The Correlation Between Punch Forces and Wrinkling for Aluminum Sheet Metal Stamping with Adjustable Drawbeads University of Louisiana-Lafayette

Format:

Conference/Event

Author/Creator:

Emblom, William J., author.

Conference Name:

SAE World Congress & Exhibition (2007-04-16 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2007

Summary:

An experimental investigation into punch forces during a sheet metal stamping operation was performed for a sheet metal stamping die with a flexible blankholder and adjustable drawbeads. Tests were performed for various combinations of blankholder force and drawbead positions. Punch forces were measured using an instrumented punch and wrinkling in the sheet flange was measured during the forming processes using non-contact proximity sensors located near the blankholder edge. The results were correlated with those of the punch forces. Additionally, using a wrinkle criterion based upon part quality, an operating envelope for the die system was obtained and the relation between drawdepth, drawbead penetration, and blankholder forces was developed for the die system

Notes:

Vendor supplied data

Publisher Number:

2007-01-0422

Access Restriction:

Restricted for use by site license