Desenvolvimento e validação de dispositivo de parada rápida da usinagem do tipo quick stop
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Este trabalho apresenta o desenvolvimento de um novo mecanismo de parada rápida do tipo quick-stop para estudo da formação de cavacos no torneamento. Foi realizado uma revisão na literatura verificado os dispositivos já existentes e elencado os melhores aspectos de cada modelo para o desenvolvimento dessa nova concepção. Dessa forma, o modelo foi desenvolvido de maneira a facilitar sua utilização, possuindo uma rápida e rígida fixação, além de possibilitar a troca do suporte de ferramentas com uma simples adaptação, permitindo a utilização de vários modelos de insertos. O dispositivo foi fabricado e testado obtendo amostras de dois tipos de materiais diferentes com diferentes parâmetros de usinagem. Essas amostras passaram pelo processo de metalografia para avaliar se o dispositivo foi capaz de gerar amostras preservando a raiz do cavaco. Os resultados obtidos através dos testes demonstraram proximidade com os testes realizados com dispositivos quick stop já disponíveis na literatura. Dessa maneira, foi possível verificar que o dispositivo desenvolvido foi capaz de gerar amostras passíveis de estudo do processo de formação de cavaco. A fabricação, os testes e análises experimentais foram realizados no Laboratório de máquinas operatrizes do Instituto Federal de Santa Catarina Campus Jaraguá do Sul - RAU.
This work presents the development of a new quick-stop quick stop mechanism for the study of chip formation in turning. A literature review was performed on existing devices and the best aspects of each model were listed for the development of this new design. In this way, the model was developed in a way to facilitate its use, having a fast and rigid fixation, besides allowing the exchange of tool support with a simple adaptation, allowing the use of several models of inserts. The device was manufactured and tested by taking samples of two different types of materials with different machining parameters. These samples went through the metallography process to evaluate if the device was able to generate samples preserving the root of the chip. The results obtained through the tests were similar to the tests performed with quick stop devices already available in the literature. In this way, it was possible to verify that the developed device was able to generate samples capable of studying the chip formation process. The fabrication, testing and experimental analysis were carried out at the Laboratory of Teaching and Research in Machining of the Institute Federal of Santa Catarina Campus Jaraguá do Sul - RAU.
This work presents the development of a new quick-stop quick stop mechanism for the study of chip formation in turning. A literature review was performed on existing devices and the best aspects of each model were listed for the development of this new design. In this way, the model was developed in a way to facilitate its use, having a fast and rigid fixation, besides allowing the exchange of tool support with a simple adaptation, allowing the use of several models of inserts. The device was manufactured and tested by taking samples of two different types of materials with different machining parameters. These samples went through the metallography process to evaluate if the device was able to generate samples preserving the root of the chip. The results obtained through the tests were similar to the tests performed with quick stop devices already available in the literature. In this way, it was possible to verify that the developed device was able to generate samples capable of studying the chip formation process. The fabrication, testing and experimental analysis were carried out at the Laboratory of Teaching and Research in Machining of the Institute Federal of Santa Catarina Campus Jaraguá do Sul - RAU.
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DAVID, Marlon Bogorni. Desenvolvimento e validação de dispositivo de parada rápida da usinagem do tipo quick stop. 2018.Trabalho de conclusão de curso (Curso Superior de Tecnologia em Fabricação Mecânica) - Instituto Federal de Educação, Ciência e Tecnologia de Santa Catarina, Câmpus Jaraguá do Sul – Rau, 2018.
