›› 2004, Vol. 40 ›› Issue (2): 177-180.
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Huang Minchun;Gao Chenghui;Huang Luguan
Published:
Abstract: The metal plate drawing is a complex process of plastic deformation.It is extensively applied to manufacturing product of all kinds of large-scale auto overlay parts and other parts.The working principle and test method of the metal strip bend tensile tester are detailed:this tester can exactly simulate the friction field change rule of the cavity die round angle band;measures the change rule of friction factor by selecting different die surface roughness,altering the tensile force and deformation velocity of strip and the mean surface pressure of forming roll.Study the effect of die surface roughness and other factors on the friction character of the stretched plate with this tester.It is indicated that reducing die surface roughness properly is in favour of developing boundary lubrication,and reduces the generation and effect of the friction heat.The friction, wear and lubrication in drawing process are organically combined by this research technique.It provides the theoretical basis for optimizing friction conditions of machining drawn component.
Key words: Die surface roughness, Drawn component, Friction character, Strip bend tensile tester
CLC Number:
TH117
Huang Minchun;Gao Chenghui;Huang Luguan. EFFECT OF DIE SURFACE ROUGHNESS ON FRICTION CHARACTER OF PLATE DRAWN COMPONENT[J]. , 2004, 40(2): 177-180.
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