Ingeniería Mecánica

Permanent URI for this collectionhttp://repositorio.uta.edu.ec/handle/123456789/900

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2010 - 2019505

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Start date: 2010End date: 2019

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Now showing 1 - 10 of 505
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    Diseño y construcción de un molino de bolas planetario para el Laboratorio de Materiales de la Carrera de Ingeniería Mecánica
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Maldonado Bernabé, Christian Patricio; Amores Balseca, Edwin Gustavo; López Villacís, Gonzalo Eduardo
    This technical project was carried out due to the importance of implementing a planetary ball mill for the crushing of fine powders and at the same time obtaining steel chip spraying for the materials laboratory of the Faculty of Mechanical Engineering of the Technical University of Ambato The project is oriented in the design, construction, and functional tests that at the same time is composed of a two-phase motor, pulleys and a variable speed drive among other devices, for this, different types of mills were investigated. In the theoretical and analytical, the selection of a two-phase motor was made according to the needs of the planetary ball mill, the main elements were designed such as the structure which will support the transmission system and other components. In addition, the axes have the function of generating the planetary movement by means of pulleys. A fundamental aspect is the size, weight and noise with which the machine was designed. The main parts of the mill are: variator, motor, shafts, vessels, pulleys, timer and transmission bands, etc. The project was designed with the intention of using it for powder metallurgy applications, in which fine steel powders will be obtained in a range of 45 to 250 microns. In addition, it will facilitate research carried out by students, teachers and thus create new mechanical alloys. Finally, the machine was built with materials that are resistant to corrosion, are available in the market and have an affordable cost for their respective construction.
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    Diseño de una prótesis ergonómica para el uso de una persona con discapacidad en su extremidad inferior
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Vaca Lara, Alex Orlando; Lascano Moreta, Alejandra Marlene
    A feasibility analysis of three alternatives is carried out for the development of the prosthesis with different mechanisms, based on the weighted criteria of low cost, functionality and reliability, ease of manufacturing and assembly, technological innovation and ergonomics. It was made a measurement of the anthropometric dimensions of a sample of 360 adult male people to determine the body measurements that should be considered in the design of the prosthesis for the dimensioning of the elements. From the weighting of the criteria, it is established that cost, functionality and reliability have a greater weight. Under considerations exposed, alternative 1 was selected consisting of a prosthesis with hydraulic drive, which has three main components such as a socket, a leg with a hydraulic cylinder inside and a template that meets the function of the human foot. The materials considered are for the case of the carbon fiber socket, the PP Polypropylene leg and the POM polymer acetal template. The construction of the leg and the template is done through a molding process complemented by a finish by polishing and painting. By checking the stress resistance of Von Mises or Distortion Energy, it is determined that the maximum tension is 44.85 MPa, with a design safety factor of 3.8, which is higher than the required minimum of 2.5.
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    Diseño y construcción de un molino de bolas tipo Attritor con un sistema de refrigeración para aplicaciones de pulvimetalurgia para los laboratorios de la Carrera de Ingeniería Mecánica de la Facultad de Ingeniería Civil y Mecánica de la Universidad Técnica de Ambato
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Saquinga Chicaiza, Stalin Wladimir; Chiluiza Chicaiza, Flavio Eduardo; Peña Jordán, Francisco Agustín
    This Technical Titling Project focuses on the design, construction and operation testing of an attritor-type ball mill for obtaining powders and alloys from metal chips, acquiring information about the process of powder metallurgy, data and characteristics of the material and using, selection weights of alternatives, criteria such as design and calculation corresponding to the most relevant parts of the milling. As a basis is the analysis of the grinding parameters with the attritor mill should be recorded, such as the turning speed, contamination of the powders due to the material, temperature control and grinding time. Continuing with the selection and weighting of the operating systems in the machine being valued according to weighting criteria such as reliability, maintainability, assembly and price of each of the alternatives to subsequently be calculated valued with its reliability factor. Finally, we proceed to the construction and assemble of parts and elements of the machine being these built and others acquired. One of the most relevant the frequency inverter because it regulates the turning speed and prevents the engine from suffering damage in case of jams and then goes through the operating tests, obtaining the expected results in the mechanical grinding.
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    Diseño y construcción de un molino de bolas tipo Attritor con un sistema de refrigeración para aplicaciones de pulvimetalurgia para los laboratorios de la Carrera de Ingeniería Mecánica de la Facultad de Ingeniería Civil y Mecánica de la Universidad Técnica de Ambato
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Chiluiza Chicaiza, Flavio Eduardo; Saquinga Chicaiza, Stalin Wladimir; Peña Jordán, Francisco Agustín
    This Technical Titling Project focuses on the design, construction and operation testing of an attritor-type ball mill for obtaining powders and alloys from metal chips, acquiring information about the process of powder metallurgy, data and characteristics of the material and using, selection weights of alternatives, criteria such as design and calculation corresponding to the most relevant parts of the milling. As a basis is the analysis of the grinding parameters with the attritor mill should be recorded, such as the turning speed, contamination of the powders due to the material, temperature control and grinding time. Continuing with the selection and weighting of the operating systems in the machine being valued according to weighting criteria such as reliability, maintainability, assembly and price of each of the alternatives to subsequently be calculated valued with its reliability factor. Finally, we proceed to the construction and assemble of parts and elements of the machine being these built and others acquired. One of the most relevant the frequency inverter because it regulates the turning speed and prevents the engine from suffering damage in case of jams and then goes through the operating tests, obtaining the expected results in the mechanical grinding.
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    Diseño y construcción de una troqueladora para elaborar contrafuertes para calzado en el taller de calzado Creaciones Majo
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Maliza Zamora, Wilmer Orlando; Carrillo Rosero, Carlos Mauricio
    The present technical project is focused on the design and construction of a die cutter, which consists of a cutting mechanism that is constituted by a punch and die, electro-pneumatic system consisting of a maintenance unit, solenoid valve, pneumatic cylinder and a support structure that is the component that gives stability to the machine; in the course of fulfilling the objectives, the appropriate material for the manufacture of the cutting mechanism was selected, with the help of calculations and data obtained through tests and investigations, it was possible to choose a piston suitable for shaping the electro-pneumatic system. The support structure was built in structural steel ASTM A500 and this was designed to withstand external forces that not only involve the weight of the die cutter; During the tests of operation when using the punching machine it was possible to confirm that the reduction of time is considerable compared to the traditional process carried out by hand.
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    Diseño y construcción de una prensa y molde para compactar polvo metálico para el laboratorio de materiales de la Carrera de Ingeniería Mecánica
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Valencia Escobar, John Bryan; López Villacís, Gonzalo Eduardo
    This project aims to develop a methodology for the design and construction of hydraulic presses with powder metallurgy applications, and also allows people interested in the subject to determine the most significant design theories for this case. For this, the manufacturing process of the metal powder compacting elements was carried out, according to ASTM B 925-03, which allows the preparation and production of specimens for P / M powder metallurgical tests, and for each mechanical element of the hydraulic press, considering the design theories learned in the course of the career, put into practice in this thesis topic. For the manufacture of powder metallurgical specimens, a series of samples were made and their geometry was evaluated to determine their validity by means of a 6 ”/ 150 mm insize brand king foot calibrator that provides a minimum percentage of error as established by ASTM B 925 -03. After having performed the analysis of the dimensions of specimens obtained, it was evidenced that the dimensions of these tests were maintained within the tolerance range established by ASTM B 925-03. With this, it was possible to verify the optimal operation of the machine and that our project met the objectives established for the different test specimens.
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    Diseño y construcción de un molde de inyección de gafas de seguridad de la empresa Arakiprod Cia. Ltda
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Campaña Cortés, Fabricio Germán; Carrillo Rosero, Carlos Mauricio
    The execution is carried out with the investigation of legal regulations that authorize the design and construction of eye protectors and that is legally permitted in Ecuador, this being the official registry RTE INEN 216, which cites the standard EN 166: 2001 as reference for the design and construction of eye protectors. In accordance with the beneficiary company, a design for "glasses with lateral protection" is established and focuses on optimizing conventional designs under the concept of less, moreover, providing greater protection of the eye area proposed by the standard mentioned with a product of three elements that are assembled by adjustment and without metallic pins. The final geometry was obtained after several designs that were captured in prototypes by means of molten deposition molding (3D printing) and served as a guide to visualize constructive details. Once the 3D geometry was established, the CAD design of the matrix for injection molding was carried out, where the parameters of the injection machines were used for the design of two injection molds, injection pressure parameters, closing force, and injection capacity define the geometry of the mold and number of cavities. Each element of the injection molds was built, with a manufacturing process by chip removal that allows obtaining each mechanized element. To then be assembled piece by piece and then mounted on the injection machine, where injection tests were carried out until the desired product was obtained.
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    Diseño y desarrollo de un sistema semiautomatico de 3 ejes para la inspeccion de juntas soldadas a tope mediante ultrasonido a traves del equipo MFD 800B utilizado en el laboratorio de materiales de la Facultad de Ingenieria Civil y Mecanica
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Solís Santana, Guillermo Alfonso; Paredes Salinas, Juan Gilberto
    This project aims to realize a semiautomatic system which allows to control the movement of the MFD 800B with computer generated commands through the arduino control software in order to facilitate the use to the user, and provide greater firmness and precision in the measurements. In said system the plates to be counted must be positioned, for which calculations were made of the maximum effort that the same can support. In the programming you will find two options which were taken based on the aforementioned equipment. First we have the option for straight transducers which have a functionality to generate waves along their own axis. For the second option there are transverse transducers which generate waves at angles established by each sensor. To obtain the materials, it was decided to carry out a weighting of criteria, with which different alternatives were obtained for each part of the system; A selection was made for the materials of the base, these were decided for being transmission steel to be able to support the loads of the plates and for the joints ABS plastic was used. For parts such as the roof it was decided to use MDF because it does not support loads and have a much lower cost than commonly used covers. Then tests were performed to check the operation of the machine and it was decided to create a user manual in order to avoid inconveniences in the use of the equipment.
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    Diseño y construcción de una máquina lavadora de discos de vinilo para la estación de radio estéreo San Miguel
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Tello Tello, Edison Damian; Guanoluisa Tonato, Jessica Nataly; Valencia Vargas, Susana Elizabeth
    The This Technical Project called “Design and construction of a washing machine for vinyl records for the San Miguel Stereo Radio Station”, aims to quickly and deeply clean the grooves of the vinyl record by establishing the same washing cycle for three types of discs (12 ”, 10” and 7 ”), the operating process is carried out automatically in a time of 52 seconds, at the beginning of the process the liquid distributor arm is first activated, then the roller is activated ( hourly and counterclockwise work) and finally the suction arm, thus allowing to satisfy the needs of the person requesting the machine, imposing ideas of geometric requirements for the design of the machine and complemented with bibliographic citations,. For the development of this technical project the selection of the pump, servomotors, gear calculation, stress analysis in the highest part of contact between teeth, calculation of stress acting on the transmission shaft, selection of the bearing, with the selection of the bearing was carried out. In order to apply the best options for the selection of machine elements. The time, speed and flow were the parameters established to verify the correct operation of the cleaning process, in addition, a functionality diagram was made based on the machine's operating times according to the selection of the disc type.
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    Diseño y construcción de una máquina lavadora de discos de vinilo para la estación de radio estéreo San Miguel
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Guanoluisa Tonato, Jessica Nataly; Tello Tello, Edison Damian; Valencia Vargas, Susana Elizabeth
    The This Technical Project called “Design and construction of a washing machine for vinyl records for the San Miguel Stereo Radio Station”, aims to quickly and deeply clean the grooves of the vinyl record by establishing the same washing cycle for three types of discs (12 ”, 10” and 7 ”), the operating process is carried out automatically in a time of 52 seconds, at the beginning of the process the liquid distributor arm is first activated, then the roller is activated ( hourly and counterclockwise work) and finally the suction arm, thus allowing to satisfy the needs of the person requesting the machine, imposing ideas of geometric requirements for the design of the machine and complemented with bibliographic citations,. For the development of this technical project the selection of the pump, servomotors, gear calculation, stress analysis in the highest part of contact between teeth, calculation of stress acting on the transmission shaft, selection of the bearing, with the selection of the bearing was carried out. In order to apply the best options for the selection of machine elements. The time, speed and flow were the parameters established to verify the correct operation of the cleaning process, in addition, a functionality diagram was made based on the machine's operating times according to the selection of the disc type.