Presentazioni e Articoli Tecnici

The press and blow (P&B) process is widely used to produce glass containers. While the P&B process has demonstrated to be capable of reducing container weight by as much as 33%, it can also induce the formation of micro-checks that weaken container strength.

This paper presents a model of the heat transfer due to the intermittent contact of glass with the plunger during several pressing cycles using COMSOL Multiphysics. The model produces the full thermal history of the plunger and shows how different plunger cooling schemes and other operating variables may affect the plunger temperature over time.