The XTOP3D XTDIC-VG video extensometer overcomes the limitations of traditional methods, such as data discontinuity and significant human error. It allows for the configuration of virtual gauge lengths and operates in synchronization with testing machines, capturing the entire process—from initial material damage and strain evolution through to final fracture. Suitable for a wide range of complex testing environments, the system delivers precise mechanical data and fatigue curves, supporting applications in material R&D, structural optimization, and equipment service-life assessment.

The XTOP3D XTDIC high-temperature 3D full-field strain measurement series is designed for extreme high-temperature testing environments, such as those in the aerospace and nuclear energy sectors. By integrating proprietary technologies—including blue-light filtering, specialized high-temperature speckle patterns, and coaxial optical imaging—the system effectively eliminates interference from thermal radiation. It enables precise measurement of welding deformation and composite material tensile/compressive behavior across a wide temperature range (up to 2500°C), delivering accurate and reliable full-field strain and displacement data with a deviation of ≤5% compared to simulation results. This supports the analysis of thermal structural damage and the precise assessment of component service life.

The XTOP3D XTDIC-FLC sheet metal forming limit measurement system utilizes Digital Image Correlation (DIC) technology to provide non-contact, full-field, high-precision, and visual measurements. It enables the rapid and accurate determination of Forming Limit Curves (FLCs) and allows for the observation of material flow, strain evolution, and defect initiation (such as necking, wrinkling, and fracture) during the sheet metal stamping process. This system facilitates the analysis of material forming behavior, precise failure prediction, and the optimization of stamping process parameters.

XTOP3D's independently developed XTDIC three-dimensional full-field strain measurement system can obtain the ultimate strain under different strain paths through computational analysis, thereby producing a complete forming limit FLC curve, clearly and intuitively judging whether there is excessive deformation in the part area, and providing data support for optimizing the forming process and verifying the simulation.

The XTOP3D XTDIC-FLC three-dimensional sheet metal forming limit measurement system, combined with a sheet metal forming test device, can quickly complete the surface strain distribution of thin-walled specimens throughout the forming process, analyze two sets of data: primary strain and secondary strain, and perform quadratic curve fitting on each set of data. The fitting points can be used to output FLC curve data.

The XTOP3D XTDIC-FLC three-dimensional sheet metal forming limit measurement system, combined with a sheet metal forming test device, can quickly complete the surface strain distribution of thin-walled specimens throughout the forming process, analyze two sets of data: primary strain and secondary strain, and perform quadratic curve fitting on each set of data. The fitting points can be used to output FLC curves/FLD data.

XTOP3D's independently developed XTSM sheet metal forming grid strain measurement system uses a high-resolution measuring head to capture images of stamping parts. By calculating the spatial coordinates of small dots prepared from multiple photos, it can obtain the deformation and strain distribution of automotive sheet metal, the thickness changes of hot spots and sheets, calculate the three-dimensional deformation of the sheet metal, and generate a forming limit diagram.

The XTDIC-FLC sheet metal forming limit measurement system is used to introduce the sheet metal forming limit measurement process. In conjunction with the sheet metal forming and cupping test machine, it sprays disordered speckles on the specimen to collect sequential video images of sheet metal deformation during the cupping test. Based on grid strain analysis, digital image correlation measurement and other technologies, the limit strain is directly obtained, and the forming limit curve FLC is generated to establish a forming limit diagram.

The XTOP3D XTDIC-FLC three-dimensional sheet metal forming limit measurement system, based on digital image correlation (DIC) technology, works with sheet metal forming and cupping testing machines. It directly obtains the limit strain based on grid strain analysis and generates the limit curve FLC, enabling rapid determination of the forming limit curve of FLC materials.

The XTDIC-VG video extensometer measurement system utilizes Digital Image Correlation (DIC) technology, employs a single-camera optical system design, and employs a sub-pixel displacement measurement algorithm to provide high-precision, real-time measurement of transverse and longitudinal strain during tensile testing. Available in 60, 120, and 240mm field of view models, the XTDIC-VG video extensometer can be adjusted to suit the material deformation being measured.

The XTDIC-VG video extensometer is easy to calibrate, eliminating the need for perfect test specimen alignment. It communicates with a variety of testing machines, acquiring force information and outputting strain data. Developed based on DIC technology, it is suitable for testing conditions such as large deformation, three-dimensional deformation, thermal deformation, and in-cavity deformation, and is particularly well-suited for material characterization during tensile testing.

The XTDIC-VG video extensometer is designed for data acquisition on brittle or thin materials and specimens undergoing extreme deformation, ensuring measurement accuracy across a wide field of view. It offers seamless connectivity and compatibility with various types of testing machines and is suitable for a wide range of materials, guaranteeing precision in strain measurement experiments.