Experimental Study and Simulation-Based Criterion for Stamping Skid Line

Author:

Zhao Dewang,Zhang Chao,Zhao Kunmin,Xie Yanhao

Abstract

Skid lines on the outer panels of automobiles seriously affects their appearance and are a common surface manufacturing defect. In the die and process design stages, numerical simulation is needed to predict skid lines to take prevention measures. However, it is still a challenge to predict skid lines accurately. The simulation-based skid line criteria need further verification and improvement. Therefore, this paper takes a lightweight aluminum alloy AL6061-T6 sheet as its research object, uses a set of U-shaped dies to explore the influence of process parameters on skid lines, and establishes the correlation between skid lines and surface roughness based on visual and microscopic measurements. The relationships between contact pressure/inverse bending strain and surface roughness are established through simulation. Thus, a contact pressure and inverse bending strain dependent skid line criterion is constructed. The skid line criterion based on the simulation results has theoretical, guiding significance for the practice of engineering.

Funder

Anhui University Natural Science Fund project

China Postdoctoral Science Foundation

the National Natural Science Foundation of China

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Industrial and Manufacturing Engineering,Control and Optimization,Mechanical Engineering,Computer Science (miscellaneous),Control and Systems Engineering

Reference19 articles.

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4. Prediction of slip line on automobile panel based on finite element simulation;Ren;J. Plast. Eng.,2011

5. Study on the slip line of automobile panel;Xu;Die Mould. Technol.,2005

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