MANUFACTURE OF COMPLEX PARTS IN THIN SHEETS OF COMMERCIALLY PURE ALUMINIUM USING INCREMENTAL SHEET FORMING METHOD

• DOI: 10.22533/at.ed.8202013022

• Palavras-chave: Atena

• Keywords: incremental sheet forming, commercially pure aluminum, feed speed, lubrication.

• Abstract:

  This work aims to study the process

  of Incremental Sheet Forming (ISF) on a pure

  aluminum sheet. Four tests were made using a

  CNC machining center, 0.5 mm thickness sheets

  of commercially pure aluminum, a plate press

  support and a forming tool with semi-spherical

  tip. It was assessed in the tests how the pure

  aluminum plate responded to the variation of

  feed speed of forming tool. In addition, other

  test was performed without lubrication in order

  to verify effects of dry condition in characteristics

  of final part. Roughness measurements

  were carried to evaluate surface quality and

  metallographic analysis were performed on the

  stamped plates as way of verifying deformation

  of the sheet in its thickness direction. A good

  conformability of aluminum plates was found,

  and it was demonstrated how lubrication has

  crucial importance through the process. It was

  also shown that feed speed has great influence

  in final part aspects such as cumulated

  deformation and surface finishing.

• Número de páginas: 10