Types of Test Machines Using Sensors for Reliable Assessments

The performance of test machines is intricately tied to the precision and reliability of their sensors. With their advanced technology, these high-accuracy sensors ensure the automation of functions and controls, instilling confidence in the accuracy of the testing process.

Test labs heavily rely on test machines equipped with high-accuracy sensors. These sensors provide critical data and are pivotal in research, product development, lifespan analysis, and material selection.

Interface is a trusted supplier of sensor technologies by the world’s best machine architects, engineers, builders, integrators, and testing labs. These test machines use Interface products across all industries, including automotive, energy, medical, aerospace, and manufacturing.

Interface Products Used in Test Machines

• Load cells are the most common type of sensor in testing machines. They measure force and are essential for many tests, including fatigue, stress, and material. Miniature sensors are integrated into machines for real-time feedback.
• Torque transducers measure rotational force or torque, essential for testing rotating components and assemblies.
• Multi-axis sensors are modernizing test machines. They simultaneously measure forces and moments in multiple directions, providing a more comprehensive understanding of complex loading scenarios.

There are many types of machines engineered for sensor-based tests and measurement applications. These machines test force, torque, friction, stress, bending, fatigue, and submersible performance. They are frequently used for all types of material and durability tests. Advanced industry machines are used for structural, downhole, and environmental tests.

Five Common Types of Testing Machines Using Load Cells

#1 Universal Testing Machines (UTMs): These machines, commended for their versatility, can perform various tests, including tensile, compression, and bending. They utilize load cells to measure the force required to break or deform a material, offering comprehensive insights into its strength and elasticity.

#2 Tensile Testing Machines: These machines are explicitly designed for flexibility (tensile) testing. They use load cells to determine the force needed to pull a material apart, which is crucial information for understanding its durability and performance under different tensile forces.

#3 Compression Testing Machines: These machines use load cells to measure a test object’s resistance to compressive forces. This information is essential for designing components that will bear heavy loads.

#4 Fatigue Testing Machines: Fatigue testing machines simulate real-world wear and tear by subjecting a material to repeated stress cycles. Load cells measure the force applied during each cycle, helping assess the material’s endurance limit.

#5 Destructive Testing Machines: These machines push material to its breaking point. The load cell measures the force at failure, providing valuable data on a material’s ultimate strength.

Test Machine Application Examples

Crush Testing Machines: These machines are often used for ruggedized compression tests. Proppant crush machines test the proppants’ resistance during hydraulic fracturing operations. The test determines the degradation characteristics of proppants crushed at specific forces. Interface’s 1101 Compression-Only Ultra Precision LowProfile™ Load Cell is installed into the servo-controlled load test frame. A stress load is applied to the crush cell, and the 1101 captures the force data. Data is displayed, graphed, and logged on the customer’s computer when connected to the INF-USB3 Universal Serial Bus Single Channel PC Interface Module. Crush Test Machine

Spring Testing Machines: These machines measure the force required to compress or extend a spring, ensuring they meet performance specifications. Load cells are essential in providing accurate force measurements. An interface customer uses a test machine to measure the performance of their springs. The functionality of their spring test machine needs a wireless solution. Interface suggests installing one of their WTS-5200XYZ 3-Axis Force Moment Load Cells, which has three integral 9812 Panel Mount displays for Single mV/V Transducers, into the customer’s spring compression frame. The load cell measures the force compression of the spring. Spring Testing Machine

Friction Testing Machines: These machines measure the frictional force between two surfaces, which is crucial for understanding wear and tear and optimizing component design. Multi-axis load cells can simultaneously measure forces in multiple directions. A testing laboratory was looking to replace two single-axis load cells in their friction testing machine with one sensor that simultaneously measured the force on the x, y, and z axes. Interface suggests installing a 3A Series 3-Axis Force Load Cells on their existing machine with an Interface BSC4D-USB Multi-Channel PC Interface hooked directly to a PC laptop to monitor and log the data in real-time. Using this solution, The testing laboratory was able to simplify its sensor setup and improve its data collection, creating more value for its end customer. Friction Testing Machine

Read more about friction testing machines and multi-axis sensors. Watch our webinar to learn more about machine-building best practices and solutions.

Testing machines equipped with high-performing sensors, such as Interface load cells, torque transducers, and multi-axis sensors, and operated according to best practices are critical for ensuring product quality and safety.

By understanding the types of testing machines, their applications, and the importance of sensor integration, engineers and lab technicians can generate reliable test data, leading to better product design and development. Contact our application engineers if you want a single test machine sensor or custom OEM solution to integrate into your machines.