Our product line of material testing equipment can perform several different types of tests and on different types of samples in tension and compression. With our testing software Califort, simply press the green arrow and your tests and measurements start.
Thanks to an extensive range of adapted solutions, we cover ASTM, ISO, EN, DIN and other standard requirements. Our wide range of standard grips, fixtures, jigs, and probes can help to match your specific needs.
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The test machine is an essential tool in production, quality, engineering and scientific research. This simple or sophisticated piece of equipment can be used to test the strength and mechanical properties of various materials or samples.
Testing machines play a crucial role in ensuring the quality and safety of the products we use every day. They are used in many sectors, from the automotive and aerospace industries to construction and medicine.
This state-of-the-art equipment offers remarkable precision in materials analysis, enabling researchers and engineers to push back the boundaries of innovation. The testing machine continues to evolve, integrating advanced technologies to meet the growing challenges of our modern world.
Testing machines first appeared in the early 19th century, marking a crucial stage in industrial development. Their invention made it possible to systematically test the strength of materials.
In 1818, French engineer Charles-Augustin Coulomb designed one of the first testing machines to evaluate the strength of metal wires. This innovation paved the way for significant advances in materials engineering.
Over the decades, testing machines have been perfected, incorporating increasingly sophisticated technologies. They have become indispensable in many industrial sectors, including aerospace, automotive and construction.
The importance of testing machines in modern industry is indisputable. They guarantee product quality and safety by making it possible to :
- Check the strength of materials
- Analyze mechanical properties
- Detect manufacturing defects
- Optimize production processes
- Check the quality of an installation or construction
Thanks to these devices, engineers can anticipate the behavior of materials and products under various conditions of use. This predictive capability is essential for designing reliable structures and products.
The constant evolution of testing machines reflects technological advances in the industry. Today's equipment incorporates precision sensors and computerized analysis systems, offering ever more reliable and detailed results.
Testing machines are essential for assessing the mechanical properties of materials. They enable a wide variety of strength, deformation and fatigue tests to be carried out on a wide range of samples.
The universal testing machine is versatile and can perform many types of mechanical tests. It is equipped with adjustable jaws or support plates to hold different specimens.
These machines can apply tensile and compressive forces. They accurately measure applied load and sample displacement.
Modern models are computer-controlled and can automatically generate detailed reports. Load capacities typically range from a few Newtons to several hundred kilonewtons.
These machines are designed to test specific materials such as metals, plastics, concrete or composites. They can perform tensile, compression, bending and shear tests.
Materials testing machines can be equipped with climate chambers. This enables samples to be tested under different temperature and humidity conditions.
Some models incorporate optical systems for non-contact strain measurement. Others feature extensometers for precise measurement of elongation or deformation.
These machines are used to study the behavior of materials under cyclic loads. They can be used to perform fatigue tests and assess component life.
Dynamic test machines can apply sinusoidal loads at different frequencies and profiles. They measure material response in terms of deformation and energy dissipation.
Such equipment is essential in the aerospace and automotive industries. They help predict the durability of parts subjected to repeated vibration or stress.
These machines specialize in applying compressive forces to samples. They are commonly used to test construction materials such as concrete or stone. They are also frequently used in the packaging industry, for example, to test the crush resistance of bottles (Topload test), cans or cartons.
Compression testers generally have a high load capacity. Some models can reach several thousand kilonewtons.
They are equipped with sturdy, guided platens between which the sample is placed. Sensors measure the force applied and the deformation of the sample until it breaks.
Modern testing machines are equipped with a number of essential components to ensure test accuracy and reliability. These elements are designed to deliver consistent, reproducible results.
Sensors play a crucial role in testing machines. They accurately measure the forces applied in tension or compression, and the deformations undergone by the samples under test. Force, displacement and strain transducers are among the most commonly used.
Jaws are used to securely hold samples in tension. They are designed to adapt to different material shapes and sizes. Pneumatic or hydraulic jaws provide a firm, constant grip during testing. For compression tests, steel or aluminum platens of different diameters are generally used, depending on the samples to be tested.
The interface between the sensors and the handles is essential to ensure precise force transmission. This synergy makes it possible to obtain reliable data on the behavior of materials under stress, without the interfaces interfering with the measurement.
Test management software is the brain of modern test machines. They control all aspects of the test process, from initial setup to results analysis.
These programs enable operators to define test parameters easily and precisely. They manage real-time data collection, ensuring accurate and repeatable acquisition of sensor measurements.
Automated analysis of results is a key feature of these software packages. They generate detailed reports, including calculations, graphs and statistics, facilitating data interpretation.
Intuitive user interfaces simplify operation of the test machines, even for less experienced operators. The ability to export data to other formats such as Microsoft Excel or pdf facilitates integration with other analysis tools.
Mechanical testing plays a crucial role in assessing the tensile and compressive properties of materials. They are used to determine the strength, ductility and resilience of the samples tested.
Automated tensile testing measures a material's resistance to stretching. A testing machine applies increasing force to the sample, often until it breaks. Data collected includes, for example, yield strength, elongation and tensile strength.
Compression tests assess a material's ability to withstand a compressive force. They are particularly important for building materials such as concrete. The testing machine measures the deformation of the sample under load.
These tests are essential throughout the manufacturing industry: automotive, aerospace, electronics, packaging, medical, clothing, toys, construction... They guarantee :
The impact test, like the Charpy test, assesses a material's resilience. A pendulum strikes a notched sample, measuring the energy absorbed during fracture. This test is crucial for materials exposed to sudden impacts.
The flexure testing machine determines the stiffness and flexural strength of materials. It applies a force to the center of a sample supported at the ends. This type of test can be carried out with 2, 3 or 4-point supports. This test is vital for materials used in structures or composites. But it can also be used, for example, to check the resistance of a screwdriver blade to bending.
These tests are widely used in the metallurgy, composites and polymers industries. They help optimize product design and ensure reliability under a wide range of operating conditions. They are also often used to develop complex materials or adhesives.
Precision and calibration are essential to guarantee the reliability of the results obtained with a test machine. These aspects ensure that the measurements taken are accurate and comply with current standards.
Testing machines must comply with strict standards to ensure their accuracy. ISO 7500-1 defines the requirements for the verification of static uniaxial testing machines. It specifies accuracy criteria for different classes of machines, and how to check them.
Manufacturers must provide calibration or conformity certificates attesting that their equipment meets these standards. These documents indicate the machine's accuracy and associated measurement uncertainties.
Accredited laboratories (COFRAC, NIST, etc.) carry out regular audits to verify compliance with these requirements. They examine technical documentation and carry out performance tests on machines, comparing them with standards.
Regular calibration is crucial to maintaining the accuracy of test machines. This process involves comparing machine measurements with certified reference standards.
Typical calibration steps include :
The frequency of calibration depends on the use of the machine and the specific requirements of the sector. It generally ranges from 6 to 24 months. In most cases, an annual check is recommended.
Specialized software facilitates the calibration process by automating calculations and generating reports. These tools improve efficiency and reduce human error.
The choice and maintenance of a testing machine are crucial to ensure accurate and reliable results. Careful selection and regular maintenance ensure equipment longevity and efficiency.
The selection of a testing machine is highly dependent on the materials to be tested and the industrial sector concerned. For example, for metals, a machine with a high load capacity is essential. For industries such as textiles, they require equipment sensitive to low forces.
Flexibility is a major asset. A versatile machine adapts to different types of testing, offering a better return on investment. Some models allow modules to be added to extend their capabilities.
Measurement accuracy is paramount. Manufacturers provide detailed specifications on the resolution and accuracy of their machines. It is crucial to check these data against the requirements of the tests to be carried out. Choosing the right machine without over-performance improves the machine's profitability, and often avoids lengthy set-up times.
Regular maintenance extends the life of the test machine and ensures its reliability. Manufacturers generally recommend a preventive maintenance schedule.
Daily cleaning and lubrication of moving parts are essential. Regular visual inspection can detect signs of early wear.
Periodic calibration is crucial to maintaining accuracy. Frequency depends on use and specific industry requirements.
Responsive technical support is essential. Leading manufacturers offer remote troubleshooting and on-site intervention. Some offer maintenance contracts including software updates and spare parts.
It is advisable to consult an expert to identify the most suitable solution. He or she will help you determine which features are essential for your business.
Investing in a high-performance testing machine pays off in the long term. It ensures compliance with standards and enhances product quality.
Here's an overview of the main types of testing machines:
| Type | Application |
|---|---|
| Tension | Metals, plastics, textiles |
| Compression | Concrete, ceramics, foams |
| Flexion | Wood, composites, polymers |
| Stress | Mechanical parts, implants, mechanical transmissions |
The final choice will depend on the specifics of your industry and your test objectives.
Research into testing machines is advancing rapidly. Manufacturers are developing increasingly sophisticated, high-performance equipment to meet the needs of industry.
Automatic test stations are gaining in popularity. They enable continuous testing without human intervention, increasing productivity and precision.
The integration of 3D optical systems into test machines represents a major step forward. These optical test stations offer extremely accurate non-contact measurement of deformations and stresses.
Hydraulic universal testing machines are also evolving. They now combine force, speed and precision for complex dynamic tests on a variety of materials.
Artificial intelligence is making its way into test equipment. Algorithms that analyze data in real time to optimize test parameters and detect anomalies are beginning to appear on specific applications.
The miniaturization of components is making it possible to design more compact and portable machines. This facilitates testing on site and in difficult-to-access environments.
Interconnectivity (ethernet, wifi, Bluetooth, etc.) is progressing. Test machines are integrated into the connected factory, sharing data for better traceability and quality control.
