Effects of Process Parameters on the Thickness Uniformity in Two-Point Incremental Forming (TPIF) with a Positive Die for an Irregular Stepped Part

Autor:	Zhiguo An, Lu Ou, Men Zhengxing, Shuqiang Zhou, Zhengyuan Gao
Rok vydání:	2020
Předmět:	0209 industrial biotechnology Materials science business.product_category formability two-point incremental forming chemistry.chemical_element 02 engineering and technology Process variable process parameter lcsh:Technology Article thickness uniformity 020901 industrial engineering & automation 0203 mechanical engineering Aluminium Formability General Materials Science Point (geometry) Composite material lcsh:Microscopy lcsh:QC120-168.85 lcsh:QH201-278.5 lcsh:T Process (computing) irregular stepped part 020303 mechanical engineering & transports chemistry lcsh:TA1-2040 Head (vessel) Die (manufacturing) lcsh:Descriptive and experimental mechanics lcsh:Electrical engineering. Electronics. Nuclear engineering business lcsh:Engineering (General). Civil engineering (General) lcsh:TK1-9971 Incremental sheet forming
Zdroj:	Materials Volume 13 Issue 11 Materials, Vol 13, Iss 2634, p 2634 (2020)
ISSN:	1996-1944
Popis:	Incremental sheet forming (ISF) is a novel flexible forming technology with advantages, such as a low forming force, low-energy-consuming equipment, and good forming performance. The lack of available information about the formability of the two-point incremental forming (TPIF) process makes it limited for practical applications. Taking an irregular stepped part as the target part, the effects of process parameters on the thickness uniformity when using TPIF with a positive die for AA1060 aluminum alloy sheets were investigated. First, the set of optimal parameters regarding the diameter of the tool head, feed rate, and the step size were obtained through orthogonal experiments. Furthermore, the optimal parameter set of the number of forming passes, the direction of movement of the forming tool, and the forming angle was determined and the optimal forming result was numerically and experimentally verified. This demonstrated that the parameters affecting the thickness uniformity of the irregular stepped parts were, in descending order, the diameter of the forming tool, the feed rate, and the step size, with corresponding optimal values of 12 mm, 15,000 mm/min, and 0.4 mm, respectively. With an increase of the number of passes and a decrease of the forming angle between adjacent passes, and adopting an alternating clockwise and counterclockwise toolpath, the thickness uniformity of the formed parts was effectively improved.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cde95e5400520b87f4985c3ae2aa9ff https://pubmed.ncbi.nlm.nih.gov/32526988 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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