2021
DOI: 10.3390/jmmp5030075
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Influence of Lubrication and Cooling on the Quality of Single-Point Incremental Forming Parts of Polycarbonate Sheets

Abstract: Without ensuring high productivity, single-point incremental forming allows obtaining cavities in sheet-type workpieces by rotating and moving a rotary forming tool along a predetermined path. The process can be used in the case of both metal and plastic sheets. The heat generated in the processing area is expected to cause different elongations and contractions, affecting the final dimensional accuracy of the surfaces obtained. A full factorial experiment with three independent variables at two levels was use… Show more

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Cited by 4 publications
(2 citation statements)
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“…The tool/sheet interaction induces a localized and incremental deformation of the sheet, peculiar to this forming process; at the same time, it can determine failures and defects, whose occurrence was reduced by lubricating the sheets with mineral oil for cold forming [35]. Some tests were also carried out in dry conditions, to investigate the in uence of the lubrication on the process by varying the toolpath strategy.…”
Section: Methodsmentioning
confidence: 99%
“…The tool/sheet interaction induces a localized and incremental deformation of the sheet, peculiar to this forming process; at the same time, it can determine failures and defects, whose occurrence was reduced by lubricating the sheets with mineral oil for cold forming [35]. Some tests were also carried out in dry conditions, to investigate the in uence of the lubrication on the process by varying the toolpath strategy.…”
Section: Methodsmentioning
confidence: 99%
“…The geometrical features of the components and of the forming tool with their values are reported in Figure 1, while the experimental setup during a SPIF test is shown in Figure 2. The forming process under exam involved a localized and incremental deformation of the sheet as the effect of its interaction with the forming tool; the risks of failing tests due to the tool/sheet interaction were reduced by lubricating the sheets with mineral oil for cold forming [28].…”
Section: Methodsmentioning
confidence: 99%