Friction Studies in Sheet Metal Forming Based on a Unique Die Shoulder Force Transducer

Document Type

Article

Publication Date

1-1-1996

Abstract

A transducer developed for measuring tension in metal strip as it moves over the die shoulder was used to conduct friction studies. The portion of the transducer simulating the die shoulder is cylindric and mounts in the body on a pair of bearings. Incorporated into the design is a means to selectively lock the die shoulder. Strip tension measurements from tests with the die shoulder locked and unlocked are necessary before friction information is extracted. The transducer is used in a forming die simulator with a controlled drawbead to evaluate how drawbead penetration speed influences die shoulder friction. © 1996 CIRP.

Publication Title

CIRP Annals - Manufacturing Technology

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