Tooling requirements for glass container production for the narrow neck press and blow process

Sarwar, Mohammed and Armitage, A. (2003) Tooling requirements for glass container production for the narrow neck press and blow process. Journal of Materials Processing Technology, 139 (1-3). pp. 160-163. ISSN 0924-0136

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Official URL: http://dx.doi.org/10.1016/S0924-0136(03)00214-0

Abstract

The narrow neck press and blow (NNPB) process was introduced to gain better control over glass distribution in the container. The improved control over glass distribution has enabled significant reduction in glass weight of up to 33% without adversely affecting the mechanical performance of the container. A key component in the above process is the plunger, used to form the cavity in the parison during the forming stage. The function of the plunger is to evenly distribute the glass within the blank mould cavity and to aid the removal of thermal energy from the internal surface of the parison. Whilst there has been considerable attention given to the requirements of the glass, e.g. viscosity, gob weight, temperature and homogeneity, there has been little attention given to the plunger material, cooling system design and the plunger operating environment. The work presented here gives an overview of some of the problems associated with the NNPB process and the research being conducted at the University of Northumbria in collaboration with a major European glass container producer.

Item Type: Article
Additional Information: Papers presented at Conference (XV, ATIV), published in Glass Journal (special issue) and international Materials Processing Technology. Led to a special meeting of Glass Container and related Tool users (PLM Redfearn). Research lead to new knowledge and innovative design of experiments to understand fluid flow in plunger tooling. Formed part of inter-connected portfolio of glass mould tooling. Research results directly relevant to glass mould tooling and glass container industries. Parallel studies led to advanced surface coating applications for plunger tooling. EPSRC/Industry funded project which had led to considerable new knowledge and evidence of Technology Transfer in the glass Industry.
Uncontrolled Keywords: Glass containers-Manufacturing processes, Glass blowing and working
Subjects: J500 Materials Technology not otherwise specified
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: EPrints Services
Date Deposited: 27 Nov 2008 14:35
Last Modified: 10 Aug 2015 11:38
URI: http://nrl.northumbria.ac.uk/id/eprint/3626

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