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Butterfly Dies. Increase Extrusion Speed through Innovative Porthole Die Design. Claudio Pinter & Tommaso Pinter, ALMAX-MORI (Italy). Schedule (30’). Introduction Features & Advantages Applications Overview Qualitative Analysis Developments & New Technologies. Overview.

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butterfly dies

Butterfly Dies

Increase Extrusion Speed through Innovative Porthole Die Design

Claudio Pinter & Tommaso Pinter, ALMAX-MORI (Italy)

Best Practices Meeting - 23rd of May 2007

schedule 30
Schedule (30’)
  • Introduction
  • Features & Advantages
  • Applications Overview
  • Qualitative Analysis
  • Developments & New Technologies
overview
Overview
  • Almax & Alumat Group
  • Since 1965
  • 600 dies/month
  • Butterfly Die
  • Porthole Die
  • Introduced in Italy in the 90’s
  • Butterfly Die™
  • Applied to 35% of new projects
features
Features
  • Excellent architecture
      • Largest feedings possible;
      • Better feeding of the exteriors and concealed parts;
      • Better support against mandrel flections.
  • Results
      • More stability and less mandrel movements;
      • Less working pressure/temperature;
      • Higher extrusion speed;
      • Longer Die Life.
  • Final Goal: Higher Press Productivity
case study 3 3
Case Study (3/3)

Ram Speed: 6 mm/sec

Ram Speed: 8 mm/sec

developments 1 2
Developments (1/2)

PARTNERSHIP

Customer Request

Research & Development

developments 3 3
Developments (3/3)
  • What We Need
    • 3D design
    • Increase Lead Time
    • Supply Agreement (€)
  • 3D Finite Elements Simulation
    • to find critical points in the die design;
    • to better balance the feedings;
    • to compare different constructions.
  • Too Soon?
new technologies 1 2
New Technologies (1/2)
  • Research Program (University of Trento, Italy)
      • In-House Nitriding
      • Die Manufacturing from a Tempered Steel Bar
      • PVD Coating
      • 3D Finite Elements Simulation
  • Final Goal of the Program
      • Deliver Dies Ready for Production
      • Higher Die Life
      • Lead Time Reduction
      • Zero Trials
new technologies 2 2
New Technologies (2/2)
  • AlCrN PVD Coating
      • Deposition Temperature 450°C
      • Bearings micro hardness up to 3200 HV
      • Friction Coefficient 0.35
      • Maximum Working Temperature 1100°C
  • Applied on Ring Nuts
      • To be tested for Soft Alloys (e.g. 3003)
www almax mori it

www.almax-mori.it

Butterfly Die™