PURPOSE
Maintain liner 30ºC (50ºF) below billet temperature to reduce direct billet surface inflow onto the profile, reducing scrap from surface finish
Increase the billet/container differential towards the back end, and controlling shape, especially waving of wide thin extrusions
Reduce container and die slide effect on die temperature and resulting profile run-out, reducing scrap from shape deformation
Minimize energy usage and extend life of container mantle, liner and dummy block
FUNCTION
The container withstands extrusion pressure while billet is pushed through the extrusion die by the dummy block. The container maintains liner temperature at ±5°C of desired temperature throughout the process
BENEFITS
New high temperature plug makes installation much easier
Round versus flat bus bars save space and adds integrity
Provides uniform flow of alloy through the die
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