General contact force control algorithm in double-sided incremental forming

Huaqing Ren; Fuhua Li; Newell Moser; Dohyun Leem; Tiemin Li; Kornel Ehmann; Jian Cao

doi:10.1016/j.cirp.2018.04.057

General contact force control algorithm in double-sided incremental forming

Huaqing Ren, Fuhua Li, Newell Moser, Dohyun Leem, Tiemin Li, Kornel Ehmann, Jian Cao^*

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The utilization of a supporting tool in Double-Sided Incremental Forming (DSIF) imposes a stabilizing compressive stress through the sheet's thickness, increasing, thereby, the material's formability and fatigue life. However, these favorable effects strongly depend on a steady tool-metal contact condition. This work presents a general DSIF control scheme, which augments the conventional position servo-loop with explicit force feedback control. The algorithm is examined for its robustness and effectiveness using complex geometries with varying curvatures and wall angles. The resulting parts have demonstrated enhanced material formability and geometric accuracy.

Original language	English (US)
Pages (from-to)	381-384
Number of pages	4
Journal	CIRP Annals
Volume	67
Issue number	1
DOIs	https://doi.org/10.1016/j.cirp.2018.04.057
State	Published - Jan 1 2018

Funding

This work was supported by Energy Efficiency & Renewable Energy program (EERE), U.S. Department of Energy, the National Science Foundation (GRFP DGE-1324585) and American Lightweight Materials Manufacturing Innovation Institute (DOD-ONR N00014-14-2-0002 – LIFT 0007A-4 project). This work was supported by Energy Efficiency & Renewable Energy program (EERE), U.S. Department of Energy, the National Science Foundation (GRFP DGE-1324585 ) and American Lightweight Materials Manufacturing Innovation Institute ( DOD-ONR N00014-14-2-0002 – LIFT 0007A-4 project ).

Keywords

Control
Force
Incremental sheet forming

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.cirp.2018.04.057

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abstract = "The utilization of a supporting tool in Double-Sided Incremental Forming (DSIF) imposes a stabilizing compressive stress through the sheet's thickness, increasing, thereby, the material's formability and fatigue life. However, these favorable effects strongly depend on a steady tool-metal contact condition. This work presents a general DSIF control scheme, which augments the conventional position servo-loop with explicit force feedback control. The algorithm is examined for its robustness and effectiveness using complex geometries with varying curvatures and wall angles. The resulting parts have demonstrated enhanced material formability and geometric accuracy.",

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AU - Ren, Huaqing

AU - Li, Fuhua

AU - Moser, Newell

AU - Leem, Dohyun

AU - Li, Tiemin

AU - Ehmann, Kornel

AU - Cao, Jian

PY - 2018/1/1

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N2 - The utilization of a supporting tool in Double-Sided Incremental Forming (DSIF) imposes a stabilizing compressive stress through the sheet's thickness, increasing, thereby, the material's formability and fatigue life. However, these favorable effects strongly depend on a steady tool-metal contact condition. This work presents a general DSIF control scheme, which augments the conventional position servo-loop with explicit force feedback control. The algorithm is examined for its robustness and effectiveness using complex geometries with varying curvatures and wall angles. The resulting parts have demonstrated enhanced material formability and geometric accuracy.

AB - The utilization of a supporting tool in Double-Sided Incremental Forming (DSIF) imposes a stabilizing compressive stress through the sheet's thickness, increasing, thereby, the material's formability and fatigue life. However, these favorable effects strongly depend on a steady tool-metal contact condition. This work presents a general DSIF control scheme, which augments the conventional position servo-loop with explicit force feedback control. The algorithm is examined for its robustness and effectiveness using complex geometries with varying curvatures and wall angles. The resulting parts have demonstrated enhanced material formability and geometric accuracy.

KW - Control

KW - Force

KW - Incremental sheet forming

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General contact force control algorithm in double-sided incremental forming

Abstract

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Keywords

ASJC Scopus subject areas

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