Method for designing an extrusion process and die

Details Method for designing an extrusion process and die Method for designing an extrusion process and die

1999-12-21

2000-11-28

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

72271, 2641761, 36447501, 425461, B29C 4792

Patent

active

061531316

ABSTRACT:
A method for designing an extrusion process and extrusion die includes the steps of first determining the optimal extrusion process parameters and then designing an extrusion die based on those optimal parameters. The optimal extrusion process parameters are determined by identifying the geometric characteristics of the selected extrusion profile, determining the physical characteristics of the material to be extruded, determining the physical characteristics for the extrusion processor, and detrmining the extrusion process limitation chart for the selected extrusion profile, selected extrusion material, and the selected extrusion processor. After the extrusion process limitation chart has been determined, a preferred extrusion process window is determined for the extrusion process limitation chart. A series of simulations are then run to determine if the selected temperatures and speeds result in an entire extrusion process falling within the extrusion process window. If the selected criteria result in a process that extends beyond the window, new selections are made and the simulation is repeated until the process falls entirely within the extrusion process window. The criteria are then used in a feed forward set up to run the extrusion process.

REFERENCES:
patent: 4736656 (1988-04-01), Futamura
patent: 5095734 (1992-03-01), Asher
patent: 5490408 (1996-02-01), Ando et al.
patent: 5756016 (1998-05-01), Huang et al.
patent: 5974850 (1999-11-01), Huang et al.
patent: 6004489 (1999-12-01), Huang et al.

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