To assess the bending resistance and stiffness of paper and paperboard, bending resistance testers are utilised. Bending resistance in paper and board depends on the network properties of the sheets as well as the basic fibre qualities to which it is related, making it a complex feature.
The resistance of a member to bending deformation is known as bending stiffness. It depends on Young’s modulus, the second moment of area, the length of the beam, and the beam boundary condition of the beam cross-section about the axis of interest.
Brittle materials, which are typically challenging to test in uniaxial tension due to cracking in the grips, can have their tensile strength measured using the bending test.
The Global Bending Resistance Tester market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
ABB introduces the most recent L&W Bending Tester generation for simple, quick, and accurate paper testing. Operator-independent benchtop instrument expands on earlier technology to promote ease-of-use, customization and digitalization A new service addresses common problems to speed up lab testing and simplify lifecycle management.
Integration with ABB data management is a possibility, increasing visibility and precision to support accurate measurements of bending resistance and stiffness.
To provide simpler and more accurate measurements of bending resistance and stiffness without the need for an operator, ABB has improved the L&W Bending Tester with additional capabilities. The L&W Bending Tester is a stand-alone benchtop instrument that tests the resistance to bending in paper and packaging.
It has a wide touchscreen with an intuitive interface and improved post-processing for user-friendliness, instrument check, and calibration.
More visibility of quality data throughout the mill and organisation is made possible by integration with additional ABB products, such as L&W Lab Management System (LMS), which connects to the whole Quality Data Management module within the wider Manufacturing Execution System (MES).
The right settings are always chosen thanks to the automatic detection of the bending length. The measurement series overview and a graphic representation of the bending curve with break angle/force are included in the on-screen findings. It should be noted that this model also supports bending lengths as small as 1mm or as large as 50mm.
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