Abstract
In this study, the relationship between the tensile strength and the indentation depth was studied by analysing the deformation mechanism of the crimping assembly of the aviation wiring harness end. Tensile strength tests were performed on samples of crimping assemblies with different indentation depths. The results showed that the experimental and theoretical values were in good agreement, verifying the validity of the established mathematical model for tensile strength. Based on this model, a reasonable design range for the indentation depth corresponding to the specific combination of contacts and strands was determined.
Highlights
In this study, the relationship between the tensile strength and the indentation depth was studied by analysing the deformation mechanism of the crimping assembly of the aviation wiring harness end
A large number of Aviation Wiring Harnesses (AWH) crimping tools with different brands and diversified styles has emerged in the industry in recent years, most manufacturers only refer to a rough crimping specification for the design of indentation depth corresponding to different specific combinations of contacts and strands in the initial stage of product development[12]
Tensile strength tests were conducted on samples of crimping assembly with different indentation depths to obtain the relationship between the actual tensile strength and indentation depth
Summary
The relationship between the tensile strength and the indentation depth was studied by analysing the deformation mechanism of the crimping assembly of the aviation wiring harness end. The results showed that the experimental and theoretical values were in good agreement, verifying the validity of the established mathematical model for tensile strength Based on this model, a reasonable design range for the indentation depth corresponding to the specific combination of contacts and strands was determined. The research method of three-dimensional numerical simulation analysis of the crimping process between strands and contact and the mechanical strength of crimping assembly is more popular. In the process of numerical research on the tensile strength of crimping assembly, different researchers have different pre- and post-processing setting methods in the finite element analysis process, resulting in certain differences in the results This is not conducive to the formation of a unified and effective guiding reference for the design of the indentation depth. The experimental value of the tensile strength that changes with the indentation depth is compared with the theoretical value to verify the accuracy and applicability of the established mathematical model
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