NG-EML Floor Standing – Universal Testing Machine (50kN-600kN)

Tensile testing, also known as tension testing, is a method of mechanical testing used to determine the strength and ductility of materials and their ability to withstand an applied load without breaking. Ductility measures a material's ability to deform plastically without breaking under tension. It is a crucial property for many engineering materials and is often considered along with strength, toughness, and hardness when selecting materials for specific applications.

The test involves applying a tension force to a material sample and measuring the resulting deformation. Tensile testing determines various material properties, including yield strength, ultimate tensile strength, elongation, and area reduction. It is one of the most common and fundamental types of mechanical testing and is used in a wide range of industries, including aerospace, automotive, construction, and manufacturing.

The Force range of  NG Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is 0.2% - 100%FS / 0.4 - 100%FS.

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ISO standards cover a wide range of areas, including technology, science, and business, and are used to ensure the compatibility, safety, and efficiency of products, services, and systems. The standards are developed through a consensus-based process involving experts from industry, academia, and government organizations.

Adherence to ISO standards is voluntary, but they are widely recognized and used in many countries to demonstrate a company's commitment to quality and customer satisfaction. Companies that meet the requirements of ISO standards are often awarded certification, which can improve their credibility, competitiveness, and marketability. Some of the most well-known ISO standards include ISO 9001 for quality management systems, ISO 14001 for environmental management systems, and ISO 27001 for information security management systems.

NG Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine complies with ISO 7500 calibration standard.

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ISO 7500-1 is an international standard for metallic materials, also known as "Calibration of hardness testing machines — Part 1: Proving of hardness testing machines (scales) — Verification and calibration of testing machines." This standard provides guidelines for the calibration and verification of hardness testing machines to ensure accurate and reliable hardness measurements.

The standard covers the verification of hardness testing machines using a calibration block. It includes requirements for the measuring equipment's precision, the testing conditions, and the methods for evaluating the results. ISO 7500-1 aims to provide a standardized approach to hardness testing that ensures consistent and accurate results, regardless of the machine or operator. This allows for reliable comparison of hardness measurements taken at different locations or times.

Adherence to ISO 7500-1 helps to ensure that hardness measurements are accurate and consistent, improving the quality and reliability of the results. It is widely used in the metalworking industry and is recognized as an essential standard for the calibration of hardness testing machines.

The ISO calibration standard for NG Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is ISO 7500 Class 1 & Class 2.

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Force capacity in tensile testing refers to the maximum load a test machine can apply to a material sample. The force capacity of a machine depends on its design and construction and can vary widely between different models and manufacturers.

The force capacity of a tensile testing machine is specified in units of force, such as newtons (N) or kilo-newtons (kN). When selecting a tensile testing machine, do not forget to consider the force capacity required for the intended applications and ensure that the machine has sufficient capacity to handle the loads that will be applied.

For most materials, the tensile strength is proportional to the cross-sectional area of the sample. Therefore, larger samples typically require higher force capacities. In addition, some materials, such as metals and composites, may require higher force capacities due to their high strength and stiffness.

In general, choosing a tensile testing machine with a force capacity that is at least 50% greater than the maximum load that will be applied to the sample is recommended. This ensures that the machine has a sufficient margin for error and can handle unexpected loads or sample variations.

Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine Force Capacity is 50kN, 100kN, 200kN, 300kN, 500kN, 600kN.

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Force accuracy in tensile testing refers to the degree of precision with which a tensile testing machine can apply and measure force. Several factors influence the force accuracy of a tensile testing machine. Some of these factors are the design and construction of the machine, the precision of the load cell and other components, and the conditions under which the tests are performed.

As a general rule, the force accuracy of a tensile testing machine is specified as a percentage of the applied load. For example, a machine with a force accuracy of ±1% of the applied load can measure forces with an error of no more than ±1% of the actual load.

The force accuracy of a tensile testing machine is critical for obtaining accurate and reliable results in tensile testing. It determines the machine's resolution, which affects its ability to measure small changes in force. And, it affects the precision of the tensile strength and other material properties determined from the test data.

When selecting a tensile testing machine, consider the required force accuracy for the intended applications. Ensure that the machine has sufficient accuracy to meet the needs of the tests. It is recommended to choose a machine with a force accuracy of at least ±0.5% of the applied load for most applications. Higher accuracy may be required for certain applications or for materials with low tensile strength.

The Force Accuracy of Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is ±1.0% / ±0.5% of reading.

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Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is a High Quality solution at an Affordable price for your tensile testing needs:

• Heavy strength bearings and pre-loaded ball screws ensure extended life, zero backlash, and linear low force and through zero performance. As a result, measurements are precise and reproducible and accurately reflect specimen features as opposed to load frame flaws.
• Lead screw covers that are fully shielded have a longer lifespan and higher operator protection.
• Column covers made of lightweight aluminum with chamfered corners to make access to the test area easier. T-slots are built in for simple, convenient attachment and positioning of testing accessories
• World-class, maintenance-free AC servo motor with servo controller with high speed and low vibration.
• Measurement of the crosshead's position is done via a photoelectric encoder integrated into the servo motor system.
• In order to avoid any collisions and make it simple to conduct compression or tension tests, a built-in bidirectional load cell is assembled in the central crosshead.
• All frames have dual action over-travel limitations, which offer the highest level of security and adhere to all international regulations.
• Remote control keypad facilitates test operation.
• An upgraded controller offers 8-CH A/D conversion and high speed data collection.
• Full one-year warranty on parts and labor.

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The EML Class D Series fulfills the requirements of routine and standardized testing while offering the user outstanding quality at the most competitive price. It also comes with a fully complemental extensive range of accessories to meet test requirements in almost any application or industry: plastics, metals, biomedical, composites, elastomers, components, automotive, aerospace, textiles, and more.

• Tension grip
• Peel/tear fixture
• Compression fixture
• Flexure fixture
• Film COF test fixture
• S type load cells: 10N- 5kN
• Long travel extensometer
• Clip-on extensometer
• Environmental chamber
• T-slot table
• Others

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Tensile testing specimens are small samples of a material used in tensile testing to determine the material's properties, such as tensile strength, elastic modulus, ductility, and toughness. The specimens are typically cylindrical or rectangular and are made to specified dimensions, with a standard gauge length and cross-sectional area.

The dimensions of the tensile testing specimens are carefully controlled to ensure that they represent a typical cross-section of the material and to minimize the effects of any residual stress, welding, or other factors that could affect the test results. International standards, such as ASTM and ISO, specify the standard dimensions and shapes of tensile testing specimens.

These are the type specimens for Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine:

• Metals
• Building components
• Large fasteners
• Composites
• Wood products

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The dual column Class D testing systems are suited for tension, compression, flexure, and other testing applications where load range requirements are between 50kN to 600kN.

Features:

• Complete selection of sturdy, compact dual column load frame.
• High-speed, low-vibration electromechanical drive.
• Precision, pre-loaded ball screws.
• Linear motion guides for superior alignment.
• Versatile, easy-to-use software with pre-programmed industry standards library (ASTM, ISO, DIN, EN, BS, and more)
• High-resolution, digital closed loop controls (integrated into load frame)
• Automatic limit checking of crosshead position, overload, over temperature, over voltage, etc.
• Complete selection of grips, fixtures, environmental systems and extensometers.
• Durable test space protection.

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Force resolution in tensile testing refers to the smallest increment of force that a tensile testing machine can detect and measure. The force resolution of a tensile testing machine is determined by the precision of the load cell and other components. It is typically specified in force units, such as newtons (N) or kilo-newtons (kN).

Force resolution is a key factor in tensile testing. It affects the ability to measure small changes in force and determines tensile strength and other material properties with high accuracy. Force resolution measures the machine's sensitivity and is crucial for materials with low tensile strength or tests that require precise measurements of small force changes, such as cyclic loading tests or tests on brittle materials.

When selecting a tensile testing machine, consider the required force resolution for the intended testing applications to ensure that the machine has sufficient resolution to meet the needs of the tests. A force resolution of at least 0.001 N (1 mN) is suitable for most applications, although higher resolutions may be required for specific materials or applications.

The force resolution of Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is 1/500,000 FS.

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Single and dual test space refers to a tensile testing machine's number of testing stations. A single test space machine has one station for testing, while a dual test space machine has two stations for testing.

Single-test space machines are often used in simple tensile testing applications where only one test is performed at a time. They are typically smaller and less expensive than dual test space machines.

On the other hand, dual test space machines allow for multiple tests to be performed simultaneously, increasing the productivity of the testing process. This machine is typically used in production testing environments where a high volume of tests must be performed or in research and development settings where multiple tests are needed for comparison or to determine the effect of different conditions on the material's properties.

Heavy duty load frame 200/300kN is available with single and dual test space, saving time and labour to change fixtures when frequently performing tension and compression/flexure tests.

Standard is equipped with a wedge action tensile grip, and an optional hydraulic tensile grip is available.

Heavy duty load frame 500/600kN is a dual test space equipped with hydraulic tensile grip for large and high strength specimens.

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Position accuracy in tensile testing machines refers to the ability of the machine to accurately measure the displacement or movement of the test specimens during a tensile test. Position accuracy determines the resulting data's accuracy and the test results' validity.

Position accuracy is typically specified in length units, such as millimetres or micrometres. It is determined by the precision of the linear displacement transducer (LDT) or other sensors used in the machine. The position accuracy affects the ability to measure small changes in specimen length and to determine the tensile strength and other material properties with high accuracy.

The position accuracy of tensile testing machines is influenced by various factors, including the sensors' resolution, the machine's stability and linearity, and the temperature and environmental conditions during the test. High-quality tensile testing machines are designed with high-precision sensors and control systems to ensure high position accuracy and reliable test results.

The position accuracy of Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is ±0.50% of reading.

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Quality control in tensile testing refers to ensuring that the tensile testing equipment, specimens, and testing procedures meet the required standards and specifications to achieve accurate and reliable test results. QA is important because the results are often used to make valuable decisions about product design, manufacturing processes, and material selection.

Here are some of the key elements of the quality tensile testing procedure:

Equipment calibration: Tensile testing machines should be regularly calibrated to ensure that they operate within the specified accuracy range and to detect any drift or deviation from standard performance.

Specimen preparation: Specimens should be prepared following the relevant standards and guidelines to ensure that they represent the tested material.

Test procedure: The tensile test procedure should be followed under the relevant standards and guidelines, including the preparation and conditioning of the specimens, the loading conditions, and the measurement of force and displacement.

The Crosshead speed accuracy of Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is within ±1.0% / ±0.5% of set speed.

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Crosshead speed refers to the speed at which the crosshead of a tensile testing machine moves in response to the applied load during a tensile test. It is a critical parameter that determines the rate at which the specimen is loaded and, therefore, affects the tensile test results.

The crosshead speed is often adjustable and can be set to a range of values depending on the material being tested and the specific requirements of the test. For example, a slower crosshead speed may be used for brittle materials to reduce the fracture risk. A faster crosshead speed may be used for ductile materials to accelerate the testing process.

The choice of crosshead speed depends on the type of material being tested, the testing requirements, and the desired test duration. Selecting an appropriate crosshead speed is crucial to ensure that the tensile test results are accurate and represent the material's behaviour.

The Crosshead speed of Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine is 0.001 – 500 or 0.001 – 250 mm/min depending on the model.

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Position resolution in tensile testing machines refers to the smallest increment of displacement that the machine can measure during a tensile test. This parameter determines the accuracy and precision of the displacement measurements and, therefore, affects the tensile test results.

The position resolution of a tensile testing machine is often specified in units of length, such as micrometres or nanometers. It is determined by the accuracy of the displacement sensors used in the machine and can vary depending on the type and quality of the sensors. Higher-quality sensors generally provide finer position resolution but are more expensive.

The choice of position resolution depends on the tensile test's specific requirements and the material being tested. For example, a higher position resolution may be required for materials with a low modulus of elasticity. A lower resolution may be sufficient for materials with a high modulus of elasticity.

There are several position resolution parameters depending on the tensile machine model. EML504 & EML105 position resolution is 0.048 μm, EML205 & EML305 position resolution is 0.014 μm, EML505 & EML605 position resolution is 0.021 μm.

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NextGen’s Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine uses USB 2.0 communication interface.

USB (Universal Serial Bus) 2.0 is a specification for a communication interface that enables the transfer of data between a computer and various other devices, such as external hard drives, digital cameras, and printers. It upgrades to the original USB 1.1 specification and provides higher data transfer speeds, improved compatibility, and increased power delivery.

USB 2.0 is widely used in a variety of consumer and industrial devices, and it is a popular choice for connecting peripherals because of its fast data transfer speed, compatibility, and ease of use.

Data exchange between hardware and software via USB 2.0 interface and velocity of 12Mb/s. USB is the main direction of the development of communication, which has merits of high communication velocity, variety of communication modes (such as controlling, breaking, batch, real-time, etc.), and will be the main mode of communication.

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The power consumption of a tensile testing machine varies depending on several factors, including the size and specifications of the machine, the type of control system used, and the frequency and duration of testing.

In general, larger tensile testing machines tend to have a higher power consumption than smaller machines due to their increased size and more powerful motors. The power consumption also increases with the frequency and duration of testing, as the machine must work harder to apply the required load.

The control system used in the tensile testing machine can also impact power consumption. For example, a hydraulic power machine may have a higher power consumption than an electric motor.

EML504 & EML105 power consumption is 2kW, EML205 & EML305 power consumption is 5kW, EML505 & EML605 power consumption is 5.5kW.

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It is essential to consider the power requirements of any accessories or peripherals used in conjunction with the machine, such as temperature chambers, extensometers, and data acquisition systems.

To minimize the power consumption of a tensile testing machine, choose a machine with energy-efficient components and a control system designed to be as energy-efficient as possible. In addition, regular maintenance and proper use of the machine can help reduce energy consumption and extend its lifespan.

NextGen’s Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine EML504 & EML105 models require One-phase, 220±10% VAC 50/60Hz.

NextGen’s Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine EML205, EML305, EML505 & EML605 require Three-phase, 380±10% VAC, 50/60Hz.

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The weight of a tensile testing machine varies depending on the size and specifications of the machine. The weight can range from a few hundred pounds for a small benchtop machine to several thousand pounds for a large floor-standing machine.

The size of the machine, the type of materials used in its construction, and the number and size of components such as motors, actuators, and load cells can all impact the machine's weight. The machine's weight can affect the ease of transportation and installation, as well as the machine's overall stability during testing.

NextGen's Class D – Dual Column Floor Standing Units models EML504 & EML105 weigh 2645 lbs / 1200 kg, EML205 & EML305 weigh 3306 lbs / 1500 kg and EML505 & EML605 models weigh 4410 lbs / 2000 kg.

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Here are the shipping parameters of NextGen’s Class D – Dual Column Floor Standing Units – 50kN-600kN – Universal Tensile Testing Machine:

Shipping Information

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Despite the size, the NG-EML Class D - EML504 universal tensile testing system requires a 220V outlet.

If you upgrade to our pneumatic grips, you would additionally require air supply 0.6-0.8MPa with a 6mm diameter pipe connection.

Should you have any additional questions, contact our Quality Consultants today to get help with your next quality control project.