Diseño de una máquina para ensayos de impacto en calzado de seguridad: diseño de una máquina para ensayos de impacto en calzado de seguridad.

Abstract

This project deals with the design of a machine for impact tests on safety footwear for the Stress and Vibration Analysis Laboratory (LAEV) of the Faculty of Mechanical Engineering, which meets the requirements established in the technical standards ASTM F2412-18a and NTE INEN-ISO 20344. The design begins with the collection and analysis of information that validated the realization of the project, as well as a study of existing impact testing machines on the market; that served as a reference for the design of the machine. Then, the functional analysis was developed, where the functional modules of the machine were identified according to the user's demands and the requirements established by the technical standards. Subsequently, different solution alternatives were proposed for each functional module and they are evaluated by means of the weighted residue method. Based on the selected solution alternatives, a conceptual design of the machine was developed, which consists of an impactor assembly elevation system, an impactor fastening system, and an impactor locking system. Once the conceptual design was obtained, we proceeded with the sizing and selection of the mechanical elements constituting the machine for impact tests on safety footwear, as well as the design of the control system that allowed the automation of the equipment. Based on the final design, the workshop and assembly plans were deployed for a future construction.