What is an electro-hydraulic pressure testing machine?
In the fields of industrial production and scientific research, the pressure testing machine is an important testing equipment used to test the mechanical properties such as compressive strength and elastic modulus of materials. Among them, electro-hydraulic pressure testing machines have attracted much attention due to their high precision, high stability and high degree of automation. This article will introduce in detail the definition, working principle, application fields and comparison of popular models in the market of electro-hydraulic pressure testing machines.
1. Definition of electro-hydraulic pressure testing machine
The electro-hydraulic pressure testing machine is a kind of testing equipment that controls the hydraulic cylinder to apply pressure through an electro-hydraulic servo system. It combines electronic control technology and hydraulic transmission technology to achieve precise control of pressure and data collection, and is widely used in mechanical property testing in the fields of building materials, metal materials, composite materials and other fields.
2. Working principle of electro-hydraulic pressure testing machine
The working principle of the electro-hydraulic pressure testing machine mainly includes the following steps:
1.Electro-hydraulic servo system control: Send instructions through the electronic control system to drive the servo valve to adjust the flow and pressure of hydraulic oil.
2.hydraulic cylinder pressure: The hydraulic cylinder, under the control of the servo valve, exerts uniform and adjustable pressure on the specimen.
3.Data collection and analysis: Collect pressure, displacement and other data in real time through high-precision sensors and transmit them to the computer for analysis and processing.
3. Application fields of electro-hydraulic pressure testing machine
Electro-hydraulic pressure testing machines are widely used in many industries, including:
| Industry | Application scenarios |
|---|---|
| building materials | Compressive strength testing of concrete, bricks and stones |
| metal material | Yield strength and tensile strength testing of steel and aluminum alloys |
| composite materials | Interlaminar shear strength test of carbon fiber and glass fiber |
| Scientific research and education | Research on mechanical properties of materials and teaching experiments |
4. Comparison of popular electro-hydraulic pressure testing machine models on the entire network in the past 10 days
According to recent Internet search data and user attention, the following is a comparison of several popular electro-hydraulic pressure testing machine models and their main parameters:
| Model | maximum pressure | Accuracy | price range | Brand |
|---|---|---|---|---|
| YES-2000 | 2000kN | ±1% | 100,000-150,000 yuan | Domestic A brand |
| DYE-3000 | 3000kN | ±0.5% | 200,000-250,000 yuan | Domestic B brand |
| Instron 5985 | 2500kN | ±0.25% | 500,000-600,000 yuan | Imported brands |
5. Advantages and future development trends of electro-hydraulic pressure testing machines
Compared with traditional mechanical testing machines, electro-hydraulic pressure testing machines have the following advantages:
1.High precision: The electro-hydraulic servo system can achieve precise control of pressure with a small error range.
2.High degree of automation: Support computer control, automatic data collection and analysis, and reduce human errors.
3.Wide range of applications: Can test a variety of materials to meet the testing needs of different industries.
In the future, with the development of intelligent manufacturing and Industry 4.0, electro-hydraulic pressure testing machines will become more intelligent and networked, enabling remote monitoring and data analysis to further improve testing efficiency and accuracy.
Conclusion
As an important tool for modern material testing, the electro-hydraulic pressure testing machine's technical level and application scope are constantly expanding. Through the introduction of this article, I believe that readers will have a deeper understanding of electro-hydraulic pressure testing machines. If you have relevant needs, you can choose the appropriate model and brand based on actual test requirements.
check the details
check the details
en
