WDW-1 microcomputer control electronic universal testing machine is a new generation microcomputer control electronic universal testing machine specially designed for universities and scientific research institutes.
1. Product introduction:
WDW-1 microcomputer control electronic universal testing machine is a new generation microcomputer control electronic universal testing machine specially designed for universities and scientific research institutes. The design of the main machine and auxiliary equipment of the testing machine draws on the international advanced technology, beautiful appearance, easy operation, stable and reliable performance. Through the controller, the computer system controls the stepper motor rotation through the speed control system, and drives the moving beam up and down through the precision screw pair to complete the tensile, compression, bending, shearing and other mechanical properties of the sample test, no pollution, low noise, high efficiency, with a very wide speed regulation range and the moving distance of the beam, in addition, a wide variety of test accessories are configured. It has a very broad application prospect in the mechanical properties test of metal, non-metal, composite materials and products. This machine is widely used in building materials, aerospace, machinery manufacturing, wire and cable, rubber and plastic, textile, home appliances and other industries of material inspection and analysis, is scientific research institutions, colleges and universities, industrial and mining enterprises, technical supervision, commodity inspection arbitration and other departments of the ideal test equipment.
The machine adopts full digital servo speed control system with high speed regulation precision and stable performance and stepper motor as the drive system, the controller as the core of the control system, and the control and data processing software with WINDOWS as the operation interface to realize the screen display of test force, test force peak, cross beam displacement, test deformation and test curve. All test operations can be performed automatically on the computer using the mouse. The good humanized design makes the test operation easier. Combined with the above technologies, the machine can achieve nearly perfect closed-loop control of test force, deformation and displacement parameters, can achieve constant stress, constant strain, constant displacement and other control modes, and can be smoothly switched between various control modes. The machine fully meets the requirements of the national standard GB/T228-2002 "Tensile test method for metal materials at room temperature", and can be tested and data processed according to GB, ISO, JIS, ASTM, DIN and a variety of standards provided by users, and has good scalability.
2. The main technical indicators:
1, the biggest test force: 100 n / 200 n / 500 n / 1 kn / 2 kn / 5 kn
2. Measurement range: 2% - 100% of the maximum test force
3. Accuracy level of testing machine: Level 1
4, test force accuracy: better than the value of ±1%
5, beam displacement measurement: resolution is 0.01mm
6, deformation accuracy: better than ±1%
7, speed range: 0.05-500mm/min
8. Test space: 950mm
9. Main machine type: single-arm structure
10, the main machine size: about 600×420×1150
11, weight: about 90Kg
12, working environment: room temperature ~ 45℃, humidity 20% ~ 80%
3. Main functions and features:
1. Host:
1.1 Speed control system adopts servo motor and self-developed deceleration system, stable and reliable performance, with over-current, over-voltage, overload protection devices. The speed control range can reach 0.05 ~ 500mm/min.
1.2 The transmission part adopts arc synchronous tooth belt, precision screw pair transmission, smooth transmission, low noise, high transmission efficiency.
1.3 universal joint adopts a cross pin structure, and has the function of swing Angle limit, on the one hand, it is easy to grip the sample, ensure the concentricity of the test, and on the other hand, it can eliminate the influence of irregular samples on the sensor.
2. Control system, operating software and data processing system
2.1 Computer control system, with high integration, stable performance, easy adjustment and other advantages. The experimental data can be collected in real time, the experimental characteristic curve can be dynamically displayed in real time, and the test data file can be saved in the way of Access common database or SQLserve large database, which is convenient to realize the customer's resource sharing and network management, as well as the user's re-analysis. For all kinds of word2000 reports customized by users, the software can be easily accessed, and solve the problem that different users or the same users have different needs for the test reports in different periods. The software can process the raw data of test force, displacement, time, deformation and the curves derived therefrom.
2.2 Protection function: The machine has two limit protection modes: software and mechanical, and the proportion of automatic shutdown exceeding the maximum load can be dynamically set; With over current, over voltage, overload and other protection functions.
2.3 Automatic marking of load and deformation channels can be realized, which is intuitive and convenient.
2.4 Batch test can realize hierarchical display of curves and automatic curve following.
2.5 The software can achieve user defined speed setting, speed adjustment of the computer. It can also achieve high precision speed calibration, and adjust the speed gear and coding at any time.
2.6 Monitoring the test process: the test force, deformation, displacement, curve and other parameters during the test can be displayed in real time.
2.7 Software Permission hierarchical Management function: In order to improve the security of software and data, the software can implement different permission management functions by setting different password protection.
2.8 Result reproduction function: After the test operation is completed, the test data can be opened and re-analyzed at any time according to user needs.
2.9 According to user needs, load ~ deformation, load ~ time, load ~ displacement, displacement ~ time, deformation ~ time and other curves can be selected for testing and data display, storage, analysis and printing.
2.10 Curve point by point traversal function: click the force and deformation value on the curve by the mouse to obtain various parameters at each point.
2.11 Result comparison function: Multiple test curves can be observed at the same time, and the characteristics of the sample to be analyzed can be compared by superposition and local amplification of multiple curves.
2.12 Force interface: Force channel interface and test software can be equipped with various sensors according to user needs, and can carry out calibration, parameter modification and normal test.
2.13 Deformation interface: Deformation channel interface and test software can be equipped with various types of extensometers according to user needs, and can be calibrated, modified parameters and normal tests.
2.14 Data sampling frequency: The high-speed sampling frequency can be selected according to the user's test requirements (the sampling rate of the controller of the single chip microcomputer cannot meet the test requirements of our company).
3. Accessories: to be determined
4. Perform basic system configurations
1, testing machine host
1.1 Servo motor (including drive Panasonic or Fuji) 1 set
1.2 One set of deceleration system
1.3 Load sensor (American Shiquan) 1
1.4 1 set of precision lead screw pairs
2, full digital control system 1 set
3, photoelectric encoder 1
4. One HP brand computer
5, HP brand inkjet printer 1 set
6. 1 set of computer control software based on Win7 operating system
7. 1 set of tools (special tools and lists required for installation, maintenance and operation are provided)
8. 1 set of stretching accessories
9. Technical data:
Include: instruction manual
Software user manual
Certificate, packing list
5, acceptance, installation, commissioning and training
1. Acceptance
1.1 Perform pre-acceptance check and then acceptance check. The pre-acceptance is carried out by the supplier and the acceptance is carried out by the customer.
1.2 Acceptance criteria: Use instructions and agreement as the basis for acceptance.
2. Installation and debugging
After the arrival of the equipment, the customer shall complete the installation under the guidance of the supplier, and the supplier shall be responsible for debugging.
3. Personnel training
After the pre-acceptance, the supplier is responsible for the technical training of the customer's personnel, so that the trainer can master the operation, adjustment and basic troubleshooting of the testing machine.
6. Quality assurance
The equipment shall be deemed to have been officially delivered after being formally accepted by the ordering party. The equipment three contract period is one year from the date of formal delivery. During the three guarantees period, the supplier will provide free maintenance services for all kinds of faults of the equipment in time. For all kinds of parts damaged by non-human causes, timely and free replacement. If the equipment fails during the use of the warranty period, the supplier will provide service to the customer in time and actively assist the customer to complete the maintenance task.
7. See the contract for other terms.
8. Software interface
