The Testing Times

Tinius Olsen Engineers have designed a new custom attachment for testing the bearing strength of plastics. This attachment is used with Tinius Olsen’s  S and/or  T series of benchtop tensile testers and Horizon software to report bearing strength.  The bearing strength test is designed to replicate the loading on plastics sheet, or plastics products, where rivets, bolts or similar fasteners are used to join sections and show the bearing stress versus the deformation of the hole for rivet/bolt etc. The allowable deformation of the hole in the material should be enough so that there is no looseness of the joint.  As the picture shows, the grip includes an LVDT Extensometer that precisely measures the amount of hole deformation. This attachment follows the guidelines of ASTM D953.

Here at Tinius Olsen, we manufacture a range of different measuring devices to measure the defletion of the material you are testing. One of these tools is the 'Pipe crush LVDT'. This tool is used in compression tests of plastic pipes to accurately measure the pipe deflection at given forces. We supply different sizes corresponding to the different pipe diameters. For more information on LVDT's or other extensometers used to measure the deflection of a sample under going test visit our main website here or contact us .