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INFLUENCE OF FORMING ANGLE ON GEOMETRICAL ACCURACY IN SINGLE POINT INCREMENTAL SHEET METAL FORMING (SPIF) PROCESS

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.8, No. 4)

Publication Date:

Authors : ; ;

Page : 1135-1144

Keywords : Incremental sheet metal forming (ISMF); Spring back; Single Point Incremental Forming process (SPIF) & Rapid prototyping;

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Abstract

Incremental sheet metal forming (ISMF) is a highly flexible and versatile process to produce complex sheet metal parts and rapid prototypes. Its adaptability to (CNC) systems is excellent through direct control of CAD data, minimizing the use of heavy machines, high cost tooling and pressing equipment. A sheet of metal is formed by using a simple forming tool driven by a CNC milling machine localizing pressing force to plastically deform the part during progression. In this work, like pyramid shape manufactured by(SPIF) process without using any dedicated dies. The aim is to measure the influence of forming the angle on the dimensional accuracy (depth error) of the formed part. Different angles (30°, 45°, and 60°) used to create pyramid shape and all the experiments carried out on an aluminum alloy sheet with0.5 mm thickness by using a three-axis conventional milling machine, this machine also used to measure dimensions accuracy of the part. Results show that the forming angle (30°) is gives the higher geometrical accuracy when forming the pyramid shape.

Last modified: 2018-10-23 16:07:30