MTS Planar Biaxial Test Systems
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MTS Planar Biaxial Test Systems Delivering a full spectrum of planar biaxial testing capabilities

MTS PLANAR BIAXIAL SERVOHYDRAULIC TEST SYSTEMS ARE DEPLOYED WORLDWIDE TO CHARACTERIZE STRUCTURES, COMPONENTS AND MATERIALS SUBJECTED TO COMPLEX MULTI-AXIS LOADS FOR INDUSTRIES SUCH AS AEROSPACE, CIVIL ENGINEERING, RAIL, GROUND VEHICLES, AND MORE.

Planar biaxial mechanical testing is critical for characterizing complex design structures, components, and orthotropic and anisotropic lightweighting materials. Finding equipment that enables test engineers to simulate real-world conditions, however, can be challenging. This equipment needs to stress the specimen in multiple directions while allowing test engineers to exert a great deal of control over the process. To meet these challenges, MTS offers a family of versatile servohydraulic test systems designed to deliver a full spectrum of static and dynamic planar biaxial testing...

A Comprehensive Portfolio of Planar Biaxial Load Frames The MTS planar biaxial system family features a complete array of ultra-stiff, standard servohydraulic load frames, dynamically rated to deliver loads ranging from 25 kN per actuator to 500 kN per actuator. The actuators are arranged orthogonally (X and Y axes) in a single plane and the frame stands vertically, so one sees the X and Y planes as a front view. The +/-50 mm stroke (100 mm total stroke) actuators used in the frame are specially designed for planar biaxial testing with low internal oil volume to increase system stiffness....

Superior System Alignment Capabilities MTS planar biaxial load frames exhibit superior system alignment, which minimizes bending strain to enhance test accuracy and reduce data scatter. Proper alignment prevents unintentional bending stress that can put the specimen at higher risk of buckling or early failure. Minimizing potential specimen damage is important in many industries where the specimen can be very expensive to replace. 5 MTS Planar Biaxial Systems have spherical bearing alignment mechanisms that are used to adjust the concentricity and the angularity of the specimen grips to...

Increased Safety Through the Passive Restraint System Passive restraints are included on the systems to preclude actuator damage in the event of specimen failure that otherwise may force the actuator rod to bend. The restraints are sturdy structures integral to the reaction frame which surround the grip bodies. There are polymer pads positioned to clear the grip bodies (no contact) for normal operation by a fraction of a millimeter. In the event of a compressive specimen failure, the grips come into contact with the polymer pads and are restrained from any further out-of-plane movement,...

Industry-leading hydraulic products enhance the performance of the planar biaxial system. Key components of the solution include MTS servovalves and SilentFlo™ Hydraulic Power Units (HPUs). MTS SilentFlo hydraulic power units (HPUs) help you power your test systems with superior flexibility and cost-efficiency. SilentFlo HPUs are specifically designed to handle the rigors of extreme, continuous-duty servohydraulic applications, and they perform reliably, year after year. FEATURES » Intuitive interface » TUV certified* » Energy efficient » Integrated cooling options » Remote monitoring...

Stable, precise system control, which is critical for conducting high-force fatigue testing, is provided by a state-of-the-art FlexTest® controller. FlexTest digital controllers equip users with all the tools needed to define and automate virtually any material, component or structural test. Versatile FlexTest controllers provide high speeds and channel densities to keep pace with evolving test demands, and share common hardware boards and user interface tools to simplify test standardization and optimization across test laboratories. FlexTest controllers support the full offering of MTS...

MTS Planar Biaxial Systems leverage the power of MTS TestSuite Software to provide full-featured test definition, user-friendly operation, and powerful analysis and reporting capabilities. Designed with extensive user input, the MTS TestSuite platform serves as the foundation for a growing set of easy-to-use material test modules. It has a visually intuitive interface to streamline and simplify the development of calculations and test workflows. MTS TestSuite Multipurpose Software features test modules for performing low-cycle fatigue, high-cycle fatigue, advanced low-cycle fatigue, fatigue...

Full Complement of Test Accessories MTS Force Transducers are compact, fatigue-rated devices specifically designed for cyclic operation in through zero tension/compression and monotonic testing applications. Models for the planar biaxial systems are available to measure tension and compression forces of 25 kN to 500 kN axial / 25 Nm to 5300 Nm torsional. These force transducers feature low deflection and a high degree of stiffness to give you better dynamic performance. They also feature a high degree of component concentricity and parallelism to give you greater accuracy during your test...

High-Quality Test Accessories Specimen example Cruciform specimens are normally designed and built by the end user. Getting the stress or strain state desired in the specimen gage section is often accomplished using finite element methods and experimentation. Buckling in compression is a potential issue that must be addressed in the initial design. Cruciform specimen with dished out center gage section used for materials testing in the planar biaxial system Environmental simulation systems To support a full spectrum of environmental simulation for planar biaxial applications, MTS...

Key Benefits » Easy specimen insertion Side-loading lets you quickly and easily insert specimens. » Excellent repeatability These grips clamp onto your specimen in the same position, test after test, to minimize the bending strains that can invalidate your test results. » Tension & fatigue capability Use for both tensile and fatigue tests. » Adjustable pressure Hydraulic pressure can be adjusted, allowing these grips to be used for testing a variety of materials. » Wedge selection A wide variety of wedges are available to meet your requirements. » Low thermal gradients for...