Experimental investigation on the effective parameters on forming force, dimensional accuracy and thickness distribution in single point incremental forming

ghasemi, hossein; Soltani, Behzad

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Modares Mechanical Engineering

Volume 14, Issue 1 (4-2014) Modares Mechanical Engineering 2014, 14(1): 89-96 | Back to browse issues page

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ghasemi H, Soltani B. Experimental investigation on the effective parameters on forming force, dimensional accuracy and thickness distribution in single point incremental forming. Modares Mechanical Engineering 2014; 14 (1) :89-96
URL: http://mme.modares.ac.ir/article-15-7051-en.html

Experimental investigation on the effective parameters on forming force, dimensional accuracy and thickness distribution in single point incremental forming

Hossein Ghasemi

, Behzad Soltani ^*

1- Kashan Univ.

Abstract: (5679 Views)

Single point incremental forming is a sheet metal forming process that has more flexibility than another methods. This process don't require to die and could formed various shape white use the simple tool and CNC machine. In this paper the influence of process parameters on the forces and dimensional accuracy and thickness distribution in single point incremental forming is investigated. These parameters include the feed rate, tool rotation, vertical step, movement strategy of tool and lubrication. Beginning with the design and construction of the fixture and clamping it on the dynamometer and create of tool (tungsten carbide), the preparation process was done on a CNC milling machine. Then, the experimental tests were carried out on Aluminum alloy sheets (Al-1200) with creation of pyramid frustum; after the measuring of force in different directions, the influence of parameters on the forming force was investigated. Also parts were measured with CMM devices and compared. The results showed that with increasing the feed rate, the vertical force decreases and with increasing tool rotation speed, horizontal force decreases. The use of lubricant, is effective on the improvement of process.

Keywords: Incremental forming, Feed, Tool Rotation, Forming force, Dimensional accuracy

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Article Type: Research Article | Subject: Manufacturing Methods|Metal Forming
Received: 2013/08/14 | Accepted: 2013/09/22 | Published: 2014/01/21

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