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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2008

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Automotive body-in-white dimensional stability through pre-control application in the subassembly process

Sanches Jr L., Filho M. S., Batalha G. F.

Journal of Achievements in Materials and Manufacturing Engineering

2008

Vol. 31, nr 2

705-711

Purpose: This paper presents a case study and results of a pre-control method that allows for detecting subassemblies variations with low investments using a methodology that search an improvement in quality of automotive body in white assemblies joining processes through dimensional control. Design/methodology/approach: Its main contribution is the statement of pre-control method to manage the weld assembly process since the early step of the project implementation just up to the production phase. However the pre-control method didn't substitute any other dimensional control, the scope here was to demonstrate that such alternative method offers a reliable in control process of the dimensional changes and their repeatability, as it only complement the current methods used in the automotive industry. It is emphasized here the dimensional control as well as some process quality tools. Findings: It is showed the results and impact of a pre-control method in the weld assembly process, highlighting dimensional stability improvements and annual cost reduction through reducing rework hours and scrap parts quantity. Practical implications: The pre-control, revealed as a simplified tool application and can be used by the production operators with low investment cost and operation. Originality/value: The application the pre-control method is more efficient in subassemblies manufactured from manual process or that allows greater interaction of the production operator.