Caracterización de parámetros de soldadora ultrasónica para el ensamble de cateters

Luis Eduardo Martínez Romero; Velia Herminia Castillo Pérez

doi:10.61117/ipsumtec.v5i1.107

Authors

Luis Eduardo Martínez Romero Tecnológico Nacional de México https://orcid.org/0000-0003-2895-2962
Velia Herminia Castillo Pérez Tecnológico Nacional de México https://orcid.org/0000-0003-2868-9703

DOI:

https://doi.org/10.61117/ipsumtec.v5i1.107

Keywords:

Parameters characterization, Process capability, Catheter, Ultrasonic welding, Adhesion, Flash

Abstract

The objective of this project is the installation of an ultrasonic welding machine in a new production line at the company. This research began by considering the operating parameters of an identical process that had already been characterized and validated. The ultrasonic welding process is used to join plastic parts in cardiovascular catheters. Each catheter consists of an upper and a lower part, which are placed into the machine molds. After capturing the machine's parameters, the operation is executed, resulting in a joint that meets the minimum possible flash and adhesion specifications.

The investigation began by running a batch of 90 pieces at three levels (Lower, Nominal, and Higher) to check if the new machine had the same critical parameters as the already validated machine. Based on the results from the first run, the parameters were adjusted accordingly, followed by a second run with 90 pieces using the new parameters. This second run demonstrated that the machine is capable of operating while meeting the required quality standards.

The results of this investigation were favorable, and through a capacity analysis, it was confirmed that the machine is validated and can fulfill its process satisfactorily.

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