A POSSIBLE SOLUTION TO MINIMIZE ALIGNMENT ERROR ON TRACTION TESTING MACHINE

Abstract

Mechanical testing is usually affected by errors, the main factor is the improper alignment of the specimen, due to the catch system on the machine or to the construction of the machine itself. Today we have methods to verify the testing machine. In practice the problem is to use an existing device and to find a way to minimize all errors when testing materials. A possible solution could be to use a supplementary arrangement in order to obtain a good alignment of the specimen. The aim is to avoid any other solicitation than traction or compression.