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Characterising frictional behaviour in sheet metal forming

Version 2 2024-06-03, 10:58
Version 1 2017-07-21, 11:49
journal contribution
posted on 2024-06-03, 10:58 authored by JM Lanzon, MJ Cardew-Hall, Peter HodgsonPeter Hodgson
A two-level multi-variable design of experiment (DoE) approach was used to investigate the influence and interaction of lubricant type, die surface finish, contact pressure, sheet metal coating and draw speed on friction. For this DoE, the flat face friction test (FFF) and the draw bead simulator (DBS) were used to measure the coefficient of friction. The experiments were run in random order with at least three replicates. The Yates algorithm was employed to determine the significance of the main effects and their interactions. It was found that the Zincanneal coating lowers friction and reduces variation within a specific test condition. The DBS results illustrated an insensitivity of the variables investigated to the friction coefficient. However, the rough DBS die was sensitive to blank coating. The polished surface of the FFF test illustrated a similar insensitivity.

History

Journal

Journal of materials processing technology

Volume

80-81

Pagination

251-256

Location

Amsterdam, The Netherlands

ISSN

0924-0136

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

1998, Elsevier Science S.A.

Publisher

Elsevier