Sequencing spinning lines

Gravesen, J. and Noble, S. (2002) Sequencing spinning lines. European Study Group with Industry > 43rd ESGI [Lancaster 2/4/2002 - 5/4/2002].

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EPrint Type:	Study Group Report
Study Group:	European Study Group with Industry > 43rd ESGI [Lancaster 2/4/2002 - 5/4/2002]
Company Name:	Acordis Acrylic Fibres
Industrial Sector:	Materials
Additional Contributors:	Eglese, R. and Hjorth, P.G. and Howison, S.D. and Khan, S. and Leese, R.A. and Letchford, A.N. and Tewkesbury, H.
ID Code:	17
Deposited By:	Gordon White
Deposited On:	10 June 2004

Problem Statement

The Acordis acrylic fibres plant in Grimsby operates thirteen production lines, extruding four basic polymer types to make bres. There are twelve key variables which define the end product. All changes to these variables take time (some more than others) and low grade product or waste is produced during the changeover. The most common product change is in the fibre colour. It is believed that optimised production scheduling can reduce the number or duration of the changes. Production scheduling is currently carried out by one skilled person who has to consider both production issues and customer requirements. The study group was asked to develop a tool to both help the scheduler and assist the production team leaders who periodically have to re-jig the production schedule outside of day hours and at short notice.

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