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Journal of Mechanical Science and Technology

, Volume 33, Issue 11, pp 5383–5392 | Cite as

Deep drawing of polymer coated metal sheets

  • M. Emin ErdinEmail author
  • Ozgur Ozdilli
Article
  • 10 Downloads

Abstract

In the present study, the deep drawing of polymer coated metallic sheets were experimentally investigated to reduce friction and increase manufacturing efficiency without using a lubricant. Coating of metal sheets with a polymer material before the deep drawing process provides numerous other advantages such as long service life, decorative appearance, corrosion protection, prevention of excessive abrasion. In the experiments, deep drawing ratio, blank holder pressure, and punch speed parameters were varied at various intervals and the obtained values were evaluated via graphs. Experiments of the uncoated metal sheets were conducted as well as the coated ones to compare the results. Results of this study showed that the polymer coating improved the surface quality of the test specimens. As a result of this improvement; the average molding forces decreased, obtained deep drawing ratios increased and defects such as tearing and wrinkling were alleviated by coating metal sheets with polymer material compared to uncoated sheets.

Keywords

Sheet metal forming Deep drawing DC01 steel Polymer coating Surface roughness Average molding force 

Nomenclature

D

Blank sheet diameter

Fg

Average molding force

Fbh

Blank holder force

Fdd

Deep drawing force

hmax

Maximum punch stroke

Pbh

Blank holder pressure

Ra

Arithmetic mean roughness

t

Sheet thickness

vp

Punch speed

β

Deep drawing ratio

σuts

Ultimate tensile strength

σy

Yield strength

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Notes

Acknowledgments

This research has been realized using the support of Scientific Research Projects Department, Hitit University, Turkey. This support which obtained from projects MUH19004. 17.002 and MUH19004.16.006 is gratefully acknowledged.

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Copyright information

© KSME & Springer 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringHitit UniversityCorumTurkey
  2. 2.Department of Machine and Metal TechnologyHitit UniversityCorumTurkey

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