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Study the Effect of Multilayer Single Point Incremental Forming on Tool Path Mark for AA1050 bottom plates

Authors: A.H. Abed --- A.S. Bedan --- M.F. Noori
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2017 Volume: 35 Issue: 6 Part (A) Engineering Pages: 648-652
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

Single Point Incremental Sheet Forming (SPIF) is an innovative forming approach for sheet materials. One of the most problems in products produced by incremental sheet metal forming process is the poor textures caused by the tool and tool path marks on the products, due to friction between the tool and blank material. In this study, a new method and procedures were proposed which is called (Multilayer single point incremental forming) to overcome this problem by using an insert blank beside the original one with the same material but change in thickness of top plate at 0.5, 0.7, 0.9 mm and change material or lubrication between two plates such as (polymer, grease, grease with graphite, mos2 (Molybdenum disulfide) and without lubricant). Results revealed improvement in surface quality of bottom plates when using Grease with graphite or polymer gives a better result and reduced tool path marks more than other lubricants or material, which have been used.

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