 Technical specifications of testing machine
Main technical indicators:
1. The force sensor is an S-shaped tension compression sensor with an accuracy of 0.05% FS. The system's force measurement accuracy is within the range of 2% to 100% FS, with a relative accuracy of up to ± 1%.
2. The displacement sensor adopts a 1000 track/turn photoelectric encoder and uses 4x technology to achieve a resolution of 2400 tracks/turn (resolution Z can reach up to 0.01mm).
3. The measurement and control system adopts the AD800 testing machine measurement and control system, with the main indicators being:
(1) Three analog input channels are used for force and displacement measurement, with an AD conversion code of ± 120000 (using a high-resolution AD converter for non segmented measurement is better than 4-stage amplification).
(2) A digital output channel with a 1:100 speed ratio, controlled by a servo system for stepless speed regulation within the range of 5-500mm/min.
(3) Three optoelectronic encoding input channels are used for measuring large deformations and displacements, using 4x technology to improve measurement resolution.
(4) A manual control box with 8 buttons (fast up, fast down, slow up, slow down, micro up, micro down, stop, run).
4、 Various technical parameters
1. Z-test force: 5000N
2. Test force measurement range: 0.4% -100% (20N-5000N);
3. Accuracy of test force: better than ± 1% of the indicated value
4. Displacement measurement accuracy: 0.01mm
5. Beam displacement speed: 0.05mm/min-500mm/min stepless speed regulation
6. Speed accuracy better than ± 2% of the indicated value
7. Experimental space (with attachments):
Stretching space greater than 650mm
Compression space greater than 600mm
8. Beam movement stroke (excluding fixtures): 800mm
9. Host power supply: 0.6KW, AC220V ± 10%, 50HZ
9. Working environment: Room temperature 10-35 ℃, humidity 20% -80%
10. Applicable standards GB, ISO, ASTM
11. Software and User Interface: WindoweXP Application Software
12. Dimensions: Approximately 520 × 260 × 1500
13. Host weight: 100kg
5、 Standard configuration
1. Testing machine host1 unit
Including: (a), fully digital servo drive and motor1 set
(b)、 High precision load sensor 50N1 piece
(c)、 ABBA Precision Bead Wire Rod Pair from Taiwan1 set
(d)、 Synchronous belt deceleration system1 set
2. Optical encoder 1000P/R1 piece
3. Lenovo computer (P4, network card, 19 inch monitor) 1 unit
4. A4 color inkjet printer1 unit
5. PC measurement and control dedicated software (tension, compression, bending test software)1 set
6. Stretching aids1 set
8. Technical documentation: including
User Manual and Maintenance Manual (with control system principle and vulnerable parts diagram, etc.)
Operating Software User Manual
Certificate of conformity, packing list
9. Extended configuration: Special large deformation measurement system for testing machine (price quoted separately)
6、 Introduction to Measurement and Control Systems
（1） Circuit Introduction
The SmartTest all digital data measurement and control acquisition card is a microcomputer built-in PCI test card based on the PCI interface, which complies with the PCI2.1 specification. This card can be directly inserted into any PCI slot of the microcomputer, and connected directly to the testing machine through a simple connection to achieve automatic measurement and control of the microcomputer, truly achieving plug and play testing. The SmartTest universal test card integrates functions such as programmable amplification, A/D conversion, digital I/O, counting and pulse width (PWM), square wave generation (SWP), etc. Its system structure is reliable, simple, and has excellent interchangeability.
（2） Technical performance
The entire system adopts digital design, which is safe, stable, reliable, and highly accurate
There are no adjustable components in the entire system, and digital zeroing and automatic calibration of measurement and control parameters are required
The system integrates CPLD computing devices, with high-speed computing capabilities and real-time processing of digital signals
This system adopts the PCI2.1 bus standard, which is easy to expand, upgrade, and achieve "plug and play" functionality
Integrated precision instrument programmable amplifier, automatic shifting and zero detection 3
（3） Software main interface

（4） Software Overview
Based on the WINDOWS operating platform, the software has simple operation, powerful functions, and a human-machine dialogue structure. Adopting standard Windows XP style, easy to operate and learn
2. The software adopts modular design, with independent modules for creating different types of experiments, experiment control, and data analysis, separated from the main program. Can adapt to various types of experimental control and data processing
3. Experimental data can be added by users themselves, with no limit on the number. New experimental records can be created using templates, which is convenient and fast
4. Automatically complete the experimental process, determine the type of damage, and automatically record and save the experimental data. All experimental data are saved in internationally recognized XML format
5. Efficient experimental data management function, capable of quickly querying, loading, and deleting experimental data in multiple ways
6. At the end of the experiment, the system automatically analyzes and summarizes the test results, and the analysis method can be set by the user themselves
7. Flexible report editing function provides users with a dedicated report editing tool for graphic layout, which is easy to learn and can conveniently print test curves and related images and text
8. Users can delete experimental data as needed
9. Users can change the analysis method as needed, and the data can be modified and revised according to their own needs
10. Dedicated database management library module
11. Simultaneously record force time, deformation time, and displacement time test curves, which can be switched and observed at any time, zoomed in and out freely, moved horizontally or vertically, and sampled in real-time at high speed
12. Provide multiple report printing interfaces, allowing users to edit reports in any format as needed
13. The experimental data adopts a standard database management method, which automatically saves all experimental data and curves
During the experiment, the test curve is displayed in real-time. After the experiment is completed, the test data, curve, and specimen information of the specimen will be displayed in this operation window.
（5） Partial national standards or test methods for software integration
This control software now integrates over 100 national standards or testing methods for metals and non metals, which can meet customers' diverse testing needs. The testing report methods can be customized and updated according to customers' needs at any time, which can bring great convenience to customers.
（6） Data query window
Historical experimental data can be queried in the database, and by entering certain conditions, the experimental data can be immediately found.
（7） Automatic calibration window
The force value and deformation can be automatically calibrated. After our debugging is completed, if the user feels that the displayed values are inaccurate or the measurement and control parameters have been changed, they only need to click the automatic calibration button, and the system parameters will be restored to the debugging state.
（8） The zero adjustment of the system adopts digital design
Simply operate the mouse to zero two acquisition channels, and the system usually only needs to zero once. Under normal use, the system will automatically return to the true zero point.
（9） Batch data processing and batch report printing window
It is possible to summarize and analyze a batch of similar specimens, compare the measurement and control data, and calculate the average value. The specimens can be summarized and printed in batches. We can customize special test reports for customers. These are just a few representatives in various forms. The test report can also be edited and printed according to user requirements and equipped with relevant processing software (batch processing, control programmer, MaxDoc report processor, MaxXls report processor, etc.)
7、 Quality Assurance:
After the equipment is officially accepted and qualified by the ordering party, it shall be deemed as formal delivery. The equipment warranty period is one year from the official delivery date. During the warranty period, the supplier shall provide timely and free maintenance services for all types of equipment malfunctions. Timely and free replacement of all types of parts damaged by non-human factors. If the equipment malfunctions during use outside the warranty period, the supplier shall promptly provide service to the ordering party and actively assist in completing the repair task.