Extrusion Dies Overheating Reduction Using Liquid Nitrogen Technology
Increase productivity, better quality and isothermal extrusion
MAIN ADVANTADGES OF USING N5NITROGEN
Get much more than only quality benefits
INCREASE PRODUCTIVITY
Increase productivity by 10% to over 50%
BETTER QUALITY
Better profile surface and Better mechanical characteristics
ISOTHERMAL EXTRUSION
Same quality with higher speed and Longer production runs
WHAT IS N5NITROGEN
System to extrude aluminium injecting liquid nitrogen in the die to eliminate the overheating due to deformation and friction during the extrusion process.
EXTRUSION SPEED WITH AND WITHOUT NITROGEN
Increase extrusion speed without hacing pickups and other overeating defects
CONTINUOUS RESEARCH
We are performing a research campaign to study how to reduce line forming during extrusion.
Studying the extrusion stop zone on the profile (for a billet change) with a microscope, we verified that extruding without nitrogen those areas are more dirty than using liquid nitrogen.
We are still performing some experimental analysis that are noticing how using liquid nitrogen during extrusion reduces the line forming on the profile.
SURFACE ROUGHNESS DURING BILLET CHANGE
Surface roughness during billet change
without liquid nitrogen
Surface roughness during billet change
with liquid nitrogen
SURFACE ROUGHNESS DURING THE EXTRUSION
Surface roughness during the extrusion
without liquid nitrogen – Speed 30 m/min
Surface roughness during the extrusion
with liquid nitrogen – Speed 30 m/min
CHANNELS DESIGN IS ONE OF THE KEY POINTS
Our experts will give you all the required knowledge to design the proper channels
The constant temperature and LIN pressure are achieved by the special design of the die channels.
According to the profile, the channels can be created on the backer, on the die or on the madrel.
Backer
Die Cap
Die Mandrel
PERFORMANCE GUARANTEED BY SELF-LEARNING AND AUTO PILOT
N5NITROGEN is driven by an advanced software to control the injection parameters
AUTO TUNE automatically setup nitrogen flow and profile speed for a new die
AUTO PILOT automatically open and close nitrogen flow to get isothermal extrusion
BENEFITS NOT ONLY ON HARD ALLOY
Here below is an example of real results achieved on 6060 Alloy
Alloy 6060 (secondary), Press 2200 ton
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