12KN-600KN Low Noise Microcomputer Controlled Hydraulic Universal Testing Machine

                                                    Microcomputer Controlled Hydraulic Universal Testing Machine
                                                                                           Model:IF795A1
 
 
Introduction:
The main body of the microcomputer controlled hydraulic universal testing machine adopts a cylinder mounted main body, mainly used for tensile, compression, bending, and shear tests of metals and non metals. Suitable for fields such as metallurgy, construction, light industry, aviation, aerospace, materials, universities, research institutions, etc. The experimental operation and data processing comply with the requirements of GB228 "Metallic Tensile Test Method for Room Temperature Materials".
 
Main performance and technical indicators:

 
 
Scheme description:
1,Main engine
The main engine adopts a bottom mounted oil cylinder type, with the stretching space located above the main engine, and the compression and bending test space located between the lower crossbeam of the main engine and the worktable.
2,Hydraulic system (piano oil source)
2.1 Hydraulic principle
As shown in Figure 2, it is a load adaptive oil inlet throttle speed control system.
The hydraulic oil in the tank is driven by the motor into the high pressure pump into the oil circuit, through the check valve, 10μ high pressure oil filter, differential pressure valve group, proportional valve, into the oil cylinder. The computer sends a control signal to the proportional valve to control the opening and direction of the proportional valve, so as to control the flow into the cylinder and realize the control of the constant speed test force and constant speed displacement.
2.2 Features:
1)Adopting high-pressure pump with low noise and stable pressure.
2)The integrated design of power system and operation table makes it easy to operate and saves experiment space.
 

Control system:

The fully digital closed-loop measurement and control system has many advanced features and technological innovations, mainly reflected in:

1,Realized the control of test force, sample deformation, piston displacement and test process.

2,The data acquisition system consists of 4 high-precision 24 bit A/D conversion channels.

3,Select original branded integrated components such as BB, AD, Xilinx, etc., with fully digital design;

4,The electronic measurement system does not have analog components such as potentiometers, ensuring interchangeability and facilitating maintenance and replacement.

Control software:

Complies with GB228 relevant regulations of more than 30 national standards.

1,Computer control systems have the advantages of high integration, stable performance, and easy adjustment. Real time collection of experimental data can be achieved, and real-time dynamic display of experimental characteristic curves can be realized. Experimental data files can be saved in the form of commonly used Access databases or SQLserve large databases, which facilitates customer resource sharing and network management, as well as user reanalysis. For various user-defined Word2000 reports, this software can easily access them, solving the problem of different users or the same user having different needs for experimental reports at different times. This software can process raw data of experimental force, displacement, and time, as well as the curves derived from them.

2,Protection function: The machine has two types of limit protection: software and mechanical. The proportion of automatic shutdown beyond the maximum load can be dynamically set; It has multiple protection functions such as over-current, over-voltage, overload, etc.
3,For load channels, automatic labeling can be achieved, which is intuitive and convenient.
4,Batch testing can achieve hierarchical display of curves and automatic curve tracking.

5,This software can achieve user-defined speed settings and computer adjustment of speed. It can also achieve high-precision speed                  calibration, adjust speed gear and coding at any time.
6,Monitoring the experimental process: Real time display of various parameters such as test force, displacement, curve, etc. during the                experimental process can be achieved.

7,Software permission level management function: In order to improve the security of software and data, this software can achieve permission level management function by setting different password protections.

8,Result reproduction function: After the experimental operation is completed and saved, it can be opened and reanalyzed at any time according to the user's needs.

9,According to user needs, load time, load displacement, displacement time curves can be selected for testing, data display, storage, analysis, and printing.

10,Curve point by point traversal function: You can click on the force and deformation values on the curve with the mouse to obtain various parameters for each point.

11,Result comparison function: Multiple experimental curves can be observed simultaneously, and the comparison of the characteristics of the sample to be analyzed can be achieved through the superposition and local magnification of multiple curves.

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