期刊
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
卷 215, 期 11, 页码 1519-1527出版社
PROFESSIONAL ENGINEERING PUBLISHING LTD
DOI: 10.1243/0954405011519420
关键词
rapid prototyping; aluminium part; variable polarity gas tungsten are welding
This paper presents a new deposition process for directly building cylindrical parts of the 5356 aluminium, alloy with variable polarity gas tungsten are welding (VPGTAW). The relationship between the geometric sizes of the deposited layer and the welding parameters is investigated. A machine vision sensor is used to monitor and control the are length that is a key welding parameter in the achievement of a uniform deposition. By optimizing the depositing speed and the thickness of the depositing layer, there is no need for a cooling system to cool the part. Three-dimensional parts with different wall thicknesses and different shapes are successfully obtained. The surfaces of the deposited parts are smooth and uniform.
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