Journal of Food, Agriculture and Environment

The tower and quintal beam presses for obtaining olive oil: New contributions from computer-aided design and computer-aided engineering

Author(s):

José I. Rojas-Sola*, Miguel Castro-García

Recieved Date: 2013-06-28, Accepted Date: 2013-10-30

Abstract:

This paper analyses closely at two key aspects in the operation of the olive oil presses most used in traditional olive oil mills such as the tower press and the quintal beam press. These aspects are the stress distribution of the mechanical assembly of each press and later, the distribution of stresses and displacements on the straining mats, factors that clearly influence the industrial performance of the production of olive oil and therefore its economic valorisation. To do this, two presses located in the Museum of the Olive Culture (Puente del Obispo, Baeza, Jaén) have been chosen owing to their excellent state of preservation and impressive dimensions. After geometric documentation work by obtaining a parametric model, a study of computer-aided engineering has been carried out through the implementation of the finite element method. The results show that the highest stress concentration in the tower press is provided in the screw which directly transmits its weight, in the quintal beam press closer to quintal. Moreover, the distribution of stresses and displacements on the straining mats in the tower press is much more uniform than in the quintal beam press, as there is a high concentration of stresses on the side where the first contact is produced the first contact. Hence, the position of the straining mats is a determining factor.

Keywords:

Tower press, quintal beam press, olive oil, computer-aided design, computer-aided engineering

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Food and Health
Pages: 145-150

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