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Friction experiments and simulations to model the hot forging process at Henkel Scheemda

Groene, R.W. de (2015) Friction experiments and simulations to model the hot forging process at Henkel Scheemda. Master's Thesis / Essay, Industrial Engineering and Management.

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Abstract

This research had two goals, the first being to develop a Finite Element model that was able to model the frictional behaviour of the metal forming lubricants in the hot forging test. The second goal of this research was to gain more in-depth knowledge about the interaction between the variables in the hot forging test. This research was conducted at Henkel Scheemda. This research focused on metal processing lubricants, especially those used in the hot forging process. The friction coefficient and factors were derived by experimental tests using the forging press present at the Henkel Product development(PD) department. Compression tests were used to test two lubricants, with and without graphite. It was concluded that the ring compression test is very easy to perform and provides accurate insight in the lubrication behaviour of different lubricants. It was found that the main factor influencing friction for both lubricants is temperature. An increase in temperature causes an increase in friction. The lubricants showed significant differences in performance: the graphite lubricant showed excellent lubrication qualities with constant low frictional coefficients and factors, while the non-graphite lubricant showed a broader range of frictional coefficients and factors mainly affected by temperature. The designed Finite Element model of the hot forging test was validated against experimental measurements. It was concluded that it is possible to simulate the hot forging process with the coefficients of friction and friction factors obtained from the ring compression test. The simulation results tend to follow the same trend as the experimental results.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Industrial Engineering and Management
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 08:09
Last Modified: 15 Feb 2018 08:09
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/13409

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