What is it about?

The proper interference fit between the joined parts is a prerequisite for an effective pressure joint. The main purpose of the pressure joint is to transfer tangential, radial and axial loads between the joined parts. In order to provide proper functioning of the machine assembly (whose component parts are connected by the pressure joints), i.e. the transfer of loads without skidding, it is essential to determine the pressure joints interference fit parameters.

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Why is it important?

The new methodology for the conveyor idlers pressure joints quality control is presented in this paper. The procedure for the analytical determination of the expected disassembling force (limiting value) in the pressure joints between the shaft – rolling bearing and the bearing – idler shell is described in detail. The analytically calculated boundary values are compared with the experimental ones.


According to the presented criteria, the evaluation of the conveyor idler fits quality was performed and reliable conclusions were successfully adopted.

Professor Milos B. Djukic
University of Belgrade, Faculty of Mechanical Engineering

Read the Original

This page is a summary of: The development and application of the new methodology for conveyor idlers fits testing, Procedia Structural Integrity, January 2018, Elsevier,
DOI: 10.1016/j.prostr.2018.12.150.
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