Abstract
The present paper aims to present an experimental study on the behaviour of PA and PE sheets during the single point incremental forming. Due to the fact that the purpose of this research is to study the behaviour of PA and PE sheets during the single point incremental process both in terms of process forces and in terms of major and minor strain and thickness reduction, a Kuka Kr210 robot was chosen as an alternative to using a universal milling machine. The specimens were made of 3 mm PA and PE sheets. The size of the sheets was 250 mm x 250 mm. The forces measured on the three directions of the coordinate axes were compared. To measure the major strain, minor strain and thickness reduction, the digital image correlation method was applied.
Highlights
The present paper aims to present an experimental study on the behaviour of PA and PE sheets during the single point incremental forming
Having analysed the results of previous research, this paper aims to analyse a comparative experimental study on two polymeric materials: polyamide (PA) and polyethylene (PE) from the perspective of the major strain, minor strain and thickness reduction, as well as of the process forces
The standardized form of the polymer material was chosen for the tensile test, the testing speed was set at 7 mm/s, and the acquisition rate of the test machine was of 10 points per second
Summary
The present paper aims to present an experimental study on the behaviour of PA and PE sheets during the single point incremental forming. Due to the fact that the purpose of this research is to study the behaviour of PA and PE sheets during the single point incremental process both in terms of process forces and in terms of major and minor strain and thickness reduction, a Kuka Kr210 robot was chosen as an alternative to using a universal milling machine. The specimens were made of 3 mm PA and PE sheets. The size of the sheets was 250 mm x 250 mm. The forces measured on the three directions of the coordinate axes were compared. To measure the major strain, minor strain and thickness reduction, the digital image correlation method was applied
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